Job description
Project overview
Job Title: Senior Software Developer - Basildon 4x a week
Project details
Basildon4x a week
Salary/Rate:Up to £613 per day
Start Date: November 2026
Job Type: Initially 7 month contract (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
Required Skills/Experience
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.
- Designing and building high-scale Back End 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 life cycle
- Strongexperience in Back End software engineering
- Pair Programming experience
- Test driven development
- Strong Java development experience
- Strong IAM (Identity Access Managementpreferably Oauth & Azure
- Exposure to cloud platforms such as GCP, AWS, or Azure
- Experience designing & building high-scale Back End services
- Start: November 2026
- Duration: 7 months
- Location: Biggleswade, UK, GB
- Rate: 73-77 EUR/h
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