Salary up to: $9.500 /monthLocation: Warsaw / HybridEmployment Type: Full-timeAbout the RoleWe are seeking a Team Lead Full-Stack Developer with strong hands-on capabilities in React and Node.js, who can also lead, mentor, and coordinate the work of a cross-functional engineering Team. You will take ownership of feature delivery, technical architecture, quality standards, and team performance. You’ll be a bridge between planning, execution, and quality, ensuring that the team consistently delivers robust, scalable, and maintainable software.Key ResponsibilitiesTechnical / Delivery Lead the design, implementation, and maintenance of full-stack features using React (frontend) and Node.js (backend) Define and enforce best practices, coding standards, architecture patterns, module boundaries, and reusable components Oversee API design (REST, GraphQL, or similar) and ensure clean separation of concerns Integrate with databases, third-party services, microservices, message brokers, etc. Participate in, or lead, technical design reviews, architecture discussions, and decisions Identify and drive technical improvements, refactoring, optimizations, and performance enhancements Manage build, deployment, CI/CD pipelines, and automation workflows Leadership / Team Management Lead, mentor, and coach a team of developers Promote collaboration, code reviews, knowledge sharing, and continuous learning Plan, coordinate, and prioritize work, including balancing technical debt, new development, bug fixes, and enhancements Estimate effort, allocate resources, set sprint goals, and ensure timely delivery Act as a liaison with product management, stakeholders, design, and operations Ensure quality standards are met — define and track metrics (defect rates, test coverage, velocity, etc.) Facilitate sprint planning, retrospectives, standups, and other agile ceremonies Perform performance reviews, training needs assessments, and provide feedback to team members Required Skills & Experience Proven experience with React.js (hooks, state management, component architecture, performance optimizations) Proficiency in Node.js (Express, NestJS, or equivalent backend frameworks) Strong knowledge of JavaScript / TypeScript (preferably TypeScript) Experience building RESTful APIs, GraphQL or similar Familiarity with databases (SQL / NoSQL), ORM / ODM (e.g. Sequelize, TypeORM, Mongoose) Experience with message brokers, event-driven architecture, microservices is a plus Solid testing skills (unit tests, integration tests, test automation frameworks, mocking) Familiarity with version control (Git), CI/CD, containerization (Docker), orchestration (Kubernetes or equivalent) Good debugging, profiling, and performance tuning skills Exposure to frontend tooling, bundlers (Webpack, Vite, etc.), state management (Redux, MobX, or other) Experience in cloud infrastructure (AWS, GCP, Azure) is beneficial Leadership / Team Lead Skills Previous experience as a team lead or technical lead in software development Strong interpersonal and communication skills — able to interact with technical and non-technical stakeholders Ability to mentor, motivate, and grow team members Preferred / Nice to Haves Experience in full SDLC from concept to production in a fast-paced environment Knowledge of performance, security, and scalability concerns in web applications Familiarity with DevOps practices and infrastructure as code Experience working in fintech, SaaS, or data-intensive domains Exposure to additional languages / frameworks (e.g. Python, Go, Java) Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent experience) 10+ years of professional experience, including min. 2 as a Team Lead Demonstrated track record of delivering production systems and leading technical teams What We Offer Competitive compensation up to 9.500 USD/mth Hybrid work mode / remote flexibility Opportunity to shape architectural decisions and influence the product roadmap A chance to lead cross-functional teams and contribute at both technical and strategic levels Professional development, training, conferences, mentorship Collaborative, innovation-focused environment Access to modern tech stack, tooling, and opportunity to experiment