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C# Software Engineer Full Stack

Job in Sunderland, Tyne and Wear, CA13, England, UK
Listing for: TESOL International Association
Full Time, Part Time position
Listed on 2026-01-27
Job specializations:
  • Software Development
    C# / Unity Developer, Full Stack Developer, Software Engineer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 55000 GBP Yearly GBP 55000.00 YEAR
Job Description & How to Apply Below

Overview

Job Title:

C# Software Engineer / Developer (.Net Core React AWS) – Sunderland / WFH to £55k

Opportunity to progress your career in a senior, hands-on role at a growing games / gambling site, with a range of benefits and perks. You will work in a platform team building real-time payment systems and integrations that handle large volumes of transactions. The role focuses on backend C# .Net Core but involves exposure to the full tech stack (JavaScript / React) within an AWS cloud-based environment using Docker, Terraform (IaC), Team City, SQL and Redis.

You will contribute to technical discussions within a collaborative Agile team.

Location / Working Arrangements

There is a hybrid work-from-home policy with 2-3 days in the office. When onsite, you will be in Sunderland in a relaxed environment with facilities and perks including free meals at the onsite restaurant and gym membership.

About You
  • You have C# .Net Core backend development experience
  • You have experience building scalable, reliable and secure web applications using modern techniques
  • You have experience implementing frontend applications and have some JavaScript / Type Script or React experience
  • You have a good knowledge of AWS
  • You are collaborative with great communication, mentoring and leadership skills
What's in it for you

As a C# Software Engineer / Developer you will receive a competitive package:

  • Competitive salary to £55k + quarterly bonus
  • Holiday purchase scheme, plus an extra day for every year there (up to
    5)
  • Pension, Private medical care
  • Onsite gym
  • Onsite restaurant with free breakfast, lunch, snacks and drinks
  • Free inner city parking
  • Free tickets to EFL matches
  • Hybrid working (x3 days a week in the office)
  • Family friendly policies
  • Social events and more
Next Steps

Apply now to find out more about this C# Software Engineer / Developer (.Net Core React AWS) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

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