Java - Developer (GCP)

Square One Resources; Basildon; On-site; GBP 60,000 - 80,000; Full time

Job summary

Square One Resources seeks a Senior Backend Software Engineer in Basildon to join their Identity Management Services team. You will be responsible for designing and delivering secure, scalable backend platforms while acting as a technical leader to mentor developers and ensure platform resilience.

The ideal candidate will possess high-level backend software engineering experience, strong skills in Java, and a background in leading technical initiatives.

Qualifications

• High experience in backend software engineering experience.
• Strong commercial experience with Java and modern backend architectures.
• Experience leading technical initiatives and mentoring engineers.

Responsibilities

• Designing and developing high-scale backend services supporting identity management platforms.
• Leading technical design and architecture decisions.
• Improving platform reliability, scalability, and resilience.
• Establishing CI/CD and DevOps best practices.
• Mentoring engineers and raising overall technical standards.
• Collaborating with cross-functional teams in an Agile environment.
• Implementing monitoring, observability, and operational excellence practices.

Skills

Java

DevOps practices (CI/CD, Git/version control)

Security and Identity & Access Management (IAM)

Monitoring and logging solutions

Relational databases (e.g., PostgreSQL, MySQL, Oracle)

Server-side technologies and distributed systems

Technical leadership and mentoring

Cloud experience, particularly GCP

Job description

Role: Senior Backend Software Engineer - Java – Identity Management Services - GCP

Senior Backend Software Engineer required to join an Identity Management Services team, responsible for designing and delivering secure, scalable backend platforms. You'll act as a technical leader, driving modern engineering practices, mentoring developers, and ensuring platform resilience.

Experience Required:

• High experience in backend software engineering experience
• Strong commercial experience with Java and modern backend architectures
• Experience leading technical initiatives and mentoring engineers

Required Skills

• Java
• DevOps practices (CI/CD, Git/version control)
• Security and Identity & Access Management (IAM)
• Monitoring and logging solutions
• Relational databases (e.g., PostgreSQL, MySQL, Oracle)
• Server-side technologies and distributed systems
• Technical leadership and mentoring
• Cloud experience, particularly GCP

Preferred Skills

• Subnets
• Firewalls
• Load balancing
• VPN configuration
• Strong troubleshooting and debugging skills
• GCP experience
• High-availability and resilient platform design

What You'll Be Doing

• Designing and developing high-scale backend services supporting identity management platforms.
• Leading technical design and architecture decisions.
• Improving platform reliability, scalability, and resilience.
• Establishing CI/CD and DevOps best practices.
• Mentoring engineers and raising overall technical standards.
• Collaborating with cross-functional teams in an Agile environment.
• Implementing monitoring, observability, and operational excellence practices.

Suitable Candidate Profile

A strong match would typically have:

• Experience with authentication, authorization, SSO, OAuth2, OpenID Connect, or identity platforms.
• Background building enterprise-scale APIs and microservices.
• Experience in cloud-native environments and DevOps automation.
• Proven ability to lead projects and mentor engineering teams.