Staff Fullstack Engineer at Nium | San Francisco
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Experience Level
Mid to Senior
Qualifications
About Nium
Nium is a pioneering company specializing in real-time cross-border payments, providing innovative solutions that empower enterprises to navigate the complexities of global transactions. Our robust platform and extensive payout network make us a leader in the fintech space.
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Search for Fullstack Engineer Observability Evals Platform At Langsmith San Francisco
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About Us:At LangChain, we are dedicated to making intelligent agents a fundamental part of everyday technology. Our mission is to provide the essential tools for agent engineering in practical applications, enabling developers to transition seamlessly from initial prototypes to production-ready AI agents that organizations can depend on. Starting as a suite of widely adopted open-source tools, we have expanded to offer a comprehensive platform for building, evaluating, deploying, and managing AI agents at scale.Currently, our platforms, including LangChain, LangGraph, LangSmith, and Agent Builder, are trusted by teams developing real AI solutions in both startups and established enterprises. Our technology powers AI initiatives for renowned companies such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.With $125M raised in Series B funding from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are at an exciting juncture where we continue to innovate, grow rapidly, and every team member can make a significant impact on our products and collaboration. Join us at LangChain, where your contributions can reshape the technology landscape.About the Role:In-person, 5 days a week in San FranciscoWe are seeking a Fullstack Engineer to join our LangSmith product team, focusing on our commercial AI observability and evaluation platform. In this position, you will have the opportunity to develop new features and capabilities for our platform while collaborating closely with enterprise clients, developer end-users, and internal stakeholders.Your Responsibilities:Design and implement critical product features utilizing our Go, Python, and TypeScript stackWork in close partnership with product and design teams to refine features and enhance the product roadmapDrive project timelines effectively while maintaining high engineering standards through clean, maintainable, and well-tested codeTo Succeed in This Role:2+ years of experience in software engineering, particularly with complex platform productsFullstack engineering experience with Go or Python on the backend and React + TypeScript on the frontendStrong understanding of database systems, especially Postgres and RedisExperience in designing and scaling APIs, ideally in high-performance environments
About Us:At LangChain, we strive to make intelligent agents an integral part of everyday technology. Our mission revolves around building a robust foundation for agent engineering, enabling developers to transition from prototypes to production-ready AI agents that teams can depend on. Initially starting as a suite of widely adopted open-source tools, we have expanded to offer a comprehensive platform for building, evaluating, deploying, and operating agents at scale.Today, our products including LangChain, LangGraph, LangSmith, and Agent Builder are instrumental for teams delivering real AI solutions across both startups and large enterprises. Millions of developers trust LangChain to empower AI teams at renowned companies such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.With a successful $125M raised in Series B funding from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are at an exciting stage of growth, continuously developing innovative products where every team member's contributions significantly shape our technology and collaborative efforts.About the Role:We are in search of a Product Manager to take ownership of critical components of LangSmith. The evolution of AI products is transforming software development processes; LangSmith serves as the observability, evaluation, and deployment platform that facilitates the creation of reliable AI systems.This position operates at the crossroads of user experience and production infrastructure. You will collaborate with engineers to develop features that are intuitive while also addressing complex technical challenges: managing versioning for intricate prompt chains, troubleshooting multi-step agent failures, or creating scalable evaluation systems for test cases ranging from 10 to 10,000.Engaging directly with customers — from early-stage startups launching their first agent to enterprises managing mission-critical AI systems — you will gain insights into where the platform needs enhancement and what new capabilities can facilitate innovative workflows.Lead the roadmap for a fundamental aspect of the LangSmith platform.Collaborate with customers to identify their challenges and outline new product features.Partner with engineering to establish project scope, navigate technical trade-offs, and deliver impactful features swiftly.Contribute to shaping product strategy alongside our founders and leadership team.
About Us:LangChain is dedicated to making intelligent agents commonplace. We are pioneering the foundations of agent engineering in the real world, empowering developers to transition from prototypes to production-ready AI agents that teams can depend on. Initially known for our widely embraced open-source tools, we have expanded to provide a comprehensive platform for constructing, assessing, deploying, and managing agents at scale.Our products, including LangChain, LangGraph, LangSmith, and Agent Builder, are utilized by teams delivering genuine AI solutions in both startup environments and large corporations. Millions of developers trust our technology to elevate AI initiatives at organizations such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.With $125M raised in our Series B funding from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for continued product development and accelerating growth, where each team member plays a significant role in shaping our technology and collaborative culture.About the Role:On-site 5 days a week in San FranciscoWe are seeking a Senior Fullstack Engineer for our commercial product, LangSmith, which serves as an observability and evaluation platform. In this role, you will have the chance to influence the technical direction of our platform while engaging with enterprise clients, developer end-users, and internal stakeholders.Lead the technical architecture and implementation of essential product features for LangSmith, utilizing our entire stack of Go, Python, and TypeScript.Work closely with product and design teams to iterate and refine new features.Mentor and support junior team members, driving ambitious project timelines while upholding high engineering standards.Set an example by producing clean, maintainable, and thoroughly tested code.
About the RoleAs a pivotal technical founder, you will be responsible for crafting the entire product interface of Known. This includes developing an engaging mobile application, establishing backend systems for seamless matching and communication, and implementing API integrations that simplify the dating experience. You will create features that combine stunning user interfaces, intelligent data workflows, and third-party services to deliver a truly enchanting consumer experience.You will collaborate closely with the founding team, which includes experts in AI/ML, product development, and design, to transform innovative product concepts into functional code. This high-ownership position allows you to design systems, make significant technical choices, and directly influence how millions of users interact with Known.ResponsibilitiesDevelop and launch mobile applications using React Native that are fast, enjoyable, and user-friendly, covering everything from onboarding processes to real-time messaging and match exploration.Create and uphold backend services utilizing Node.js/TypeScript, including RESTful APIs, WebSocket connections for real-time chatting, and WebRTC integrations for audio and video functionalities.Integrate third-party solutions such as OpenAI/Anthropic LLMs, Apple/Google Pay, reservation systems, and SMS/push notifications to provide seamless, automated interactions.Collaborate with AI/ML engineers to present model outputs—like compatibility scores, tailored recommendations, and conversational agents—through intuitive user interfaces and efficient APIs.Manage infrastructure and deployments on contemporary cloud platforms, ensuring reliability, security, and scalability as the user base expands.Implement analytics and monitoring to evaluate user engagement, conversion pathways, and overall product health in real-time.Requirements3–5 years of experience in building production-level fullstack or mobile applications, preferably within consumer products or startup environments.Proficient in TypeScript, React, React Native, and Node.js.Demonstrated experience in designing and optimizing RESTful APIs with a focus on performance, security, and maintainability.Solid understanding of Postgres—comfortable with data modeling, query optimization, indexing, and database performance.Familiarity with cloud platforms (AWS, GCP, Vercel) for hosting and deployment.
Position OverviewJoin Onyx, a leading open-source project with a vibrant community of over 300,000 users, contributing to a platform that has garnered more than 13,000 stars on GitHub. As a Fullstack Engineer, you will have the chance to make a significant impact in a project that has the potential to reach millions globally. Your ContributionAs one of the early team members, you will be instrumental in defining our core product. Help us establish Onyx as the premier “GenAI for work” application worldwide. This role is based in our San Francisco office.Your responsibilities will include:Designing a user-friendly interface for our GenAI Chat, Enterprise Search, Agents, and Admin features.Enhancing backend functionalities and APIs to support our growing needs.Refining the search pipeline for better flexibility and quality, developing a semantic understanding of customer organizations, and improving permission and access controls.Implementing cutting-edge NLP techniques, such as LLM-based Knowledge Graphs and StructRAG, to broaden the system’s question-answering capabilities (AI/deep learning experience is not mandatory).Taking ownership of the entire development lifecycle of new features, from ideation to deployment.Collaborating closely with founders and the team to influence product direction and contribute to our engineering strategy. Success Factors1-5 years of practical software engineering experience in developing real-world applications.Proficiency in Typescript, React, NextJS, Python, and relational databases (Postgres).A passion for working in a dynamic startup environment with minimal processes.Strong communication skills and the ability to work collaboratively with both teammates and external stakeholders.⭐ Additional AdvantagesFamiliarity with Docker, Kubernetes, cloud platforms (AWS, GCP, Azure), and both on-premise and cloud deployments.An interest or experience in AI technologies (NLP, Deep Learning, GenAI) and information retrieval.Background as a founder or early engineer at a seed or series-A startup.
Role OverviewJoin OpenEvidence as a Fullstack Software Engineer, where you will take ideas from concept to execution, driven by the desire to create impactful solutions that will be utilized and appreciated by millions of discerning users globally.We seek exceptional builders who thrive beyond traditional boundaries. Our engineers engage across diverse products and projects, taking full ownership of their work to maximize impact.About OpenEvidenceOpenEvidence is the leading medical AI platform, recognized globally. In just over a year, we’ve achieved over 40% adoption among US clinicians, driven by product excellence and word-of-mouth referrals. With a valuation of $12 billion and a 30-member engineering team composed of talent from MIT, Harvard, and Stanford, we believe that transformative products stem from a small, dedicated group of autonomous builders who are empowered to take ownership and act swiftly. As we expand our team, we are poised to establish the standard platform for medical AI.If you are a top-tier engineer or scientist eager to shape the forefront of technology and deliver tangible outcomes that can positively influence hundreds of millions of lives, we want to connect with you.Our CultureWe believe in engaging at a world-class level. The journey from 0 to 1 and from 1 to 1000 is akin to a professional sport, where unwavering excellence is our benchmark. We understand that pioneering technologies require complete ownership. Significant achievements occur when individuals commit to making them happen.Who You AreIf your goal is simply to complete tasks from 9 to 5, this position is not for you. If you prefer academic writing, this role isn’t for you either. However, if you are ready to dive in, embrace challenges, and create something from scratch that has a direct impact on countless lives and drives substantial revenue, then you may be the right fit.The ideal candidate is a talented builder—intelligent, ambitious, resourceful, self-directed, meticulous, driven, and humble. Sound rare? It is, which is why we have only found 30 like-minded individuals, and we're eager to discover more.Work EnvironmentAll full-time engineering roles require in-person attendance five days a week in San Francisco or Miami.
Scribd Inc.
About Scribd:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity and foster knowledge sharing. Join our innovative team as we craft a world enriched with stories and insights, democratizing the exchange of ideas through our diverse products: Everand, Scribd, Slideshare, and Fable.This job opening represents a confirmed, active position within our organization.We cultivate a culture where authenticity and boldness thrive; where we engage in meaningful debates and embrace unexpected challenges. Every team member is empowered to take initiative as we prioritize our customers' needs.Our workplace philosophy emphasizes a balance between individual flexibility and community engagement. With our Scribd Flex benefit, employees can collaborate with their managers to choose a work style that suits their personal needs. Key to Scribd Flex is our commitment to intentional in-person interactions, which are vital for fostering collaboration, culture, and connections. Thus, occasional in-person attendance is expected from all Scribd employees, regardless of their remote work location.What do we seek in our new team members? We value “GRIT”—the combination of passion and perseverance toward achieving long-term goals. At Scribd, we recognize the potential this mindset unlocks and encourage our employees to embody a GRIT-ty approach in their work. This means setting and achieving Goals, delivering Results in their responsibilities, contributing Innovative solutions, and positively influencing our broader Team through collaboration and a constructive attitude.Join Our Growth Platform TeamThe Growth Platform team at Scribd empowers marketers, lifecycle teams, and partner channels by providing MarTech solutions that enhance efficiency, enable data-driven decisions, and support scalable user acquisition across our brands: Scribd, Everand, SlideShare, and Fable.Our focus is on building and maintaining robust systems that facilitate campaign execution, optimize landing pages, manage tracking and attribution, and integrate with third-party tools for cross-channel marketing and analytics. We prioritize scalability, performance, and reliability, ensuring our partners have the necessary tools to drive user growth. Our team values collaboration, pragmatic solutions, and a commitment to continuous improvement.
Join Crusoe as a Senior Software Engineer specializing in Observability, where you will play a pivotal role in enhancing our systems and ensuring robust performance across our platforms. You will collaborate with cross-functional teams to develop innovative solutions that improve the visibility and reliability of our software applications.
About UsAt doss, we are pioneering the future of operational efficiency with our innovative platform, often referred to as the “Terraform for operators.” We are developing an AI-driven schema layer that powers a customizable data warehouse, enabling physical-goods companies to rapidly adapt their record systems in alignment with the evolving pace of their business operations.Imagine leveraging AI foundation models for seamless schema migrations, achieving real-time observability across operational and financial data, managing complex git versioning for schema and data changes, and creating workflows that are as flexible as infrastructure code.Your RoleCollaborate closely with design teams and fellow engineers to rapidly develop intuitive and lightning-fast web experiences.Play a crucial role in shaping the technical roadmap by prioritizing features that enhance customer-facing experiences.Develop adaptable infrastructure and components that can scale in a composable software environment, similar to tools like Retool, Airtable, Zapier, and Figma.Design a versatile entity-attribute-value (EAV) data model and schema-as-code platform that supports customer instances while ensuring transactional integrity.Your SkillsAbility to initiate and execute projects in ambiguous environments, transitioning from zero to one.Proficient in Typescript, React, NextJS, and Tailwind CSS.Familiarity with GraphQL, Postgres, ORMs, and Node (Express).Comfortable utilizing internal APIs to construct complex front-end interfaces and components.Knowledge of various databases including Postgres, Elasticsearch, DuckDB, and Memgraph.Who You AreTeam Player: You foster positivity, openness, and curiosity within the team.Growth Mindset: You view every challenge as an opportunity to learn and enhance yourself, your team, and the organization.Craftsmanship: You take pride in delivering high-quality work.Customer-Centric: You prioritize the customer experience and aim to create delightful products.Pragmatic: You make informed decisions based on circumstances rather than strict theories.Low Ego: You thrive in collaborative settings where team support is paramount.
Calling All Ambitious Fullstack Engineers!At Silver.dev, we are on the lookout for talented fullstack engineers who aspire to relocate to San Francisco. Our clients are ready to sponsor immigration visas, including O1, J1, and potentially L1 visas, tailored to the unique skills and profiles of exceptional candidates.This journey is not for the faint of heart. It demands resilience, unwavering dedication, and the ability to outperform local talent in quality and innovation. Only the most skilled and determined individuals will succeed in this competitive environment.If you believe you have what it takes, we invite you to join Silver.dev and showcase your expertise.
Fullstack Software EngineerLocation: San Francisco (Hybrid - In-person 2-3 days per week)Compensation: $140,000 – $190,000 + Meaningful EquityAbout HomeVisionHomeVision is at the forefront of revolutionizing the $13 trillion mortgage industry with our cutting-edge AI-driven software. Our platform, MIRA, streamlines the manual review process of mortgage documents, allowing lenders to expedite loan closures with greater ease, ultimately benefiting borrowers by saving them time, money, and reducing stress. We have successfully transformed appraisal operations for leading lenders across the country, achieving a reduction in review times by over 75%. Our ambitious goal is to expand MIRA's capabilities to cover the entire loan file, automating income, asset, and credit analysis, to create a comprehensive underwriting solution for the industry.At HomeVision, we seek out intelligent, inquisitive, and thoughtful individuals who relish tackling complex challenges and embracing significant responsibilities. Our engineers manage substantial projects from inception to launch, working closely with product, design, and go-to-market teams. We prioritize humility, ownership, transparent communication, and mutual respect. Our ethos revolves around fostering a collaborative environment where we always strive to “do the loving thing” in our interactions with one another and our clients and partners.About the RoleWe are on the lookout for a Fullstack Engineer to integrate into our core product team in San Francisco. In this role, you will collaborate directly with our founders, designers, and machine learning engineers to construct the interfaces and infrastructure that drive MIRA. This is not a role focused on maintaining legacy code; instead, you will be responsible for architecting new features that facilitate understanding and action on complex AI-driven decisions by real users.What You Will DoShip Product End-to-End: Take ownership of features from database schema to user interface components. You'll create the interfaces that underwriters utilize to engage with our AI, rendering complex data intuitive and actionable.Architect for Scale: Design and implement robust solutions using Go and PostgreSQL to manage intricate loan file data, ensuring high availability and minimal latency as we scale to millions of documents.Bridge the AI Gap: Collaborate closely with our ML team to integrate AI services into our core SaaS platform, ensuring seamless transitions between our decisioning models and the user application.Elevate Engineering Culture: Foster continuous improvement by advocating for code reviews, crafting clean design documentation, and enhancing observability (metrics/logging) to maintain high velocity and stability in our production environment.
About KreaAt Krea, we are revolutionizing the world of creativity through next-generation AI tools designed specifically for creatives. Our mission is to empower artistic expression by making AI intuitive and manageable, ensuring it enhances rather than replaces human creativity.We envision AI as a versatile medium that enables self-expression across diverse formats including text, images, video, sound, and even 3D. At Krea, we are dedicated to developing smarter tools that harness this exciting medium effectively.Your Role:Develop and sustain APIs and user interface flows for web and mobile applications using Svelte/SvelteKit and TypeScript.Create engaging and responsive front-end experiences, including drag-and-drop functionality, real-time canvas interactions, and seamless UI animations.Enhance front-end performance by minimizing render latency, utilizing virtual DOM techniques for profiling, and ensuring smooth WebSocket image streams.Design and maintain backend services using Node.js, along with database models incorporating Postgres and Redis caching strategies.Initiate a Public API project aimed at making Krea's AI models accessible to millions of developers.Troubleshoot HTTP/3 and WebSocket issues from both client and server perspectives.Drive real-time image and video generation pipelines with low-latency APIs.Improve system observability and alerting using OpenTelemetry tools.Implement enterprise-level features such as Audit Logs, SAML/SSO, and SCIM provisioning.Bonus: Scale our infrastructure architecture by leveraging your deep understanding of AWS EKS GPU clusters or Kubernetes operators.
Join OneCrew as a passionate and skilled Fullstack Software Engineer. In this dynamic role, you will collaborate closely with our co-founders and engineering team to shape and enhance our product and platform as we expand our customer base.Location: This position is located in San Francisco, with an expectation of in-office work at our FiDi office for at least 3 days a week.Your RoleYour main focus will be to create dependable, high-performance systems and features that empower paving contractors to run their businesses with efficiency and confidence.Design, develop, and deploy innovative products and features—including AI-driven automation—that transform how contractors estimate jobs, manage teams, and monitor profitability in real-time.Implement AI-enhanced functionalities that redefine industry standards, offering intelligent estimating, predictive crew optimization, and automated insights that facilitate quicker decision-making for contractors.Take charge of system reliability and performance, ensuring our platform is secure, observable, automated, and scalable to support our growth.Collaborate across engineering, product, and design teams to turn innovative ideas into elegant, user-friendly solutions.Continuously improve our technical standards and processes—from testing and deployment to documentation and code reviews—to enhance our development workflow.Foster a culture of craftsmanship and teamwork, contributing to the growth and learning of our team.Your ProfileYou are a high achiever who sets and maintains rigorous standards for yourself and your peers.You excel in collaborative problem-solving, adept at managing multiple priorities.You pursue simplicity and elegance in your solutions, knowing when to invest time and when to prioritize agility.You balance hands-on involvement with empowering your team to succeed.Qualifications3-6+ years of software engineering experience in a fast-paced environment.Familiarity with the NodeJS, React, AWS, and PostgreSQL tech stack is a plus.Authorization to work in the US is required.What We ProvideA collaborative and innovative work environment.
About SentryAt Sentry, we are committed to transforming the way developers build software. With a mission to eradicate poor software experiences, we empower developers to create better applications more efficiently, ensuring a seamless encounter with technology.Backed by over $217 million in funding and trusted by more than 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, we are at the forefront of performance monitoring and error tracking solutions. Our innovative tools enable companies to focus on product development rather than bug fixes.We embrace a hybrid work environment across our global offices, designating Mondays, Tuesdays, and Thursdays as in-office collaboration days to foster meaningful team interactions. If you are passionate about creating solutions that enhance the digital experience, join us in developing the next wave of software monitoring tools.About the RoleAs a Senior Software Engineer on Sentry’s AI/ML team, you will play a pivotal role in constructing the evaluation infrastructure that assesses the accuracy, reliability, and performance of our AI systems in real-world scenarios. This position is essential for ensuring that our debugging agents and AI-driven features operate correctly, safely, and predictably as they scale. You will design datasets, benchmarks, and test harnesses that convert vague AI behavior into quantifiable metrics, enabling the team to deploy AI solutions with confidence.In This Role You WillDevelop and implement robust evaluation frameworks to assess accuracy, reliability, regressions, and edge cases within AI systems.Generate and manage high-quality datasets, golden test cases, and benchmarks based on real production data.Create automated test harnesses and metrics pipelines to continuously evaluate models, prompts, and workflows.Collaborate closely with applied AI engineers and product leaders to establish clear definitions of success and translate them into measurable criteria.Oversee the evaluation lifecycle for significant AI projects, from initial experimentation to ongoing production monitoring.You'll Love This Job If YouHave a strong commitment to accuracy, rigor, and measurement in AI systems.Enjoy transforming ambiguous product objectives and model behaviors into precise tests and metrics.Take pleasure in building foundational infrastructure that facilitates rapid iteration and boosts team confidence.Thrive in collaborative environments and relish the opportunity to influence model design through effective evaluation.
About DEUNA DEUNA is an innovative and fast-growing startup that is transforming global commerce with our cutting-edge AI-driven orchestration and payments platform, ATHIA. This powerful tool is designed to assist large enterprises in enhancing approval rates, minimizing costs, and discovering new revenue streams. Created by the talented team behind DEUNA—the fastest-growing Commerce OS in Latin America—ATHIA seamlessly integrates payment intelligence, checkout optimization, and data orchestration into one cohesive solution.With extensive integrations across more than 300 PSPs and alternative payment methods, and with over 20% of Mexico’s digital economy flowing through our platform, we simplify global payments through a single integration and centralized reconciliation process.As we rapidly expand into the U.S. market to address the pressing needs of large retailers, marketplaces, airlines, and quick-service restaurants (QSRs), we invite you to join us in shaping the future of payments! Visit https://www.deuna.com/ to learn more about us!
About NiumNium is at the forefront of global infrastructure for real-time cross-border payments. Our mission is to shape the future of payments by providing the infrastructure needed for instantaneous money transfers across the globe. Our platform empowers banks, Fintechs, and global enterprises to move money effortlessly, anywhere.With dual headquarters in San Francisco and Singapore and a presence in 14 markets worldwide, we are embarking on a thrilling phase of growth. In July 2025, we achieved record revenue and transaction volumes, marking our largest month in a decade. Nium currently manages nearly $50 billion in payments annually, primarily for enterprise clients, while maintaining a robust financial position.Now is an exciting time to join our team as we continue to innovate and expand.Our payout network spans over 190 countries and 100 currencies, facilitating real-time transfers to accounts, wallets, and cards. We support local collections in 35 markets and have a card issuance business active in 34 countries. With regulatory licenses in more than 40 markets, we simplify the onboarding process for our partners, enabling them to scale globally. Our commitment to growth and innovation has earned us accolades as one of CNBC’s World’s Top Fintech Companies 2025, along with several awards for our cross-border payment solutions.In 2024, we secured $50 million in Series E funding, achieving a valuation of $1.4 billion to further enhance our network and product offerings. With the B2B payments market expected to reach $175 trillion by 2030, Nium presents ambitious builders with the opportunity to redefine the landscape of global money movement.
About HyperspellHyperspell is revolutionizing the Memory & Context Layer for AI Agents.AI agents are brilliant yet lack context.While AI agents excel in standardized testing, they struggle with real-world applications. Today's cutting-edge agents lack the contextual understanding that humans naturally acquire through diverse interactions. This context evolves with their tasks.Hyperspell empowers AI agents with contextual awareness by integrating with users' workspace data, creating a tailored memory and context layer.Our ValuesWe are committed to shaping the future through bold innovations. Our goal is to establish ourselves as the indispensable context layer for organizations, enabling all their AI agents to connect seamlessly. We embark on this journey not because it is easy, but because it is significant.We prioritize care — for our customers, their success, the future of AI, and most importantly, for one another. As we build the frontier of AI, we strive to be one of the most technologically advanced yet profoundly human companies in history — a place where we can enjoy shaping the future together.Our InvestorsOur vision is supported by esteemed investors such as Y Combinator, Afore Capital, Scribble Ventures, and Pioneer Fund. Our angel investors include leading figures from OpenAI, Anthropic, xAI, and DeepMind, alongside respected founders from Silicon Valley like Siqi Chen (Runway) and Julian Weisser (On Deck).Our FoundersFounded in 2024 by Conor Brennan-Burke and Manu Ebert, Hyperspell is driven by experienced leaders. Conor previously spearheaded growth at Checkr, overseeing a $30 million API product portfolio and earning the title of 'the most helpful founder in YC'.Manu brings over 15 years of expertise in machine learning and AI, having successfully sold two companies and led high-growth engineering teams at Airbnb. Interestingly, he acquired his first .ai domain in 2014, needing to send a fax to the domain authority in Anguilla to do so.About the RoleAs our founding platform engineer, your mission will be to construct the infrastructure that makes Hyperspell feel magical — swift, dependable, and effortlessly scalable. You will be responsible for the foundation upon which our entire product is built, ensuring that when customers entrust us with their data, we uphold their trust.
All In Bits, Inc.
About the RoleJoin our dynamic team at allinbits as a Platform Engineer, where your expertise will be vital in designing and maintaining the robust infrastructure that supports our cutting-edge projects. Your role will combine technical acumen with strategic insight, ensuring our development and operational environments are finely tuned for optimal performance, reliability, and scalability.We prioritize experience in our team, especially if you have transitioned from a developer role into DevOps or Site Reliability Engineering (SRE). Your capacity to innovate and construct resilient systems will prove invaluable.In this position, you will utilize tools such as Ansible, Docker, and Hashicorp Nomad to enhance our operations.
Join Sciforium, a pioneering AI infrastructure company, as we develop state-of-the-art multimodal AI models along with our proprietary, high-efficiency serving platform. With substantial multi-million-dollar funding and direct support from AMD engineers, our dynamic team is rapidly expanding to build the complete stack that powers cutting-edge AI models and real-time applications.About the RoleThis exciting position invites you to contribute to the essential systems that drive Sciforium’s multimodal AI models. You will play a vital role in constructing the model serving platform, utilizing C++, Python, runtime execution, and distributed infrastructure to establish a fast and reliable engine for real-time AI applications.This role offers hands-on experience in performance engineering, providing insight into how large AI models are optimized and deployed at scale. You will work in close collaboration with ML researchers and seasoned systems engineers. If you are passionate about creating exceptional Developer Experiences, are committed to performance excellence, and seek exposure to the entire AI stack, this position promises impactful work and significant growth opportunities.Your ResponsibilitiesInteractive AI Chat Interface: Design and implement a low-latency, chat-like interface for users to explore our LLMs.Developer Console: Develop the essential UI enabling users to generate API Keys, set budget limits, and visualize real-time usage graphs.Payments & Billing: Integrate Stripe or a similar service to manage complex subscription models.Documentation Portal: Create a dynamic API reference section for users.CLI/SDK Integration: Develop user-friendly client-side wrappers to facilitate seamless connections to our API endpoints.Backend APIs: Construct secure API gateways and implement low-latency streaming solutions.Ideal Candidate ProfileBachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience).3+ years of software engineering experience, focusing on front-end development.Strong proficiency in Typescript and Python.Familiarity with responsive design and UX fundamentals.Excellent collaboration and communication skills, with the ability to work effectively across engineering and ML teams.
About UsLightning AI is the driving force behind PyTorch Lightning, established in 2019. We are dedicated to creating an all-inclusive platform for developing, training, and deploying AI systems, aimed at facilitating the transition from research to production seamlessly.Our merger with Voltage Park, an innovative neocloud and AI Factory, allows Lightning AI to deliver developer-centric software alongside cost-effective, large-scale computational resources. We provide teams with the essential tools for experimentation, training, and production inference, all while ensuring security, observability, and control are inherently integrated.We cater to individual researchers, startups, and large enterprises alike. With a global footprint, Lightning AI has offices in New York City, San Francisco, Seattle, and London, and is proudly supported by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our Core ValuesAct Swiftly: We prioritize speed and clarity, breaking down complex challenges into manageable steps.Concentration: We focus on one objective at a time, working collaboratively as a team to deliver features with precision.Equilibrium: We believe that sustained performance is achieved through rest and recovery, promoting a healthy work-life balance.Excellence: We innovate through mastery. Every detail matters, and we take pride in our craftsmanship.Simplicity: We drive our innovation through simplicity, eliminating unnecessary complexities and concentrating on what is truly essential.Position OverviewWe are seeking a Fullstack Engineer to enhance and scale the Lightning AI platform, covering everything from the frontend and CLI, to API, billing, security, and integrations.The ideal candidate will take ownership of key features and oversee development from conception to completion while collaborating with a highly skilled team of engineers, product managers, and designers. Here, you will transition from proof of concept to deployment, emphasizing speed, quality, and iterative improvement.This is your chance to create revolutionary technology that will reshape the machine learning landscape! This hybrid role is based in our San Francisco office, requiring in-office attendance 2 days per week. The salary range for this position is $120,000 to $250,000.
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