Principal FullStack Engineer - NPPV3, SC, Java, 4GL

Posting date:	16 July 2025
Salary:	£600.0 to £635.0 per day
Additional salary information:	up to £635 per day (InsideIR35)
Hours:	Full time
Closing date:	23 July 2025
Location:	London, London, EC2V 6DN
Company:	Hays Specialist Recruitment
Job type:	Contract
Job reference:	4708301_1752682501

Summary

Principal FullStack Engineer - NPPV3, SC, Java, 4GL, Java Script

Up to £635 per day (InsideIR35)

London / Remote

12 Months

My client is an instantly recognisable consultancy who require a Principle / Lead FullStack Engineer with Java, C#, Java Script and Active Security Clearance (SC), as well as Active NPPV3, to lead a team of Engineers in a critical project for an end client.
Key requirements:

• Principal FullStack engineer with experience leading teams of engineers on complex projects
• Active Security Clearance (SC) and Active NPPV3
• Full stack experience in C#, Java (Spring Boot, JPA/Hibernate), Rest APIs
• Experience in building microservices and knowledge of SOLID principles
• Understanding of 4GL (fourth generation programming language)
• Experience in backlog refinement, preparation of user stories and object oriented analysis and design
• Excellent stakeholder management skills

Nice to have:

• Experience in Front End (Java Script or View JS)
• Awareness of AWS DevOps principles and orchestration tools (Docker, Terraform, Kubernetes)
• Knowledge of GDS standards, to provide support on technical decisions

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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