Java Backend Developer (Java/Python) - Part-Time

Responsibilities

• Design, develop, and maintain backend applications and new features using Java as the primary language, with some modules implemented in Python where applicable
• Build and enhance application components including APIs, services, and automation workflows
• Develop and maintain release pipelines, deployment scripts, and basic CI/CD workflows for new features
• Collaborate with QA/Test Engineers to define test cases, automate test flows, and support blue-green / rolling deployment strategies
• Write clear technical documentation covering application design, development setup, and troubleshooting procedures
• Participate in architectural discussions, code reviews, and continuous improvements in code quality and development standards
• Work closely with cross-functional teams to support feature planning, integration, and system optimisation

Key Requirements

Technical Skills

• Good hands-on experience in Java (Spring Boot as core)
• Additional development experience in Python for tooling, automation, or micro-services
• Good working knowledge of NodeJS or Groovy (optional but beneficial)
• Experience with frameworks/tools such as FastAPI, Celery, Kafka, ActiveMQ, and PostgreSQL
• Familiarity with container technologies (Docker) and orchestration platforms such as Kubernetes or OpenShift
• Experience building and deploying microservices-based applications
• Exposure to IaC/GitOps concepts (e.g. Ansible, Argo CD, CodeBuild) is a plus.

Software Engineering Skills

• Good understanding of modern application development, including microservices, containerisation, and API design
• Experience developing automated pipelines for application releases and basic deployment automation
• Ability to troubleshoot system, application, and integration issues across infrastructure and network layers
• Good documentation practices and ability to explain technical concepts clearly

Nice to Have

• Experience with micro-frontend or distributed application architectures
• Knowledge of Cloud applications (AWS, GCP, Azure)
• Experience in blue-green, canary, or rolling deployment strategies