C# Software Engineer

6 days ago


London Area, United Kingdom Vallum Associates Full time £90,000 - £110,000 per year

C# Software Engineer - Financial Services - C#, .NET Core

  • Permanent role
  • £90,000 - £110,000 base + 15% Bonus
  • Hybrid - Three days per week in the London office

C# Software Engineer

  • The ideal Software Engineer candidate will have had exposure working in financial services technology.
  • Must have strong C#, .NET, .NET Core, AWS experience
  • Any knowledge of accounting principles or the trading lifecycle would be beneficial.
  • A good understanding of strongly typed languages and experience building commercial software products.
  • Previous experience or a keen interest to leverage cloud services and open-source libraries to build resilient and reliable systems. Whilst remaining hands-on to maintain existing codebase, you would be taking on initiatives on designing, planning, and implementing new features.
  • Key technologies are C# (.NET Core), NUnit and a Postgres persistence layer, hosted in Kubernetes and Docker on AWS.

The role will give you the opportunity to learn about and contribute to a cutting-edge software development techniques and algorithms, and exposure to both buy-side and sell-side financial service models. You will also be interacting directly with their clients, ranging from small startup hedge funds to multi-national financial services providers, to design and implement software solutions for a range of business problems. We are looking for C# Software Engineers to join the team and contribute to our Fund Accounting offerings. In this role you'll take ownership of the full software development lifecycle, from gathering requirements, designing, planning, and implementing the features in these applications using cloud services and open-source libraries. Such technologies include .NET Core, AWS, Postgres.


  • C++ Software Engineer

    13 hours ago


    London Area, United Kingdom Miller Maxwell Ltd Full time £80,000 - £120,000 per year

    C++ Software Engineer – STL – UNIX - London Miller Maxwell is assisting a Tier-1 electronic trading organisation that is expanding its team as part of their 2026 growth plan. They seek a talented C++ Software Engineer to join the client's London team. This role will be a key contributor to the enhancement of their electronic trading ecosystem and...


  • London Area, United Kingdom mthree Full time

    Travel & Aviation Technology - C++ - Flight Management SystemsA global leader in travel and aviation technology is seeking a skilled C++ Engineer to join their Flight Management System (FMS) engineering team in London. This group builds mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation, and...


  • London Area, United Kingdom mthree Full time

    Travel & Aviation Technology - C++ - Flight Management Systems A global leader in travel and aviation technology is seeking a skilled C++ Engineer to join their Flight Management System (FMS) engineering team in London. This group builds mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation, and...

  • Software Engineer

    2 days ago


    London Area, United Kingdom Vallum Associates Full time

    Software Engineer (C# & Python) Perm roleSalary £72k - £80k + 15% bonusHybrid role - 3 days in the London officeMust have commercial experience using C#, .NET Core, PythonThis role sits within our clients core engineering team and this team is responsible for building out some of their industry leading capital markets trading technology, and your work as a...


  • London Area, United Kingdom mthree Full time £60,000 - £150,000 per year

    Travel & Aviation Technology - C++ - Flight Management SystemsA global leader in travel and aviation technology is seeking a skilled C++ Engineer to join their Flight Management System (FMS) engineering team in London. This group builds mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation, and...


  • London Area, United Kingdom NJF Global Holdings Ltd Full time £150,000 - £500,000 per year

    C++ Performance Software EngineerSalary: £150k-200kTotal compensation: £250k-500k+ (depending on performance and seniority)A leading global systematic trading firm is seeking a performance-focused Software Engineer to build ultra-low-latency infrastructure bridging hardware and software for quantitative trading systems.You will bridge cutting-edge hardware...


  • Greater Lincoln Area, United Kingdom Metis Full time £40,000 - £80,000 per year

    Software Engineer C++ (All Experience Levels)Location:Lincoln, UKType:Permanent, Full TimeSalary:CompetitiveAt Metis Aerospace, we design and build advanced hardware and software systems that deliver real-world insight from complex data. Our software team creates the tools and systems that bring our technology to life, and we're looking for another engineer...

  • C++ Software Engineer

    3 weeks ago


    london, United Kingdom Miller Maxwell Ltd Full time

    C++ Software Engineer - Linux - Unix - STL - High-Performance Systems - x2 days in London office required. Miller Maxwell is assisting a highly reputable organisation seeking to expand their core engineering team. A C++ Software Engineer is required to start in January 2026 or February 2026 to join a low-latency trading team working on the design,...


  • London, United Kingdom Yoh, A Day & Zimmermann Company Full time

    **C++ Software Engineer - High Performance Computing, GPU, Video Processing** **Permanent - Salary Circa £60,000 to £70,000 per annum plus company equity, bonus, pension, medical, life insurance, hybrid remote working etc..** C++ Software Engineer with advanced skills in modern C++ and high performance computing / Graphics Processing Unit (GPU)...

  • C++ Software Engineer

    3 weeks ago


    City of London, Greater London, United Kingdom Miller Maxwell Ltd Full time

    C++ Software Engineer - Linux - Unix - STL - High-Performance Systems - x2 days in London office required. Miller Maxwell is assisting a highly reputable organisation seeking to expand their core engineering team. A C++ Software Engineer is required to start in January 2026 or February 2026 to join a low-latency trading team working on the design,...