Go Backend Developer (+ PHP / Node.js) to $4000

We are looking for a strong backend developer to support and develop a custom-built gambling project in Telegram. The project is live, with real users and real load, so we value not only technical skills but also the ability to understand existing code, architecture, and business logic.

Responsibilities

• Support and development of the backend written in Go
• Working with existing code in PHP and Node.js
• Integration with Telegram API, payment systems, and external services
• Improving system performance, stability, and reliability
• Designing and extending APIs
• Working with databases, queues, and caching systems
• Bug fixing and participation in refactoring
• Collaboration with product, frontend, and DevOps teams

Requirements

• Strong knowledge of Go and commercial development experience
• Hands-on experience with PHP and Node.js
• Understanding of high-load backend system design
• Experience with REST / HTTP APIs
• Solid knowledge of SQL (MySQL / PostgreSQL); NoSQL is a plus
• Experience with message queues (Redis, RabbitMQ, Kafka, etc.)
• Ability to read, understand, and maintain existing code
• Good understanding of backend application architecture

Nice to have

• Experience in gambling / betting / crypto projects
• Experience developing Telegram bots or services for Telegram
• Understanding of anti-fraud systems, payment flows, and balance management
• Experience with Docker and CI/CD pipelines
• Skills in profiling and optimizing Go applications

We offer

• Work on a live product with real traffic
• Influence over technical and architectural decisions
• Flexible remote work format
• Competitive compensation, discussed individually
• Long-term cooperation