(Senior) Kotlin / Java Software Engineer (Application Framework) (m/f/x)

Stellenbeschreibung:

(Senior) Kotlin / Java Software Engineer (Application Framework) (m/f/x)

Position: Full-time

Responsibilities

  • Architect and pioneer the future of microservices at Scalable, focusing on performance, security, and cost‑efficiency
  • Collaborate with cross‑functional teams to identify and understand application requirements for our platform
  • Lead the design and development of "Service in a day" application templates (Spring Boot, Node.js, Python Lambdas), setting the standard for speed and integration across the company
  • Pioneer the adoption and best practices for AI Coding tools to accelerate developer workflows
  • Drive critical technology migrations (e.g., Spring Boot upgrades), centralizing best practices and enabling 40+ application teams
  • Take full ownership of core architectural components and central integration libraries used across all application teams
  • Research and develop service and storage improvements using serverless technologies and optimise our services and CI/CD for scalability, cost and performance
  • Be the central expert for vulnerability analysis of key frameworks (e.g. Spring Boot, Node.js/Next.js, Python Lambdas, Apollo, Express), identifying false positives and creating reusable security solution patterns for our extensive application landscape
  • Mentor and enable our software development teams to foster our DevOps culture by educating them and providing reusable and unified building blocks to improve standardisation, performance and security
  • Stay up‑to‑date with the latest industry trends, tools, and techniques related to application frameworks and best practices
  • Design and implement best practices around application performance and security
  • Take ownership of central services like GraphQL Hive and gateway, Envoy, AWS services (ECS, ElastiCache, Opensearch) and messaging solutions (SNS, SQS, Kafka)

Qualifications

  • Extensive experience in Kotlin/Java (Spring Boot)
  • Experience with AWS and infrastructure as code (preferably Terraform)
  • Solid understanding of scalable system design principles, distributed systems, and cloud technologies
  • General understanding of software systems and how they interact (e.g. microservice architectures, event‑driven architectures)
  • A passion for automating, improving processes and working collaboratively with other developer teams
  • Excellent communication and visualisation skills for complex systems
  • A degree in a relevant field of study (e.g. computer science, engineering, sciences) or equivalent work experience
  • Full professional proficiency in English and the ability to communicate concisely in an international, English‑speaking environment
  • Excellent collaboration skills, with the ability to work effectively in a cross‑functional team environment

Benefits

  • Be part of one of the fastest‑growing and most visible FinTech startups in Europe
  • Work with an international, diverse, inclusive, and ever‑growing team that loves creating the best products for our clients
  • Be productive with the latest hardware and tools
  • Learn and grow by joining in‑house knowledge sharing or career development sessions and allocating an individual education budget
  • Learn and experience German culture first hand by joining free German language classes
  • International relocation support is provided if required
  • Opportunity to work from abroad
  • Benefit from an attractive compensation package and the company pension scheme
  • Monthly contribution of 50% for the ‘Deutschland Jobticket’
  • Complimentary subscription to Scalable Capital's PRIME+ Broker
  • Flexible and discounted sports activities with Urban Sports Club

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EnglishEN: Please refer to Fuchsjobs for the source of your application
DeutschDE: Bitte erwähne Fuchsjobs, als Quelle Deiner Bewerbung

Stelleninformationen

  • Veröffentlichungsdatum:

    10 Mai 2026
  • Standort:

    München

    Einsatzort:

    München, Berlin, Wien, Mailand, London
  • Typ:

    Vollzeit
  • Arbeitsmodell:

    Vor Ort
  • Kategorie:

  • Erfahrung:

    2+ years
  • Arbeitsverhältnis:

    Angestellt

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