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Senior C# Developer .Net Core AWS

Job in Sunderland, Tyne and Wear, CA13, England, UK
Listing for: Client Server
Full Time, Part Time, Seasonal/Temporary position
Listed on 2026-02-25
Job specializations:
  • Software Development
    C# / Unity Developer, Backend Developer
Salary/Wage Range or Industry Benchmark: 75000 GBP Yearly GBP 75000.00 YEAR
Job Description & How to Apply Below

Overview

Senior C# Developer / Software Engineer (C# .Net Core AWS) Sunderland / WFH to £75k

Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing games / gambling site, whilst enjoying a range of benefits and perks.

Responsibilities
  • As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications.
  • Design and develop backend features that interact with the web front end (Type Script, Vue.js) and migrate code from .Net MVC to .Net Core, ensuring it’s reliable, scalable and well documented.
  • Contribute to the planning of technical projects, provide guidance, conduct code reviews and input into technical discussions and decision making.
Location / Working Arrangements

Location / WFH:
There’s a hybrid work from home policy with 2-3 days a week; when you’re in the office you’ll be collaborating with fellow technologists in Sunderland in a relaxed environment in offices with facilities and perks including free meals at the onsite restaurant as well as gym membership.

About you
  • You have strong C# .Net Core backend development experience
  • You have experience of building scalable, reliable and secure web applications using modern techniques
  • You have experience of implementing frontend applications
  • You have a good knowledge of AWS
  • You're collaborative with great communication, mentoring and leadership skills
What’s in it for you
  • Competitive salary to £75k + 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 office)
  • Family friendly policies
  • Social events and more!
Apply and Notice

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

About the employer

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.

Role

Details
  • Seniority level:
    Mid-Senior level
  • Employment type:

    Full-time
  • Job function:
    Engineering and Information Technology
  • Industries:
    Software Development, Computer Games, and Technology, Information and Media

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Position Requirements
10+ Years work experience
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