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September 1, 2026

Full Stack Developer/Lead (React & Kotlin)

Senior • Remote

180 - 200 PLN/yr

Warsaw, Poland

🚀 Join Our Team as a Full Stack EngineerAre you passionate about building modern, scalable applications and working across the entire technology stack? We are looking for a talented Full Stack 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 DoAs a Full Stack Engineer, you will play a key role in developing high-quality applications from concept to deployment.Frontend DevelopmentDesign, 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 DevelopmentDevelop, 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 & DeliveryPartner 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 EngineeringBuild 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 ForRequired QualificationsProven 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 HaveExperience 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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