Java Software Engineer

JR United Kingdom; Cardiff; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leading company in the Financial Services Payments sector is seeking an experienced Freelance Java Developer. This remote role focuses on building scalable platforms using Java and AWS technologies, offering a competitive daily rate and the opportunity for long-term engagement through 2026.

Benefits

Long-term engagement through 2026

Remote-first working

Opportunity to work with modern technologies

Qualifications

• Strong Java development experience required.
• Proficiency with AWS services essential.
• Experience with Kubernetes and strong cloud infrastructure understanding.

Responsibilities

• Join a long-term programme focused on building scalable, cloud-native platforms.
• Work collaboratively in a delivery-focused team.

Skills

Java development

Spring Boot

Microservices

AWS services

Kubernetes

Cloud infrastructure

Distributed systems

Proactivity

Job description

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Job Opportunity: Freelance Java Developer (Outside IR35)

£450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough

We’re looking for an experienced Freelance Java Developer to join a long-term programme focused on building scalable, cloud-native platforms within the Financial Services Payments sector. This is a fully remote role for UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith.

This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team.

What You'll Bring

• Strong Java development experience (Spring Boot, Microservices)
• Proficiency with AWS services (Java Spark, EMR, Lambda, native AWS databases)
• Experience with Kubernetes and EKS
• Strong understanding of cloud infrastructure and distributed systems
• A proactive mindset with a focus on end-to-end delivery

Nice to Have

• Background in the Payments or FinTech industry
• Experience with AWS Glue or large-scale data processing tools
• Knowledge of event-driven architecture

What’s on Offer

• Long-term engagement through 2026
• Remote-first working with some flexibility for on-site collaboration
• Opportunity to work with modern technologies in a high-performing engineering team

Interested?

Get in touch to learn more or apply now.