Senior Frontend Software Engineer - Typescript | React | NextJS

Rebet is a cutting-edge social “sportsbook” that revolutionizes play-for-fun sports predictions by integrating them into a social gaming environment. With a unique blend of promotional play and loyalty rewards, we offer sports enthusiasts a dynamic platform to earn prizes while participating in sports games! We create a social atmosphere throughout the application by allowing users to bet directly against one another and enjoy a full scale social media platform!

s a Senior Frontend Software Engineer, you’ll play a critical role in shaping the core product platform at ReBet. This platform powers our sportsbook and casino experiences, ensuring a seamless, engaging, and high-performing user journey. You’ll translate product and design concepts into clean, production-ready code while building scalable systems that serve as the foundation for our growth. This role is ideal for someone eager to influence product direction, iterate quickly, and deliver experiences that reach thousands of users from day one.

Key Responsibilities

• Build and maintain user-facing features in React and TypeScript, optimizing for responsiveness, performance, and cross-device compatibility.
• Collaborate with designers and backend engineers to deliver polished interfaces and intuitive user flows that scale with our product.
• Establish and maintain a reusable component library and design system to accelerate development and ensure consistency across the platform.
• Lead technical discussions on frontend architecture, performance tuning, and best practices to support a rapidly evolving product.
• Contribute ideas that shape product direction and deliverables, balancing speed with quality in a fast-paced startup environment.

Qualifications

• Strong proficiency with React, TypeScript, and modern frontend tooling.
• Experience designing and implementing complex product flows and interactive user interfaces.
• Demonstrated ability to think about scalability, maintainability, and performance in frontend architecture.
• Proven track record of ownership across the full feature lifecycle in dynamic, startup-like environments.

This position is onsite at our Boston HQ located next to South Station.