Tech & Digital

Senior Software Engineer

  • Location


  • Sector:

    Microsoft Development

  • Job type:


  • Salary:

    £70000 - £85000 per annum

  • Contact:

    Alex Collins

  • Contact email:

  • Job ref:


iO Associates are partnered with a established Fintech brand who are looking for a talented and experienced Senior .NET Developer to join their growing team. In this role, you'll play a pivotal role in shaping the future of our financial technology platform, collaborating with a team of passionate engineers to develop and deliver game-changing solutions.

What You'll Do:

  • Own the entire software development lifecycle for assigned features, from conception to flawless execution.
  • Design, develop, and maintain robust, scalable, and secure .NET applications using cutting-edge technologies (C#, ASP.Net, Azure) Python would be a bonus but not essential.
  • Champion best practices in code quality through code reviews, technical guidance, and mentoring junior developers.
  • Collaborate closely with product managers, business analysts, and other engineers to translate business needs into elegant technical solutions.
  • Participate in the design and implementation of APIs and integrations with third-party systems.

The Impact You'll Make:

  • Play a key role in developing and delivering innovative financial technology solutions that impact millions of users.
  • Be a thought leader within the team, sharing your knowledge and shaping the future of our technology stack.
  • Help build a strong and reliable technology foundation for the company's continued growth.
  • Mentor and guide junior developers, fostering a culture of excellence within the team.

What we are looking for:

  • 7+ years of experience in full-stack .NET development.
  • Extensive experience with ASP.NET Core, .NET 6+, and related technologies (e.g., Entity Framework, Azure).
  • Python knowledge would be a bonus but not essential
  • A strong understanding of software design principles and best practices (e.g., SOLID).
  • Proven ability to write clean, maintainable, and well-tested code.
  • Experience working in an Agile development environment.
  • Excellent communication, collaboration, and problem-solving skills.
  • A passion for the financial industry and the desire to make a real impact.

What is on offer to you:

  • Up to £85,000
  • 33 days holiday inclusive of bank holidays
  • Hybrid working (1 day a week in Reading)
  • 6% Pension
  • Private healthcare cover / insurance
  • Mapped out career progression from the outset
  • £2000 budget per annum assigned for personal development

If this role sounds like it could be a good fit for you next position, please don't hesitate to get in touch and we can chat about the opportunity in more detail.

You can get in touch on the details below or respond to this job advert:


Phone: 01174094455