R77 is exclusively supporting an exciting opportunity for a Full-Stack Front-End Developer to join a fast-paced product team at the forefront of the sportsbook technology space. This is a hands-on, solo developer role where youll work directly with product leads to build clean, modular front-end features using robust internal APIs.

What Youll Do:

• Take full ownership of standalone sportsbook front-end builds
• Collaborate directly with product teams (outside core R&D) to prototype and deliver features
• Build and maintain scalable, modular UI components from scratch
• Leverage internal APIs for fast and flexible integration
• Work independently with QA support no larger dev team, just you and the product
• Use AI tools to streamline development and automate workflows

Tech Stack & Tools:

• Languages: JavaScript & TypeScript
• Frameworks: React (Front-End), Node.js (Back-End)
• Bonus Skills:
• UX/Design intuition
• Data visualisation
• Experience in the betting or sportsbook domain

What Were Looking For:

• Strong track record of independently delivering front-end solutions
• Deep expertise in React and TypeScript with Node.js experience
• Experience using AI-enhanced development tools
• Passion for writing clean, modular, maintainable code
• Self-starter who thrives in product-driven, fast-moving environments
• Based in Sofia or open to relocating

Why This Role:

• High-impact solo role full control and visibility of what you ship
• Collaborate directly with decision-makers, not layered teams
• Greenfield-style builds and freedom to experiment
• Backed by exclusive support from R77 ensuring a smooth and efficient hiring process