Senior Full Stack Developer

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

Salary: £50,000 - 80,000 per year

Requirements

• Extensive Java development experience, including Java 17+
• Strong Spring Boot and microservices experience
• Strong React experience; Angular also considered
• Experience developing REST APIs
• Experience with cloud platforms such as AWS, Azure, or GCP
• Experience with Docker and Kubernetes
• Experience with CI/CD pipelines
• Experience working with Agile development practices
• Strong software engineering fundamentals
• Solidity development experience

Responsibilities

• Design, develop, and maintain scalable enterprise applications
• Build modern front-end applications using React or Angular
• Develop secure and performant backend services using Java and Spring Boot
• Design and build RESTful APIs and microservices
• Collaborate with Product Owners, Business Analysts, Architects, and Engineers to deliver business requirements
• Contribute to solution design, technical discussions, 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-based deployments
• Troubleshoot and resolve production issues when required
• Work within Agile/Scrum teams and contribute to sprint ceremonies

Technologies

• AWS
• Angular
• Azure
• Backend
• CI/CD
• Cloud
• Docker
• GCP
• Support
• Java
• Kubernetes
• REST
• React
• Solidity
• Spring
• Spring Boot
• microservices
• AI
• API
• Web
• Fullstack

More

We are an employment consultancy that puts expertise, energy, and enthusiasm into improving everyones 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. We are hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a high-performing engineering team in London. This is a 12-month contract with possible extension, offered at £700 - £750 inside IR35, and the role is onsite five days per week.

last updated 36 week of 2026