Lead Developer

ESSENTIAL EMPLOYMENT LTD; London Borough of Newham; On-site; GBP 41,000 - 54,000; Full time

Job summary

ESSENTIAL EMPLOYMENT LTD is seeking a Lead Developer to join our East London team, delivering technical leadership on NEC platforms and associated modules. You will oversee deployments, manage configurations across environments, and collaborate with suppliers to ensure smooth releases.

The role is full-time on a temporary basis with a daily rate of £259.73. You should have strong experience in release management, data governance, and API integrations, and be able to drive technical excellence

Qualifications

• Lead Developer with NEC platforms experience.
• Experience managing deployments across multiple environments.
• GDPR and data protection knowledge.

Responsibilities

• Act as the technical subject matter expert for NEC platforms and modules.
• Plan, coordinate and monitor releases across Development, Test, and Production.
• Design, test and support NEC integrations with third-party apps.
• Ensure data governance and GDPR compliance in deployments.
• Lead and mentor developers and support teams.

Skills

Technical leadership

Environment management

Release management

APIs integration

Tools

NEC platforms

Middleware

API testing

Job description

Lead Developer needed in East London Paying £259.73 per day ref 137932

Full time hours on a temporarybasis

Key Responsibilities

• 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 & 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 for releases.
• Work closely with project teams, business analysts, testers, and service managers to ensure successful delivery.

Integration Management & Quality Assurance

• Design, test, troubleshoot, and support integrations between NEC systems and third-party applications.
• Validate API functionality, data exchanges, interfaces, and middleware solutions.
• Conduct impact assessments for system changes and integrations.
• Implement quality assurance processes and technical stage gates throughout the development lifecycle.
• Ensure all releases meet agreed technical, security, and performance standards.

Data Governance & Security

• Lead data migration activities including planning, validation, reconciliation, and post-migration assurance.
• Ensure compliance with GDPR, data protection legislation, and security policies.
• Manage production database cloning activities and ensure appropriate masking of sensitive information.
• Maintain data quality standards and establish controls to protect data integrity.
• Support audit requirements and technical compliance activities.

Technical Leadership

• Provide technical guidance and mentoring to developers, analysts, and support teams.
• Promote best practice in system configuration, deployment, security, and governance.
• Identify opportunities for service improvements, automation, and optimisation.
• Contribute to technology roadmaps and future platform development strategies.
• Act as an escalation point for complex technical issues.

Essential Employment is an Equal Opportunities Employer.

All our roles may be subject to pre-employment checks including references so please beprepared