Job Description

Senior C Developer (Oracle Pro*C)

£430 per day

Telford/hybrid (2 days per week onsite)

6 months+

SC security clearance is required for this role

Join a Major HMRC Digital Transformation Programme

We're looking for a skilled Senior C Developer to join a delivery team supporting one of the UK's largest and most critical government technology programmes. This is an opportunity to work on the modernisation of key HMRC systems, helping drive the transition from legacy database technologies to modern Oracle-based platforms while ensuring highly critical services remain secure, stable and performant.

You'll work alongside experienced engineers, architects and database specialists, contributing to large-scale backend systems used across the public sector.

What You'll Be Doing

Analysing and enhancing existing C-based applications

Supporting the migration from legacy Ingres databases to Oracle environments

Updating application-to-database connectivity

Improving performance, resilience and error handling

Supporting testing activities including unit, functional and regression testing

Producing technical documentation, design notes and support runbooks

Collaborating within Agile delivery teams and wider programme stakeholdersEssential Skills

Strong commercial experience developing in C

Experience supporting and enhancing backend applications

Strong troubleshooting and problem-solving skills

Experience working through the full software development lifecycle

Ability to work effectively within Agile teamsHighly Desirable

Oracle Pro*C

Oracle PL/SQL

SQL optimisation and database development

Legacy application modernisation experience

Government or highly regulated environmentsWhy Apply?

High-profile HMRC transformation programme

Long-term programme with extension potential

Opportunity to work on large-scale legacy modernisation

Collaborative engineering environment

Chance to develop specialist Oracle migration expertise

If you're an experienced C Developer looking to work on a challenging and impactful government programme, we'd love to hear from you