TypeScript Jobs

The ML Infrastructure team builds large-scale compute, storage, and software infrastructure to support the company's work building the world's best agentic coding model. This role works closely with ML researchers and engineers to enable their work through improvements to our training framework, systems reliability/performance, and developer experience. We are looking for strong engineers interested in building high-performance infrastructure and the software to support it.

Fal

fal is building the generative media ecosystem for the next generation of AI products, providing the infrastructure, tools, and model access needed to move from idea to production at scale. We offer a unified platform for high-performance inference, orchestration, and observability, enabling new categories of AI-native products. As generative media reshapes industries, fal is becoming the ecosystem for ambitious teams. This role is for a versatile designer who thrives in ambiguity and can maintain a fast pace while ensuring UI consistency and speed. You will own product design end-to-end, from problem framing to iteration, and will be instrumental in building and maintaining our design system.

Replit

Replit is seeking an early member for its new Enterprise team to build and scale features that help teams and organizations of any size be more productive. This is a critical area for the company's success, offering an opportunity to make a meaningful impact and shape culture and processes from the ground up. The role involves working closely with cross-functional teams to craft solutions that enable customers to build, deploy, and share applications seamlessly, requiring both technical expertise and a deep understanding of user needs to deliver impactful features.

Decagon is seeking a Staff Software Engineer for its Enterprise Product team. This role will be a technical leader responsible for shaping the platform that empowers customers to build, maintain, and improve their AI agents. You will collaborate closely with Agent Software Engineering and Agent PM teams to understand workflows and define technical strategies. Working with product and design teams, you will be involved in discovery, defining requirements, reviewing designs, and launching features. Beyond building, you will mentor engineers, supervise projects, and provide technical direction.

$200k - $400k

Replit

This Principal Product Engineering role focuses on Replit's Money Infrastructure, the financial systems that manage how Replit earns money, how builders earn money, and how Agents transact. You will be at the intersection of engineering, product, and business, building systems that directly impact revenue, trust, and critical user journeys. The ideal candidate will design and scale reliable financial systems, translating complex monetary logic into user-friendly experiences, and has a passion for monetizing innovation and contributing to the company's pricing strategy.

AI needs a new infrastructure layer, and we're building it at Modal. Our customers, including category-defining companies, rely on Modal for instant GPU access, sub-second container starts, and native storage to serve low-latency inference, fine-tune models, and access production-ready sandboxes at scale. We are seeking strong backend engineers passionate about building developer tools used by the largest AI companies globally. You will be instrumental in developing solutions for large-scale operations and evolving AI workflows.

OpenAI

As an Applied AI Engineer, you will partner directly with leading organizations to design, build, and deploy AI systems that deliver measurable business outcomes. You will combine deep technical judgment, hands-on engineering, and customer leadership to take ambitious ideas from use-case selection and architecture through prototyping, evaluation, production launch, and scale. You will write and debug code, build evaluation systems, resolve complex integrations, and guide decisions involving model behavior, reliability, latency, cost, safety, security, governance, and operational readiness. Success is measured by production systems, sustained adoption, and meaningful customer impact. This is a rare opportunity to work on consequential real-world deployments at the frontier of AI while directly influencing how OpenAI’s products evolve.

Replit

Replit is seeking a highly technical, data-driven Growth Engineer to help scale its product and expand key user metrics across acquisition, activation, retention, and monetization. This role sits at the intersection of engineering, product, and marketing, leveraging code, experimentation, and analytics to uncover opportunities and deliver measurable impact. The ideal candidate will drive experimentation and optimization by designing, implementing, and analyzing A/B and multivariate tests, and identify bottlenecks in user funnels to improve conversion rates. They will also build and scale growth-oriented product features like onboarding flows and referral systems, ensuring scalable code and infrastructure. Collaboration with data teams for tracking, dashboards, and user behavior analysis, along with leveraging SQL and analytics tools, is crucial. The role involves close partnership with product managers, designers, marketers, and data scientists to align on growth goals and translate business objectives into technical requirements.

Replit

Replit is seeking a Staff Product Engineer to join their team. This role involves collaborating with product managers, designers, and other engineers to develop features that enhance user collaboration and accelerate the journey from idea to software. You will be instrumental in shaping and experimenting with features for millions of users, leading major projects from conception to completion, and identifying and resolving complex technical challenges. The position also includes charting technical direction, mentoring junior engineers, and shipping new features and infrastructure.

Mistral AI

Mistral AI is democratizing AI through high-performance, optimized, open-source models and products. We are a dynamic, collaborative team passionate about AI's potential to transform society, with teams distributed globally. We are seeking an AI Engineer to join a product team, focusing on improving AI-powered features through rigorous evaluation, prompt and orchestration design, and rapid experimentation. You will own your domain's AI quality end-to-end, defining, measuring, and shipping improvements in collaboration with our Science team.

Replit

Replit is seeking a Staff Software Engineer specializing in monetization systems to lead this critical area of the company. This role offers a direct line to business impact while ensuring a positive user experience for billing and payment processes. The ideal candidate will build reliable, scalable billing systems and abstractions, translating complex pricing into intuitive user interfaces. This position is crucial for democratizing software development by removing barriers to application creation.

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible. We are seeking a core member for our Applied AI team to lead Forward Deployed Engineering efforts with enterprise customers. This role involves translating advanced AI research into high-impact, real-world applications, owning the technical strategy and delivery of agentic systems from discovery to production launch.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. These are not prototypes but scalable systems running in production across various industries. You will own the Agent Development Life Cycle (ADLC) from pilot to deployment and iteration, establishing best practices. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations. Your customer interactions will also shape the evolution of Sierra's core platform, influencing new tools, features, and the future of AI agent development.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. These are not prototypes but scalable systems running in production across various industries. You will own the Agent Development Life Cycle (ADLC) from pilot to deployment and iteration, establishing best practices. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations. Your customer interactions will also shape the evolution of Sierra's core platform, influencing new tools, features, and the future of AI agent development.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth and revenue. You will own the entire Agent Development Life Cycle (ADLC), from pilot to deployment and iteration, establishing best practices along the way. This role involves partnering directly with leaders at large enterprises and cutting-edge startups to understand their challenges and build AI agents that transform their operations at scale. Your work will also directly influence the evolution of Sierra's core platform, surfacing unmet needs and prototyping new tools and features in collaboration with research, product, and platform teams.

We are seeking an IT Engineer to manage the employee technology experience within our New York or London office, while also contributing to the scaling of Cognition's global IT operations. This role is the primary IT point of contact for the office, ensuring employees have secure and reliable technology and receive prompt support. The position also involves enhancing IT operations through the development of durable tooling, automation, and AI-enabled workflows to streamline recurring tasks. Ideal candidates will possess in-depth knowledge in two to three IT disciplines and a desire to explore new areas.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences using 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.

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer, Agent to design and deliver production-grade AI agents that are central to Sierra's growth. You will own the Agent Development Life Cycle (ADLC) from pilot to iteration, building, tuning, and evolving AI agents in production environments. This role involves partnering directly with large enterprises and cutting-edge startups to understand their business challenges and build AI agents that transform their operations. Your work will also influence the evolution of Sierra's core platform, surfacing unmet needs and prototyping new tools and features in collaboration with research, product, and platform teams.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We are seeking a Product Manager, Agent Development to partner directly with engineers and customers to build and ship AI agents capable of handling thousands of daily customer conversations. This role involves engaging with customers at all levels to understand their requirements, demonstrate Sierra's agent capabilities, and address technical challenges. You will also develop and improve virtual agents to meet customer needs and drive strategic technical initiatives, while shaping the product roadmap by collaborating with engineering and product development teams on new features.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We are seeking a Product Manager to join our team and focus on developing enterprise-grade AI agents. This role involves partnering directly with engineers and customers to build and ship AI agents capable of handling thousands of customer conversations daily. You will engage with customers at all levels to understand their requirements, demonstrate Sierra's agent capabilities, and address technical challenges. A key part of this role is shaping the product roadmap by collaborating with engineering and product development teams to implement new features that drive customer success.