Senior Kotlin / Java Software Engineer - Client Technology (m/f/x)
Scalable GmbH · Berlin, BE, Germany · Hybrid
Posted Jul 29, 2026
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This role can be based in either Berlin or Munich.
You will join the Client Technology Tribe which provides state-of-the-art security to our clients in all aspects of authentication and to maintain and enhance identification processes through KYC. We ensure a convenient and legally-secure T&C consent process, as well as GDPR-compliant data processing throughout the entire client journey. We are dedicated to developing and maintaining the Salesforce platform to improve our Marketing communication channels and client support process efficiency, and to maintaining and improving our public website.
Client Technology aims to simplify complexity for our clients and continuously improve their experience in any interaction with us. Our ultimate goal is to ensure that Scalable is regarded as the most trusted brand in finance.
 
Work with highly motivated software engineers and academics implementing change in the financial industry
Work with cutting edge technologies and be part of modern software development practices (e.g. agile and self-managed teams, continuous integration and deployment, test automation, cloud-based infrastructure and tooling)
Engage with our cloud-native, DevOps-enabled infrastructure, utilizing AWS services like ECS, Fargate, and Lambda
Write clean, testable, maintainable and well-documented code and treat security as a first class citizen
Bring products to production and reveal real business value
Be able to improve engineering excellence in the team
A university degree in a relevant field of study (Computer Science, Engineering, etc.) or a comparable practical experience
Extensive experience of backend experience in Java/Kotlin, JWT, Docker, Spring, AWS, Git, Docker,  GraphQL, RESTful API, Databases (SQL, NoSQL)
A passion for well architected, testable and documented code and an agile mindset
Strong analytical thinking, both in the technical and in the product domain.
Experience in complex software projects with end-to-end ownership building Microservices
Practical experience in AWS or another cloud provider
Good communication skills that are clear, open and concise, professional proficiency in English
Previous experience with security topics and/or DevOps experience is a big advantage
Background in the financial industry and financial software product development is an advantage
Be part of one of the fastest-growing and most visible Fintech startups in Europe, creating innovative services that have a substantial impact on the lives of our customers
Work with an international, diverse, inclusive, and ever-growing team that loves creating the best products for our clients
Work from our centrally located offices in the heart of Munich or Berlin, nestled in lively neighborhoods filled with vibrant restaurants, cozy cafés, and a wide range of convenient amenities 
Be productive with the latest hardware and tools
Learn and grow by joining our in-house knowledge sharing or career development…