TypeScript Jobs

Replit

Replit is seeking a Staff Software Engineer to lead the development of Replit Agent, a groundbreaking AI coding agent that empowers anyone to build applications using natural language. As a technical leader within the Replit Cloud organization, you will be instrumental in building and scaling Replit's first-party cloud infrastructure, which supports millions of users worldwide. This role involves taking new products from conception to launch, iterating on core cloud services, and solving complex technical challenges to enhance user experience and product differentiation. You will collaborate closely with product and design teams, mentor engineers, and contribute to the full-stack development of Replit's platform.

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.

$180k - $230k

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.

Replit

The Anti-Abuse team at Replit is responsible for defending the platform from exploitation by detecting and shutting down various forms of abuse, including phishing, cryptomining, and LLM token farming. This role involves building advanced detection systems, heuristics, and automated responses to stay ahead of constantly adapting attackers. A unique aspect of this position is the AI-native nature of Replit's platform, offering hands-on experience in applying AI to security problems, such as building guardrails for AI-generated code, detecting prompt injection attacks, and using LLMs defensively. You will own problems end-to-end, from identifying abuse patterns to shipping scalable solutions.

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.

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.

Mistral AI

Mistral AI is seeking early-career software engineers, including new graduates or those with up to 1-2 years of experience, to join their software engineering teams. In this role, you will contribute to building and enhancing the core systems that power Mistral's products, such as AI Studio and Applications, as well as supporting operations like SRE, data, and security. You will play a key part in shaping how users and developers interact with the AI platform at scale, working closely with experienced engineers who will mentor and support your growth. This is an opportunity for enthusiastic graduates to learn, collaborate, and deliver impactful products in a fast-paced environment.

Mistral AI

Mistral AI is seeking an Applied AI Engineer to facilitate the adoption of its products among customers and collaborate with them to address complex technical challenges. This role is integral to the Applied AI Engineering team, driving the successful deployment of Mistral AI products by working hand-in-hand with customers from pre-sale to post-implementation. The engineer will integrate cutting-edge AI models into clients' software products and develop complex use cases, ensuring seamless integration with front-end and back-end interfaces. They will also collaborate with product and science teams to improve product and model capabilities based on customer feedback.

Replit

Replit is seeking a Design Engineer to bridge the gap between design and engineering. In this role, you will help shape our design system implementation, architect front-end solutions, and ensure seamless user experiences across our platform. You will be instrumental in creating the technical foundation that allows us to enable anyone with an idea to create apps.

Mistral AI

Mistral AI is seeking a Software Engineer to design and build core systems that drive the company's growth, focusing on the Enterprise Agents area. This role involves developing internal tools, integrations, connectors, workflows, and dashboards to enhance information flow across the organization. The engineer will collaborate closely with internal stakeholders to understand business needs, translate complex workflows into scalable software, and deliver pragmatic solutions that optimize team operations. The position is at the intersection of engineering, finance, data, and operations, contributing to a dynamic and collaborative team environment.

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This is a rare chance to help build a generational company at a true inflection point, with strong product-market fit and world-class investor support. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As a Staff Software Engineer, Frontend, you will own and lead engineering projects that define the user experience of our different products, including Assistant, Vault, Workflows, and Harvey in Microsoft Word and Outlook, as well as lead frontend engineering on new products.

$238k - $290k

Harvey

Why Harvey At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. With 1500+ customers in 60+ countries, strong product-market fit, and world-class investor support, we’re scaling fast and defining a new category in real time. The work is ambitious, the bar is high, and the opportunity for growth — personal, professional, and financial — is unmatched. Our team moves fast, takes ownership, and is deeply committed to the mission — operating with intensity, staying close to our customers, and pushing each other for excellence. We live by three values: Decisiveness, Simplicity, and Job's Not Finished. We act quickly on clear judgment over perfect information, we believe simplicity is what scales, and we're never satisfied with where we are. If you want to do the best work of your career alongside people who share that drive, we'd love to build with you. At Harvey, the future of professional services is being written today — and we’re just getting started. Role Overview As a Staff Frontend Software Engineer at Harvey, you’ll play a pivotal role in shaping the foundation of our product platform while directly building user-facing features for some of the world’s leading law firms and enterprise customers. This team owns and operates the platform layer that enables secure, reliable, and flexible experiences for our customers including notifications, permissions and feature flag infrastructure. We also build enterprise-grade collaboration product experiences for law firms. You will design and own systems that not only serve as critical infrastructure for the rest of the company, but also directly impact how our users engage with Harvey’s AI-powered legal tools. This role is ideal for engineers who are excited by the opportunity to move between deep platform thinking and hands-on product iteration. This role is based in Toronto, Canada. We use a hybrid, 3+ days-per week in-person work model and offer relocation assistance to new employees. What You’ll Do - Design and build foundational infrastructure including authentication, permissions, feature flagging, notifications, and document management integrations - Build and evolve Harvey’s internal product platform, accelerating development across multiple product lines and engineering teams - Lead development of enterprise-facing features, such as secure multi-party collaboration, cross-organization workflows, and robust admin controls - Maintain high standards for security, privacy, and system reliability, particularly in handling sensitive legal data - Collaborate cross-functionally with product, AI, design, and GTM teams to deliver delightful, enterprise-ready experiences What You Have - 5+ years (post-BS/MS) of frontend-focused software engineering experience on platform and/or product-oriented teams - Experience working across the stack to ship user-facing features with measurable impact - Strong knowledge of frontend technologies such as React, Typescript, and CSS - Familiarity with or interest in enterprise SaaS patterns, such as role-based access control (RBAC), feature flag systems, and third-party integrations - Track record of shipping highly intuitive products, strong attention to detail - Strong programming skills and general Computer Science knowledge What We Offer - Be part of building something special as a founding member of our Toronto team - Structured hybrid working arrangement: 3 days in our Toronto office, 2 days working from home We are an AI company and we use AI to improve all of our processes, including in the recruitment process. Whilst we do use AI to help improve efficiency in our recruitment process, we do not rely on AI to make any automated decisions and ensure that a human reviews AI output. Depending on your location, an Applicant Privacy Notice may apply to you. You can find all of our Applicant Privacy Notices [here]. #LI-KT1 Harvey is an equal opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law. We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made by emailing [email protected]

Mistral AI

Mistral AI is seeking passionate and skilled software engineers to join our team as Backend Engineers. You will contribute to the development of core systems powering our main products, AI Studio, Le Chat & Mistral Code, shaping how users and developers interact with our AI platform at scale. You'll work on building reliable, high-performance backend systems and APIs that serve millions of users and developers, directly impacting the developer and user experience. We welcome engineers at all levels, from fresh graduates to senior and staff engineers, who are eager to learn, collaborate, and ship impactful products.

Mistral AI

Mistral AI is seeking a passionate and skilled Senior Frontend Engineer to join their growing team. This role offers the unique opportunity to work on the company's complete range of products, contributing to their development and enhancement. The work will directly impact the user experience, making it more engaging, efficient, and intuitive. Mistral AI believes in democratizing AI through high-performance, optimized, open-source, and cutting-edge models, products, and solutions, aiming to integrate AI seamlessly into daily working life.

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are reshaping critical knowledge work for the future. This is a rare opportunity to help build a generational company at an inflection point, with strong product-market fit and investor support, as we scale fast and define a new category. Our team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. We value decisiveness, simplicity, and the understanding that the job is never finished. If you want to do the best work of your career alongside driven individuals, we'd love to build with you.

$200k - $260k