Fullstack Engineer At Lightning Ai New York City jobs in New York City – Browse 4,731 openings on RoboApply Jobs

Fullstack Engineer At Lightning Ai New York City jobs in New York City

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companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|New York, New York, United States

Who We AreLightning AI is the innovative force behind PyTorch Lightning. Established in 2019, we provide a comprehensive platform for the development, training, and deployment of AI systems, enabling seamless transitions from research to production.Following our merger with Voltage Park, a neocloud and AI Factory, we have combined developer-centric software with efficient, large-scale computing solutions. Our tools empower teams to experiment, train, and deploy with built-in security, observability, and control.We cater to solo researchers, startups, and established enterprises worldwide, with offices located in New York City, San Francisco, Seattle, and London. We are proud to be backed by industry leaders like Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We act swiftly and accurately, breaking down complex challenges into manageable steps.Focus: We tackle one goal at a time, working collaboratively to deliver high-quality features.Balance: We believe sustained performance stems from rest and recovery, promoting a healthy work-life balance.Craftsmanship: We strive for excellence and take pride in perfecting our craft, ensuring every detail matters.Minimal: We champion simplicity in our innovations, discarding complexities to focus on what truly matters.What We’re Looking ForWe are seeking a Fullstack Engineer to contribute to the development and scaling of the Lightning AI platform, encompassing frontend, CLI, API, billing, security, and integrations.The ideal candidate will take ownership of crucial features, driving development from conception to completion while collaborating with an exceptional team of engineers, product managers, and designers. You will transition from proofs of concept to final releases, with a strong emphasis on speed, quality, and iterative improvement.This is a chance to create groundbreaking technology that will revolutionize the machine-learning landscape!This hybrid role requires in-office attendance two days a week at our New York City office, with a competitive salary range of $120,000 to $250,000.

Mar 17, 2026
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companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|New York, New York, United States

About UsAt Lightning AI, the pioneering force behind PyTorch Lightning, we are dedicated to creating an innovative platform for developing, training, and deploying AI systems. Established in 2019, our mission is to seamlessly transition ideas from research to production, minimizing friction along the way.Our merger with Voltage Park, an advanced AI Factory, allows Lightning AI to offer cost-effective, large-scale computational resources alongside developer-friendly software. We equip teams—ranging from solo researchers to large enterprises—with the necessary tools for experimentation, training, and production inference, all while ensuring security, observability, and control.With a global presence and offices in New York City, San Francisco, Seattle, and London, we are supported by esteemed investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and precision, breaking down complex challenges into manageable tasks.Focus: By collaborating effectively, we tackle one objective at a time, ensuring high-quality feature delivery.Balance: We believe that sustained performance stems from a healthy work-life balance, allowing our team to thrive.Craftsmanship: We take pride in our work, focusing on innovation through excellence and attention to detail.Minimal: Simplicity drives our solutions, as we strive to eliminate unnecessary complexity and focus on what truly matters.What We Are Looking ForWe seek a passionate Backend Engineer to contribute to the development and scalability of the Lightning AI platform. This role encompasses working on various aspects including the frontend, CLI, API, billing, security, and integrations.As a key player, you will own significant features and lead development from concept to deployment while collaborating with a talented team of engineers, product managers, and designers. Your focus will be on speed, quality, and iterative improvement as you help shape transformative technology in the machine-learning landscape!You will be part of the Red Squad and report directly to our Director of Engineering. This is a hybrid position based in our New York City office, with an expectation of 2 days in the office per week.

Mar 17, 2026
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companyLightning AI logo
Full-time|$120K/yr - $250K/yr|Hybrid|New York, New York, United States

Who We AreLightning AI is the innovative force behind PyTorch Lightning. Established in 2019, we specialize in creating a comprehensive platform for developing, training, and deploying AI systems, aimed at seamlessly transitioning ideas from research to practical applications.Our recent merger with Voltage Park, a neocloud and AI Factory, enhances our capabilities by merging developer-centric software with cost-effective, large-scale computing solutions. Our tools empower teams to experiment, train, and implement production inferences, all while ensuring built-in security, observability, and control.We cater to individual researchers, startups, and established enterprises alike. Lightning AI operates on a global scale with offices located in New York City, San Francisco, Seattle, and London, and is supported by esteemed investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and accuracy, breaking down complex challenges into manageable tasks.Focus: We tackle one goal at a time with diligence, working collaboratively to deliver features with precision.Balance: We believe sustained performance is rooted in a healthy work-life balance, ensuring your productivity and well-being.Craftsmanship: Excellence drives our innovation, as we take pride in mastering every detail of our work.Minimal: We simplify processes through discipline, focusing on what truly matters to facilitate innovation.What We’re Looking ForWe seek a dedicated frontend engineer to enhance and scale the user interface and frontend architecture of the Lightning AI platform. You will take charge of key features, driving development from concept to completion while collaborating with a talented team of engineers, product managers, and designers. Your work will span from initial proof of concept to final release, with an emphasis on speed, quality, and iterative improvement.With over 10,000 organizations utilizing Lightning, you will have a remarkable opportunity to influence how the world builds and deploys AI in production settings.This hybrid role is based in our New York City office, with an in-office requirement of two days per week. The salary range for this role is $120,000 - $250,000.

Mar 17, 2026
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companyLightning AI logo
Full-time|$150K/yr - $195K/yr|Hybrid|New York, New York, United States

Join Our Team as a Machine Learning Solutions EngineerAt Lightning AI, we are pioneers in the field of artificial intelligence, empowering developers and organizations to seamlessly transition their AI concepts from research to production. As the creators of PyTorch Lightning, we offer a comprehensive platform that simplifies the development, training, and deployment of AI systems.Founded in 2019, Lightning AI has merged with Voltage Park, an AI Factory that emphasizes cost-efficient, large-scale computing solutions. Our platform is designed for researchers, startups, and established enterprises, providing them with essential tools for experimentation, training, and production inference, all while ensuring security and observability.Headquartered in New York City, with additional offices in San Francisco, Seattle, and London, we are backed by top-tier investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.

Feb 18, 2026
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company
Full-time|On-site|New York City

Why Join Moonshot AI?Imagine a world where websites automatically optimize themselves to enhance sales, improve conversion rates, and accelerate growth. At Moonshot AI, we are transforming this vision into reality by integrating generative AI, extensive data processing pipelines, and systematic experimentation into a self-evolving digital ecosystem.As a well-funded startup in its early stages, we have a bold vision. Joining us means becoming more than just an employee; you will play a crucial role in shaping our technical and cultural foundation. If you desire the freedom of a founder, combined with the support of top-tier investors, this is the opportunity for you.Your ContributionsIn your role as our Senior Fullstack Engineer, you will be actively engaged across the technology stack. You will design, develop, and scale systems that power our AI-driven platform, enjoying significant autonomy, rapid execution, and substantial ownership of your work.Build and architect scalable systems — from backend APIs to frontend dashboards — capable of processing millions of web events daily.Create large-scale data infrastructure that elucidates website construction, performance metrics, and optimization strategies.Train and integrate LLMs into production environments to autonomously hypothesize, generate, and validate website variants.Influence engineering culture and practices — your impact will be evident throughout our tech stack, architecture, and team processes.Engage in experimentation, prototyping, and iteration — combining research, product development, AI, and scalability in a single role.This is not about maintaining another SaaS application; it’s about constructing an AI engine that revolutionizes digital product creation.Candidate ProfileA software artisan — you produce clean, scalable code and are adept at delivering results swiftly.5+ years of full-stack development experience (Python, JavaScript, AWS preferred, but not mandatory).Proven experience in leading teams or managing significant projects.Educational background in Computer Science, Electrical Engineering, Mathematics, or equivalent practical expertise.An AI enthusiast eager to work with LLMs and influence their real-world applications.Bonus Qualifications:Experience in a startup environment (thriving in dynamic, fast-paced settings).

Jan 23, 2026
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companyLightning AI logo
Full-time|$120K/yr - $150K/yr|Hybrid|New York, New York, United States

Who We AreLightning AI is the innovative force behind PyTorch Lightning. Established in 2019, we have created a comprehensive platform that empowers developers to build, train, and deploy AI systems seamlessly, transforming research concepts into production-ready solutions with minimal friction.Following our merger with Voltage Park, a leading neocloud and AI Factory, Lightning AI brings together developer-centric software with scalable, cost-efficient computing power. Our tools are designed to support teams in experimentation, training, and production inference, all while ensuring security, observability, and control.We cater to a diverse range of clients from individual researchers and startups to large enterprises. With a global presence, our offices span New York City, San Francisco, Seattle, and London, and we are supported by esteemed investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We operate with agility, breaking down complex challenges into manageable tasks.Focus: We tackle one objective at a time with diligence, working collaboratively to deliver precise results.Balance: We believe sustained performance stems from adequate rest and recovery, prioritizing a healthy work-life balance.Craftsmanship: We strive for excellence in innovation, taking pride in our meticulous attention to detail.Minimal: Simplicity fuels our creativity as we eliminate unnecessary complexities, focusing on what truly matters.What We’re Looking ForWe invite applications for the position of Account Executive, seeking someone with a proven track record in selling highly technical, developer-focused products to key decision-makers such as CTOs, VPs of Engineering, software engineers, researchers, and data scientists. You excel in a fast-paced, startup atmosphere, managing every phase of the sales cycle from prospecting and qualifying leads to conducting demos, negotiating contracts, and closing deals. Your focus will be on identifying and addressing customer challenges to enhance acquisition while feeding insights back to inform our product roadmap.This role is part of the Sales Team and reports to our VP of Revenue. This hybrid position requires presence in our New York City office for three days each week.

Feb 3, 2026
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companyMosaic logo
Full-time|On-site|New York City

About MosaicMosaic is an innovative, AI-driven deal modeling platform tailored for private markets, utilized by top-tier investors and advisors such as Warburg Pincus, CVC, New Mountain, and Evercore. Our platform automates and standardizes essential deal analyses—including LBOs and DCFs—enabling investment teams to accelerate their processes, minimize spreadsheet errors, and focus on strategic investment decisions.At Mosaic, we merge deterministic, rules-based calculations with advanced AI capabilities to produce replicable, audit-ready outputs, trusted by private equity, private credit, and investment banking teams across multi-million dollar transactions.We are dedicated to creating the AI-driven operating system for the world’s most sophisticated investors and their advisors. As we rapidly expand, we are seeking talented professionals across engineering, product, customer enablement, and go-to-market teams.This is an exceptional opportunity for those eager to influence the convergence of high finance and technology, shaping the future of the industry for years to come.Learn more about our journey:BloombergFinancial TimesNY PostAbout the RoleAs a Fullstack Engineer at Mosaic, you will create product experiences essential for investors and bankers engaged in high-stakes deal processes. Your responsibilities will span the entire technology stack—from developing sleek, user-friendly interfaces to building robust backend services that facilitate modeling, data ingestion, collaboration, and workflow automation.This position is designed for builders who crave real ownership. You will contribute to feature development from inception to deployment, closely collaborating with product and design teams, while helping to lay the technical groundwork for a platform relied upon in mission-critical situations. You will face challenging tasks such as structured financial computations, document ingestion, compliance, permissions management, real-time collaboration, and performance optimization at scale.

Jan 20, 2026
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companyKnoetic logo
Full-time|On-site|New York City

TLDR Become a part of Knoetic, a dynamic company that has secured over $50 million from esteemed venture capitalists such as Accel and Menlo, along with contributions from hundreds of angel investors, as we unveil a groundbreaking series of AI products.Join our newly-formed, high-energy AI product team. Rather than stepping into a well-established system, you will actively contribute to building it from the ground up within this select group of AI specialists.Take ownership of features from conception to delivery as an individual contributor, delivering at an impressive pace and influencing a product utilized by thousands of executives at companies including Box, Brex, Notion, OpenAI, and Figma.We seek an AI-native engineer with a customer-focused mindset. You should be among the top 10% of users of tools such as Cursor, Claude Code, and Codex, and be passionate about crafting exceptional experiences for our clientele. Knoetic AI + Our Chief People Officer Network Our goal is to create the "Second Brain" for Chief People Officers and their HR teams. We are supported by $50 million from Accel, EQT, Menlo, and many distinguished angel investors such as Adam Grant and Shreyas Doshi.We offer a unique blend of consumer and enterprise products that serve thousands of C-level executives from firms like Box, Figma, dbt labs, Lyft, Notion, and OpenAI.Learn more about our "right brain" (CPOHQ) and our "left brain" (AI & People Analytics) here. Overview We are searching for a Fullstack Product Engineer who is eager to:Take full responsibility for features, from gaining deep insights into customer challenges to launching the feature and promoting its use and adoption.Engage across the entire technology stack (including React, TypeScript, NestJS, PostgreSQL).Deliver quickly and with high quality; you believe that speed and quality can coexist, and that both can be improved simultaneously.Collaborate directly with customers: engage in calls, troubleshoot their challenges, and iterate based on authentic feedback.Design powerful solutions that resonate with our users.

Jan 6, 2026
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companyVellum logo
Full-time|On-site|New York City

Join Our Innovative TeamAt Vellum, we are redefining the way teams across various sectors like Sales, Ops, Marketing, and Finance operate. In a world where technology has empowered engineers with tools such as Cursor, Devin, and Claude, we believe it's time for everyone to benefit from these advancements. Our platform allows users to articulate goals in simple language and swiftly generate dependable agents, making work more efficient and less tedious.Our Core ValuesAs a high-performance team in a competitive landscape, we seek exceptional builders who resonate with our values:Innovate for the FutureWe are committed to pioneering AI tools and living at the forefront of technology.We leverage AI tools extensively in our daily operations.We anticipate customer needs and build solutions proactively.We strategically prioritize speed while ensuring sustainability in our products.Communicate with IntegrityTrust is paramount in our environment.We maintain open and honest communication.Feedback is welcomed and appreciated.We honor our commitments and communicate proactively if changes arise.Aiming for SuccessWith $25M in funding from leading investors, we are poised to make a significant impact in our market.We thrive on winning and are dedicated to swift execution.Excellence in execution is our standard.We are committed to maximizing output while safeguarding against burnout.Your ProfileExperience in an early-stage startup environment.Proficient in Typescript, React, and Python.Possess a strong product mindset and a passion for building user-centric solutions.

Jan 13, 2026
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company
Full-time|On-site|New York City

Join a team of former Google engineers who have developed some of the world's most significant defensive platforms, including Safe Browsing and reCAPTCHA. We are embarking on an ambitious journey to combat a new generation of adversarial AI attacks that organizations face today.Currently operating in stealth mode, we are targeting a $5B+ market that is primed for innovation. Conventional detection strategies are lagging behind as adversaries leverage AI to create highly customized attacks that evade traditional systems.Your Mission: Design a comprehensive network of AI agents that are efficient, cost-effective, and precise, working in unison to identify and neutralize emerging threats. You will delve into real-time threat data, iteratively refining your agents in response to the evolving battlefield. These agents will function under a rapid iteration and adaptive learning orchestration layer.Challenges and OpportunitiesRapidly Changing Models: The strategies that were effective yesterday may become obsolete tomorrow.Intelligent Adversaries: We are engaged in a real-time arms race against sophisticated AI-driven attackers.No Established Playbook: We are innovating new detection methodologies as threats develop, making this a high-stakes, impactful role from day one.If you are an engineer who thrives on solving complex problems and values quick feedback, this challenge is for you.Why We Will SucceedVast Market Potential: A rapidly expanding market valued at over $5B, with slow-moving traditional competitors.Proven Track Record: Our team has previously built core technologies behind Safe Browsing (serving over 5B users) and reCAPTCHA (protecting more than 5M websites) during our tenure at Google.Third-Time Charm: This is our third endeavor in creating a category-defining security company, and we know how to scale both technology and business effectively.AI and Security Expertise: Our approach integrates AI and security from the ground up rather than as an afterthought.Elite Team: We only recruit top talent, with many team members being in the top 1% of engineers from Google.Agility: We prioritize speed and efficiency, ensuring a dynamic work environment.

Sep 10, 2025
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companyLightning AI logo
Full-time|$60K/yr - $70K/yr|On-site|New York, New York, United States

Who We AreLightning AI, the powerhouse behind PyTorch Lightning, was established in 2019 with a mission to create an all-encompassing platform for the development, training, and deployment of AI systems. Our innovative solutions are crafted to streamline the journey from research to production, minimizing friction.In partnership with Voltage Park, a neocloud and AI Factory, we combine developer-centric software with cost-effective, large-scale computing resources. Our platform equips teams—from individual researchers to large enterprises—with the essential tools for experimentation, training, and production inference, all while ensuring built-in security, observability, and control.With a global presence and offices in New York City, San Francisco, Seattle, and London, Lightning AI is proudly backed by renowned investors including Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.

Sep 3, 2025
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companyDatabricks logo
Full-time|$190.9K/yr - $253.8K/yr|On-site|New York City, New York

P-1980At Databricks, we are dedicated to empowering data teams to address some of the most challenging problems in the world—from revolutionizing transportation to accelerating medical advancements. Our mission is realized through the development and operation of the premier Data Intelligence Platform, enabling our customers to extract deep insights from data to enhance their business strategies. Founded by engineers with a strong customer focus, we eagerly embrace every opportunity to tackle technical challenges, whether it’s designing cutting-edge UI/UX for data interaction or scaling our services and infrastructure across millions of virtual machines. And we’re just getting started.As a founding engineer in our New York City Engineering office, you will join a dynamic, agile team committed to innovating and creating new products from the ground up. Our aim is to harness the capabilities of Databricks in data and AI to deliver specialized AI applications catering to both technical and business users. This role offers a unique 0-to-1 environment, merging the excitement of a startup with the robust resources of a leading tech company.Your primary challenge will be to utilize the latest UX/UI technologies to develop intuitive yet powerful interfaces for complex data and workflows. Your team will adopt a UI-first and GenAI-first strategy in product development. Potential challenges might include:Creating interfaces for GenAI agents that produce intricate workflows while ensuring human oversight through transparency and inspectability.Developing advanced visualizations, such as data pipelines, data mappings, customer journey flows, and identity graphs.Implementing features that promote product-led growth via seamless onboarding and sharing capabilities.Facilitating an interactive environment for collaborative data projects at scale, with a straightforward path to production.

Jan 30, 2026
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companyEverstar logo
Full-time|On-site|New York City

Join Us as a Founding Fullstack Engineer!Location: New York City (5 days on-site) · Competitive salary + equity + benefits.Overview: Help create the essential product for nuclear operators. Take complete ownership of features. This is a high-impact role at the forefront of innovation.Our MissionAt Everstar, we are revolutionizing the nuclear power industry by creating an intelligence layer that makes nuclear energy truly deployable—reducing regulatory workflows from months to mere days. Our platform, Gordian, is already utilized by utilities, advanced reactor companies, and hyperscalers, combining deep nuclear expertise with world-class product execution at a startup pace.We are seeking a Founding Fullstack Engineer who can transform complex engineering and regulatory workflows into seamless, production-ready software.Join the Apollo Team of Nuclear and collaborate with engineers from leading companies like Tesla, SpaceX, and Google, while learning from nuclear and national security experts with backgrounds at the Nuclear Regulatory Commission and CIA.Your RoleThis is an ownership-driven role with a focus on product development, not just a contract or feature factory.You will design and implement product features from start to finish—covering everything from database architecture to API contracts to meticulous UI design, with a ratio of 60% frontend and 40% backend work. You'll have the autonomy to make technical decisions and the responsibility to drive results.Your responsibilities will include:Creating user-centric features: transform complex regulatory workflows into elegant, user-friendly UI/UX that nuclear professionals will appreciate.Owning the technology stack: develop APIs, optimize database queries, implement front-end interactions, and troubleshoot production issues as needed.Defining product standards: you will have the opportunity to shape our approach to code quality, design systems, testing, and the overall product development life cycle.Collaborating with experts: engage with nuclear subject matter experts and AI engineers to understand intricate requirements and deliver effective solutions.Balancing speed and craftsmanship: continuously iterate on designs and features based on user feedback and evolving needs.

Dec 26, 2025
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company
Full-time|On-site|New York City

Why Join Moonshot AI?Envision a web that autonomously transforms itself to enhance sales, improve conversions, and accelerate growth.At Moonshot AI, we’re pioneering this future by integrating generative AI, extensive data processing, and innovative experimentation into a self-adaptive online ecosystem.As a well-capitalized, early-stage startup with grand ambitions, your role here transcends that of a typical employee — you’ll actively contribute to shaping the company’s technical and cultural foundation. If you've ever aspired to have the freedom of a founder while being supported by elite investors, this opportunity is for you.What You'll Create & LeadIn the position of Staff Software Engineer, you will serve as the technical cornerstone of Moonshot's evolution engine, responsible for designing scalable systems, steering engineering strategy, and mentoring your colleagues.Your work will blend hands-on expertise with high-level architectural insight, transforming visionary ideas into technical realities.You will:Innovate at the forefront of generative AI - develop systems that empower AI to autonomously reason, experiment, and implement tangible changes to the web.Architect the next generation of our experimental engine - ensuring it is scalable, observable, fault-tolerant, and capable of handling millions of daily events.Design and advance our backend infrastructure utilizing Python (Flask-RestX), serverless AWS, and various data pipelines (ClickHouse, Postgres, Kinesis, Firehose, S3).Lead technical strategy - establish our engineering principles and evolve the architecture across microservices, data ingestion, and LLM-driven systems.Mentor and uplift - enhance the skills of senior and mid-level engineers through code reviews, collaborative programming, and detailed design documentation.Collaborate across teams - partner with AI, product management, and data science to translate business objectives into robust systems.Prototype and expand boundaries - rapidly bring concepts to production while balancing experimentation with thoroughness.Enhance performance, security, and reliability as we scale towards SOC 2 certification and enterprise clientele.This role emphasizes technical leadership without the responsibilities of people management: pure design, significant leverage, and complete ownership.

Jan 23, 2026
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company
Full-time|On-site|NYC Office - 307 7th Ave

About the RoleAt Stack AI, we are committed to democratizing access to advanced AI technologies, empowering individuals and organizations to create AI-driven applications that generate substantial real-world impact. As one of our pioneering AI Strategists, you will collaborate directly with clients to conceptualize, implement, and expand AI workflows that revolutionize their business operations.In this multifaceted role, you will take on the responsibilities of a consultant, product strategist, and operations expert. Your work will involve engaging with senior executives to establish AI strategies, partnering with technical teams to deliver effective solutions, and guiding organizations through the processes of adoption and change management. Additionally, you will gather valuable customer insights to influence Stack AI’s product development, contributing to a platform utilized by hundreds of large enterprises worldwide.This position is perfect for someone who excels in navigating uncertainty, enjoys the fusion of strategic thinking and execution, and is enthusiastic about shaping the AI transformation journey for both our clients and Stack AI.Key ResponsibilitiesExecutive Engagement: Collaborate with business leaders and tech teams to identify high-impact AI opportunities and establish success metrics.End-to-End Ownership: Oversee client engagements from initial concept to final delivery, ensuring sustainable adoption and quantifiable business results.AI Strategy & Value Discovery: Uncover potential AI applications that can yield ROI, enhance efficiency, and provide a competitive edge.Customer Enablement: Equip and empower client teams to develop and refine AI workflows using Stack AI’s no-code platform.Change Management: Facilitate onboarding and adoption, ensuring that solutions are integrated into customers’ daily operations.Product Feedback Loop: Serve as the customer advocate, providing insights and patterns that shape our product roadmap.Thought Leadership: Contribute to best practices, case studies, and playbooks that enhance Stack AI’s influence across various sectors.QualificationsCustomer-Centric Mindset: Strong empathy for users, capable of bridging the gap between technical solutions and business value.Strategic Communication: Proficient in engaging both technical stakeholders and senior executives, effectively translating complex concepts.Enterprise & Startup Experience: Experience working in both large corporate environments and dynamic startup settings, adaptable to diverse organizational cultures.

Aug 30, 2025
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companyMoment logo
Full-time|$250K/yr - $325K/yr|On-site|Moment HQ

Quick OverviewPosition: AI EngineerWork Location: On-site at NYC HQ, 5 days per weekSalary Range: $250K - $325K+Equity: Competitive initial grant plus annual performance-based bonusesAbout MomentMoment is at the forefront of developing innovative trading and portfolio management technology. Our flagship product suite features high-throughput market data pipelines, automated smart order routing algorithms, real-time portfolio ledgering, position tracking, and high-cardinality portfolio optimization solutions.Founded in 2023 by a team of quantitative traders and researchers from Citadel and Jane Street, we have successfully raised over $100 million in funding from esteemed investors such as Andreessen Horowitz, Index Ventures, and Lightspeed Venture Partners. Our solutions are integral to the operations of financial institutions managing assets exceeding $8 trillion.The RoleAs an AI Engineer at Moment, you will be a pioneer in shaping the application of AI within our organization. Collaborating closely with design, product, platform, and engineering teams, you will develop innovative AI solutions from concept to implementation, defining the future of AI at Moment.Key Responsibilities:Gain in-depth understanding of our products and collaborate with teams to create valuable AI-driven automation.Assess and determine the applicability of the latest advancements in AI technologies for our needs.Design, deploy, and promote AI primitives that enhance internal processes and significantly improve user experiences.Ideal Candidate Profile:Proficient in working with AI Agents and understanding their applications.Enthusiastic about keeping pace with the rapidly evolving AI landscape and tools.A product-minded engineer eager to engage with all parts of the tech stack and leverage AI for self-service solutions.Experienced in distributed systems and their implementation.Committed to thoroughly understanding our customers' workflows.Able to thrive in a fast-paced work environment.Preferred Qualifications:Familiarity with AI development techniques and frameworks, including evaluation and observability.

Dec 16, 2025
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companyNorm Ai logo
Full-time|$190K/yr - $250K/yr|On-site|New York City

Join Norm Ai as a Forward Deployed EngineerAs a vital member of our Deployment Team, you will bridge the gap between software engineering and client solutions, working closely with enterprise clients and our executive team. Your role will involve designing and implementing innovative AI-driven compliance solutions that seamlessly integrate into existing client workflows, driving significant value and cost savings.In this position, you will lead the charge in advancing Norm’s Regulatory AI platform. By collaborating directly with client teams, you will create tailored technical solutions, forge productive long-term relationships, and engage with key decision-makers. Your contributions will ensure that Norm Ai remains at the forefront of legal and compliance technology.

Jul 15, 2025
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companySolva logo
Internship|On-site|New York City

About SolvaSolva is revolutionizing the insurance sector with advanced AI solutions, targeting a vast $8 trillion market, starting with claims processing. With significant backing of $6 million from renowned investors including First Round, Y Combinator, and SV Angel, our mission is supported by industry veterans, including notable figures like Paul Graham, who have previously invested in groundbreaking companies such as OpenAI, Google, and GitHub.Our team has extensive experience, having contributed to one of Europe’s fastest-growing InsurTech firms and establishing a licensed EU bank that manages over €1 billion annually. Now, we're poised to reshape a major global industry with innovative AI technologies.As a proud Y Combinator S25 company, Solva is recognized as one of the most rapidly expanding and well-funded startups in the field.About the RoleAs an AI Engineering Intern, you will collaborate closely with our founding team, playing a vital role in developing the AI systems that drive Solva’s operations. This hands-on position offers a unique opportunity to tackle real-world challenges in reasoning, evaluation, and model behavior, enhancing the claims decision-making process.In this fast-paced environment, you will engage in model experimentation, build evaluation tools, refine agent workflows, and work with complex insurance data. We seek a curious individual who thrives on solving technical issues and is eager to see their ideas rapidly transformed into products.This is a full-time internship, with start dates negotiable. Successful interns may transition to full-time positions.What You’ll DoContribute to AI systems focused on claims decision support and reasoning.Develop agent workflows, evaluation pipelines, retrieval logic, and prompt strategies.Experiment with LLMs, fine-tuning, retrieval-augmented generation (RAG), embeddings, and model selection.Stress-test outputs, address failures, and learn to engineer robust systems.Implement rapid iterations based on customer feedback to resolve complex challenges efficiently.Develop internal tools, dashboards, and analysis frameworks that enhance our core product.What We’re Looking ForA strong enthusiasm for working with LLMs and handling real-world data.A problem-solver who enjoys tackling complex issues and testing innovative solutions.A proactive individual willing to take ownership of projects.A comfort with dealing with messy data, ambiguity, and the iterative nature of developing AI systems.

Nov 21, 2025
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companyNorm Ai logo
Full-time|$190K/yr - $260K/yr|On-site|New York City

About Norm AiNorm Ai stands at the forefront of Legal & Compliance AI innovation, serving a prestigious clientele managing a staggering $30 trillion in assets. By transforming complex legal codes into sophisticated AI algorithms, we empower organizations to accelerate and enhance their legal and compliance workflows with utmost reliability and confidence.Our cutting-edge platform seamlessly integrates advanced AI technologies, proprietary legal reasoning systems, and expert legal and regulatory insights.Recently, we secured over $140 million in funding from renowned investors including Blackstone, Bain Capital, Vanguard, and other industry leaders, a testament to our robust growth trajectory.Norm Ai has pioneered the concept of Legal Engineering, equipping attorneys to construct and oversee domain-specific AI agents using our unique suite of no-code software tools. We've onboarded numerous lawyers from top U.S. law firms, transitioning them into Legal Engineers specializing in AI-driven legal workflows.Our technology is implemented within some of the world’s most significant institutions, and we are rapidly expanding, seeking talent across all departments.AI Fluency:At Norm Ai, fluency in AI is essential for all team members. We seek candidates who actively leverage AI for enhanced creativity, problem-solving, and efficiency in their daily tasks. Applicants should be ready to showcase their practical AI applications during the interview process, illustrating their experience with specific tools, workflows, and results.

May 22, 2025
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company
Full-time|$175K/yr - $225K/yr|On-site|New York City

Senior Full Stack EngineerAbout Fonzi AIFonzi AI is a dynamic startup fueled by substantial funding, dedicated to transforming the hiring landscape through advanced AI technologies. Having recently launched, we have already garnered the attention of thousands of exceptional engineers on our platform. Our mission is to create an AI-powered recruitment marketplace designed to seamlessly connect millions of candidates with companies, where our AI recruiters intuitively comprehend your expertise and interests to match you with ideal opportunities automatically.The RoleWe are on the lookout for a Senior Full Stack Engineer who will take ownership of projects from inception to deployment, delivering results swiftly without compromising on code excellence. This role leans towards backend development but encompasses full-stack responsibilities, as you'll contribute to building the foundational platform that drives our AI-enabled marketplace. Collaborating closely with our technical lead, you'll architect and implement features that have a tangible impact on how candidates and companies interact.This position transcends typical engineering responsibilities; you will act as a product engineer, fully aware that each line of code affects real users. You'll engage with our recruiting and marketing teams, converting business requirements into technical solutions while striking a balance between rapid delivery and scalable architecture, a hallmark of successful startups.What You'll DoLead comprehensive feature development from design through to production deploymentConstruct robust backend systems using TypeScript and Node.js, alongside creating engaging frontend experiences utilizing React and Next.jsIncorporate AI functionalities into applicationsCollaborate with AI models to expedite development while ensuring high code qualityBalance swift delivery with long-term architectural considerationsWork directly with recruiting and marketing teams to identify and address their technical challengesDeliver code rapidly while remaining mindful of long-term architectural ramificationsInfluence product direction during the formative stages of requirements—help define the 'what', not just the 'how'Articulate technical concepts effectively to non-technical stakeholdersRequired ExperienceProficient in TypeScript: This is our primary programming language, and you'll be using it dailyFull-stack development experience: Proven track record in both frontend and backend development

Sep 5, 2025

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