Remote Backend Jobs
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Senior Backend Engineer

SumsubLondon, United Kingdom
UK
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Now we are looking for a Senior Backend Engineer to build and evolve backend services that power our core products.


What You Will Be Doing:

  • Design and develop core platform components, services, and shared libraries that power every product team across the company.
  • Build foundational infrastructure that enables product teams to deliver features faster while maintaining consistency, reliability, and security.
  • Develop security-critical services for protecting sensitive data, secure access, and encryption.
  • Design and optimize high-load distributed systems for image and video processing.
  • Improve the performance, scalability, and fault tolerance of mission-critical platform services.
  • Shape our observability platform by evolving monitoring, logging, tracing, and alerting capabilities.
  • Plan and execute large-scale, zero-downtime data migrations.
  • Expand and improve our multi-region infrastructure to meet latency, availability, and data-residency requirements.
  • Drive architectural decisions and take ownership of platform initiatives from design to production.
  • Work on a diverse set of technically challenging problems spanning distributed systems, infrastructure, security, and developer productivity.

About You:

  • Strong experience with backend development (Java, databases, distributed systems)
  • Confident in system design and building scalable, production-ready solutions
  • Able to work independently and take full ownership of complex tasks
  • Understand performance, reliability, and best practices for backend services
  • Experience working in a product-driven engineering team
  • Comfortable collaborating with other teams and contributing to shared codebases

View all remote jobs at Sumsub

FAQ

Is the Senior Backend Engineer 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 Engineer job posted?
This listing was posted on August 11, 2026 and is still open for applications.
How do I apply for the Senior Backend Engineer position at Sumsub?
Use the apply button on this page — it takes you directly to the employer’s application page.

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