Senior Java Engineer

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

As a Senior Software Engineer Integration within team, you bring your passion for technology, problem-solving mindset, and technical expertise to deliver scalable and impactful integration solutions.

You thrive in a data-driven environment, collaborate effortlessly across teams, and enjoy mentoring others while continuously learning and adapting. You’ll work on critical systems that power the backbone of our operations, with the freedom to apply innovative thinking and shape how platforms connect.

This is you

• Advanced proficiency in Java, C++, Python, or Node.js, with a proven track record of architecting and building software from scratch
• Hands-on experience deploying integration components via Docker and Kubernetes (including managed cloud services like EKS or AKS)
• Practical experience tracking multi-service transactions using tools like ELK Stack, Splunk, Prometheus, or Jaeger
• Extensive experience with API development, RESTful architectures, and establishing robust API governance models
• Solid command of UNIX operating systems, relational databases, and writing optimized SQL queries

Nice-to-have skills:

• Telco Domain & Security: Strong knowledge of OSS/VAS inventory systems - focusing on SIM, OTA, and number porting solutions, paired with a solid understanding of SIM security protocols and encryption techniques.

This is your role

• Technical ownership and application life cycle management of number porting, and orchestration systems interfacing with our core network systems
• Key technical contributor for multiple projects, which involve vendors and multiple different organizational stakeholders
• Collaborate across internal and external teams to influence and enhance technology direction
• Provide input into solution design, operations, test strategy and technical decisions
• Ensure delivery of high-availability, business-critical systems

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.