Senior Software Engineer (Java/Scala)

Overview

At QIAGEN, we are driven by a simple but powerful vision: making improvements in life possible.

We’re dedicated to revolutionizing science and healthcare for the better. From our entrepreneurial roots to our current global presence, we've grown into a force for positive change. With thousands of employees across six continents, collaboration is our greatest strength. We’re always striving to identify talented individuals to join our exceptional teams.  
 
We have played a pivotal role in shaping modern science and healthcare, and we're just getting started. If you're someone who thrives on new challenges, values diversity and wants to make a tangible difference in people's lives, then QIAGEN is the place for you.

At QIAGEN, every day is an opportunity to make a real-life impact.

Join us, grow with us, and together, let's shape the future of biological discovery.

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About the opportunity

As a Senior Software Engineer, you will take ownership of building and evolving server-side systems and data-intensive services, primarily using Scala. You will work on a meaningful product with an impact on healthcare and diagnostics, developing distributed systems, APIs and processing pipelines that support complex clinical and research workflows. Rather than building simple CRUD services, you will tackle complex, non-trivial back-end challenges where scalability, correctness, performance and reliability are critical in a regulated domain. You will have a high level of ownership and the opportunity to influence system architecture, technical direction and key engineering decisions. Exposure to Scala, functional programming or Python is a plus, as parts of our back-end ecosystem use these technologies. You will also contribute to mentoring and raising back-end engineering standards across the team.

Your tasks

- Design, build, and maintain scalable back-end services using Scala
- Develop and evolve APIs and services supporting data-intensive workflows
- Work on distributed systems and asynchronous processing pipelines
- Ensure performance, reliability, and scalability of back-end components
- Collaborate closely with product, front-end, data, and DevOps teams
- Drive back-end architecture decisions and best practices
- Write high-quality, well-tested, and maintainable code
- Review code and mentor mid-level engineers
- Contribute to technical discovery, estimates, and feasibility discussions

Your profile

- 5+ years of professional software development experience, with strong hands-on experience using Java in production systems (Java 8/11/17+).
- Solid understanding of object-oriented design and software architecture principles.
- Experience building and operating distributed back-end systems, including concurrency, asynchronous programming and data processing.
- Strong experience designing and consuming REST APIs; GraphQL experience is a plus.
- Solid knowledge of back-end testing practices (JUnit, Mockito or similar), alongside SQL and NoSQL database experience.
- Strong experience with Git workflows and code reviews.

Nice to have

- Functional programming experience, ideally with Scala, including exposure to Akka, ZIO, Cats or other Scala ecosystem tools relevant to existing Scala services.
- Working knowledge of Python for scripting, automation or data processing, alongside experience with event-driven or streaming architectures.
- Familiarity with cloud platforms (AWS/GCP), containerised deployments and CI/CD practices.
- Experience working in distributed international teams, with exposure to healthcare, biotech or other regulated software domains.

What we offer

- Bonus/Commission

- Local benefits

- Referral Program

- Volunteer Day

- Internal Academy ( QIALearn )

- Employee Assistance Program

- Hybrid work (conditional to your role)

Our people are the heartbeat of everything we do. Passion drives us as we push boundaries to innovate and evolve. We inspire with our leadership and make an impact with our actions. We cultivate a collaborative, supportive environment where each individual and team can flourish. We champion accountability and encourage entrepreneurial thinking.

QIAGEN is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, or disability.