.NET Software Engineer

Sadler Recruitment Ltd; Swansea; Hybrid; GBP 40,000 - 50,000; Full time

Job summary

A leading technology recruitment firm in the UK is looking for a .NET Back End Engineer to join their team in Swansea. You'll work on back-end systems for secure document sharing and financial workflows, collaborating with a small team in an agile environment. The ideal candidate will have strong experience with C#, ASP.NET Core, and SQL, and be comfortable working independently. This role offers a salary of £40,000 to £50,000, hybrid working, and various benefits including annual leave and a pension scheme.

Benefits

25 days annual leave (+ 8 bank holidays)

Cycle to work scheme

Employee Wellbeing programme

Life Assurance

Pension Scheme

Personal development

Training budget

Qualifications

• Strong commercial experience with C# and ASP.NET Core.
• Building and maintaining APIs and back-end services.
• Confident with SQL.
• Comfortable working in an agile team.
• Able to work independently while collaborating closely with the team.

Responsibilities

• Build and improve back-end services for secure document sharing and financial workflow automation.
• Develop integrations with global banks to ensure data moves securely.
• Support new customer journeys and enhancements to the platform.
• Collaborate closely with the Dev Manager and team.

Skills

C#

ASP.NET Core

SQL

APIs

Agile

Tools

ASP.NET Web API

Microservices

React

Job description

Role: .NET Back End Engineer

Location: Swansea (Hybrid working)

Salary: £40,000 - £50,000 per annum + benefits

If you want to build software thats used by major financial institutions across the world, this is worth a look.

You’ll join a small, trusted engineering team working on secure digital workflows that replace slow, paper-heavy processes for global banks. The work you do will directly reduce fraud, speed up lending decisions and improve customer journeys at scale.

Job Details

You’ll focus on back-end development across a modern C#/.NET environment. The team is three engineers plus a Dev Manager who leads with trust, gives you autonomy and avoids micromanagement. There’s plenty of variety: integrations, new features, system improvements and ongoing customer projects.

Job Responsibilities

• Build and improve back-end services for secure document sharing, digital signing and financial workflow automation
• Develop integrations with global banks to ensure data moves securely and reliably
• Support new customer journeys and enhancements to the platform
• Work on a pipeline of integrations, maintenance, purge work and data extraction projects

Collaborate closely with the Dev Manager, Front End Engineer and QA in an agile environment

Contribute to a culture where ideas are welcomed and engineers are given space to do their best work

Technology Environment

• C#
• ASP.NET Core
• ASP.NET Web API
• SQL
• Microservices
• On-prem and collocated servers
• AI-assisted workflows
• React experience is welcome but not required.

Essential Experience

• Strong commercial experience with C# and ASP.NET Core
• Building and maintaining APIs and back-end services
• Confident with SQL
• Comfortable working in an agile team
• Able to work independently while collaborating closely with the rest of the team

Nice to Haves

• Exposure to React
• Experience in financial services or secure environments
• Background in systems involving secure document handling or workflow automation
• Experience with integrations or data-driven services

Why Join

• Your work will be used by major financial institutions and directly reduce fraud and improve lending speed
• You’ll join a friendly, supportive team with a manager who trusts you to get on with the job
• You’ll work on meaningful problems with clear customer impact
• Variety in your workload and visibility of upcoming projects across Q1 and beyond
• Space to take ownership without red tape or micromanagement

Salary & Benefits

• £40,000 to £50,000
• Hybrid working with preference for someone local to Swansea
• Permanent contract
• 25 days annual leave (+ 8 bank holidays)
• 5 days of unpaid leave can be taken
• Cycle to work scheme
• Employee Wellbeing programme
• Life Assurance
• Pension Scheme
• Perkbox (or similar)
• Personal development
• Training budget