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Senior Software Developer

Job Posted: 17 days ago

Salary: £ 44.31 - 46.8 / Hour
Job Type: Contract
Location: Lytham St. Annes, Lancashire

Expire in: 10 days

Job Description

Senior Software Developer (Contract)

Location: Warton - Hybrid (3 days per week on site)
 Rate: £46.80 per hour (Umbrella)
 Contract Length: 12 months
 IR35: Inside IR35

Overview

A leading UK defence company is seeking an experienced Senior Software Developer to join a highly skilled engineering team working on mission‑critical, safety‑critical systems used by military personnel.

This role involves developing and maintaining a suite of engineering support applications that enable frontline users to retrieve operational data, diagnose issues, and ensure continued system availability in demanding environments. The position offers hybrid working and the opportunity to contribute to long‑term, high‑integrity software programmes within the defence sector.

The Role

You will work on a mature .NET desktop application estate, contributing to both enhancement and ongoing support activities. The software environment blends established systems with opportunities for modernisation and improvement, offering technically varied and meaningful work.

In addition to core desktop applications, the team also develops smaller specialist utilities, creating exposure to a range of development challenges and platforms.

Key Responsibilities

Analyse system and user requirements to influence software design and delivery planning
Design, implement and configure new functionality with a focus on maintainable, high‑quality code
Produce unit/module tests and associated software documentation
Support Build, Integration and Test teams during formal qualification and verification activities
Collaborate closely with multi‑disciplinary engineering teams
Research and recommend new tools, technologies and development approaches
Share knowledge, provide technical guidance and support continuous improvement within the team 

Essential Skills & Experience

Strong commercial experience using C#
Experience developing desktop applications with WPF and/or WinForms
Experience working with or maintaining VB6 applications
Solid understanding of structured software development in regulated or engineering‑led environments 

Desirable Experience

Source control tools such as Git or ClearCase
Automated testing tools (e.g. Coded UI, Rational Robot or similar)
Oracle, SQL
COM, .NET Interop
XML (XSD/XSLT)
Entity Framework
Team Foundation Server / Azure DevOps 

Qualifications

Degree in a STEM discipline or equivalent relevant industry experience 

For more information please contact Lauren Morley at JAM Recruitment or click apply

Before You Apply

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Bank details.
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Date of birth.

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