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.

Tasks - 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