Java Backend Developer (Mid -Senior Level)

We are looking for a skilled and proactive Java Back-End Developer to join our Integration Platform Team. In this role, you will play a critical part in designing and implementing robust, scalable APIs and Java services aligned with real-world requirements. You’ll be working on cloud-native architectures using modern Java technologies while applying best practices in test automation, messaging, and reactive programming.

This is an excellent opportunity for a mid to senior-level engineer who is eager to take ownership of key development tasks and contribute to building enterprise-grade solutions with minimal supervision. You will receive onboarding and support to familiarize yourself with the working environment.

Your Key Responsibilities Will Be:

• Design and implement Java-based back-end services and RESTful APIs
• Apply Domain-Driven Design principles to structure and organize code within bounded contexts
• Work with messaging systems using Java Message Service (JMS)
• Utilize test-driven development practices and write automated tests using tools such as Groovy Spock and JUnit5
• Apply reactive programming principles in developing scalable and event-driven applications
• Build and deploy microservices using Quarkus or OpenLiberty
• Manage containerized applications and services using Docker and Kubernetes
• Develop and manage efficient SQL queries and integrate with relational databases
• Use IBM API Connect for defining and exposing APIs
• Collaborate closely with other team members and stakeholders while maintaining high coding standards

Requirements

• 4+ years of professional experience in Java back-end development
• Strong proficiency in Java Jakarta Edition, up to version 21
• Experience with build tools such as Gradle
• Familiarity with Java Message Service (JMS)
• Hands-on experience with TDD, especially using Groovy Spock and/or JUnit5
• Understanding of reactive programming and its real-world applications
• Experience with Quarkus and/or OpenLiberty for building microservices
• Knowledge of containerization and orchestration using Docker and Kubernetes
• Proficient in writing complex SQL queries
• Familiarity with IBM API Connect for API management
• Comfortable working independently with minimal supervision, while also being a strong team player

You Will Be A Great Candidate For Us If You:

• Enjoy building scalable, production-grade applications with clean, maintainable code
• Can take initiative and ownership of your tasks with minimal guidance
• Are collaborative and enjoy solving technical challenges alongside peers
• Thrive in environments that follow best practices like TDD, CI/CD, and DevOps
• Value quality, security, and performance in software design
• Are eager to continuously learn and adapt to new tools and technologies

Benefits

Why Join Inventyou?

• Work on impactful international projects
• Collaborate with experienced professionals in the financial tech space
• Develop your skills in a supportive, agile environment