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Senior Backend Developer

SumsubLondon, United Kingdom
JavaAPIsKafkaMongoDB

You will play a key role in developing and maintaining the infrastructure behind 100+ integrations with external data providers, ensuring that our platform grows fast, reliably, and at scale in the rapidly expanding world of document digitalization.


What you will do

  • Design, build, and optimize backend components powering our external provider integrations
  • Ensure high stability, performance, and observability across a large integrations ecosystem
  • Test driven development and A/B testing
  • Optimization and automation of CI/CD pipelines to increase reliability and deployment speed
  • Monitoring, troubleshooting, and performance tuning of cloud infrastructure and distributed systems

Nice to have

  • Experience implementing integrations using Feign or similar HTTP client frameworks
  • Strong background in building resilient distributed systems

About you

  • Good command of the English language
  • Familiarity with our development stack
  • Understanding of product and a passion for building software that provides a great experience
  • Experience developing clean, high-quality code and automated tests to verify its operation
  • Team player, strong communication skills, and empathy
  • Demonstrated strong analytical and problem-solving skills