Senior Java Developer

Key Responsibilities

• Design, develop, maintain, and support Java-based backend systems and services
• Develop scalable and performant solutions for data acquisition, processing, matching, analytics, and integration workloads
• Create and maintain high-quality SQL queries, stored procedures, and database structures
• Contribute to technical architecture discussions and platform evolution Improve system performance, scalability, resilience, monitoring, and operational reliability.
• Write clean, maintainable, well-tested code following agreed engineering standards and best practices
• Participate in peer reviews, technical design reviews, and collaborative problem solving
• Support and improve CI/CD pipelines and automated deployment processes using Azure DevOps
• Investigate and resolve complex production issues, system failures, and performance bottlenecks
• Support and troubleshoot services running in Linux-based environments.
• Work closely with infrastructure and platform teams to optimise Linux-hosted services and deployments
• Collaborate with QA teams to ensure robust testing and adherence to Definition of Done standards
• Mentor and support junior and mid-level developers within the team
• Contribute to continuous improvement of development processes, documentation, tooling, and engineering discipline
• Support the migration and modernisation of legacy systems and services into Azure-hosted solutions
  
  

Skills, Knowledge & Expertise

• A degree in Computer Science, Software Engineering, or a related technical discipline, or equivalent practical experience
• Strong commercial experience developing enterprise applications using Java
• Excellent technical knowledge of:
  - Java 17+
  - SQL and relational database design
  - REST API development
  - Maven
  - Concurrent and asynchronous processing
  - Performance optimisation and troubleshooting
  - JUnit and automated testing approaches
  
  
• Strong working knowledge of Linux environments, including command-line tools, scripting, process management, logging, and troubleshooting
• Experience deploying, configuring, and supporting Java applications within Linux-based environments.
• Experience working with high-volume or data-intensive systems
• Experience working with CI/CD pipelines and source control workflows
• Experience using Azure DevOps or similar development lifecycle tooling
• Strong understanding of software engineering principles, clean code practices, and maintainable application design
• Strong analytical and problem-solving skills
• Good communication and collaboration skills, with the ability to work effectively within multi-disciplinary teams
  
  
• A proactive mindset with strong ownership, accountability, and continuous improvement focus
  
  

• Experience working within Microsoft Azure environments
• Experience with data engineering or data warehousing platforms
• Experience working with distributed systems or event-driven architectures
• Experience with monitoring and observability tooling
• Experience working within Agile/SCRUM teams
• Experience improving engineering governance, development processes, and QA practices
• Experience supporting or modernising legacy enterprise applications
• Knowledge of security, compliance, and operational best practices within enterprise environments
  
  

Job Benefits

• Competitive salary reviewed annually
• Work for a passionate, mission-driven company solving society’s big problems
• Work flexible hours around life commitments with a focus on delivering company value rather than hours worked
• Ability to work remotely (excluding face-to-face Team Meetings and client meetings)
• Training and development opportunities
• 25 days annual leave (plus bank holidays)
• Company pension
• Private medical insurance
• Generous enhanced parental leave policies
• Cycle to work scheme
• Flu Vaccinations,
• Eye Test and contribution towards Glasses for VDU use
• Employee Assistance Programme
  • Mental health and wellbeing support
  • Remote GP access
  • Counselling/therapy
  • Physiotherapy
  • Medical second opinions