> Markdown version of [/jobs/ext/4162169-lead-java-developer](https://www.wearedevelopers.com/jobs/ext/4162169-lead-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Java Developer - **Company:** Citigroup Inc. - **Location:** London, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Software Quality, Code Review, Software Design Patterns, DevOps, Payment Systems, Spring Framework, MongoDB, Oracle Databases, Performance Tuning, Scrum Methodology, Software Engineering, Enterprise Software Applications, Technical Debt, Event Driven Architecture, Apache Kafka, Software Coding, Restful APIs, Microservices - **Published:** October 3, 2026 - **Apply:** https://dejobs.org/x/x/5C3FEABC0A244E50AB2628FFBD2C55D0/job/ ## About the Role * 10+ years of software development experience, including 3+ years in a leadership role * Strong hands-on coding skills in Java * Extensive experience with microservices architecture, Spring Framework, and RESTful API design * Proficiency in MongoDB and Oracle databases * Experience with Apache Kafka and event-driven architectures * Strong understanding of software design patterns, architecture principles, and best practices * Understanding of security best practices in software development * Proven track record of leading successful software projects and mentoring developers * Excellent problem-solving skills and ability to navigate complex technical challenges * Strong communication skills with the ability to explain technical concepts to both technical and non-technical audiences Preferred Qualifications: * Experience with cloud platforms * Knowledge of DevOps practices and CI/CD pipelines * Familiarity with Agile methodologies and project management tools * Experience with performance optimization and scalability of large-scale applications * Solid understanding of payments industry, including various payment systems and processes ## Description CitiDirect is seeking an experienced Lead Developer to oversee development, partner with global dev teams to drive large programs of work and ensure technical excellence from the team. The ideal candidate will be a hands-on developer with strong leadership skills and the ability to build talent within the organization. The role will be focused on modernizing CitiDirect's Payment flow, with a focus on the validation layer for payments. This is an opportunity to drive change from the ground up, as well as experiment with AI tooling to not only update the stack but also enhance you and your team's skillset. What you'll do * Provide technical leadership and mentorship to scrum teams with CitiDirect Payments * Actively participate in coding and problem-solving, maintaining a strong hands-on presence in development * Architect and design scalable, robust solutions for complex technical challenges * Lead the planning and execution of major development initiatives and projects * Oversee code quality, conduct code reviews, and enforce best practices and coding standards * Drive the adoption of new technologies and methodologies to improve team productivity and product quality * Collaborate with product managers and stakeholders to define technical strategy and roadmap * Manage technical debt and guide system optimizations * Foster a culture of innovation, continuous learning, and knowledge sharing within the team