Jobs and Careers
QI

Senior Java Engineer

Qinshift
Spain, Spain, Spainfull_timeVerifiedPosted 15 Oct 2025

About the role

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 you

● University-level degree (at postgraduate level is a plus) in Computer Science, Information Technology, or a
relevant field of study
● 5+ years of proven working experience with at least one Java framework (preferably Spring 4+) and ORM
framework
● Excellent RDBMS skills (design, implementation, migration) working with large amounts of data in
production systems.
● Experience in implementing REST APIs.
● Excellent understanding of concurrency in Java
● Understanding of distributed computing principles and challenges.
● Understanding of how to write clean, maintainable, and secure code as well as guiding the rest of the team
in doing so.
● Experience in implementing REST APIs.
● Experience with OAUTH
● Experience deploying and maintaining production systems
● A strong drive to follow and apply best practices in software engineering
● Experience in Unit tests using JUnit or Spock
● Good understanding of Docker.
● Familiarity with Microservice architecture
● A strong drive to follow and apply best practices in software engineering
● Excellent oral and written communication skills
● Excellent presentation skills
● Excellent command of English language
● Proficient in Java and RDBMS

Nice-to-have skills:

● Experience with K8S
● Experience with at least one of the major cloud providers (ie AWS, GCE, Azure)
● Experience in Automated testing (functional tests and integration tests) and CI / CD.
● Experience with JVM languages other than Java
● Demonstrated ability to write Unit tests using JUnit or Spock
● Good understanding of front-end technologies and frameworks
● Event-driven architecture

This is your role

● Develop high-quality software design
● Identify, prioritize, and execute tasks in the software development life cycle
● Develop tools and applications with clean, maintainable, and secure code and guide the rest of the team in
doing so
● Demonstrate excellent RDBMS skills (design, implementation, migration) working with large amounts of
data in production systems
● Conduct code reviews and provide feedback to help the team keep the code quality high
● Review and debug code
● Implement REST APIs
● Deploy and maintain dev & production systems
● Apply best practices in software engineering
● Write Unit tests

We take pride in the diverse skills and character of our teams, welcoming everyone to apply and contribute to our collective strength.

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Qinshift

View company profile →