Senior Back-end (Java) engineer
Build technologies that matter
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
We take pride in the diverse skills and character of our teams, welcoming everyone to apply and contribute to our collective strength.
- Locations
- Multiple locations
- Remote status
- Fully Remote
- Technology
- Java
- Seniority
- Senior-level
Your way in starts here
APPLICATION
Send us your application, we are ready to hear your story and explore how we can grow together.
REVIEW
Our team carefully reviews every application with curiosity and care. If your profile isn’t the right fit today, we will keep it in mind for future opportunities that match your skills and ambitions.
TALENT ACQUISITION INTERVIEW
You will meet our Talent team to talk about your goals and learn more about who we are, what we offer, and how we support our people.
TECHNICAL INTERVIEW
Our tech interview is all about diving deeper into your expertise and understanding your strengths, how you solve problems, and how you think – no trick questions, just a meaningful conversation.
CUSTOMER INTERVIEW
For some roles, especially when our clients are closely involved, you might also have a conversation with them – it’s a chance for everyone to align and get to know each other better.
JOB OFFER
If we both feel it’s the right match, we will send you an offer to join us. And even if it’s not the time just yet, you’ll always hear back from us.
WELCOME!
Your new team is excited to meet you, support you, and build something great together. Let’s make your first day the start of a journey that shapes a career that matters.
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