Senior Applications Support Developer in Cheshire

Cheshire Full-Time On-site

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Senior Applications Developer - C# / .NET / SQL

Salary: £43,149 - £47,665 per annum
Location: Cheshire
Working Pattern: Highly flexible, with remote working options
Contract: Initial 6-12 months
Start Date: ASAP (notice periods considered)

Senior Applications Developer - C# / .NET / SQL

The Opportunity

We're working with a well-established public sector organisation looking for an experienced Senior Applications Developer to join its technology team.

This is an excellent opportunity for someone who enjoys working across a varied application landscape, combining hands-on development with application support, systems integration, legacy modernisation and continuous improvement.

You'll play a key role in maintaining and enhancing business-critical applications, improving existing systems and helping shape future technology solutions.

Key Responsibilities

Develop, maintain and enhance business-critical applications using C#, .NET and SQL Server.
Support legacy applications, including upgrades, migrations and modernisation.
Design and maintain APIs, system integrations and automated data processes.
Investigate and resolve complex application issues, providing technical support and root-cause analysis.
Take ownership of applications throughout their lifecycle, ensuring reliability, security and performance.
Work closely with internal stakeholders, suppliers and technical teams to deliver improvements.
Support releases, testing, documentation and knowledge transfer.

Skills & Experience

We're looking for someone with a strong background in application development and support, ideally including:

C# / .NET / SQL Server development experience.
Experience supporting and maintaining legacy or bespoke applications.
Strong knowledge of APIs, integrations and relational databases.
Experience with application troubleshooting, maintenance and enhancements.
Understanding of Agile development, source control and release management.
Excellent problem-solving, communication and stakeholder management skills.
Ability to quickly understand unfamiliar applications and technologies.

Desirable experience:

SSIS, SSAS or ETL processes.
Power BI, Power Platform or SharePoint.
Azure or other cloud technologies.
ITIL or structured IT service management environments.

You don't need experience with every technology listed. We're particularly interested in developers who are adaptable, technically capable and comfortable working across a mixture of modern and legacy systems.

Why Consider This Opportunity?

Excellent flexibility, with full-time, part-time and remote working arrangements considered.
Opportunity to work across a diverse range of applications and technologies.
A varied role combining development, support, integrations and modernisation.
Join a collaborative, small technical team where your expertise will make a genuine impact.
Work on meaningful technology projects supporting essential public services.

Interested?

If you're an experienced C#/.NET Developer with a background in application support, integrations or legacy systems, we'd love to hear from you.

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates