Senior Java Developer

Do you have proven experience as a Senior Java Developer, with a strong background in designing and implementing clean, maintainable, and scalable backend services using Java, Quarkus/Spring, JPA/Hibernate, and SQL? Are you confident navigating the modern backend ecosystem—building robust APIs, ensuring performance and reliability, and collaborating effectively with cross‑functional stakeholders?
Then join us as a Senior Java Developer and play a key role in our mission. Be a part of our team and help us deliver innovative solutions that make a real impact.

At our company, we're on a mission to change the world by revolutionizing the digital landscape. Our cutting-edge web and mobile applications are designed to enhance user experience and improve customer engagement, with quality and security at the core of everything we do.

We’re a fast-growing, purpose-driven scale-up where you’ll make an impact, feel empowered, and thrive in a diverse, innovative environment.

Why SkyCell?

· 🌱 Purpose-Driven Work: Make a real difference by contributing to a more sustainable future in global logistics and healthcare.

· 🚀 Innovation at Heart: Work with cutting-edge technology and be at the forefront of supply chain innovation.

· 🌎 Stronger together: Join a supportive team of talented individuals from over 40 countries, where we work together every step of the way.

· 💡 Growth Opportunities: We believe in investing in our people – continuous learning and development are key pillars of SkyCell.

· 🏆 Award-Winning Culture: Join a workplace recognized for its commitment to excellence with a ‘Great Place to work’ award, as well as a Platinum Ecovadis rating highlighting our sustainability and employee well-being.

What You'll Do:

Our Backend team designs and implements high-quality client-side code, develops scalable, reliable, and secure mobile and web applications, and assures quality via testing and best practices. The team uses modern, standard technology, focuses on security and stability, and is proud to be a great and esteemed counterpart of our development teams.

In this role you'll also:

• Design and implement high-quality server-side code and meet coding standards
• Ensure the best possible performance, quality, and responsiveness of the applications
• Build and evolve services based on Java (Quarkus), JPA/Hibernate and SQL
• Ensure production-grade observability (structured logging, metrics, tracing) and robust error handling.
• Participate in architecture and design reviews; provide hands-on guidance and code reviews for the team.
• Ship continuously in an agile environment with automated testing and CI/CD.
• Troubleshoot production issues and deliver timely fixes with strong root-cause analysis.
• Research, evaluate, and prototype new technologies where they add clear value.
• Actively contribute to the development of the team's coding standards and best practices
• Contribute to technical decision making and strategy for the team and organization.
• Identify and address security vulnerabilities in the system.
• Collaborate with the business analysts for requirements clarification and testers for debugging issues and test case coverage review.
• Write and maintain technical documentation.

What You'll Bring:

• 5+ years of application development experience in Java(11+) back end development
• Strong fundamentals in OOP, concurrency, collections, and JVM internals (GC, memory, threading). Architectural patterns such as event-driven design, CQRS/Saga, DDD, resiliency patterns (circuit breakers) are a plus.
• Practical experience with Quarkus/Spring is a plus (or strong experience in a comparable framework), CDI.
• Experience building RESTful APIs with clear contracts (OpenAPI/Swagger) and versioning strategies. MQ: Apache Kafka (producers/consumers, exactly-once/at-least-once semantics).
• JPA/Hibernate expertise and strong SQL skills and data migration tools (Flyway/Liquibase); experience with relational schema design and query optimization. Previous experience with PostgreSQL (indexing strategies, EXPLAIN/ANALYZE, partitioning) is a plus.
• Solid Docker skills; image hygiene and basic runtime diagnostics. Knowledge of cloud technologies (Azure/AWS/GCP) and Kubernetes is a plus.
• Effective communication in Englishand the ability to collaborate across functions.
• Proficient skills with tools used in software development lifecycle, such as IntelliJ, JIRA, GitHub, Maven, etc. Knowledge of agents and other AI tooling (GitHub copilot) is a plus.
• Experience with modern agile software development (Continuous Integration, Automation Testing). Experience with feature flags, blue/green or canary deployments is a plus.
• Experience catering for non-functional requirements including stability, manageability, scalability, capacity and performance. Performance tooling (Java Flight Recorder, async-profiler) and load testing (k6/JMeter) is a plus.
• Knowledge of Keycloak or another IdP for OIDC and fine-grained authorization is a plus.

What's In It For You?

· ⚡ Flexibility & Balance: Flexible working hours and work-life balance allow you to tailor work to fit your life.

· 🌟 Recognition & Growth: Opportunities for career advancement in a company that values your contributions.

· 💼 Hybrid Workplace: Modern workspaces (in Zurich, Zug and Hyderabad as well as our Skyhub in Basel) and a remote-friendly culture to inspire collaboration amongst a globally diverse team.

· 🎉 Company-wide Events: Join us for company events to celebrate successes, build teams, and share our vision. Plus, new joiners experience SkyWeek, our immersive onboarding program.

· 👶 Generous Maternity & Paternity Leave: Support for new parents with competitive maternity and paternity leave.

· 🏖️ Annual Leave & Bank Holidays: Enjoy a generous annual leave package, plus local bank holidays to recharge and unwind.

Ready to Make an Impact?

We’re not just offering a job; we’re offering a chance to be part of something bigger. At SkyCell, you’ll help build a future where pharmaceutical delivery is efficient, sustainable, and transformative.

Stay Connected with SkyCell

Visit http://www.skycell.ch and explore #WeAreSkyCell on LinkedIn

How to Apply

Simply click ‘apply for this job’ below! We can’t wait to meet you and discuss how you can contribute to our mission! Please note, we are unable to consider applications sent to us via email.

If you have any questions, you can contact our Talent Team (E-Mail schreiben).

SkyCell AG is an equal opportunity employer that values diversity and is committed to creating an inclusive environment for all. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, gender identity, age, disability, or any other legally protected characteristic.

For this position, if you are not located in, or able to relocate (without sponsorship) to one of the above locations, your application cannot be considered.