TypeScript Jobs

Replit

The Trust & Safety team at Replit is on the front lines, defending the platform from exploitation by detecting and shutting down malicious activities such as phishing, cryptomining, and LLM token farming. This role involves adversarial work, requiring the development of detection systems, heuristics, and automated responses to stay ahead of constantly adapting attackers. A unique aspect of this position is its focus on AI-native security challenges, including building guardrails for AI-generated code, detecting prompt injection attacks at scale, and leveraging LLMs for defense against platform abuse. The role offers hands-on experience applying AI to security problems in a production environment with real attackers, with opportunities to own problems end-to-end from identifying abuse patterns to shipping scalable solutions.

Scale AI

Scale AI is seeking a Director of Forward Deployed Engineering to lead delivery for their largest and most strategic enterprise accounts. This role involves embedding elite engineers with Fortune 500 customers to ship deeply integrated AI agents, overseeing everything from agent design and evaluation to the backend services, data systems, and cloud infrastructure required for production readiness. The Director will partner closely with Product and core Engineering teams to ensure efficient delivery, translating field learnings into reusable platform capabilities. This is a high-autonomy, founder-mindset position focused on owning outcomes end-to-end, scaling a high-performing team, and shaping enterprise AI adoption.

Scale AI

Our customer base is growing exponentially, and you will be on the front lines of ensuring that the world's most innovative companies become passionate, lifelong, Scale customers. Our Solutions Engineers ensure customers' first experiences with Scale's technology are flawless and lead to a successful long-term partnership. The work will vary daily, and we’re looking for technical experts excited to solve tough problems. As a solution engineer, you will be a part of helping shape our early-stage federal business by re-envisioning our commercial product offerings for our federal clients.

$186k - $233k

Scale AI

Scale's Robotics business unit is focused on solving the data bottleneck in Physical AI across Robotics, Autonomous Vehicles, and Computer Vision. In this role, you will be a key contributor building production systems for robotics data collection, model training pipelines, and evaluation infrastructure. You will have the opportunity to own critical parts of our robotics platform, work directly with cutting-edge robotics and AV customers, and shape the future of embodied AI systems.

Scale AI

Scale AI is seeking a Senior Software Engineer to join our Generative AI Data Engine team. This role is crucial in accelerating the development of AI applications by powering the world's most advanced LLMs and generative models. You will work on high-impact datasets, optimize contributor onboarding, and ensure data integrity through advanced trust, safety, and security measures. This position operates at the intersection of ML, operations, and analytics to deliver high-quality data at scale, contributing to the future of human-AI interaction.

$216k - $270k

Scale AI

Scale GP is seeking a Senior or Staff Infrastructure Engineer to lead the engineering of the 'paved road' for knowledge retrieval and inference engines, defining deployment standards for Agentic workflows at scale. This role bridges complex AI orchestration with world-class infrastructure, ensuring platform reliability for enterprise agents. The ideal candidate is passionate about deep technical work, mentoring, and setting long-term technical strategy while maintaining a hands-on delivery focus. You will architect and implement solutions across multiple cloud providers (GCP, Azure, AWS) for customers in regulated industries.

$252k - $315k

Scale AI

Scale's Robotics business unit is dedicated to solving the data bottleneck in Physical AI across Robotics, Autonomous Vehicles, and Computer Vision. In this role, you'll be a key contributor building production systems for robotics data collection, model training pipelines, and evaluation infrastructure. You'll have the opportunity to own critical parts of our robotics platform, work directly with cutting-edge robotics and AV customers, and shape the future of embodied AI systems.

$180k - $225k

Scale AI

Scale Generative AI Platform (Scale GP) is an enterprise-grade platform offering APIs for knowledge retrieval, inference, and evaluation. We are seeking a skilled engineer to contribute to building and scaling our product in a dynamic environment. The role involves owning significant product areas, collaborating across backend and frontend development, and integrating with LLMs and ML models. You will tackle complex engineering challenges related to scalability and reliability, working throughout the product lifecycle from concept to production.

$216k - $270k

Scale AI

Scale GP (Scale Generative AI Platform) is seeking a Senior Full-Stack Engineer to help build, scale, and refine its enterprise-grade Generative AI platform. This role involves working across the full stack, from React/TypeScript frontends to Python-based backends, and integrating with LLMs and machine learning systems. The engineer will tackle complex challenges in scalability, reliability, and product experience, owning significant product areas in a fast-paced environment.

$216k - $270k

Scale AI

Scale GP (Scale Generative AI Platform) is seeking a frontend-focused full-stack engineer to help build AI-powered applications that redefine enterprise workflows and push the boundaries of interactive AI. This role is ideal for someone who thrives in a fast-paced environment, enjoys working on a diverse set of projects, and has a passion for crafting high-quality, intuitive user experiences. You will work on cutting-edge customer-facing AI applications and internal SaaS products, contributing to projects like TIME’s Person of the Year AI experience and Scale’s GenAI Platform (SGP), a system enabling businesses to build and deploy AI agents at scale. Whether developing interactive AI assistants, enterprise-grade web applications, or refining our core SaaS platform, you will play a crucial role in shaping how AI integrates into real-world applications.

$248k - $311k

Scale AI

We are seeking a Principal Architect to drive the design, development, and deployment of our agentic AI products in a fast-paced, collaborative, extremely high-visibility environment. In this role, you will lead a team of 50+ engineers, providing both strategic and technical guidance. You’ll be responsible for high-impact architectural decisions, cross-company collaboration, and executive level engagements.

$298k - $373k

Scale AI

Scale GP (Scale Generative AI Platform) is an enterprise-grade AI platform that provides APIs for knowledge retrieval, inference, evaluation, and more. We are looking for a strong engineer to join our team and help us build and scale our core infrastructure in a fast-paced environment. The ideal candidate will have a strong understanding of software engineering principles and practices, as well as experience with large-scale distributed systems. You will implement solutions across multiple cloud providers (GCP, Azure, AWS) for customers in diverse, highly-regulated industries like healthcare, telecom, finance, and retail.

$216k - $270k

Scale AI

Scale's Global Public Sector team is seeking Applied AI Engineers to build custom, end-to-end AI applications for public sector clients worldwide. This role involves leveraging the latest AI advancements to create impactful solutions, generate high-quality training data for national LLMs, and contribute to upskilling initiatives. You will work on developing and fine-tuning sophisticated models for real-world use cases, aiming to transform public sector operations and enhance citizen services through cutting-edge technology. Join a rapidly expanding team dedicated to shaping the future of AI in the public sector.

Replit

Replit is seeking a mid-level AppSec Vulnerability Management Engineer with a strong software development background. This role bridges the gap between security, compliance, and engineering teams by identifying application vulnerabilities, maintaining software supply chain security, and driving tracking to satisfy strict regulatory compliance frameworks. The engineer will also serve as a technical responder during security incidents, deploying real-time countermeasures to protect the software ecosystem.

WRITER is seeking a highly skilled full-stack software engineer to join their engineering team. This role will focus on building advanced AI-driven agent systems capable of executing autonomous workflows, orchestrating multi-step tasks, and extending human capacity across enterprise applications. The engineer will be instrumental in designing, building, and scaling next-generation AI agents that integrate with enterprise data and services to solve real-world problems, collaborating with cross-functional teams to transform complex agent concepts into production-ready systems.

WRITER is seeking a highly skilled full-stack software engineer to join their engineering team. This role will focus on building advanced AI-driven agent systems capable of executing autonomous workflows, orchestrating multi-step tasks, and extending human capacity across enterprise applications. The successful candidate will play a key part in designing, building, and scaling next-generation AI agents that integrate with enterprise data and services to solve real-world problems. Collaboration with cross-functional teams will be essential to translate complex agent concepts into production-ready systems.

Harvey

As a Software Engineer on the Product Engineering team at Harvey, you will own and lead engineering projects across our various product lines. You will work closely with our AI, Legal, and GTM teams to build secure systems that deliver value to our customers. We are looking for individuals who have worked across the stack on incredible products across consumer, enterprise, and various industries and who are excited about building the future of application layer and genAI products.

$231k - $314k

Mistral AI

Mistral AI is seeking passionate and skilled software engineers to join our Warsaw-based Context Engine team. You will be instrumental in building and enhancing Mistral's agent harness, which is crucial for delivering production-grade knowledge processing and directly influences how users interact with our AI platform. The role involves developing reliable, high-performance backend systems and APIs that serve millions of users and developers, ultimately making the user and developer experience more engaging, efficient, and intuitive. We are looking for engineers at mid to senior staff levels who are eager to learn, collaborate, and ship impactful products.

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 Software Engineer on the Product Engineering team, you will own and lead engineering projects across various product lines, working closely with AI, Legal, and GTM teams to build secure systems that deliver value to customers. We are looking for individuals excited about building the future of application layer and genAI products.

$193k - $290k

Reflection ai

Reflection is a research lab dedicated to making intelligence open and accessible for everyone to use, customize, and build on. We are seeking an exceptional technical lead to build and scale our Forward Deployed Engineering function within the AI Solutions team. This role is critical in bridging our cutting-edge AI research with real-world enterprise deployments. As a Forward Deployed Engineer Lead, you will own the end-to-end technical strategy, execution, and delivery of complex agentic applications, from early pre-sales discovery through production deployment.