https://jobs.co.uk/job/lead-developer-essential-employment--ef90b552-2f7b-4616-af17-f4bd1105e255 RSS feed for Lead Developer at Essential Employment. en-gb Thu, 08 Oct 2026 21:38:26 GMT https://jobs.co.uk/job/lead-developer-essential-employment--ef90b552-2f7b-4616-af17-f4bd1105e255 https://jobs.co.uk/job/lead-developer-essential-employment--ef90b552-2f7b-4616-af17-f4bd1105e255 Thu, 08 Oct 2026 11:56:51 GMT Location: London | Salary: 10000-500000 Daily | Type: Permanent | Lead Developer needed in East London Paying £259.73 per day ref 137932 Full time hours on a temporary basis Key Responsibilities NEC Configuration and Environment Management Act as the technical subject matter expert for NEC platforms and associated modules. Manage and maintain system configurations across Development, Test, Training, Pre-Production, and Production environments. Ensure configuration consistency and control to minimise deployment conflicts and operational risks. Monitor system performance, reliability, and availability across all environments. Lead technical discussions with NEC and third-party suppliers regarding upgrades, patches, releases, and defect resolution. Maintain technical documentation, configuration standards, and environment governance procedures. Release and Deployment Management Plan and coordinate application releases, deployments, maintenance windows, and environment refreshes. Establish and manage release management processes, ensuring proper testing and approvals before production deployment. Develop rollback plans and contingency procedures to minimise service disruption. Support change management activities and provide technical sign-off ... Permanent