Senior Integrations Developer - Microsoft / .NET

SENIOR INTEGRATIONS DEVELOPER - MICROSOFT / C# .NET

£50,000.00-55,000.00

Home Based with occasional travel

Do You Have?

Commercial experience developing systems with C# (.NET8 Core and .NET Framework)?

Experience delivering solutions using Microsoft technologies?

Are you resident in the UK with valid right to work?

Why Not Join Us Here At Simplify!

If you decide that this Senior Integrations Deveoper - Microsoft / .NET position is the role for you, then you’ll be joining the UK’s largest group of property services, a business that is constantly looking to improve, and one that offers both exciting challenges and job satisfaction.

What You'll Be Doing

The role is responsible for designing, developing, and maintaining software systems, primarily using Microsoft’s software development platforms, including .NET (8, Core, and Framework), SQL Server, and Azure, with a particular focus on web integrations and APIs. The role involves working with internal teams and third-party integrations to deliver effective software solutions for internal and external users, including clients from small businesses to large organisations.

Key Responsibilities

  • Planning, managing and outcomes / deliverables from concept to transition into support. 

  • Delivering documentation such as HLD, LLD, implementation documents and knowledgebase articles 

  • Handover of outcomes / deliverables to colleagues within the team (both on-shore and off-shore)

  • Work with internal teams and external partners to deliver software solutions

  • Driving improvement and innovation, challenging current technologies, processes and behaviours 

  • Stay up to date with emerging technologies and best practices, applying them to enhance software quality

  • Design, develop, and maintain software systems and integrations using Microsoft technologies

  • Develop an understanding of business needs to identify opportunities for process and technology improvements

  • Provide ongoing support for new and existing systems, ensuring reliability and efficiency

Our Hiring Process:

You’ve checked out our job ad 

It’s gathered your interest and you’ve applied using our easy application process 

If shortlisted you will attend a first stage interview via Microsoft Teams

If all goes well, a final stage interview may follow

If successful, we make the offer and get the ball rolling  

After joining us you can recommend friends to join us too, earning a referral bonus for each successful appointment!

Core Requirements

  • Commercial experience developing systems with C# (.NET8 Core & .NET Framework)
  • Experience delivering solutions using Microsoft technologies
  • Knowledge of Azure services (Functions, Storage, Web Apps, API Management, Cosmos DB, Service Bus)
  • Strong MS SQL Server knowledge, including Transact-SQL
  • Familiarity with Entity Framework ORM
  • Experience with Web Services (Web-API/REST, SOAP)
  • Understanding of SOLID principles and best coding practices
  • Experience with Unit Testing and Test-Driven Development
  • Proficiency with Git for source control
  • Ability to gather and document user requirements
  • Customer-focused mindset with problem-solving skills
  • Strong written and verbal communication skills

Whilst not essential, we are especially keen to hear from candidates who can also demonstrate experience with Azure API Management, event-driven architectures and messaging patterns, an understanding of OAuth2, OpenID Connect, and API security best practices, and/or relevant Microsoft certification/s.

Our People

Simplify believes diversity brings benefits for our clients, our business and our people. This is why we are committed to being an inclusive employer and encourage applications from all suitable applicants irrespective of background, circumstances, age, disability, gender identity, ethnicity, religion or belief and sexual orientation. 

Senior Integrations Developer - Microsoft / .NET

Home Based

LE1 5AD

£50,000.00-55,000.00 per year
Permanent - Full-time
Posted 4 days ago
Closing date: 27/03/2026
Job reference: LH1520288HomSIDM