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
We take pride in the diverse skills and character of our teams, welcoming everyone to apply and contribute to our collective strength.
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... youABOUT THE ROLEAs a Middle Senior Full Stack Engineer (Java React.js), you will play ... the product. You’ll work end to end in a modern AWS-based ... the implementation and improvement of end-to-end features across frontend and backend ...
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Full Stack Engineer ID48189
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