Senior Java Developer, London

Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting‑edge technologies.

We are seeking a highly experienced Senior Java Developer with strong expertise in the latest Core Java versions to lead and drive end-to-end development activities. The role requires a hands‑on technical leader capable of guiding a development team, providing architectural and coding solutions, and ensuring successful delivery of high-quality applications.

This role is Inside IR35 contract

JobLocation: London (Hybrid – 3 days in office)

• Lead and manage a team of full stack developers, providing technical direction, guidance, and mentorship.
• Drive the design, development, and implementation of scalable, high-performance applications using modern Java.
• Take ownership of development activities, ensuring alignment with delivery timelines, quality standards, and best practices.
• Act as a solution provider, assisting the team in resolving complex technical challenges.
• Participate in architecture and design discussions, ensuring robust and maintainable solutions.
• Review code and designs to ensure compliance with coding standards and performance benchmarks.
• Collaborate closely with business stakeholders, architects, and QA teams to translate requirements into technical solutions.
• Support troubleshooting, debugging, and resolution of production issues.
• Promote best practices in code quality, performance, security, and maintainability.

• Strong hands‑on experience with latest Core Java (Java 17 / 21 / 24).
• Full Stack development experience:
  • Backend: Java, Spring / Spring Boot, REST APIs
  • Frontend: Angular / React / other modern UI frameworks
• Solid understanding of object‑oriented design, design patterns, and clean code principles.
• Experience with SQL and relational databases.
• Familiarity with build tools, version control, and CI/CD pipelines.

Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.