Backend Developer

Backend Developer

Warsaw, Poland

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4 March, 2025

Warsaw, Poland

Warsaw, Poland

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·

4 March, 2026

4 March, 2026

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·

Ongoing

Ongoing

About Company

About Company

AIstats is a fast-growing football tech ecosystem built on cutting-edge big data and computer vision. We are a fully remote global team of 30+ people, with a core hub in Warsaw.

Backed by Google executives and top mobile founders, we have quadrupled our valuation over the past year. Our mission is to elevate the global football experience: helping fans see the game with greater depth and providing professionals with powerful, next-generation tools to analyze every match.

Our Products

Our Products

  • AIstats Mobile App – a consumer product for fans and bettors, which has already reached 100K MAU since its launch in September.

  • AIstats Business Solutions – analytics tools powered by ML models and computer vision technologies, helping clubs and scouts make more informed decisions.

Key Responsibilities

Key Responsibilities

  • Development of new HTTP and WebSocket endpoints with integration of third-party APIs (REST/gRPC/GraphQL - depending on tasks).

  • Writing unit and integration tests to ensure correct operation of APIs, including boundary cases and work with external services.

  • Performing load testing and code profiling to identify bottlenecks and improve performance.

  • Working closely with frontend, analytics and product teams - from discussing specifications to implementing solutions in production.

Requirements

Requirements

Must have:

  • Strong knowledge of Node.js and TypeScript, experience in REST/WebSocket API development.

  • Experience with microservice architecture and interaction between services via RabbitMQ, Redis, TCP connections.

  • Knowledge of PostgreSQL (query writing, indexing, transactions, migrations).

  • Experience with MongoDB and understanding when it is appropriate to use it.

  • Experience with Docker, understanding of how docker-compose works.

  • Understanding of the principles of Nginx as a proxy server (including in the context of WebSocket/HTTPS).

  • Proficiency with Socket.io, understanding of its features (e.g., rooms, reconnect, persistence, etc.).

  • Experience in configuring logging, debugging and profiling backend code.

Will be a plus:

  • Understanding how Billing systems work

  • Experience with Elasticsearch: setting up and using it for full-text search.

  • Load testing skills and tools (e.g. k6, Artillery, autocannon).

  • Understanding and implementation of HTTPS, certificates, working via secure WebSocket.

  • Experience with CI/CD and build automation in a Docker environment.

  • Team development experience: code review, git flow, Jira/YouTrack/Linear.

What we offer

What we offer

  • Fully remote work format and flexible working hours.

  • Competitive salary pegged to USD.

  • 24 days of paid vacation and 15 additional paid days off (including sick leave, personal days and corporate holidays)

  • A friendly communication culture, rapid product cycles, and transparent processes.

  • Dynamic work environment with a team passionate about sports and technology.

  • Opportunities for professional development and career growth.

  • No micromanagement — just trust, ownership, and freedom to experiment.

  • Mentorship and high-quality engineering feedback.

Join our team and help drive innovation in the football industry!

Join our team and help drive innovation in the football industry!

Full-Time

Full-Time

Employment Type

Remote, Warsaw

Work Format

Remote

Remote

Work Format

Why Join Alstats?

Why Join Alstats?

Be part of the future of football analytics and make an impact on the game you love.

Got Questions?

Got Questions?

Got Questions?

Contact us at recruitment@aistats.pro for any inquiries!

Contact us at recruitment@aistats.pro for any inquiries!

recruitment@aistats.pro

recruitment@aistats.pro