Lead Java / Spring Application Architect

On-site in London·Added today (last checked 30 Oct)

Agency

Adecco UK

143 open roles

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Our summary

Salary: £75,000 - £90,000 a year
About £4,500 - £5,230 a month after tax.
Work mode: On-site, London
Contract: Permanent
Experience: Senior level

Skills

Pay & benefits

What you'll get

Location: Wembley - On-Site 5 days a week
Salary: £75-90,000 + Excellent Benefits

The role

As Lead Application Architect, you'll take ownership of application-level architecture and low-level design, helping to establish development standards and modern engineering practices across the organisation.

What you'll do

Producing component-level and code-level designs and detailed Low-Level Design (LLD) documentation
Translating high-level architectural designs into clear implementation plans for development teams
Creating and maintaining Architecture Decision Records (ADRs) and facilitating design reviews
Defining and embedding engineering standards, coding principles, and security best practices
Driving adoption of AI-assisted development tools across the software development lifecycle
Establishing governance processes to ensure architectural consistency and quality
Supporting the migration and modernisation of legacy applications into cloud-native environments
Developing reusable reference architectures and engineering patterns
Mentoring developers and fostering a culture of technical excellence and continuous improvement
Working closely with QA teams to embed automated testing standards into delivery pipelines

You'll be a highly technical architect with a strong software engineering background and a passion for improving development practices.

We're looking for candidates with:

Significant experience designing and delivering enterprise applications
Strong hands-on expertise in Java and Spring Boot development
Proven experience designing microservices-based architectures
Experience creating component-level designs, Low-Level Designs (LLDs), and Architecture Decision Records (ADRs)
Strong understanding of cloud-native development principles and containerisation
Experience building solutions within Microsoft Azure environments
Knowledge of RESTful API design, OAuth2, and OpenID Connect
Experience with CI/CD practices and modern development pipelines
A strong commitment to automated testing and software quality
Hands-on experience using AI-powered development tools and coding assistants
Excellent stakeholder engagement and communication skills, with the ability to explain technical decisions to both technical and non-technical audiences

Shape the Future of Modern Application Architecture

We're looking for an experienced Lead Application Architect to play a pivotal role in a large-scale application modernisation programme. This is an exciting opportunity for a hands-on architect who enjoys bridging the gap between technical strategy and engineering delivery, ensuring robust, scalable, and maintainable solutions are built to the highest standards.

You'll work closely with Solution Architects and engineering teams, translating high-level architecture into practical, implementable designs while driving engineering excellence, cloud-native adoption, and AI-assisted development practices.

About Adecco UK

Adecco is a workforce solutions and recruitment company that describes itself as the world's number one workforce solutions business. It places over 700,000 individuals in roles every day, draws on more than 60 years of recruitment experience, and employs 38,000 people worldwide.

Its services include permanent, temporary, managed and outsourced recruitment, with the resources to manage workforces ranging from 50 to 20,000+ workers for organisations of all sizes, across the public and private sectors.