Integration Engineer - C Engineer Rate: £530 per day (Inside IR35) Clearance: SC Eligible Contract: 6‑month rolling Location: Telford - a few days per month onsite (remainder remote) Goverment/Public sector Role Overview We are seeking experienced Integration Engineers with strong C coding skills to join a our public secor client's delivery team working with one of the UK's largest and most high‑profile government departments. You will play a key role in building, enhancing, and supporting critical backend systems, collaborating closely with engineers, architects, testers, and wider programme teams. This role is ideal for engineers who enjoy problem‑solving, modernising legacy systems, and delivering stable, secure solutions in complex environments. Role Purpose Support the modernisation and enhancement of existing applications, including migration from legacy Ingres databases to modern platforms such as Oracle Ensure systems remain stable, secure, and future‑proof, implementing changes in line with client and security standards Contribute to risk reduction and continuous improvement across the platform Key Responsibilities Analyse existing applications to understand functionality and database connectivity Implement small, low‑risk changes such as: Updating database connections Enhancing error handling Improving system performance Collaborate with senior engineers and database specialists on system and database improvements Participate in testing activities (unit, functional, regression) and support defect resolution Create and maintain documentation, including design notes and runbooks Take part in agile ceremonies (stand‑ups, planning, retrospectives) Work collaboratively across programme teams (data, testing, Model Office, etc.) Proactively develop skills and contribute positively to team culture Skills & Experience Required Essential: Strong commercial experience coding in C Experience working on backend or integration‑focused systems Ability to work in structured, security‑conscious environments Highly Desirable: Oracle Pro*C PL/SQL SQL Experience modernising or integrating legacy systems