Lead Developer - Java/JavaScript

Location: London

Rate: £400 - £450/day outside IR35

Posted by: PSD Technology Contracts Ltd.

Posted: Friday, 11 July 2025

Technical Lead/Senior Developer - Outside IR35

Technologies: Java/Java Script 8+/Spring Boot Microservices/Spring Webflux/Domain Driven Design/Insurance/Underwriting

Up to 3 days/week onsite in City of London

We are seeking an experienced Java/Java Script developer with experience of Spring Boot Microservices and Spring Webflux development.

As a Technical Lead specialising in Java and Java Script, you will spearhead the design, development, and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java and Java Script development, Microservices architecture, and a passion for delivering high-quality software.

Requirements

Must Have:

• 8+ Years hands-on as a Java and Java Script Developer with a focus on Spring Boot Microservices and Spring Webflux development.
• Strong understanding of Java SOLID design principles.
• Strong understanding of Java and Java Script Low-level and High-level design patterns such as Builder pattern, Factory pattern, Visitor pattern, SAGA pattern, CQRS pattern etc.
• Experience in developing Domain Driven Design patterns including Value Objects, Entities, and Domain Services.
• Strong understanding of Java, Java Script, Spring Boot best practices, including exception/error handling best practices.
• Experience in Java and Java Script 8+ features, especially Lambda and Functional Programming.
• Experience in Asynchronous programming in Java with completable future.

A strong advantage would be to have insurance/underwriting domain experience.

This is a 12 month contract, outside IR35.

Full right to work in the UK required

If your profile matches the above and you'd like to find out more, please apply with your up to date CV.

Location: London, UK

Industry: IT

Duration: 3-6 months

Start Date: ASAP

Rate: £400 - £450/day outside IR35

Employment Business: PSD Technology Contracts Ltd.

Contact: Simon Wood

Email: Contact This Employment Business

Reference: JSN CR/375956 (SW)

Posted Date: 7/11/2025 10:11:58 AM

#s1-Gen

Java/Java Script 8+/Spring Boot Microservices/Spring Webflux/Domain Driven Design/Insurance/Underwriting ## Up to 3 days/week onsite in City of London ## We are seeking an experienced Java/Java Script developer with experience of Spring Boot Microservices and Spring Webflux development. As a Technical Lead specialising in Java and Java Script, you will spearhead the design, development, and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java and Java Script development, Microservices architecture, and a passion for delivering high-quality software. Requirements Must Have:

• 8+ Years hands-on as a Java and Java Script Developer with a focus on Spring Boot Microservices and Spring Webflux development.
• Strong understanding of Java SOLID design principles.
• Strong understanding of Java and Java Script Low-level and High-level design patterns such as Builder pattern, Factory pattern, Visitor pattern, SAGA pattern, CQRS pattern etc.
• Experience in developing Domain Driven Design patterns including Value Objects, Entities, and Domain Services.
• Strong understanding of Java, Java Script, Spring Boot best practices, including exception/error handling best practices.
• Experience in Java and Java Script 8+ features, especially Lambda and Functional Programming.
• Experience in Asynchronous programming in Java with completable future.
A strong advantage would be to have insurance/underwriting domain experience.