Job Title: Java Back End Developer
Location: Basildon Essex
Salary/Rate: £490-£500 a day
Start Date: Mid May
Job Type: Contract initially 8 months likely to be extended beyond December a further 12 months depending on performance
We are working with a leading global financial services organisation to recruit a Senior Backend Software Engineer to join their Identity Management Services team. This is a key role focused on building and evolving the core identity platform that underpins critical systems across the business.
The Role
As a senior engineer, you will design and develop high-scale backend services while acting as a technical leader within the team. You'll play a central role in shaping architecture, driving best practices, and mentoring engineers to elevate overall technical capability.
This position is ideal for someone who thrives in a hands-on environment but also enjoys influencing engineering culture, improving standards, and leading by example.
Key Responsibilities
* Design, build, and maintain scalable backend services for identity management systems
* Lead technical discussions and contribute to architectural decisions
* Champion modern software engineering practices across the team
* Ensure platform security, resilience, and performance at scale
* Mentor and support team members to upskill in backend and DevOps practices
* Collaborate within an Agile development environment
Required Skills & Experience
* Strong experience with Java and modern Java frameworks
* Proven background in backend/web service development
* Solid understanding of DevOps practices (CI/CD, version control)
* Experience with security and identity management systems
* Knowledge of monitoring, logging, and observability tools
* Strong experience with relational databases
* Excellent leadership and stakeholder communication skills
* Comfortable working in Agile teams
Desirable Skills
* Understanding of networking concepts (subnets, firewalls, load balancing, VPNs)
* Strong debugging and problem-solving abilities
* Exposure to cloud platforms (ideally GCP)
Experience
* strong focus on Java
Location & Working Pattern
* Based in Dunton, Essex
* Onsite 4 days per week
Disclaimer
Notwithstanding 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.
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