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
