Senior Full-Stack Engineer — Java/React, Solidity

Pontoon; Greater London; On-site; GBP 50,000 - 80,000; Full time

Benefits offered by this job

Onsite in London

12-month contract

Job summary

Pontoon is hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a London-based engineering team. This 12-month contract role is onsite five days a week, offering a salary of £50,000–£80,000 per year plus competitive terms.

You will design and build scalable enterprise applications, deliver secure backend services in Java/Spring Boot, and develop modern front-end experiences with React or Angular, while collaborating with cross-functional teams in an Agile setup.

Qualifications

• Extensive Java development experience with Java 17+.
• Strong Spring Boot and microservices background.
• Solid React experience; Angular also considered.
• Proven ability to design RESTful APIs.
• Experience with AWS/Azure/GCP cloud platforms.
• Hands-on Docker and Kubernetes expertise.
• CI/CD pipeline experience and agile practices.
• Strong fundamentals in software engineering.
• Solidity development experience.

Responsibilities

• Design, develop, and maintain scalable enterprise applications.
• Build modern front-end applications using React or Angular.
• Develop secure backend services with Java and Spring Boot.
• Design and build RESTful APIs and microservices.
• Collaborate with product owners, analysts, architects, and engineers.
• Contribute to solution design and architectural decisions.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews and promote engineering best practices.
• Support CI/CD pipelines and cloud deployments.
• Troubleshoot production issues as needed.
• Work in Agile/Scrum teams and participate in ceremonies.

Skills

Java

Spring Boot

React

Angular

REST APIs

Cloud platforms

CI/CD

Agile

Software engineering

Solidity

Tools

Docker

Kubernetes

AWS

Azure

GCP

REST API

Job description

Pontoon is hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a London-based engineering team. This 12-month contract role is onsite five days a week, offering a salary of £50,000–£80,000 per year plus competitive terms.

You will design and build scalable enterprise applications, deliver secure backend services in Java/Spring Boot, and develop modern front-end experiences with React or Angular, while collaborating with cross-functional teams in an Agile setup.