Principal Java Developer

Salary: £40,000 - 70,000 per year

Requirements

• Experience within a financial services or Fintech environment
• Strong Java development skills, including multi-threading and concurrency
• Experience with Spring Boot and microservices environments
• Good knowledge of REST APIs
• Good understanding of AWS
• Thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures, and Design Patterns
• Familiarity with DevOps and CI/CD pipelines
• Collaborative approach with strong problem-solving and client interaction skills

Responsibilities

• Lead client projects, often long-term technical transformations
• Design, develop, and deliver a range of projects for our clients, mainly within the financial services sector
• Focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments
• Work within a collaborative team focused on engineering best practice and continuous improvement of client systems
• Provide technical expertise, leadership, and business/client-facing support
• Operate in a hybrid setup from our London City office and client sites

Technologies

• AWS
• CI/CD
• Cloud
• DevOps
• Support
• Java
• REST
• Spring
• Spring Boot
• microservices

More:

We are a global technology consultancy offering a Principal Java Developer / Software Engineer opportunity in London with hybrid working. Our team is friendly, diverse, and upbeat, with a strong focus on collaboration, engineering best practice, and continuous improvement. We offer a competitive salary of up to £120k along with a pension, life assurance, income protection, private medical care for you and your family including mental health support, travel insurance, charitable giving, gym membership for you and your family, and a flexible holiday scheme.

last updated 36 week of 2026