Software Developer job at City of London, London, United Kingdom Full Time

Location: London minimum of 3 days a week (for the 1st month it is expected they will be in 5 days, dependent on project )

Length: 12 months

Salary: £48,000 per annum

***CANDIDATES MUST BE UK NATIONALS AND ELIGIBLE FOR SC CLEARANCE***

Role Overview

We are seeking an experienced Application Developer with strong expertise in Java and Web Technologies to design, develop, and support enterprise-grade applications. The role involves working across the full software development lifecycle, building scalable solutions using the Java/JEE stack, and contributing to modern, secure, and high-performing systems.

You will play a key role in developing clean, reusable code, supporting live services, and mentoring junior team members while following modern engineering standards and DevOps practices.

Key Responsibilities

Application Development & Engineering

• Design, develop, and maintain applications using Java/JEE technologies
• Build and enhance web applications using frameworks and languages such as Java, Groovy, or Ruby
• Write clean, secure, well-tested code following test-driven development (TDD) principles
• Develop reusable, open, and maintainable code components
• Contribute to modern development standards and best practices

Architecture & Design

• Implement enterprise-level features such as:
  • Dependency Injection / Inversion of Control (IoC)
  • Aspect-Oriented Programming (AOP)
  • Functional programming patterns
  • Transaction management frameworks
  • Batch processing solutions
• Participate in systems design and architecture discussions
• Support systems integration across enterprise platforms and services

DevOps & Delivery

• Apply DevOps methodologies to improve build, deployment, and delivery pipelines
• Optimize development processes and continuously improve efficiency
• Manage availability and capacity of applications
• Support CI/CD pipelines and automation practices

Testing & Quality

• Champion test-driven development and quality-first principles
• Ensure code is secure, performant, and resilient
• Conduct code reviews and improve engineering standards

Production Support & Operations

• Operate and support services in production
• Monitor applications and identify, troubleshoot, and resolve issues
• Contribute to service support and ongoing system improvements

Collaboration & Mentorship

• Collaborate with cross-functional teams including product, QA, and operations
• Coach and mentor junior developers
• Promote a culture of learning and continuous improvement
• Maintain strong focus on user needs and experience

Core Skills & Expertise

• Strong experience with Java / JEE and web technologies
• Knowledge of:
  • Dependency Injection (e.g., Spring)
  • AOP and IoC
  • Data access frameworks (e.g., Hibernate/JPA)
  • Transaction management systems
  • Batch processing frameworks
• Familiarity with DevOps tools and practices
• Understanding of:
  • Information security principles
  • System integration and APIs
  • Modern software engineering standards

Key Competencies

• Programming & software engineering excellence
• Systems design and integration
• Development process optimisation
• Prototyping and innovation
• Service support and reliability engineering
• Availability and capacity management
• Strong user focus and problem-solving mindset

If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.