Senior.NET Developer at TEKsystems

Position Senior.NET Developer
Posted 23 Mar 2026
Expired 22 Apr 2026
Company TEKsystems
Location Manchester | GB
Job Type Full Time

Job Description:

Latest job information from TEKsystems for the position of Senior.NET Developer. If the Senior.NET Developer vacancy in Manchester matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at TEKsystems for the position of Senior.NET Developer below matches your qualifications.

Description

Senior .NET Developer needed to support and enhance an energy companies existing application estate. The work is backend-heavy: complex data models, systems integration, API development, and data migration. The developer will take ownership of business-critical applications and must be able to ramp up quickly.

The role sits within a team of 23 across Development, QA, and App Support. A fast start is essential, we need someone who can hit the ground running.

Essential Technical Skills:

  • C# / .NET Core — complex backend systems (10+ years)
  • Azure — Functions, Web Apps, DevOps, CI/CD pipelines
  • SQL Server & database design — data modelling, schema migrations, production deployments
  • Entity Framework (EF) Core — migrations, code-first approaches
  • Web APIs / RESTful services — design, versioning, backward compatibility
  • Microservices architecture — service design, inter-service communication, resilience patterns
  • CI/CD — YAML pipelines, multi-environment deployments, IaC (Terraform)
  • Git — branching strategies in a team environment
  • Desirable:
  • Message queuing (RabbitMQ, Azure Service Bus)
  • React or Angular front-end capability
  • ETL / data integration experience
  • TDD / automated testing practices
  • experience & Attributes:
  • Self-managing — must hit the ground running
  • Complex data systems — large data models, integration layers, or operational data stores
  • Energy / Utilities sector — highly desirable
  • Technical leadership — mentoring junior developers, establishing standards
  • Comfortable with ambiguity — evolving requirements, cross-team dependencies
  • Strong communicator — able to articulate risks and decisions to non-technical stakeholders
  • Working Arrangements:

  • Hybrid: Manchester office 2-3 days/week (non-negotiable)
  • Agile/Scrum, bi-weekly sprints
  • Modern tooling including GitHub Copilot, Azure-native stack
  • Job Title: Senior .NET Developer

    Location: Manchester, UK

    Job Type: Contract

    Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands.

    Job Info:

    • Company: TEKsystems
    • Position: Senior.NET Developer
    • Work Location: Manchester
    • Country: GB

    How to Submit an Application:

    After reading and understanding the criteria and minimum qualification requirements explained in the job information Senior.NET Developer at the office Manchester above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

    THIS JOB POSTING HAS EXPIRED (Over 30 days ago).
    Please search for the latest job opportunities on our Homepage.

    Similar Job Vacancies

      .NET Developer - Manchester at Capgemini
    Posted: 5 hours ago

    Desc: .NET Developer - ManchesterReference Code: 486835-en_GBContract Type:PermanentProfessional Communities: Software EngineeringJob Title: .NET Developer ManchesterAbout the Job you are considering:We are...

    Company: Capgemini | Location: Manchester

      Brand Activation Manager at LWC Drinks
    Posted: 8 hours ago

    Desc: Job Title: Brands Activation ManagerReports to: Sales Manager & Signature Brands ManagersDepot: ManchesterOverviewTo own and activate internal and external regional activation of Signature Brands' por...

    Company: LWC Drinks | Location: Manchester