# Senior Kotlin / Java Software Engineer - Client Technology (m/f/x) at Scalable GmbH

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> Responsibilities: - Design, implement and operate secure, re

- **Company:** Scalable GmbH (https://jobs.trythestack.co/companies/scalable-gmbh)
- **Location:** München, Germany
- **Work arrangement:** Hybrid
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Java, Kotlin, Spring, REST APIs, GraphQL, JWT, Docker, Git, Microservices, AWS, SQL, NoSQL, DevOps, Security, Software engineering
- **Posted by employer:** 2026-08-19
- **Added to The Stack:** 2026-08-19
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.smartrecruiters.com/ScalableGmbH/744000144248674-senior-kotlin-java-software-engineer-client-technology-m-f-x- (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-kotlin-java-software-engineer-client-technology-mfx-scalable-gmbh

## About the role

Responsibilities:
- Design, implement and operate secure, reliable, and scalable services using Kotlin/Java in a cloud-native environment.
- Own features across authentication, onboarding, consent flows, client engagement and support tooling.
- Build and run services on AWS with modern DevOps practices (CI/CD, containers, observability).
- Write clean, testable and well-documented code with strong security and quality focus.
- Collaborate closely with product, design, QA and other engineering teams to ship improvements.
- Participate in system design, code reviews and on-call rotations as needed.

Requirements:
- Strong professional experience with Java and/or Kotlin and backend frameworks (Spring, etc.).
- Experience with cloud-native microservices, Docker, CI/CD and AWS services.
- Proficiency with REST/GraphQL APIs, authentication patterns (JWT) and secure coding practices.
- Familiarity with SQL and NoSQL datastores and designing scalable data models.
- Good communication skills and experience working cross-functionally.
- Degree in Computer Science or equivalent practical experience preferred.
- Bonus: fintech/banking experience and prior work on client-facing systems.

## Responsibilities

You will design, implement, and operate secure, scalable services using Kotlin/Java and cloud-native technologies to support the client journey. You will also collaborate with cross-functional teams to deliver high-quality product improvements and maintain engineering excellence.

## Requirements

Candidates must have a degree in Computer Science or equivalent experience along with strong professional experience in Java and/or Kotlin. Proficiency in modern cloud-native technologies, microservices, and database systems is required, alongside strong analytical and communication skills.

## FAQ

- **Is this Senior 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: Java, Kotlin, Spring, REST APIs, GraphQL, JWT, Docker, Git, Microservices, AWS, SQL, NoSQL, DevOps, Security, Software engineering.

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