Senior Backend Kotlin / Java Software Engineer - Client Technology (m/f/x) at Scalable GmbH
May no longer be active — verify on the employer site
At a glance
- Company
- Scalable GmbH
- Location
- München, Germany
- Work arrangement
- Hybrid
- Employment type
- Full-time
- Experience
- 5–10 years
- Working hours
- 40 hours
- Visa sponsorship
- Offered, according to the listing
- Posted
- Added to The Stack
✨ The Stack take on this Scalable GmbH job
- 🏢 Scalable GmbH has 241 jobs here, 239 with visa sponsorship see all
- 🛂 Visa: EU Blue Card. Minimum salary: €50,700 a year guide
- 💡 No salary shown. Ask Scalable GmbH if it is above the minimum.
Updated 2026-11-03, from our data and official sources.
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About the role
Responsibilities:
- Design, implement, and operate secure, reliable, and scalable backend services using Kotlin/Java and cloud-native patterns.
- Build and maintain client-facing systems across authentication, onboarding, consent, engagement, and support tooling.
- Develop REST/GraphQL APIs, ensure strong test coverage, and follow best practices for maintainability and observability.
- Collaborate with product, frontend, and platform teams to deliver features end-to-end and participate in architecture decisions.
- Run services in AWS using modern DevOps practices (CI/CD, Docker, monitoring, incident response) and optimize performance.
Requirements:
- Strong professional experience with Kotlin and/or Java and production microservices (5+ years preferred).
- Proven knowledge of REST/GraphQL APIs, JWT, SQL and NoSQL databases, and cloud services (AWS experience preferred).
- Familiarity with containerization (Docker), Git workflows, automated testing, and DevOps/observability tooling.
- Solid system design, security-aware coding practices, and experience operating services in production.
- Degree in Computer Science or equivalent professional experience.
Responsibilities
You will design, implement, and operate scalable, secure, and reliable services using Kotlin/Java and modern cloud-native technologies. You will collaborate with cross-functional teams to improve client-facing systems such as authentication, onboarding, and engagement platforms.
Requirements
The role requires a degree in Computer Science or equivalent experience along with strong professional proficiency in Java and/or Kotlin. Candidates must have hands-on experience with microservices, AWS, and modern software engineering practices including REST APIs and database management.
Key skills
- Kotlin — in 249 other listings on The Stack
- Java — in 347 other listings on The Stack
- Spring — in 31 other listings on The Stack
- REST APIs — in 63 other listings on The Stack
- GraphQL — in 90 other listings on The Stack
- JWT — in 16 other listings on The Stack
- Docker — in 456 other listings on The Stack
- Git — in 216 other listings on The Stack
- Microservices
- AWS
- SQL
- NoSQL
- DevOps
- Software engineering
- System design
On The Stack (as of 2026-11-03)
Frequently asked questions about Scalable GmbH
Is this Senior Backend Kotlin / Java Software Engineer - Client Technology (m/f/x) role still open?
It was posted on 2026-08-19. Listings more than 30 days old may no longer be active, so check Scalable GmbH's site before applying.
Does Scalable GmbH offer visa sponsorship?
This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Scalable GmbH's site.
Where is this role located?
The listing gives the location as München, Germany. It is marked hybrid.
What skills does this role ask for?
The listing names: Kotlin, Java, Spring, REST APIs, GraphQL, JWT, Docker, Git, Microservices, AWS, SQL, NoSQL, DevOps, Software engineering, System design.