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Senior C#​/.NET Software Engineer; LON

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: McNally Recruitment Ltd
Part Time position
Listed on 2026-10-11
Job specializations:
  • Software Development
    Software Engineer, Senior Developer, Full Stack Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 90000 - 125000 GBP Yearly GBP 90000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Senior C#/.NET Software Engineer (LON)
Location: Greater London

Senior Software Engineer
LONDON (1 day per week; Fridays)
Job role
  • This is a challenging role that will see you be involved in enhancing and modernising a critical front office trading system as the primary objective.
  • With your software development background, you’ll be working with the application team to help define major components of the business-wide target architecture and roadmap.
  • You’ll gain valuable senior stakeholder exposure as well as the opportunity to hone your technical talents and leadership skills.
What you'll do

As a hands-on Senior Software Engineer, you’ll be creating great customer outcomes via engineering and innovative solutions to existing and new challenges, and technology designs which are innovative, customer centric, high performance, secure and robust. You’ll be collaborating with the team lead to deliver significant, complex, and technically challenging assignments.

You’ll also be:

  • Defining, creating, and providing solutions with a focus on end-to-end automation, simplification, resilience, security, performance, scalability, and reusability
  • Working within an application team along with software engineers to design and engineer complex software
    , scripts, and tools to enable the delivery of bank platforms, applications, and services.
  • Influencing the development of strategies and architecture at domain and enterprise levels
    , identifying transformational opportunities for the businesses and technology areas
Skills required:
  • Significant experience in software engineering in C# and .Net database design using Oracle, SQL Server or Postgres
    , and architecture.
  • Experience of developing software within a Dev Ops and Agile framework.
  • An expert understanding of the latest market trends, technologies, and tools.
  • Significant and demonstrable experience of implementing programming best practice
    , especially around scalability, automation, virtualisation, optimisation, availability, and performance.
  • Significant and demonstrable experience of test-driven development and using automated test frameworks
    , mocking, and stubbing and unit testing tools.
  • A background in designing or implementing APIs.
  • The ability to rapidly and effectively understand and translate product and business requirements into technical solutions.
  • Experience in migration of legacy .NET Framework applications to modern .NET platforms is essential.
  • Experience in Cloud platforms like GCP or AWS is essential.

The salary INCLUDES 10% of basic salary as Benefits-as-cash!

Position Requirements
10+ Years work experience
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