Senior Kotlin Developer
FE fundinfoGermany2 days ago
Full-timeRemote FriendlyEngineering
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Take ownership of critical backend systems and play a stabilising, high-impact role in shaping scalable, production-grade technology used across a global investment platform.
This is a senior-level opportunity where your technical judgement, ownership mindset, and backend expertise will directly influence system stability, performance, and architectural direction. You will work on meaningful, long-lived services rather than greenfield experiments, collaborating with experienced engineers in an environment that values pragmatic decision-making, calm execution under pressure, and sustainable solutions over over-engineering. The role offers room to deepen your technical breadth, contribute to architectural discussions, and act as a trusted technical anchor within the team.
Your key responsibilities as a Senior Kotlin Developer will include:
You will join a collaborative, experienced engineering team that values ownership, clear communication, and pragmatic problem-solving. The environment supports flexible and hybrid working, encourages knowledge sharing, and provides opportunities to influence technical direction without unnecessary hierarchy. Learning is embedded into everyday work, with space to grow both technically and professionally while contributing to systems that matter.
Apply now, and we'll aim to get back to you with feedback within 5 working days.
This is a senior-level opportunity where your technical judgement, ownership mindset, and backend expertise will directly influence system stability, performance, and architectural direction. You will work on meaningful, long-lived services rather than greenfield experiments, collaborating with experienced engineers in an environment that values pragmatic decision-making, calm execution under pressure, and sustainable solutions over over-engineering. The role offers room to deepen your technical breadth, contribute to architectural discussions, and act as a trusted technical anchor within the team.
Your key responsibilities as a Senior Kotlin Developer will include:
- Owning, developing, and stabilising core backend microservices to ensure reliability and scalability in production environments.
- Optimising performance of existing services and processes, with a strong focus on efficiency and long-term maintainability.
- Contributing to system architecture, technical decision-making, and thorough pull request reviews to uphold engineering standards.
- Participating in 2nd and 3rd level support, including root cause analysis and operational problem-solving.
- Working closely with other engineers to ensure high-quality delivery across backend services and, where required, occasional frontend tasks.
- Supporting the ongoing operation of production systems through monitoring, analysis, and continuous improvement.
- You bring several years of experience as a senior backend engineer, with confidence operating and improving production systems.
- You have strong hands-on experience with Java or Kotlin, ideally using Spring Boot in a microservices environment.
- You demonstrate deep expertise in MongoDB or NoSQL technologies, including aggregations and performance-focused data modelling.
- You apply strong algorithmic thinking with a clear focus on scalability, performance optimisation, and sustainable solutions.
- You are comfortable taking ownership, performing root cause analysis, and contributing calmly and effectively during production incidents.
You will join a collaborative, experienced engineering team that values ownership, clear communication, and pragmatic problem-solving. The environment supports flexible and hybrid working, encourages knowledge sharing, and provides opportunities to influence technical direction without unnecessary hierarchy. Learning is embedded into everyday work, with space to grow both technically and professionally while contributing to systems that matter.
Apply now, and we'll aim to get back to you with feedback within 5 working days.
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