Lead Software Engineer | Major Legacy Transformation (NPPV3 & SC Required)
Rate: £550 per day (Inside IR35)
Location: London / Remote Hybrid
Duration: 6–12 Months
Clearance: Active NPPV3 and SC Clearance (Essential)
The Opportunity
Our client, a premier global consultancy, is seeking a Lead Software Engineer to take the helm of a business-critical modernisation programme for a major public sector body.
This is a high-impact role requiring a technical leader capable of deconstructing complex legacy architectures and rebuilding them for a cloud-native future. You will be responsible for the strategic migration from on-premise data centres to AWS, shifting from Oracle to PostgreSQL, and evolving Java EE/EJB environments into modern Spring microservices.
Technical Technical Requirements
To succeed in this role, you will need a deep background in enterprise-scale migrations:
* Java Modernisation: Extensive experience migrating legacy Java (EE/EJB) to modern versions (Spring / Java 11).
* Data & Cloud Transition: Proven track record of moving workloads from Oracle (PL/SQL) to PostgreSQL and migrating from physical Data Centres to AWS.
* Legacy OS Knowledge: Comfortable navigating environments across Red Hat Enterprise Linux 8, Oracle Solaris, and Windows Server (2008–2019).
* Geospatial Integration: Experience with GIS tools including JavaScript/OpenLayers, TileCache, and MapServer.
Mandatory Criteria
* Active Security Clearance: You must hold current, active NPPV3 and SC Clearance. We cannot consider candidates without these active clearances due to the immediate start date.
* Leadership: Experience leading technical teams through the full software development lifecycle (SDLC) within a consultancy or government framework.
* Availability: Must be available to start within 1–2 weeks.
Preferred Skills (Nice to Have)
* IBM Initiate (Master Data Management).
* Experience with Nginx, Apache Tomcat, and ETL processes.
* Exposure to Cognitec FaceVACS, MiniO, or Virtualisation technologies.
Why Apply?
This role offers the chance to lead a high-profile digital transformation that directly impacts UK infrastructure. While the role is Inside IR35, it offers a long-term engagement with a consultancy known for its prestigious project pipeline.