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Scalable Capital, a leading European fintech platform with over €50 billion in assets under management and 1M+ clients, is seeking a Senior Kotlin/Java Software Engineer to join its Trading Platform team in Munich.
You will be part of a highly motivated, cross-functional team designing, building, and operating business-critical services that power Scalable Capital's trading lifecycle—from order intake and validation through execution, status updates, and post-trade processing. Your responsibilities will include:
• Design and build reliable, scalable, and observable backend services using Kotlin, Java, and Spring Boot in a distributed, event-driven environment
• Develop complex trading workflows and translate them into clear, resilient software models and APIs
• Build integrations with internal platforms and external trading venues, ensuring robust processing of time-sensitive financial data
• Take full ownership from idea to production: contribute to architecture, implementation, testing, deployment, monitoring, and continuous improvement
• Ensure the platform meets high standards for correctness, performance, availability, security, and auditability
• Work in autonomous agile teams using modern practices: code reviews, automated testing, CI/CD, cloud infrastructure, and infrastructure as code
• Raise engineering standards by improving reliability, automation, observability, developer experience, and operational processes
• Collaborate with product, operations, risk, and other engineering teams to solve complex problems
The role offers competitive compensation, relocation support, flexible work arrangements including the opportunity to work from abroad, professional development through in-house knowledge sharing and education budgets, German language classes, and benefits including a company pension scheme, Deutschland Jobticket subsidy (50%), complimentary PRIME+ Broker subscription, and discounted sports activities.
REQUIREMENTS:
• University degree in computer science, engineering, or comparable qualification
• Strong professional experience building production backend services with Kotlin or Java and Spring Boot
• Experience designing and operating distributed, event-driven, high-availability systems with clear API and service boundaries
• Solid understanding of Domain-Driven Design and ability to model complex business workflows in maintainable software
• Demonstrated ability to work on latency-sensitive, high-throughput systems, including performance analysis, monitoring, capacity planning, and failure-mode design
• Experience designing, operating, and optimizing data persistence for backend services, including relational databases (PostgreSQL/MySQL) and NoSQL databases (DynamoDB)
• Strong engineering-quality mindset: clean, secure, testable, documented, maintainable code with ownership of production services
• Familiarity with cloud-native development and operations, ideally AWS, Docker, Terraform, CI/CD pipelines, monitoring, and observability tooling
• Strong analytical skills and clear, audience-appropriate communication with engineering, product, operations, and business stakeholders
• Plus: Experience designing and operating gRPC services, including protobuf-based API design, backward-compatible schema evolution, error handling, and observability
• Plus: Experience with financial-market systems requiring strict operational controls and auditability
