Aru Labs

Build and maintain backend systems, APIs, databases, and integrations using Node.js, TypeScript, Express.js, and MongoDB. | Strong experience with Node.js, JavaScript/TypeScript, backend frameworks, MongoDB, REST APIs, security, authentication, and independent problem-solving. | We’re looking for a Backend Software Engineer to build and ship products with our team. You’ll work on the systems behind our products, from APIs and databases to integrations and production infrastructure. You’ll have high ownership, move quickly, and help take products from prototype to launch. Our main stack is Node.js, TypeScript, Express.js, and MongoDB. What you’ll do Build backend systems and APIs from scratch Develop services using Node.js, TypeScript, and Express.js Design and work with databases, primarily MongoDB Build scalable and reliable backend architecture Integrate APIs, AI models, payment systems, and third-party services Design authentication, authorization, and data flows Deploy, monitor, and maintain production applications Work closely with frontend, product, and design teams Prototype, test, iterate, and ship quickly Debug and improve existing systems as products scale What we’re looking for Strong experience with Node.js Strong JavaScript / TypeScript skills Experience with Express.js or similar backend frameworks Strong experience with MongoDB and database design Experience building and shipping production APIs Good understanding of REST APIs and web architecture Understanding of authentication, security, and backend best practices Experience integrating third-party APIs and services Comfortable working independently and taking ownership Strong problem-solving skills Someone who enjoys building from zero to one Nice to have Experience building AI/LLM products Experience with Next.js or full-stack applications Experience with PostgreSQL or other databases Experience with cloud platforms and deployment Experience with Docker and CI/CD Experience with queues, caching, or background jobs Experience building consumer products Open-source contributions or personal projects What you’ll get Fully remote High ownership Work directly on new products from day one Small, fast-moving team Close collaboration with product and frontend Freedom to experiment and ship The opportunity to build products used by real users

Build and ship frontend products using React and Next.js, integrate APIs and AI models, optimize applications, and collaborate with teams to shape frontend architecture. | Strong React, JavaScript, TypeScript, Next.js, HTML, CSS, responsive design, API integration, frontend architecture skills, with attention to UI quality and product ownership. | Frontend Software Engineer We’re looking for a Frontend Software Engineer to build and ship products with our team. You’ll work closely with product and design to turn ideas into fast, polished, production-ready web experiences. You’ll have high ownership, move quickly, and help shape products from prototype to launch. Our main stack is React, Next.js, TypeScript, and modern web technologies. What you’ll do Build and ship frontend products from scratch Develop high-quality web experiences with React and Next.js Turn product and design ideas into polished, responsive interfaces Build reusable components and frontend systems Integrate APIs, AI models, and third-party services Optimize applications for performance, accessibility, and reliability Work closely with product and design Prototype, test, iterate, and ship quickly Maintain and improve production applications Help shape the frontend architecture as the products grow What we’re looking for Strong experience with React Strong JavaScript / TypeScript skills Experience with Next.js and modern frontend development Strong understanding of HTML, CSS, responsive design, and web standards Experience building and shipping production web applications Good understanding of APIs and frontend architecture Strong attention to detail and UI quality Comfortable working independently and taking ownership Strong product sense and curiosity Someone who enjoys building from zero to one Nice to have Experience building AI/LLM products Experience with Tailwind CSS or similar UI systems Experience with frontend performance optimization Experience with cloud platforms and deployment Experience building consumer products Open-source contributions Strong personal projects or shipped products What you’ll get Fully remote High ownership Work directly on new products from day one Small, fast-moving team Close collaboration with product and design Freedom to experiment and ship The opportunity to build products used by real users