Java Developer - IAM Project

Job Title:Senior Software Developer
Location: Dunton 4x a week
Salary/Rate:Up to £560 per day
Start Date: August 2026
Job Type:Initially until the end of the year (likely to extend for 12 months)

Company Introduction

As a highly regulated financial services organisation, operates mission-critical platforms that process large volumes of transactions securely and reliably. Technology plays a central role in delivering exceptional customer experiences while maintaining the highest standards of security, resilience, and operational excellence.

Job Responsibilities/Objectives

• Designing and building high-scale backend services using Java
• Developing secure and resilient identity and access management solutions
• Working on systems supporting high-volume transactional workloads in a regulated environment
• Applying Test Driven Development (TDD) throughout the software development lifecycle

Required Skills/Experience

• Strong experience in backend software engineering
• Strong Java development experience
• Experience designing and building high-scale, highly available backend services
• Experience working within financial services, banking, lending, payments, or other regulated environments
• Experience with Identity and Access Management (IAM) platforms
• Knowledge of OAuth, OpenID Connect, SSO, or authentication services
• Experience with microservices and distributed systems
• Exposure to cloud platforms such as GCP, AWS, or Azure

Disclaimer
Not withstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.