Senior Software Engineer (Frontend)
Traba is hiring a Senior Software Engineer (Frontend) to join the founding team, responsible for building core web and mobile applications for workers and business customers. Key duties include leading frontend development, establishing best practices for the monorepo, and collaborating with product/design teams to ensure a best-in-class user experience. The role requires deep expertise in building pixel-perfect, performant web applications using modern frameworks.
Senior Software Engineer (Backend)
Traba is seeking an experienced and entrepreneurial Senior Backend Product Engineer to join the founding team. This role involves architecting and leading the development of core systems, including real-time matching algorithms and AI-powered pipelines. Key responsibilities include making key architectural decisions, owning product roadmaps, and building the foundational tech platform for scale.
Senior Game Developer
Playson is seeking a Senior Front-End JS Game Developer to join their team and deliver high-performance solutions within their gaming engine. Key responsibilities include developing new features and ensuring strong FPS and CPU performance using JavaScript/TypeScript, WebGL, and related patterns. The role offers competitive salary, quarterly bonuses, flexible scheduling, and full remote work options within the EU.
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.
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.
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Senior Frontend Engineer
The Senior Frontend Engineer will be responsible for building features in Angular 2+ while collaborating closely with backend and integrations teams. Key duties involve architecting efficient and reusable front-end code, managing priorities, and fixing bugs while ensuring code quality through testing. Candidates need 5+ years of experience with JavaScript and modern frameworks like Angular 2+.
Senior Frontend Engineer
The Senior Frontend Engineer will be responsible for building features using Angular 2+ and collaborating closely with design, engineering, and product teams. Key responsibilities include architecting efficient and reusable front-end code, managing project priorities, and ensuring code quality through testing. This role requires proficiency in modern JavaScript frameworks and a strong understanding of performance optimization.
Senior Frontend Engineer
The Senior Frontend Engineer will be responsible for building features in Angular 2+ and collaborating closely with designers, engineers, and product teams. Key duties include architecting efficient, reusable front-end code, managing project priorities, and ensuring code quality through testing. This role requires proficiency in modern JavaScript frameworks and a strong focus on performance and scalability.
Senior Frontend Engineer
The Senior Frontend Engineer will build features in Angular 2+ by collaborating with designers, engineers, and product teams. Key responsibilities include architecting efficient, reusable front-end code, managing project priorities, and fixing bugs swiftly. The role requires a strong understanding of modern JavaScript frameworks, component building, and performance development, alongside testing responsibilities with a QA counterpart.
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.
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Senior Software Engineer - Backend Product
This Senior Software Engineer role involves bringing new products from concept to reality, working closely with founders and owning large engineering scopes. Key responsibilities include shaping the product roadmap and engineering foundation while building new products using cutting-edge technologies like TypeScript, LLMs, and PostgreSQL. The candidate should have 4+ years of experience shipping high-quality products at scale and be comfortable mentoring engineers and managing infrastructure.
Senior Software Engineer, Backend - Latam
The Senior Software Engineer will be responsible for designing, developing, and maintaining backend services and APIs, primarily using TypeScript and Node.js. Key tasks include optimizing system performance, participating in architectural discussions, and improving development workflows. This full-time role requires 5+ years of experience and is targeted exclusively for candidates based within Latin America.
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.
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.
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.
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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.
Développeur Backend Senior / Backend Senior Dev
Waste Robotics is seeking a Senior Backend Developer to lead the development of robust, scalable web applications integrated with robotic sorting systems. The role involves managing IIoT data, ensuring security and performance, and providing technical leadership and code reviews within a multidisciplinary team. The successful candidate will also contribute to continuous integration, delivery, and documentation.
Senior Software Engineer - Clinical Software (x/f/m)
The role is for a Senior Software Engineer to develop a modular, robust, and scalable virtual patient file within the Health Observation stream. Key responsibilities include taking a leading technical role, defining and implementing features collaboratively, and continuously improving code quality, performance, and monitoring within an agile team environment.
Senior Software Engineer
The Senior Software Engineer will take ownership in building scalable systems and working directly with Large Language Models (LLMs) in Ada's AI customer support platform. Responsibilities include creating and implementing technical designs based on the product roadmap, championing high-quality development practices through code reviews, and collaborating closely with product and design partners. Candidates require 5+ years of experience, with a strong preference for Python and JavaScript/TypeScript expertise.
1 - Développeur Senior (interopérabilité Des Soins De Santé)
The role is for a Senior Developer specializing in healthcare interoperability, responsible for creating robust, standards-compliant health data systems for clients. Key responsibilities include implementing FHIR APIs, HL7 interfaces, and EHR integrations, alongside full-stack development and improving internal tooling. Although focused on healthcare, the developer may work on projects in other domains as needed.