Senior Full-Stack Developer (React / Node.js / React Native)

We are looking for an experienced Full-Stack Developer to join our growing team and play a key role in expanding our product ecosystem. You will work across web and mobile platforms, contributing to both front-end and back-end development while helping shape scalable architecture for future growth. This role is ideal for someone who is technically strong, business-aware, and comfortable contributing not only to development but also to technical analysis and presales activities. Responsibilities Build, maintain, and scale web applications using React and Node.js Develop and maintain mobile applications using React Native Work across front-end and back-end layers, including APIs, integrations, and database design Analyze existing assets, documentation, and designs to define technical solutions Support presales activities by contributing to technical analysis, estimations, and solution proposals Participate in preparing offers, validating feasibility, and shaping technical scope Design scalable, secure, and maintainable system architectures Collaborate closely with stakeholders, designers, and business teams Leverage AI tooling such as GitHub Copilot, Claude Code, Cursor, and similar agentic AI development tools to enhance productivity and accelerate delivery Operate independently in a remote, fast-paced environment Requirements Proven experience as a Full-Stack Developer Strong hands-on expertise with React, Node.js, and JavaScript (ES6+) Solid experience with React Native for mobile development Experience designing and consuming REST APIs Strong understanding of application architecture and scalability Experience analyzing documentation, designs, and technical assets Exposure to presales, technical estimations, or solution design is a strong plus Excellent English communication skills (B2 or above) Ability to work remotely, proactively, and independently Availability within European time zones High proficiency with AI development tools (Copilot, Claude Code, Cursor, or similar) is strongly preferred Nice to Have Experience contributing to technical proposals or RFPs Experience in client-facing technical discussions Familiarity with cloud environments (AWS, Azure, or similar) Understanding of DevOps workflows and CI/CD pipelines Benefits 100% remote cooperation within Europe Flexible working structure Opportunity to shape products from early growth stage Involvement in both technical and strategic discussions Supportive, collaborative environment Competitive compensation aligned with your seniority #J-18808-Ljbffr