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(Senior) Kotlin

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(Senior) Kotlin in Others

  • Scalable Capital GmbH
  • Full time
  • Email
  • Munich, Germany

Responsibilities

  • Design, build, and evolve backend services supporting the trading lifecycle from order intake and validation through execution, status updates, and post-trade processing.
  • Build integrations with internal platforms and external trading venues for robust processing of time-sensitive financial data.
  • Contribute across the full service lifecycle, including architecture, implementation, testing, deployment, monitoring, and continuous improvement.
  • Design and operate reliable, scalable, observable, high-availability services and APIs in a distributed, event-driven environment.
  • Improve reliability, automation, observability, developer experience, and operational processes while maintaining correctness, performance, security, and auditability.
  • Collaborate with product, operations, risk, and engineering stakeholders to model complex trading workflows.

Requirements

  • University degree in computer science, engineering, or a 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 complex business workflow modeling.
  • Experience with latency-sensitive, high-throughput systems, including performance analysis, monitoring, capacity planning, and failure-mode design.
  • Experience designing, operating, and optimizing persistence for backend services using relational and NoSQL databases.
  • Strong focus on clean, secure, testable, documented, and maintainable production code and service ownership.
  • Familiarity with cloud-native development and operations, ideally including AWS, Docker, Terraform, CI/CD pipelines, monitoring, and observability tooling.
  • Strong analytical and communication skills for working with technical and business stakeholders.
  • Experience with financial-market systems requiring strict operational controls and auditability is a strong plus.

Benefits

  • International, diverse, inclusive, and growing team with modern hardware and tools.
  • In-house knowledge sharing, career development sessions, and an individual Education Budget.
  • Free German language classes and international relocation support when required.
  • Opportunity to work from abroad.
  • Attractive compensation package and company pension scheme.
  • Company contribution covering 50% of the Deutschland Jobticket.
  • Complimentary subscription to Scalable Capital's PRIME+ Broker.
  • Flexible and discounted sports activities through Urban Sports Club.

Scalable Capital GmbH

Scalable Capital builds a digital investing and banking platform for retail customers in Europe, combining brokerage (stocks, ETFs, crypto, derivatives), savings plans, and interest-bearing accounts under a full German banking licence. Its business spans Scalable Broker subscriptions and fees, an...

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