Senior Software Engineer - Java Inside IR35

Location: London (3 days onsite / 2 days remote)

Contract: 6–12 month rolling contract

Start: Immediate / ASAP

Overview

We are seeking five Senior Java Engineers to join a high-performing engineering team within a leading financial services organisation. You will be working on large-scale, distributed systems supporting critical trading and financial platforms.

This is a hands‑on engineering role requiring strong backend development experience in modern Java ecosystems, with a focus on scalable, event‑driven architectures.

Key Responsibilities

• Design, build, and maintain scalable backend services using Java (11+)
• Develop microservices using Spring Boot
• Build and maintain event‑driven systems using Apache Kafka
• Deploy and operate services on AWS cloud infrastructure
• Collaborate with architects, product owners, and...