Senior Full-stack Engineer
OpenRouter seeks a Senior Full-Stack Engineer to join their small, technical team to build user-facing features using React and Next.js for the front end, and develop scalable API functionality using Cloudflare Workers for the backend. Key responsibilities include end-to-end feature ownership, maintaining high standards with TypeScript, and optimizing performance across systems. The ideal candidate has 4+ years of experience and thrives in a fast-paced, asynchronous startup environment.
Full-Stack Engineer
The Full Stack Engineer will be responsible for designing, developing, and scaling products by driving feature development across the frontend user experience and backend infrastructure. Key responsibilities include building scalable web applications, optimizing user interfaces, and maintaining backend services and APIs. This role involves close collaboration with the CTO, engineering, and product teams to rapidly iterate on features for logistics value chain products.
Senior Software Engineer, Money
This Product Engineering role focuses on leading the design and implementation of Replit's critical billing and invoicing systems for both consumer and enterprise users. Responsibilities include creating reliable and scalable billing abstractions, developing customer-facing billing interfaces, and iterating on pricing tactics to drive revenue growth. The position requires 4+ years of full-stack product experience, strong backend skills, and the ability to work autonomously in complex billing environments.
Software Engineer, Web Infrastructure
The Web Infrastructure team seeks a Software Engineer to design, build, test, and maintain tooling that powers the company's web application ecosystem. Responsibilities include contributing to developer tools across the full stack (front-end, back-end, CI/CD) to enhance engineering velocity and productivity. This role requires a minimum of 3 years of experience building production web applications using technologies like JavaScript/TypeScript.
Software Engineer - Mission Sim
This role involves developing simulation and data tools for collaborative autonomy, applying expertise in on-road simulation to multi-domain, large-scale defense simulations. Engineers will work across the stack, implementing frontend UI/UX for 3D rendering, developing backend application logic within a state-of-the-art simulator, and integrating tools with autonomous vehicle stacks. The goal is to accelerate the development of collaborative autonomy for the Defense industry.
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Senior Frontend Engineer (react, TypeScript)
The Senior Frontend Engineer will make significant individual contributions used heavily by clients running their businesses on the software. Key responsibilities include introducing abstractions, improving team velocity, setting engineering quality standards, and mentoring teammates. The role involves working closely with product and design teams to define new features.
Senior Full-stack Engineer (go, React, TypeScript)
Rundoo is seeking a Senior Full-Stack Engineer to make significant individual contributions to their core software used by building materials suppliers across the country. Responsibilities include leveraging expertise to introduce systems that improve team velocity, setting engineering quality standards, and mentoring teammates. Candidates must collaborate well cross-functionally and have over 3 years of software engineering experience, including production use of Go, TypeScript, or React.
React Native Engineer
Air Apps is seeking a React Native Engineer to build and maintain their suite of mobile applications, collaborating closely with cross-functional teams. Key responsibilities include developing cross-platform apps, optimizing performance, and integrating with backend services. The role is crucial for driving innovation and maintaining high standards of quality in their mobile products.
Senior Front-end Engineer
The Senior Front-End Engineer will drive the development of high-performance web and desktop applications, focusing on scalability and real-time communication efficiency. Key responsibilities include designing and developing applications using React, Vite, and Electron, optimizing real-time systems via WebSockets/MQTT, and building reliable CI/CD pipelines. The role also requires architecting complex state management solutions and providing technical mentorship to other engineers.
Software Engineer (Full-Stack)
N1 is looking for a full-time Software Engineer specializing in full-stack development for their hyper-performant blockchain network. Responsibilities include developing front-end, server-side, and database applications with a focus on enhancing web-based platforms and internal tools. The ideal candidate must be resourceful, product-minded, and have strong experience with modern web technologies like React and NodeJS.
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Lead Software Engineer, Embedded Accounting, Frontend
Join Xero as a Lead Software Engineer, Frontend, for the US Product division to lead the design and development of embedded accounting experiences. This role focuses on driving technical excellence, building scalable applications with modern frontend tech, and mentoring junior team members.
Senior Full-Stack Engineer, Observability & Evals Platform (langsmith)
LangChain is seeking a Senior Full Stack Engineer to shape the technical direction of its commercial product, LangSmith, an observability and evals platform. Key responsibilities include leading technical architecture and implementation across the Go, Python, and Typescript stack, collaborating with product/design teams, and mentoring junior members. Success requires 7+ years of experience in complex platform products, including fullstack experience with Go/Python and React/Typescript.
Staff Software Engineer, Content Creation
The Staff Software Engineer will play a pivotal role in developing Box Notes, Box's collaborative note-taking and real-time editing tool. Key responsibilities include leading large-scale projects, assessing and planning the re-architecture of existing components, and managing significant portions of legacy frontend and backend code. The role requires strong technical expertise to guide the team while ensuring efficiency, scalability, and maintainability of the vital Box product.
Engineering Manager II, Launchpad
The Launchpad Engineering Team requires an Engineering Manager II to lead an experienced engineering team based in Poland. Key responsibilities include defining the team's roadmap, managing project delivery, and developing team members through coaching and mentorship. The role demands strong technical judgment in modern UI engineering, design systems, and accessibility standards while focusing on execution, quality, and scale.
Product Designer
Sierra is seeking a Product Designer to drive the end-to-end design process for a platform focused on human customer experiences with AI. Key responsibilities include solving unique product challenges for various stakeholders, collaborating closely with engineering and product teams, and developing a scalable design system. Candidates must bring extensive UI/UX experience, visual design fluency, and proficiency in tools like Figma, alongside a strong desire to deeply understand user needs.
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Mid Full-stack Engineer (go, React, TypeScript)
Rundoo is seeking a Mid Full-Stack Engineer to build cutting-edge software for building materials suppliers. Responsibilities include making significant individual contributions, introducing systems to improve team velocity, raising engineering quality standards, and mentoring teammates. Candidates must have at least 2 years of software engineering experience and be willing to work in-person at the Redwood City office a couple of days a week.
Senior React Native Engineer, Mobile
Fullscript is seeking a Senior React Native Engineer to join their mobile platform team, focusing on a patient-facing e-commerce mobile application. This role involves collaborating on architecture, implementing high-quality features, maintaining infrastructure, and improving mobile development workflows. The engineer will also assist in mentoring other developers and staying current with mobile trends.
Staff Software Engineer, Full-stack
Owner.com is seeking a Staff Software Engineer, Full-Stack to build new products and features from conception to shipping for their AI growth system, focused on local restaurants. This role involves delivering value across the entire system, collaborating with cross-functional teams, and mentoring junior engineers while maintaining high code quality and contributing to engineering culture.
Software Engineer, Full-stack
This Full-Stack Software Engineer role at Owner.com focuses on building new products and features from conception to deployment, delivering value across the entire system. Responsibilities include shaping product direction through user interaction and collaboration, and contributing to team growth.
Senior Software Engineer, Full-stack
Owner.com is seeking a Senior Software Engineer, Full-Stack, to build and ship new products and features for their AI growth system for local restaurants. This 100% remote role, available in the United States or Canada, involves taking end-to-end ownership of projects, ensuring high-quality code, and collaborating with cross-functional teams to shape product direction.