Senior Java Backend Developer

We are seeking an experienced Senior Java Backend Developer with 4+ years of experience in modern Java (Java 25), Spring Boot, and event-driven architectures. The ideal candidate will be a hands-on engineer with a DevOps mindset, capable of translating user stories into well-structured technical tasks and delivering high-quality, well-tested, and maintainable code.

You will collaborate with cross-functional teams to design, implement, and maintain scalable, event-driven applications and services within a fast-paced, dynamic environment. As developers own the full development lifecycle, you will also be responsible for writing comprehensive automated tests and producing clear documentation to support maintainability and collaboration.

Key Responsibilities

• Design, develop, and maintain backend services using Java 25, Spring Framework, and Spring Boot.
• Implement and optimize event-driven systems, with a strong focus on Solace messaging.
• Translate user stories and business requirements into well-defined technical tasks and deliverables.
• Collaborate effectively with frontend teams to integrate APIs and ensure seamless end-to-end functionality.
• Integrate and secure APIs using OAuth and modern authentication standards.
• Work with SQL databases and write optimized queries.
• Utilize Git for version control and participate in peer code reviews.
• Apply a DevOps mindset to ensure smooth CI/CD pipelines, automation, and cloud deployments (preferably Azure).
• Write and maintain automated tests, including unit, component, integration, and end-to-end tests, ensuring high software quality.
• Use Test Containers for building robust, reproducible test environments.
• Document code, APIs, design decisions, and technical processes to support transparency and maintainability.
• Troubleshoot and resolve technical issues in production and non-production environments.

Required

• Java 25
• Spring Framework, Spring Boot
• Event-driven programming (preferably using Solace)
• SQL, JMS, OAuth
• Git, Azure
• Exposure to Kubernetes
• DevOps mindset (automation, CI/CD, monitoring)
• Proven experience writing high-quality automated tests (unit, component, integration, E2E)
• Experience with Test Containers
• Ability to translate user stories into technical implementations
• Strong attention to detail and commitment to producing high-quality, reliable code
• Excellent communication skills and ability to collaborate effectively with diverse, cross-functional teams

Preferred

• Kafka or other event streaming/messaging platforms
• MS Azure Cloud
• Ping Identity or similar authentication solutions
• Docker and containerization experience
• ETL development experience
• Familiarity with Helm, MSSQL, Cosmos DB, MongoDB
• Exposure to workflow systems (e.g., Camunda, Flowable)
• Experience in the healthcare domain
• Exposure to Agentic AI development tools such as Claude Code, GitHub Copilot, or similar AI-assisted coding environments

Personal Attributes

• Strong problem-solving and analytical skills
• Proactive and self-directed, with a focus on continuous improvement
• Exceptional attention to detail and ability to work efficiently in a fast-paced environment
• Collaborative mindset and willingness to share knowledge
• Strong sense of ownership and accountability
• Habit of maintaining clear, structured documentation for future reference and team use

Education

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Why Join Waveum

• Opportunity to work on cutting-edge, event-driven technologies
• Exposure to cloud-native architectures and modern DevOps practices
• Dynamic environment focused on technical excellence, collaboration, and end-to-end ownership