Software Engineer

Salary: £65,000 - 105,000 per year

Requirements:

• Production experience using C#, .Net, Microsoft SQL Server, and Azure.
• Experience with on-premises to cloud migration.
• Knowledge of API hosting options and preferences.
• Proven experience in maintaining and administering SQL databases.
• Proficiency in test-driven development and automated test frameworks such as NUnit and xUnit.
• Experience with mocking tools such as Moq and unit testing tools such as Coverlet.

Responsibilities:

• Build backend infrastructure for business-critical systems.
• Develop a robust REST API.
• Work with microservices.
• Implement software engineering best practices.
• Create versatile libraries and APIs that can be used across banking operations.
• Engineer software that supports automation in building, releasing, testing, and deploying across environments.
• Champion the use and sharing of platform components and technologies within our software engineering teams.
• Supply essential software components to support the delivery of platforms, applications, and services.

Technologies:

• API
• Azure
• Backend
• C#
• Cloud
• Support
• REST
• SQL
• microservices
• ASP.NET
• TDD

More:

We are an exciting fintech payments start-up/scale-up backed by a prominent UK retail and commercial bank. We focus on delivering cost-effective and rapid payment solutions through handheld card machines, POS systems, and open banking offerings. This is a London/Hybrid role with one day per week in the office, offering the opportunity to work at the forefront of payments innovation alongside talented and experienced engineers, with scope to further develop your skills and progress your career. The role offers a salary of around £75K plus a 20% value add and a discretionary bonus.

last updated 36 week of 2026