Middle Full-Stack Engineer (FE)

3Commas is a leading platform for crypto trading automation. We're building a modular SaaS product that helps traders worldwide scale their strategies, automate workflows, and connect seamlessly with exchange APIs. We're looking for a Middle Full-Stack Engineer (Frontend-Focused) with strong React and TypeScript skills who's passionate about creating user-centric, scalable applications. You'll work closely with product designers, backend engineers, and DevOps to deliver polished features — and have the opportunity to contribute to backend development in Ruby on Rails as you grow. Develop and maintain responsive applications using React, TypeScript, and Next.js. Implement intuitive, scalable front-end components based on business requirements and UI/UX designs. Contribute to end-to-end feature development — including backend implementation in Ruby on Rails (with support for knowledge ramp-up). Drive epics from technical design through to production release, ensuring timely delivery. Provide accurate estimates for tasks, considering dependencies and complexity. Break down epics into actionable user stories in collaboration with the engineering manager. Work closely with product designers to implement and maintain consistent, high-quality user experiences. Ensure integration with backend services and APIs in collaboration with backend engineers. Utilize Redux Toolkit and Redux Toolkit Query for effective state management and data fetching. Write clean, maintainable code and comprehensive unit tests using Jest. Participate in early-stage QA processes to ensure product quality ("shift-left" approach). Continuously improve development practices and stay current with modern trends in web development.

3Commas is a leading platform for crypto trading automation. We're building a modular SaaS product that helps traders worldwide scale their strategies, automate workflows, and connect seamlessly with exchange APIs.