Java Engineer Job Central London area,City Of London England UK,Software Development

Location: City Of London

Lead Software Engineer – Java / Platform Engineering - Contract - Inside IR35

We’re supporting a large-scale technology modernisation programme within a complex enterprise environment and are looking for several experienced Lead Software Engineers to join a high-performing engineering team.

This is an opportunity to work on a greenfield platform build, helping shape and deliver a core middleware capability that will support multiple business‑critical services and applications.

The Opportunity

You’ll join an established engineering function delivering modern platform and backend services within a cloud‑based environment. The work focuses on building scalable, production‑grade shared services and APIs within containerised AWS infrastructure.

The programme is highly collaborative and suited to engineers who enjoy operating within cross‑functional teams alongside architecture, platform, and product stakeholders.

Key Responsibilities

Designing and building scalable Java‑based backend services
Developing microservices and event‑driven solutions
Contributing to platform and shared service architecture
Building and maintaining production‑grade APIs
Working within containerised AWS environments
Collaborating with engineering, architecture, and product teams
Providing technical leadership within an agile squad environment

Required Experience

Strong hands‑on Java development experience (Java 11+)
Commercial experience with Spring Boot
Microservices and event‑driven architecture experience
Experience with Kafka or similar messaging technologies
AWS cloud engineering experience
Containerisation and Kubernetes/EKS exposure
CI/CD pipeline and Dev Ops practices
Experience operating within complex or regulated enterprise environments, ideally Financial Services

What We’re Looking For

Engineers operating at Lead level technically
Strong communication and stakeholder engagement skills
Experience owning technical decisions and solution design
Comfortable working autonomously within fast‑paced delivery environments
Individuals who thrive within collaborative supplier/client engineering team

Working Arrangement

Hybrid working model
London‑based delivery environment
Regular on‑site collaboration expected (2 days per week)

Additional Information

Immediate to short‑notice availability preferred
Multiple hires planned with potential for further team growth
Fast‑moving interview and onboarding process

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