TypeScript Jobs

LangChain is seeking a Frontend Engineer to join their AI Observability & Evals Platform team. This role will focus on developing and enhancing new features for LangSmith, an enterprise platform designed for LLM application observability, testing, and debugging. You will contribute to building the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents. LangChain is a fast-growing company with significant funding, offering a dynamic environment where your contributions can shape the future of AI technology.

$160k - $195k

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. The Retail team on Agent Engineering partners with major consumer brands like Gap, Wayfair, and Sonos to reinvent commerce in an AI-first era. Our agents support customers across web, app, phone, and in-store channels, resolving issues, driving revenue, and building loyalty. Engineers on this team are product-led thinkers who own agents end-to-end, setting the standard for the future of the retail industry.

Mercor is seeking a Full Stack Software Engineer to join their Agent Platform team. This role is central to Mercor's mission of organizing human intelligence to power the AI economy. You will own the end-to-end development of the agent platform, which serves as both an internal workbench and an external storefront for building, running, and showcasing AI agents. This platform is critical for enabling hundreds of internal users and dozens of enterprise clients, requiring a strong focus on both engineering craft and product impact, ensuring scalable, reliable systems and intuitive interfaces.

OpenAI

OpenAI for Financial Services is seeking backend engineers to build the systems that make advanced AI useful, reliable, and trustworthy in financial services. You will develop data systems, agentic workflows, and enterprise integrations for our products, and help deploy them at major financial institutions. This is a product-focused role with significant ownership, allowing you to shape new products from inception, engage directly with customers to understand their needs, and collaborate across OpenAI to transform model capabilities into trusted products for high-stakes professional work.

OpenAI

We are seeking an exceptionally experienced, hands-on full-stack engineer to define and build the next generation of AI-powered enterprise workflows within the Technology vertical. This role involves tackling ambiguous problems, translating customer needs into product direction, designing systems, and writing production-quality code across the entire stack. You will own the technical direction and end-to-end delivery of products, making foundational architecture and product tradeoffs, establishing patterns for other engineers, and ensuring high standards for reliability, security, observability, and customer value. This is an individual-contributor role focused on technical judgment, direct execution, and influence, requiring comfort with customer interaction, setting direction with partners, debugging production issues, and staying close to the code.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our co-founders have extensive experience from leading tech companies like Salesforce, Facebook, and Google, with one co-founder currently serving as Board Chair of OpenAI. We are guided by core values of Trust, Customer Obsession, Craftsmanship, Intensity, and Family, which shape our culture and work.

Glean is seeking driven engineers to tackle cutting-edge challenges in data and AI security and governance. In a fast-paced startup environment, this role involves understanding customer needs and domain research to develop innovative solutions. You will collaborate with product managers and designers to balance engineering constraints with requirements, delivering intuitive and reliable experiences for enterprise users.

$140k - $265k

Sarvam.ai is at the forefront of India’s AI revolution, dedicated to building transformative technologies that empower users and redefine digital interactions. Our mission is to develop intelligent systems that seamlessly integrate into everyday workflows, enhancing productivity and user experience. We are looking for a Senior Frontend Engineer to join our team building cutting-edge AI agent interfaces. You will architect and deliver production-grade web applications using Next, React, and TypeScript in a modern monorepo architecture. This role requires high autonomy, the ability to ship fast without compromising quality, and thriving in ambiguity while building AI-powered products at scale.

Enterprise Foundations is responsible for building the core capabilities that large enterprises require to operate their business on the Fireworks platform. This involves addressing complex needs related to organizational structure, user access control, usage metering, billing, data security, and deployment within customer-owned cloud environments. The role offers end-to-end ownership of features, starting from customer conversations, evolving into changes in core data models and APIs, and extending through the control plane, training and inference stacks, SDK, CLI, and console. The work is foundational, often involving new primitives that impact other teams' code and must be rolled out to production without disruption. This position is closely tied to revenue, with requirements stemming directly from enterprise deals and customer interactions, offering a unique opportunity to influence product direction and build solutions for scaled companies.

We are an applied AI lab building end-to-end software agents, and we're the makers of Devin, the first AI software engineer. Our team is extremely talent-dense, with founders from leading AI companies. We are looking for engineers who can own the full product experience, make product decisions, and push through technical challenges to ship high-quality, delightful experiences for developers. This role is for individuals who can identify and close the gap between what exists and what should exist in AI-powered developer tools.

Inflection AI

Inflection AI is seeking a hands-on Principal Engineer to lead the architecture and technical direction of its agentic AI systems. This role involves building production AI agents capable of reasoning, retrieving context, utilizing tools, and safely executing complex workflows. You will drive the design of scalable agent architectures, evaluation frameworks, observability, and reliability systems. Collaborating closely with product, design, and engineering teams, you will transform ambiguous problems into AI-native experiences, mentor senior engineers, and establish technical standards for the next generation of intelligent agents.

OpenAI

We are seeking an exceptional backend software engineer to help define and ship the enterprise capabilities our API Platform needs to scale. This is a product-engineering role grounded in deep backend systems, where you will work across databases, streaming systems, request routing, authentication, and developer-facing APIs. You will bring strong product judgment, developer empathy, and attention to detail to make the platform easier to understand, trust, and operate. In this role, you will lead large cross-functional initiatives, work closely with Product and go-to-market teams, engage directly with sophisticated users, and carry ambiguous needs from discovery through design, launch, and iteration.

Cognition is seeking an Applied AI Engineer to operationalize AI modernization at the enterprise level. This role involves deploying AI solutions, specifically integrating agentic workflows into engineering processes to drive measurable productivity gains. As one of the first Applied AI Engineers, you will also play a key role in shaping the function by transforming individual customer engagements into repeatable playbooks and enablement models. The ideal candidate has strong engineering fundamentals, enjoys customer interaction, and is driven by product adoption and user success, with a systematic approach to scaling learnings.

Sarvam is building India's full-stack sovereign AI platform, focusing on research, models, infrastructure, and applications to make AI work for India. This Developer Relations Engineer role is a blend of engineering, content creation, and community engagement, with a primary focus on the code and content aspects. As a Developer Advocate, you will be a developer first, creating demos, integrations, and technical content that showcase the capabilities of Sarvam's models and facilitate their adoption by other developers. Your work will often be the initial touchpoint for developers interacting with Sarvam, requiring a high standard for both code and written communication. A core aspect of this role is empathy, understanding developer frustrations with APIs or documentation, and channeling that insight back to the engineering team to drive improvements.

OpenAI

The ChatGPT Learning team is focused on building the next generation of learning experiences within ChatGPT, aiming to evolve the platform into a tool that helps users learn, grow, and make progress over time. This role involves designing and building new product experiences that enable millions of people to learn with ChatGPT, working across the full stack from user interfaces to backend services. You will collaborate closely with researchers and platform teams to integrate cutting-edge AI capabilities into user-facing products, translating AI advancements into everyday learning tools. We are seeking engineers who excel at creating polished product experiences, take ownership, and thrive on solving complex problems at the intersection of AI research and consumer software.

Decagon is a leading conversational AI platform that empowers brands to deliver exceptional customer experiences through AI agents. We are building a future where customer interactions are redefined, moving beyond traditional support to foster richer conversations and deeper relationships. Our Enterprise Product team is responsible for creating the platform that enables customers to build, maintain, and enhance their AI agents, making sophisticated AI capabilities accessible to both technical and non-technical users. As a Senior Software Engineer on this team, you will own the design and development of robust, scalable systems that allow customers to confidently create and optimize their AI agents, working closely with customer-facing teams to understand workflows and translate them into elegant, scalable product features.

$200k - $400k

Decagon is a leading conversational AI platform that empowers brands to deliver exceptional customer experiences through AI agents. We are building a future where customer interactions are redefined, moving beyond traditional support to foster richer conversations and deeper relationships. Our Enterprise Product team is responsible for creating the platform that enables customers to build, maintain, and enhance their AI agents, making sophisticated AI capabilities accessible to both technical and non-technical users. As a Senior Software Engineer on this team, you will own the design and development of robust, scalable systems that allow customers to confidently create and optimize their AI agents, working closely with customer-facing teams to understand workflows and translate them into elegant, scalable product features.

$200k - $400k

Replit

As a Product Engineer at Replit, you will be instrumental in transforming emerging ideas into polished, user-friendly experiences. You will work across AI models, agentic workflows, and web infrastructure to build sophisticated and intuitive user interfaces. The goal is to create products that can define new categories for Replit, combining software flexibility with the accessibility of presentations, spreadsheets, and dashboards, allowing users to create powerful, interactive artifacts through natural language. This high-visibility role is for individuals with product judgment, technical range, and an ownership mindset, working closely with product leadership to build for the next generation of creators and knowledge workers.

Applied Intuition is seeking a Full-Stack Software Engineer to join the Mission Control team, which builds a tailored suite of UIs for defense customers to interact with our autonomy stack. This role is a "startup within a startup" focused on building a highly configurable, stable, and intuitive frontend platform for mission planning, monitoring, and debriefing. You will design and implement a data-oriented frontend UI/UX platform, including 2D/3D graphics and visualizations, and work closely with the Design team to develop a vision for Defense Tooling UI/UX. You will also integrate your frontend implementation with our in-house simulator, data-transmission pipeline, and autonomous systems.

$60k - $300k

Applied Intuition is seeking a Full-Stack Engineer to join the Mission Control team, which builds tailored UIs for defense customers to interact with their autonomy stack, known as C2 (Command and Control). This role operates like a "startup within a startup" with rapid iteration cycles, providing essential autonomy tooling to the Defense industry. The engineer will focus on building a highly configurable, stable, and intuitive frontend platform, including UI/UX with 2D/3D rendering and selection tools for defense applications like mission planning, command and control, and simulation. The position involves designing and implementing a data-oriented frontend UI/UX platform, collaborating with the Design team on user workflows, and integrating frontend implementations with the company's simulator, data-transmission pipeline, and autonomous systems.

$60k - $300k