Backend Engineer (Go or PHP) for Scalable Microservices

SmartRecruiters, Inc.; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Job summary

Sportradar seeks a backend developer to build and maintain high-performance services in PHP or Go. You will work on microservices with REST, gRPC, and GraphQL APIs, ensuring reliability, scalability, and observability across complex systems.

Impactful work includes designing robust architectures, applying TDD, and collaborating with global teams in a fully office-based setting. The role emphasizes in-person collaboration and fast decision-making to drive innovation.

Qualifications

• Backend development experience with PHP or Go (2+ years).
• Knowledge of software architecture principles and design patterns.
• Understanding of microservices, distributed systems, and APIs (REST, gRPC, GraphQL).
• Hands-on experience with SQL, NoSQL, and queue systems.
• Understanding of system monitoring and observability tools (Prometheus, Grafana, Loki, New Relic).
• Practice TDD and pair programming.
• Familiar with GitLab CI/CD workflows.

Responsibilities

• Develop and maintain services used by internal users and external clients.
• Ensure code is efficient, reliable, clean and maintainable under high traffic and performance requirements.

Skills

PHP

Go

Microservices

SQL

NoSQL

REST

gRPC

GraphQL

Prometheus

Grafana

Loki

New Relic

TDD

GitLab CI/CD

Tools

Docker

Kubernetes

GitLab CI/CD

Prometheus

Grafana

New Relic

Job description

Sportradar seeks a backend developer to build and maintain high-performance services in PHP or Go. You will work on microservices with REST, gRPC, and GraphQL APIs, ensuring reliability, scalability, and observability across complex systems.

Impactful work includes designing robust architectures, applying TDD, and collaborating with global teams in a fully office-based setting. The role emphasizes in-person collaboration and fast decision-making to drive innovation.