Senior Go Engineer

Project overview

SNI is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide.

Responsibilities

Skills:

• Design, develop, and maintain production Go services, high-performance CLI applications, and Linux-based backend components.
• Build, test, and operate custom resources (CRDs) and Kubernetes reconcilers using controller-runtime.
• Develop and maintain integrations within the Terraform provider ecosystem, writing custom provider logic and resource lifecycle management.
• Maintain, refactor, and modernize legacy services, ensuring backward compatibility and operational stability.
• Implement robust unit, integration, and end-to-end tests across all Go codebases to ensure high fault tolerance and observability.
• Participate in design reviews, contribute to architectural discussions, and write clean technical documentation.
• Troubleshoot complex concurrency, memory, and performance issues in distributed containerized environments.
• 5+ years of software engineering experience, with strong hands-on expertise writing idiomatic, concurrent, and high-performance Go (Golang).
• Solid experience building Kubernetes operators, custom controllers, reconciler loops, and CRDs using controller-runtime.
• Strong working knowledge of Linux environments, systems programming concepts, process isolation, and networking fundamentals.
• Practical experience working with Terraform, the Terraform provider SDK/plugin framework, and automated infrastructure provisioning.
• Demonstrated ability to maintain, debug, and safely refactor existing or legacy codebases.
• Solid grasp of containerization and orchestration tooling, specifically Docker and Kubernetes.
• Fluent English communication skills (written and spoken) to collaborate effectively across distributed engineering teams.

Nice to have

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PLGO2611

• Experience with admission webhooks, aggregated APIs, or Kubernetes API machinery internals.
• Familiarity with distributed tracing, OpenTelemetry, and Prometheus metric instrumentation.
• Knowledge of CI/CD pipeline automation for container images and Go binaries using GitHub Actions, GitLab CI, or similar platform

Project details

• Start: flexible
• Remote: remote
• Location: Warszawa, -, PL
• Rate: 150-160 EUR/h