Senior React, Node.js Fullstack Developer

About the Role: At BetSymphony (Symphony Solutions), we are embarking on an ambitious project to revolutionize the online gambling industry. As a Fullstack Developer, you will own the end-to-end delivery of the BetSymphony Backoffice and frontend applications—a mission-critical internal tool used by operators to manage players, trading, promotions, and payments.

What You'll Do

• Develop new features, fix bugs, and resolve technical problems within the existing product.
• Actively leverage AI-assisted tools to improve efficiency across coding, testing, debugging, and other SDLC activities.
• Write unit and integration tests to ensure code correctness and reliability.
• Communicate with team members and the Product team while participating in Scrum ceremonies.
• Mentor middle and junior colleagues as required.

What You Bring

• 5+ years of total software development experience with strong proficiency in TypeScript across both frontend and backend.
• 3+ years of production experience with React, including complex state management (Redux / Redux Toolkit).
• 2+ years of Node.js experience, with hands-on use of Express.js in a production BFF or API layer.
• Experience working in a microservices architecture, Docker, and basic Kubernetes workflows.
• Mandatory: Proven experience using AI-assisted development tools (e.g., Claude, Cursor, GitHub Copilot) in daily work.

Benefits

• Opportunity to work on a cutting-edge platform shaping the future of the online gambling industry.
• Forward-thinking team culture that fully embraces AI-assisted engineering workflows.
• 100% remote flexibility across Ukraine, Poland, or North Macedonia.