Senior Java Engineer; Smart Contract

Job Title: Senior Java Engineer (Smart Contract)

Location: London

Contract: 12 Months

Are you a passionate Senior Java Developer looking to make a significant impact in an innovative environment? Our client is seeking a talented individual to join their dynamic team in London, where you'll design and develop cutting-edge microservices for a next generation loans processing application. If you thrive in a fast paced atmosphere and enjoy collaborating with cross-functional teams, this opportunity is for you!

• Strong expertise in Java and Spring/Spring Boot.
• Hands on Smart Contract (Solidity) experience in essential.
• Experienced in financial services, ideally Commercial Lons.
• Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, and Spring Data.
• In-depth knowledge of REST API principles and HTTP protocols.
• Proficiency in Git, CI/CD, and Agile methodologies.
• Familiarity with JIRA, JUnit, and Apache Kafka is preferred.
• Experience with No
  
  SQL databases such as Cosmos
  
  DB and Mongo
  
  DB.
• Exposure to Ethereum, Hyperledger Besu, and EVM-based platforms is a plus.

• Collaborate with product owners, business analysts, scrum masters, and fellow developers to create robust solutions.
• Design, develop, and implement microservices using Java Spring Boot, ensuring modular, testable, and reusable code.
• Craft responsive and intuitive user interfaces with Angular and Type Script/Java to enhance user experience.
• Create RESTful APIs (gRPC) to facilitate smooth communication between microservices and external systems.
• Conduct regular code reviews, unit testing, and CI to maintain high standards of code quality.
• Develop and present high level design proposals to stakeholders, showcasing your creativity and vision.
• Manage project flow, help refine backlogs, and foster a culture of collaboration among team members.
• Support your team in overcoming challenges and ensuring alignment with the project's overall vision.

• Exciting Projects:
  Work on impactful projects that shape the future of loans processing.
• Collaborative Culture:
  Be part of a supportive team that values your input and encourages knowledge sharing.
• Growth Opportunities:
  Expand your knowledge and skills in a fast evolving tech landscape.

If you're ready to take your career to the next level and make a real difference, we want to hear from you! Apply now and join our client's team for an exciting journey in the world of microservices and innovative technology.

We encourage you to apply promptly. Don't miss out on this fantastic opportunity!

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

• Job Title:
• Company:
• Location:
• Competitive
• Posted:
  Jan 16th 2026
• Closes:
  Feb 16th 2026
• Sector: IT
• Contract:
  
  Contract
• Hours:
  
  Full Time