Senior Backend Developer

SumsubLondon, United Kingdom2 weeks ago

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

View all remote jobs at Sumsub →

FAQ

Is the Senior Backend Developer position at Sumsub remote?: Yes. This role was posted on Remote Backend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Backend Developer job posted?: This listing was posted on August 13, 2026 and is still open for applications.
How do I apply for the Senior Backend Developer position at Sumsub?: Use the apply button on this page — it takes you directly to the employer’s application page.