K8s/IaaS Developer

Conexus are partnered with a leading utilities client that are developing a brand new internal Software platform. On that basis, we are searching for freelance K8s/IaaS Developer to join them in Berlin, Germany.

Key Responsibilities:

• Contribute to the creation of Go Lang-based modules for a private cloud Kubernetes service, resource management, and lifecycle management of relevant services in a multi-tenant environment.
• Write and execute unit tests, integration tests, and contribute to end-to-end tests for developed code. Engage in debugging and troubleshooting to ensure robust functionality.
• Assist in the development and maintenance of CI/CD pipelines to streamline the software development process.
• Participate in code reviews to uphold coding standards and ensure high-quality code delivery.
• Work closely with DevOps team members, infrastructure teams, and others. Ensure that all developed services are thoroughly documented.
• Implement and uphold security best practices within the Kubernetes environment. Collaborate with security teams to address vulnerabilities and apply necessary security patches.

Skill Requirements:

• Minimum of 5 years of software development experience, particularly in Go Lang, C/C++, or Python, with significant experience in building RESTful services. Candidates must be willing to use Go Lang exclusively for developing core components.
• Strong system programming skills, including proficiency in low-level interactions, memory management, and performance optimisation.
• Thorough knowledge of containerization and container management with Kubernetes, including packaging applications and customising deployments.
• Experience in developing Kubernetes-native operators (kubebuilder) and managing resources within the Kubernetes resource model (CRDs, CRs).
• Understanding and experience with asynchronous programming.
• Hands-on experience with various relational and non-relational database technologies such as PostgreSQL, Kafka, Neo4J, and others.
• Experience with common hyperscalers like GCP and others.
• Ability to set up and manage CI/CD pipelines using tools like GitLab, Jenkins, Tekton, Argo Workflows, and Argo CD, as well as hands-on experience with GitOps/IaC practices.
• Proficiency in writing and maintaining unit and integration tests and incorporating them into automated test frameworks.

Language Requirements:

• Strong command of English, both spoken and written (minimum C1 level).

Preferred Skills:

• Deep understanding of networking concepts, including protocols, load balancing, and security.
• Knowledgeable in using message bus systems like RabbitMQ and Apache Kafka for asynchronous communication in distributed systems.
• Proficiency in German or Ukrainian, both spoken and written (minimum C1 level), is a plus.

If this role is of interest, pelase respond with your latest CV.