Tech Stack
Job Description, Responsibilities & Requirements
About the Position
Staff Software Engineer (Java)
We are looking for a Staff Software Engineer (Java) to join our BUX team based in Amsterdam.
Our engineering team sits at the heart of the company. We have a well-rounded team that cares about building great products that matter. You’ll be part of a modern fintech company where you can try things, break things, fix them, and learn fast. Your work is visible, your input matters, and you help shape both the product and how we build it. We stay close to what’s happening in the world of investing and fintech, and we share what we learn. It’s a place where you can stretch your skills, contribute to something real, and grow alongside people who take their craft seriously and enjoy building things together.
Responsibilities
As a Staff Software Engineer, your job is to lead from the front. This could mean:
- Take project requirements, design solutions, and document them in RFCs (Request for Comments)
- Follow, learn, apply, and advocate for modern software development practices across the team and organisation
- Analyse technical challenges (e.g., scalability), raise awareness of technical debt, and proactively address system issues before they impact users
- Help grow the technical skills of less experienced colleagues and collaborate across teams on planning and execution of broader impact projects
- Discuss technical solutions with Product Owners, support colleagues with complex problems, and diagnose and resolve live user issues or monitoring alerts in a thought-out, planned, and organised manner
Requirements
- Excellent command of Git and collaborative workflows (e.g., GitFlow)
- Excellent knowledge of core system-design concepts and common microservices design trade-offs
- Ability to own, be responsible and accountable for the success of projects where own direct code contribution is combined with mentoring of less experienced colleagues
- Excellent command of Java, Kotlin and the Spring framework ecosystem
- Experience working with transactional Kafka and event-sourcing architectures
- A solid understanding and working knowledge of GCP (with focus on Kubernetes)
- You take initiative and push hard to turn ideas into real results
- You regularly use GenAI tools, stay up to date with new ones, and encourage the team to use them to speed up delivery and improve how everyone works
- A keen eye for detail while always keeping the big picture in mind
- An Agile mindset and working knowledge of the Scrum framework
Nice to Have
- Experience with other cloud platforms
- Familiarity with CI/CD pipelines
We Offer
- International work environment
- Company pension plan
- Flexibility is at our core; we offer a hybrid work environment (1-2 days at the office)
- Working from home allowance
- Mobility benefit
- Gym membership contribution via Urban Sports
- Learning budget and full access to our learning and development platform
- A1 Dutch language course for you (and your partner)
- Delicious lunches at the office
- The possibility to work from abroad for 1 month every 12 months
- Take care of your mental and emotional well-being with unlimited appointments with psychologists or coaches through OpenUp
- Regular team gatherings and fun company events
About the Company
At BUX, we’re committed to making investing accessible and affordable for everyone through our intuitive app. We believe that a diverse team with a range of backgrounds, skills, and perspectives is key to achieving this mission. By embracing diversity, we strengthen our ability to innovate and serve our customers better.
To fully benefit from our diversity, it’s essential that everyone feels safe, included, and valued. We are dedicated to creating a workplace where each of us can bring our full selves to work and contribute to our shared goals.