Senior Software Engineer - React | NextJS | Frontend

Job Description

Job Description

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!

As a Senior Frontend Engineer, you will work on a dedicated tead building our KYC and identity verification system to support a safe and trusted experience for our users in a regulated environment. You will help translate our designs into clean, secure, production-ready interfaces. As part of our team, you'll own frontend systems that directly impact user trust, shape a mission-driven product tackling fraud and compliance challenges, and have the opportunity to build fast, ship often, and influence the product from day one.

Key Responsibilities

Develop and maintain user-facing features in React and TypeScript, ensuring performance, accessibility, and reliability across browsers.

Translate product and design specifications into elegant, usable interfaces, collaborating closely with backend engineers and designers to deliver secure flows.

Establish scalable frontend architecture and internal component libraries, with an emphasis on security (login, authentication, form validation).

Contribute to shaping the product experience from the ground up, with opportunities to define best practices and influence technical direction.

Qualifications

Proficiency in React, TypeScript, and modern frontend tooling.

Experience developing secure user flows (e.g., authentication, identity verification, form handling).

Strong design intuition and attention to detail in UI / UX.

Comfort working in fast-paced, ambiguous startup environments with ownership over full feature lifecycles.

Preferred : familiarity with Tailwind, Next.js, Playwright, or testing frameworks; prior experience in identity, fintech, or other security-focused domains; experience building dashboards, SDKs, or B2B interfaces.

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