Job Description

This is us

At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job

You will build and stabilize the backend systems that power our product integrations. You’ll work on secure, high-load Java services, design reliable APIs, and contribute to system resilience during critical delivery and stabilization phases. This role is ideal for a senior engineer who values clean architecture, operational reliability, and building backend solutions that scale in real-world environments.

This is you

• Strong Java expertise (17+), experience with Java 21 is a plus

• Spring Boot 3.x (REST controllers, exception handling, configuration)

• API development & integration: REST (OpenAPI/Swagger) and SOAP

• Data processing & integrations: XML parsing, XSD validation, large payload handling

• Idempotent and reliable backend processing

• Security awareness: mTLS fundamentals, secure handling of sensitive data, no PII logging

• Database experience: MS SQL

• Code quality & testing: clean code, unit and integration tests

• Operational mindset: logs, error handling, retries, system stabilization experience

Nice-to-have skills:

• Experience working on enterprise or integration-heavy systems

• Familiarity with regulated or audit-sensitive environments

This is your role

• Implement ICS backend components according to the defined system architecture

• Design and develop REST APIs and server-side integration logic

• Write stable, testable, and audit-ready code

• Participate in UAT support and system stabilization phases

• Analyze logs, errors, and retry scenarios to ensure system reliability

What awaits you at Avenga?

At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.