Job title: Full Stack .Net Developer
Job type: Permanent
Emp type: Full-time
Industry: FinTech (Finance)
Salary from: GBP £50,000.00
Salary to: GBP £65,000.00
Location: Peterborough, UK
Job published: 27-08-2026
Job ID: 37978
Phone number: +447983423888
Contact email: chris.chugg@vargogroup.co.uk

Job Description

Job Title: Full Stack .Net Developer

Salary: Up to £38,000 + benefits

Location: Hybrid in Peterborough

 

Ready to take the next step in your C# / .NET development career? Join a rapidly growing Fintech organisation in Peterborough where you’ll work across the full stack, build scalable web apps, and receive direct mentoring from senior engineers to help elevate your technical skills.

 

Vargo is recruiting for a Full Stack .Net Developer to join a rapidly expanding fintech organisation. This is an exciting opportunity to play a key role in the ongoing development and enhancement of the company’s Web-to-SQL applications, delivering robust, scalable solutions for both internal teams and external customers.

Working across the full technology stack, you’ll be involved in maintaining and improving existing systems while contributing to the design and delivery of new functionality and platform enhancements. You’ll join a collaborative development team and help promote best practice across front-end, middle-tier and back-end development. The role will be an excellent opportunity for someone to build on their experience and will be supported by training and mentoring.

 

Responsibilities

  • Support development projects from inception through to successful delivery.
  • Proactively resolve support tickets, BAU activities and maintenance tasks.
  • Support the more senior members of the team to develop new systems and process.
  • Support development project progress and ensure agreed deadlines are achieved.
  • Ensure support requests are resolved within agreed service levels.
  • Oversee the timely completion of BAU activities, including statements, bonuses and interest-related processes.
  • Coordinate and deliver ongoing maintenance activities, including software updates, application enhancements and technical debt reduction.
  • Be willing to continue with professional and technical development.
  • Take part in producing and maintain documentation for systems, applications and internal processes.
  • Identify opportunities to improve existing systems and workflows, proposing practical solutions where appropriate.
  • Analyse support trends and recurring issues, recommending improvements to reduce inefficiencies and improve system performance.
  • Participate in an on-call support rota (one week in four) for escalated issues, with additional remuneration provided.

 

Skills & Experience Required

  • Several years experience developing and maintaining web applications using ASP.NET and C#.
  • Experience integrating with SQL databases, including query optimisation and performance tuning.
  • Front-end development experience would be an advantage but not essential, such as Angular or a comparable JavaScript framework.
  • Some knowledge of SQL and relational database technologies.
  • Confident managing software development lifecycles.
  • Proven ability to contribute to and improve development standards and coding practices.
  • Familiarity with Software Development Lifecycle (SDLC) methodologies and processes.
  • Experience using tools such as JIRA, Confluence, or equivalent platforms.

 

Desirable

  • Experience working with Azure DevOps, including configuration and administration.

 

Qualifications

  • Professional .NET certifications would be advantageous but not essential.
  • Degree-qualified or able to demonstrate equivalent commercial experience.

 

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