Senior Java or Kotlin Engineer

Employer: Swiss IT CompanyRate: 6000 - 8500 Eur net per monthCooperation model: B2BStart date: ASAPRecruitment process: 3 steps (pre - screening, technical interview, technical task)Technology stack: Java or Kotlin, Kubernetes, Docker, Jenkins, Gitlab, AI Tools, AWSTeam: 20-person Scrum team responsible for separate microservices We are currently looking for a Senior Backend Developer based in Poland (preferred locations: Wrocław, Poznań or fully remote). In this role, you will contribute to the design and implementation of strategic backend components within a high-performance financial technology platform. You will work on infrastructure responsible for order management, execution logic, smart routing mechanisms, and event-driven business services in a cloud-native environment. This is an opportunity to join a fast-growing, product-driven fintech organisation operating in a technically demanding domain with strong market demand and long-term growth potential.Your role is:-> Designing and implementing new releases of a core trading platform-> Contributing to architecture decisions around:low-latency order managementexecution algorithmsmart order routingevent driven and distributed systems-> Engineering and operating distributed services in cloud environments-> Collaborating closely with Product, Engineering Leadership, and cross-functional teams-> Ensuring solutions follow current industry best practices and architectural standards-> Designing with security, authentication and authorization in mind Your skills and experiences:-> Bachelor’s degree in Computer Science, IT or equivalent practical experience-> Experience with container orchestration (Docker and Kubernetes)-> 6+ years of experience in Java and/or Kotlin-> Solid understanding of monitoring, observability and diagnostics tooling-> Strong knowledge of cloud platform AWS -> Experience with CI/CD pipelines and automation-> Knowledge of microservices architecture and the ability to work within a distributed system environment-> Proven competence in messaging systems and distributed caching-> Strong spoken and written English (min B2) Nice to have:+ Experience with reactive programming patterns+ Strong clean-code mindset and experience with test automation Our client offers:+ Great opportunity for personal development in a stable and friendly large multinational company+ Frequent company events+ Flexible working hours If interested, please apply safely through this portal (application rules are in accordance with GDPR). Employment agency Nr 17138.