Java Software Engineer - Competitive Salary + 20% Bonus

About the Company

Our client is a leading telecommunications provider operating at the forefront of the Internet of Things (IoT) landscape. They specialise in enabling seamless, intelligent connectivity across devices, networks, and industries. By combining advanced cellular, LPWAN, and satellite technologies with scalable IoT platforms, they empower businesses to harness data-driven insights, optimise operations, and deliver innovative connected services worldwide.

Their portfolio covers IoT connectivity, device management, and data orchestration, supporting diverse applications across smart cities, automotive, energy, manufacturing, and logistics. Leveraging the latest in 5G, eSIM/eUICC, and edge computing, they deliver secure, reliable, and flexible solutions that drive digital transformation for global enterprises. Recognised for their commitment to innovation, interoperability, and customer success, our client partners with mobile network operators, enterprises, and technology vendors to build an ecosystem where everything is intelligently connected.

Key Responsibilities:

• Design, develop, and maintain high-quality backend services and APIs using Java 17+
• Work with Spring Boot and Spring Cloud for building scalable microservices
• Implement and optimize data access layers using Hibernate / JPA
• Integrate and manage messaging systems such as Kafka or Rabbit MQ
• Deploy and manage applications in AWS / Azure / GCP environments
• Develop and maintain CI/CD pipelines using Jenkins / GitHub Actions / GitLab CI
• Work with Docker and Kubernetes to containerize and orchestrate services
• Write clean, testable code following TDD and best practices
• Collaborate with frontend, DevOps, and QA teams in an Agile environment
• Contribute to architectural discussions and help shape technical direction

Key Technologies:

• Core Language: Java 17+
• Frameworks: Spring Boot, Spring Cloud, Micronaut or Quarkus (optional)
• Persistence: Hibernate, JPA, PostgreSQL, MySQL, MongoDB
• Messaging & Streaming: Apache Kafka, RabbitMQ
• Cloud Platforms: AWS, Azure, or Google Cloud
• Containerization: Docker, Kubernetes, Helm
• CI/CD & Build Tools: Maven, Gradle, Jenkins, GitHub Actions, GitLab CI
• Testing: JUnit 5, Mockito, Testcontainers, Cucumber
• Version Control: Git, Bitbucket
• Observability: Prometheus, Grafana, ELK Stack, OpenTelemetry

Required Skills

• 3+ years of professional experience in Java software development
• Proven experience with Spring Boot and RESTful API design
• Solid understanding of microservices architecture and distributed systems
• Experience with relational and NoSQL databases
• Familiarity with cloud platforms (AWS preferred)
• Experience working in Agile / Scrum teams
• Strong debugging and problem-solving skills

Preferred Skills

• Experience with GraphQL or gRPC
• Exposure to event-driven architectures
• Knowledge of security best practices (OAuth2, JWT, etc.)
• Familiarity with CI/CD automation and IaC (Terraform, CloudFormation)

Oliver Peters is an Equal Opportunity Employer. We do not discriminate based on race, religion, colour, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, ex-forces status or any other basis. All employment is decided based on qualifications, merit, and business need and we are committed to a fair hiring process.

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