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# Backend Engineer - Transfers Gateway

- **Company:** Sumup's Engineering
- **Location:** UK
- **Experience:** Expert
- **Salary:** £52,392.0 - £87,360.0
- **Contract:** Temporary contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Cloud Computing, Systems Architecture, Delivery Pipeline, Backend, Containerization, Api Design
- **Published:** July 9, 2026
- **Apply:** https://www.sumup.com/careers/positions/vilnius-lithuania/engineering/senior-backend-engineer-transfers-gateway/8383464002/

## About the Role

* Have experience defining technical approaches for loosely defined problems and driving them to completion.
 * Are comfortable working with cloud-based systems, containerized workloads, and automated delivery pipelines.
 * Have strong experience writing and maintaining automated tests and upholding high code quality standards.
 * Understand system architecture, data modelling, and API design, and can apply these principles pragmatically.
 * Think beyond individual components and understand how backend decisions impact the overall product and user experience.
 * Communicate clearly and work effectively with engineers, product managers, and other stakeholders.

Any of the following would be considered a plus

 * Experience working on banking, payments, or other regulated financial systems.
 * Prior ownership of systems with high operational load, including incident handling and reliability improvements.
 * Proven use of AI-assisted or parallelised AI tooling to improve engineering productivity.

## Description

* Own high availability money movement production services end-to-end, including delivery, observability, maintenance, and operational support.
 * Lead small-to-mid sized initiatives and take responsibility for significant parts of larger team's domain projects.
 * Lead architectural and design decisions, including system design, data modelling, and API boundaries.
 * Improve service reliability and quality through testing, monitoring, alerting, and continuous improvement of delivery pipelines.
 * Operate the systems you build by participating in on-call rotations, incident response, and post-incident reviews.
 * Apply a backend and systems perspective during refinement, identifying risks, dependencies, and technical trade-offs early.
 * Collaborate closely with Product, QA, and engineers across teams to deliver end-to-end transfer and banking capabilities., * Have previously led the implementation of backend services in a modern environment and supported them in production.


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