Java Developer in London

Job ID: 93271411040

Posted: 2026-08-17

Location: London, England, United Kingdom

Category: Technology, Applications Development

Company: Citi

Discover your future at Citi. Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview: Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

The Java Developer is a technical position responsible for designing, developing, implementing, and maintaining application systems and programs in coordination with the wider technology team. The overall objective of this role is to contribute to application systems analysis and programming activities, ensuring the delivery of high-quality and robust software solutions.

Responsibilities:

• Application Development: Design, code, and debug Java applications. Contribute to the entire software development lifecycle, from conception and design to testing and deployment.
• Technical Contribution: Collaborate with team members to solve technical challenges. Follow best practices for code quality and design principles.
• System Design: Assist in analyzing business requirements and translating them into functional system designs that align with architectural standards.
• Problem Solving: Participate in the process for technical issue escalation and resolution. Utilize knowledge of Java, adjacent technologies, and software engineering principles to help solve problems and troubleshoot issues.
• AI Integration: Actively explore and utilize modern AI-powered development tools and technologies to enhance productivity and code quality. Experience with AI development assistants and agents is desirable.
• Collaboration & Communication: Clearly communicate technical concepts within the development team. Collaborate with cross-functional teams, including product management and quality assurance, to support project execution.
• Risk & Compliance: Adhere to risk and compliance standards in all technical and business decisions, with consideration for the firm's reputation and the security of its assets. Follow policies, apply sound ethical judgment, and help maintain transparency in reporting any control issues.

Qualifications:

• Experience: 3 - 8 years of professional experience in hands-on software development.
• Core Java Skills: Solid knowledge of Java (Java 11+ preferred) and object-oriented design principles.
• Experience with the Spring Framework, including Spring Boot and Spring MVC.
• Proficiency in data access technologies like JPA/Hibernate or Spring Data.
• Java-Adjacent Technologies: Microservices: Experience in developing and deploying applications within a microservices architecture.
• Databases: Proficiency with relational (e.g., PostgreSQL, Oracle).
• Messaging Systems: Familiarity with message brokers such as Kafka or RabbitMQ.
• API Development: Experience in developing RESTful APIs.
• AI in Development: Familiarity with AI-powered tools for coding, debugging, and optimization (e.g., GitHub Copilot, Amazon CodeWhisperer). Experience with advanced AI software engineering agents (e.g., Devin) is a plus.
• DevOps & CI/CD: Familiarity with continuous integration and continuous delivery (CI/CD) concepts and tools (e.g., Jenkins, GitLab CI). Familiarity with containerization technologies like Docker and orchestration platforms like Kubernetes or OpenShift.
• General Skills: Experience contributing to successful software projects. Demonstrates ownership and sound judgment in technical tasks. Clear written and verbal communication skills.

Education:

Bachelor's degree/University degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.