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