Senior Full Stack Developer

Adecco 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.

Job title: Senior Full Stack Developer (Front End - Java / Angular / Solidity)

Location: London (5 days per week onsite)

Contract: 12 months with possible extension

Rate: £700 - £750 inside IR35

Overview

We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications.

This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences.

The successful candidate will have strong Java and Front End development experience, a passion for software engineering best practices, and experience working within Agile delivery teams.

Key Responsibilities

• Design, develop and maintain scalable enterprise applications.
• Build modern Front-End applications using React (preferred) 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.

Required Skills & Experience

Essential Skills

• Extensive Java development experience (Java 17+)
• Strong Spring Boot and Microservices experience
• Strong React experience (Angular also considered)
• REST API development
• Cloud platforms (AWS/Azure/GCP)
• Docker and Kubernetes
• CI/CD pipelines
• Agile development practices
• Strong software engineering fundamentals

• Solidity development

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.