Principal Software Engineer

Posting date:	25 July 2025
Salary:	£600.0 to £635.0 per day
Additional salary information:	up to £635 per day (Inside IR35)
Hours:	Full time
Closing date:	01 August 2025
Location:	London, London, EC2V 6DN
Company:	Hays Specialist Recruitment
Job type:	Contract
Job reference:	4711041_1753457027

Summary

Principal Software Engineer - Active NNPV3, SC, Java, Oracle, AWS

Up to £635 per day (Inside IR35)

London / Remote

6 to 12 Months

My client is an instantly recognisable consultancy who require a Principal Software Engineer with Active NPPV3 and Active Security Clearance (SC), to join a business critical programme with an end client.

Key Requirements:

• Proven experience as a Principal Software Engineer
• Active NPPV3 and Active Security Clearance (SC)
• Proven experience in migration of legacy (Java) to modern versions (EE/EJB to Spring)
• Migration from Oracle to PostgreSQL, and from Data Centre to Cloud (AWS)
• Understanding of Java Standard Edition 8, Java Enterprise Edition 5, 6 and 11
• Demonstrable experience with PL/SQL development
• Some skills in GIS (JavaScript/OpenLayers, TileCache and MapServer)
• Experience in platforms / operating systems (Oracle Solis/Red Hat Enterprise Linux 8/Microsoft Windows 2k8,2k16,2k19)

Nice to have:

• Experience in IBM Initiate - Master Data Management, Nginx, Apache Tomcat, ETL
• Some experience with Cognitec FaceVACS, MiniO Operating systems and Virtualisation
• Immediate availability

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk