Team Lead FullStack
centrum, Warszawa
Optiveum
Salary up to: $9.500 /month
Location: Warsaw / Hybrid
Employment Type: Full-time
About the Role
We 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 Responsibilities
Technical / 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
Optiveum is a boutique consultancy founded in 2020 with over 20 years of experience by its founders. The company specializes in supporting businesses, particularly from IT and tech industries, in Poland and Central Europe. They offer services such as building teams (mainly IT and sales), go-to-market strategies including digital marketing, sales outsourcing, and legal and tax advisory. Their recruitment services focus on experts and managers, primarily IT and engineers, with a large candidate database. They also provide strategic consulting for market entry and outsourcing services for IT teams, sales, and recruitment process outsourcing.
Team Lead FullStack
Team Lead FullStack
centrum, Warszawa
Optiveum