This is a remote position. Observability Development (PID0645) ESL | Contract / Freelance Contract / Freelance Full-time Remote with travel readiness required (Germany) Start: 01.07.2026 About the role We are seeking a Middle-level Observability Developer to join the ESL Product Line of a large internal platform programme in the energy sector. You will develop Go-based modules for a multi-tenant private cloud environment, contributing to the centralised observability services that underpin the platform's telemetry, monitoring and alerting capabilities. What you'll be doing Developing Go-based modules for a multi-tenant environment, implementing functionalities for resource allocation, service initiation and process termination Writing and executing functional tests to verify correctness and performance of modules Contributing to end-to-end testing for integration and overall functionality Engaging in debugging and troubleshooting to maintain system reliability Participating in code reviews to maintain coding standards and overall code quality Creating and maintaining CI/CD pipelines for automated build, test and deployment processes

Requirements

What you'll need Minimum 3 years of software development experience in Go, C/C++ or Python, with significant experience building RESTful services in distributed environments; willingness to use Go exclusively for core component development Deep experience in operational workflows and observability across the telemetry data lifecycle in cloud environments Strong system programming skills including low-level interactions, memory management and performance optimisation Thorough knowledge of containerisation and Kubernetes, including CRDs, CRs, packaging and deployment customisation Experience setting up and managing CI/CD pipelines using GitLab, Jenkins, Tekton, Argo Workflows and Argo CD Experience with GitOps/IaC practices Experience with common hyperscalers including GCP Experience writing and maintaining unit and integration tests within automated test frameworks Strong understanding of networking concepts including protocols, load balancing and security Fluent English (C1 minimum) Desirable Project experience with observability tools including Grafana, Loki, Mimir, Prometheus and OpenTelemetry Collector, from both usage and setup/configuration perspectives

Benefits

As a freelancer / contractor with us, you will enjoy flexible working hours and the freedom to choose your own projects. Our platform gives you access to exciting projects in various industries and supports you in advancing your career. You'll benefit from competitive pay and a dedicated team to help you with any questions you may have. Work independently and utilise our strong network to achieve your professional goals.