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September 1, 2026
Full Stack Developer/Lead (React & Kotlin)
Senior • Remote
180 - 200 PLN/yr
Warsaw, Poland
Apply now
Are you passionate about building modern, scalable applications and working across the entire technology stack? We are looking for a talented engineer with strong expertise in React.js and Kotlin to help design, develop, and deliver innovative digital solutions. This is an exciting opportunity to work in a collaborative environment where your contributions will have a direct impact on product success.
What You'll Do
As a Full Stack Engineer, you will play a key role in developing high-quality applications from concept to deployment.
Frontend Development
- Design, develop, and maintain responsive web applications using React.js, JavaScript, and TypeScript.
- Build intuitive and engaging user experiences with a strong focus on usability and performance.
- Ensure cross-browser compatibility and responsive design best practices.
Backend Development
- Develop, enhance, and maintain backend services and APIs using Kotlin.
- Create scalable, secure, and maintainable solutions that support business requirements.
- Collaborate on system architecture and technical design decisions.
Collaboration & Delivery
- Partner with Product Owners, UX/UI Designers, QA Engineers, and fellow Developers to deliver exceptional products.
- Participate in agile ceremonies, code reviews, and technical discussions.
- Contribute to continuous improvement initiatives and engineering excellence.
DevOps & Cloud-Native Engineering
- Build and maintain CI/CD pipelines to streamline software delivery.
- Deploy and manage applications using Docker and Kubernetes.
- Monitor, troubleshoot, and resolve issues across development and production environments.
What We're Looking For
Required Qualifications
- Proven experience in Full Stack or Web Application Development.
- Strong hands-on expertise in React.js, JavaScript, and TypeScript.
- Solid understanding of HTML5, CSS3, and modern frontend development practices.
- Practical experience in backend development with Kotlin.
- Experience working with CI/CD pipelines and DevOps principles.
- Knowledge of Docker and Kubernetes.
- Proficiency with Git and modern version control workflows.
- Strong analytical, troubleshooting, and problem-solving skills.
- Excellent communication skills and ability to work effectively in cross-functional teams.
- Previous experience in a Technical Lead, Team Lead, or Senior Engineer role, with a proven track record of mentoring developers, driving technical decisions, and leading project delivery.
- Ability to coordinate development activities, provide technical guidance, conduct code reviews, and ensure adherence to engineering best practices.
Nice to Have
- Experience leading distributed or global development teams.
- Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
- Familiarity with microservices architecture and distributed systems.
- Experience with automated testing frameworks and quality assurance practices.
- Understanding of Agile/Scrum methodologies.
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