Software Engineer (Java, Node.js & Kubernetes)

A hands-on individual contributor role within the Platform Team, responsible for backend application development, system integration, Kubernetes operations and maintenance of shared platform components. Responsibilities · Design, develop and maintain backend applications, REST APIs and microservices using Java (Spring Boot) and Node.js. · Write clean, secure, well-tested code and participate in code reviews and solution design. · Containerise applications using Docker, Podman, Containerd ; prepare and maintain Kubernetes manifests and Helm charts. · Deploy, monitor and troubleshoot applications on Kubernetes, including pods, services, ingress, DNS, networking, certificates and storage. · Support Kubernetes cluster bootstrapping, upgrades and patching. · Support CI/CD pipelines (GitLab CI, Ansible/AWX), incident investigation and vulnerability remediation. · Maintain technical documentation, deployment procedures and operational runbooks. Platform Technologies - Kubernetes · MetalLB · Prometheus/Grafana/Alertmanager · Kyverno · Calico · NGINX Ingress · cert-manager · HashiCorp Vault · External Secrets Operator · Rook-Ceph · RabbitMQ/MQTT · Container registries · Centralised logging · Backup tools Requirements • Strong Java (Spring Boot) and Node.js/TypeScript development experience. • Experience with REST APIs, microservices, relational databases and SQL. • Solid understanding of Docker/Podman, Kubernetes concepts and resources (Deployments, StatefulSets, Services, Ingress, ConfigMaps, Secrets, PVs). • Proficiency with Git, branching workflows and code reviews. • Basic Linux administration, shell scripting and networking fundamentals (HTTP/S, DNS, TCP/IP, TLS). • 3 to 6 years of relevant experience. • Background in in Computer Science, Software Engineering, IT or related field. • Practical Kubernetes exposure. Preferred Experience - Helm · GitLab CI/CD · Ansible/AWX · Prometheus/Grafana · MQTT/RabbitMQ · On-premises or air-gapped Kubernetes · Kubernetes security and secrets management · Production incident support