Senior Fullstack Software Engineer at Sigma Computing | New York City

Role Overview Sigma Computing builds a high-performance platform that integrates with modern data architectures. As the team grows in New York City, the company seeks a Senior Fullstack Software Engineer who enjoys solving complex technical problems and shaping features that make data accessible for a wide range of users. The engineering group values collaboration and a shared mission to improve how organizations use data. What You Will Do Work on challenging problems to deliver an interactive, high-performance analytics experience on top of modern data warehouses. Develop software using tools and languages such as Rust, Go, GraphQL, TypeScript, and Slate. Create new algorithms and techniques to improve performance and interactivity for analytics and workflow solutions, supporting some of the largest enterprises. Diagnose and resolve product or system issues by analyzing, tracking, and debugging problems. Design and implement new features to meet the needs of a growing user base. Collaborate with teams across infrastructure, design, product management, customer support, sales, and marketing to build new product capabilities.

About the Role Sigma Computing builds a high-performance platform designed for modern data architecture. As the team grows in New York City, the company is looking for engineers who enjoy solving complex problems and want to help make data accessible to everyone. The engineering group values collaboration and a focus on delivering solutions that matter across the technology stack. What You Will Do Take on challenging problems to create interactive experiences for data exploration and analysis within data warehouses. Work with technologies including Rust, Go, GraphQL, Node, and Kubernetes. Build backend distributed services, develop algorithms, and design APIs that power Sigma Computing's cloud applications. Investigate and resolve product or system issues by diagnosing root causes and debugging as needed. Design and implement new features to support a rapidly expanding user base. Participate in design and code reviews with peers and stakeholders to maintain high engineering standards and best practices.

Role Overview Sigma Computing is growing quickly, and the Technical Support Engineering team is scaling to meet the needs of a larger global user base. This team recently earned the 2024 Stevie Gold Award for Customer Service. As a Technical Support Engineer based in New York City, the work centers on helping customers solve technical, business, and data challenges using the Sigma platform. The role involves close collaboration with Product, Engineering, and Go-to-Market teams to troubleshoot complex issues, deliver solutions, and improve both the product and support experience. What You Will Do Work directly with Sigma customers and pre-sales staff to identify and resolve complex technical problems. Partner with the development team to define best practices and build tools for diagnosing issues and improving service performance. Coordinate with teams across backend, frontend, DevOps, design, product management, and marketing to support a strong user experience. Join quarterly projects, provide periodic on-call support, and take on assignments that focus on automation and process improvements.

Role Overview Sigma Computing is growing its engineering team in New York City. The Senior Fullstack Software Engineer will help shape how users explore and interact with data. This role focuses on building technology that makes data more accessible and intuitive for a broad audience. What You Will Do Work on complex problems to create interactive experiences for data warehouse users, making analysis and exploration easier. Use modern programming languages and tools, including Rust, Go, GraphQL, and Kubernetes, throughout the development process. Build infrastructure to support Sigma Computing's cloud application. Develop algorithms and techniques that improve performance and interactivity in a multi-tenant cloud environment. Design and implement new features and technologies for a rapidly expanding user base. Collaborate across backend, frontend, design, product, customer support, sales, and marketing teams to deliver a strong product.

Role Overview Sigma Computing is building the next generation of data interaction. The platform lets users explore billions of data rows in seconds, work with data in a familiar spreadsheet-like interface, and build visualizations, applications, and workflows. Sigma is now expanding these capabilities with AI to help users create, discover insights, and make decisions faster. The Senior AI/ML Engineer will join a team focused on developing the AI infrastructure that shapes Sigma’s future. Work here directly impacts how enterprises use Sigma in their daily operations. Location This position is based in New York City, NY.

About Sigma Computing Sigma Computing builds a cloud-native analytics and business intelligence platform. The product helps business users explore and share insights from cloud data warehouses, all without writing SQL. Sigma serves industry leaders and is backed by prominent investors. Role Overview The Director of Strategic Partnerships will lead and grow Sigma's collaboration with Snowflake, a key partner. This senior role shapes joint go-to-market efforts, drives co-selling, and builds revenue through the partnership. This position is based on-site in New York City and reports to the Senior Director of Partnerships. What You Will Do Set and execute the overall strategy for the Snowflake partnership, including priorities, focus areas, and go-to-market plans. Own business outcomes related to the Snowflake partnership, with responsibility for partner-attributed and partner-influenced pipeline and revenue. Design and scale co-selling programs that grow demand and deliver measurable revenue. Lead joint business planning with Snowflake: run quarterly strategy sessions, build execution plans, and coordinate executive reviews. Align Sigma sales teams with Snowflake account representatives through enablement, playbooks, and active deal support. Act as the main escalation point for Snowflake-related deal strategies, executive connections, and partner conflict resolution. Build and maintain strong relationships with Snowflake’s Partner, Sales, and Field Leadership, influencing sales activity during live deals. Drive collaboration across Sales, Marketing, Enablement, and Operations to put Snowflake partnership initiatives into practice. Work with Marketing to coordinate joint campaigns, events, and programs that support co-selling and pipeline goals. Track and analyze partnership performance metrics to refine strategy and improve results. What Sigma Is Looking For The ideal candidate brings deep credibility within the Snowflake ecosystem, thinks like a general manager, and can turn strategy into practical action. Strong stakeholder management skills are essential, from executive leaders to account teams, as well as the ability to align internal teams across Sales, Marketing, Enablement, and Partnerships.

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.

Role Overview The Strategic Commercial Account Executive at Sigma Computing holds a key position in driving the company’s growth. This role focuses on building relationships with senior stakeholders, navigating complex enterprise organizations, and securing agreements that deliver strong results for both clients and Sigma. Location and Work Environment This position is based in New York City. It is not remote, plan to work in the office four days a week alongside experienced colleagues. Sigma’s office culture values presence, collaboration, and decisive action. The environment is high-energy and rewards strong performance. What You Will Do Engage with high-level decision makers at commercial and enterprise accounts Develop and manage relationships that lead to significant business agreements Work closely with industry leaders to influence decisions and close impactful deals Contribute to Sigma’s rapid annual growth (over 80%) by driving new business Participate in local travel within New York and across the East Coast (about 25% of the time) for in-person meetings with prospects, customers, and partners What Success Looks Like Consistently closing transformative deals Building a strong network within enterprise organizations Gaining hands-on experience in sales strategy, negotiation, and relationship management Contributing to a collaborative and ambitious team culture

Join Brigit, a pioneering company dedicated to enhancing the financial well-being of everyday Americans. We design transparent, equitable, and user-friendly financial products, empowering our members to manage their finances effectively, avoid unnecessary fees, and rapidly improve their credit scores. If you value autonomy, ownership, and the opportunity to make a meaningful impact within a thriving organization, we invite you to become part of our dynamic team!At Brigit, we are making waves in the financial sector, and our achievements have not gone unnoticed:Built In's 2026 Best Midsize Companies to Work For in New York CityBuilt In's 2025 Best Places to Work For In New York CityBuilt In’s 2024 & 2025 Best Startups to Work For In the U.S.Built In’s 2023 - 2025 Best Startups to Work For In New York CityFast Company’s Most Innovative Companies of 2022Business Insider’s Most Promising Consumer Startups 2022Forbes Fintech 50 2022Position Overview:We are seeking experienced fullstack engineers to join our mission of scaling our innovative consumer finance platform to millions of users within the next year. With our success in supporting low-income Americans in achieving financial stability, now is the time to expand our reach. Our technology stack includes React and React Native for our mobile and web applications, and we are looking for individuals who are passionate about building impactful solutions.

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).

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.

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.

Join Normal Computing – Where Innovation Meets OpportunityThe Normal team is at the forefront of building foundational software and hardware solutions that propel technology forward, serving critical sectors such as the semiconductor industry and AI infrastructure. Our collaborative efforts span across major cities including New York, San Francisco, Copenhagen, Seoul, and London.Your Contribution to Our Vision:As a Software Engineer specializing in backend product engineering within Normal EDA, your primary responsibility will be developing systems and workflows that empower hardware engineers in the creation and verification of chips vital to modern AI technologies. Experience in the semiconductor or hardware sectors is advantageous but not mandatory.In this role, you will encounter complex technical challenges at the convergence of AI and product engineering. You will be tasked with designing solutions and implementing incremental improvements to deliver new features effectively. You will take ownership of APIs and schemas that are crucial for core product functionalities, collaborating closely with fellow engineers to enhance these systems.We are seeking engineers who are enthusiastic about tackling real-world challenges in intricate technical domains and creating systems that enable users to maximize their productivity. If you are driven to design reliable, high-performance systems and craft intuitive user experiences for AI-driven workflows, this position offers a unique opportunity to make a significant impact in the industry.

About the Senior Backend Software Engineer Role Sigma Computing builds a high-performance platform designed for modern data needs. The engineering team is growing in New York City, NY, and looking for experienced backend engineers who enjoy solving complex problems and improving how users interact with data. This group values practical solutions that make data more accessible for everyone. What You Will Do Tackle technical challenges that come with delivering an interactive data warehouse for exploration and analysis. Work with languages and tools including Rust, Go, GraphQL, Node, and Kubernetes to build and maintain reliable systems. Develop distributed backend services, algorithms, and APIs to support Sigma's cloud applications. Investigate and resolve product or system issues, using strong analytical and debugging skills. Design and implement new software features that support a rapidly expanding user base. Participate in design and code reviews with peers and stakeholders to maintain high technical standards.

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.

Join Kepler: AI You Can Trust and Verify.At Kepler, we understand the critical flaws that plague AI tools, where data manipulation leads to unreliable outputs. In a world where million-dollar decisions depend on precise data, we have created a groundbreaking architecture that renders these flaws obsolete. Our system ensures that AI interprets your intent while deterministic code retrieves accurate figures from source documents, guaranteeing that every output is traceable and defensible.With over 950K SEC filings, 14K+ companies, and 40M+ documents across 27 global markets, we are trusted by firms that cannot afford errors.Our architecture is versatile and domain-independent. While we are initially focused on finance, industries such as healthcare, legal, and insurance will soon benefit from our innovative verification layer for the entire AI ecosystem.Founded by industry veterans Vinoo Ganesh and Dr. John McRaven, and supported by pioneers from OpenAI and Facebook AI Research, we are at the forefront of transforming AI reliability.The RoleAs a Senior Software Engineer, you will play a critical role in architecting and building the core systems that drive Kepler's AI research platform. You will take ownership of essential infrastructure, including backend services that orchestrate AI workflows and data pipelines that manage billions of data points, impacting how financial professionals make pivotal decisions.This position is designed for engineers eager to create foundational technology at the intersection of AI and finance, where your technical leadership will have a direct influence on client decision-making.In your first 90 days, you will:Lead and deliver a major production system from conception to deploymentDrive architectural decisions that influence the platform’s future directionWitness your code powering research at leading financial institutionsGuide and mentor engineers while establishing engineering best practices

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.

THE POSITIONJoin our innovative team at FanDuel, where we have an exciting opportunity for you! As a Senior Software Engineer on our Risk Management Automation team, you will play a pivotal role within a dynamic, cross-functional agile team that drives significant business impact. Collaborating closely with your teammates, you will develop and implement high-quality, creative solutions, define project scopes and timelines, and balance the priorities of stakeholders with engineering needs. Your dedication to delivering exceptional software will ensure you take pride and ownership in the testing, deployment, monitoring, and maintenance of the products we create. At FanDuel, our engineers are responsible for every aspect of the software delivery lifecycle. You will engage directly with our risk managers to enhance our major automated risk management platforms, establishing yourself as a domain expert in automated risk implementation and its integration into the broader Risk and Trading ecosystem. Beyond traditional software development, you will be expected to proactively identify opportunities for innovation within the risk automation space, leveraging technology to drive improvements. Additional responsibilities may be assigned as necessary to ensure operational flexibility and to meet the evolving demands of our business. THE GAME PLANEveryone on our team has an essential role to play. As a significant and autonomous contributor, your work will consistently exemplify high quality. You will tackle complex challenges using appropriate technologies and best practices. Collaboratively with your team, you will design and build software that is robust and efficient. You possess proficiency in a variety of design approaches, knowing when to apply them effectively. Your solutions will be pragmatic, considering the long-term impact of the code you produce while ensuring clarity for future developers. You will strive to avoid short-term fixes, creating flexible software without unnecessary complexity. Moreover, you will make judicious trade-offs, promoting reuse where feasible, and being mindful of introducing dependencies. You will also demonstrate efficiency in resource utilization (e.g., system hardware, database, memory/CPU, etc.). We are eager to welcome engineers who are ready to engage in technical discussions, contribute to solution design and implementation, mentor junior engineers through pair programming, and drive continuous improvements across our technology landscape.

Join Bastion as a Senior Software Engineer and play a vital role in shaping innovative software solutions that drive our business forward. In this position, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software applications. Your expertise will be essential in enhancing our software systems and improving user experience.

Graphite builds tools that help modern software engineering teams deliver high-quality products efficiently. Our platform focuses on making code review smoother and faster for agile teams. About the Product Graphite offers code review solutions designed for teams that value speed and collaboration. Engineers can adopt our platform on their own, integrating it into their workflow without forcing changes on their colleagues. Inspired by internal tools like Phabricator at Facebook and Critique at Google, we aim to create products and workflows that help engineering teams move quickly and ship confidently. About Graphite We focus on improving code review and software development practices. Collaboration and craftsmanship guide both our product development and our culture. Our team values scientific thinking, disciplined ambition, and offers real ownership, including equity and meaningful responsibility. Outside the office, team members share interests like espresso, music production, and yoga. Role Overview: Senior Software Engineer As Graphite grows, we are looking for a Senior Software Engineer in New York City to help define our technical direction. This role works across the stack and leads projects that push our platform forward. The work centers on solving real challenges for engineering teams that need to move quickly and maintain quality. What You Will Do Build and improve a real-time, interactive code review platform with social features. Help set the technical strategy for the company. Mentor engineers and design frameworks that support a strong, maintainable codebase.