Senior Java Engineer (Smart Contract)

Adecco; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading recruitment agency is looking for a Senior Java Engineer to design and develop innovative microservices for a loans processing application in London. This role requires strong expertise in Java and Spring Framework along with experience in Smart Contracts (Solidity). Candidates should have proficiency in REST APIs and CI/CD practices. Join a collaborative environment and contribute to impactful projects that drive technological advancements in the finance sector.

Benefits

Exciting projects

Collaborative culture

Growth opportunities

Qualifications

• Strong expertise in Java and Spring/Spring Boot.
• Hands on Smart Contract (Solidity) experience is essential.
• Experienced in financial services, ideally Commercial Loans.

Responsibilities

• Collaborate with product owners, business analysts, and developers.
• Design, develop, and implement microservices using Java Spring Boot.
• Create RESTful APIs (gRPC) for communication between microservices.

Skills

Java

Spring/Spring Boot

Smart Contract (Solidity)

REST API principles

Git

CI/CD

Agile methodologies

NoSQL databases (CosmosDB, MongoDB)

Angular and TypeScript

Tools

JIRA

JUnit

Apache Kafka

Job description

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!

What We're Looking For

• 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 NoSQL databases such as CosmosDB and MongoDB.
• Exposure to Ethereum, Hyperledger Besu, and EVM-based platforms is a plus.

What You'll Be Doing

• 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 TypeScript/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.

Why Join Us

• 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 Info

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