Senior Go Backend Engineer — Cloud-Native & Internal Tools

7N Sp. z o. o.; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Job summary

7N Sp. z o. o. in Poland is seeking an experienced Go Developer to build scalable backend services and internal tooling. You will work in an international team, focusing on Go-based development, cloud environments, and CI/CD pipelines.

The role involves designing APIs, improving software delivery, containerization with Docker, and collaborating with platform engineers. Requires 4+ years of professional software development and strong Go skills; experience with Linux, Kubernetes a plus.

Qualifications

• 4+ years of professional software development experience.
• Strong Go (Golang) programming skills.
• Experience designing backend services, APIs, or engineering tools.
• Experience with Linux environments.
• Familiarity with containerized development.
• Understanding of CI/CD concepts and modern development workflows.
• Excellent communication for international teams.

Responsibilities

• Design and develop backend services and internal tools using Go.
• Build scalable, maintainable, and high-quality software solutions.
• Collaborate with architects, platform engineers, and software developers across multiple teams.
• Participate in code reviews and contribute to engineering best practices.
• Support automation initiatives improving software delivery processes.
• Work with containerized applications and cloud-native environments.
• Contribute to CI/CD improvements and development tooling.
• Troubleshoot and resolve application issues in production and non-production environments.

Skills

Go

Linux

Docker

CI/CD

Kubernetes

Cloud platforms

GitLab CI

GitHub Actions

Jenkins

Azure DevOps

Tools

GitLab CI

GitHub Actions

Jenkins

Azure DevOps

Job description

7N Sp. z o. o. in Poland is seeking an experienced Go Developer to build scalable backend services and internal tooling. You will work in an international team, focusing on Go-based development, cloud environments, and CI/CD pipelines.

The role involves designing APIs, improving software delivery, containerization with Docker, and collaborating with platform engineers. Requires 4+ years of professional software development and strong Go skills; experience with Linux, Kubernetes a plus.