CareerPlan

Senior Full-Stack JavaScript Developer – Sports Betting

Sofia, YUGOZAPADENFull-time2026-10-08 → 2026-11-12

Core

Design, develop, and maintain scalable full-stack JavaScript applications for high-performance, real-time sports betting products.

Role type

Senior Full-Stack JavaScript Developer

Builds

Real-time sports betting platforms and backend services

Domain

Sports betting and iGaming

Required skills

JavaScript/TypeScript, React/Next.js, Node.js, REST APIs, WebSockets, PostgreSQL/MongoDB/Redis, Git, CI/CD, AWS/Docker/Kubernetes

Preferred skills

Sports betting/iGaming/fintech domain experience, high-transaction environment experience

Technologies

React, Next.js, Node.js, TypeScript, HTML5, CSS3, PostgreSQL, MongoDB, Redis, AWS, Docker, Kubernetes, WebSockets

Responsibilities

Design and develop scalable full-stack applications, build responsive high-performance user interfaces, develop robust backend services and APIs, work with high-volume real-time data, design and integrate RESTful APIs and WebSockets, contribute to architectural decisions, write clean maintainable well-tested code, identify performance bottlenecks, collaborate with cross-functional teams, participate in code reviews, mentor less experienced developers, troubleshoot production issues, stay up to date with emerging technologies

Seniority

Senior, hands-on IC