Senior Full Stack Developer

Senior Full Stack Developer

Posted 1 week ago by Montash

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Negotiable
Undetermined
Remote
London, UK
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Amazon Web Services (AWS) Application Programming Interface (API) Azure Kubernetes Service Back End (Software Engineering) Cloud Computing Cloud Technology Containerisation Continuous Integration and Continuous Delivery Docker (Software) End Systems Front End (Software Engineering) Full Stack Development Java (Programming Language) Kubernetes Microservices React.js Security Clearance Software Development

Summary: The Senior Full Stack Developer role involves delivering secure and scalable applications within Java and React ecosystems for a major digital programme. The position requires collaboration with an engineering team to design, build, and maintain high-performance systems, while also supporting cloud-native development on AWS. Active SC clearance is mandatory for this freelance/contract position. Occasional travel may be required for this remote role.

Key Responsibilities:

  • Develop Back End systems using Java and Spring Boot
  • Build Front End applications using React and Next.js
  • Deliver secure APIs and microservices to support distributed architectures
  • Contribute to AWS cloud implementation
  • Implement and maintain CI/CD pipelines
  • Work with containerisation tools (Docker, Kubernetes)
  • Collaborate with architects and senior engineers to drive technical decisions
  • Participate in code reviews, documentation, and best-practice engineering processes
  • Support greenfield development activities across the platform

Key Skills:

  • Extensive full stack development experience
  • Strong proficiency with Java, Spring Boot
  • Solid experience with React and Next.js
  • AWS cloud exposure
  • Strong understanding of API development and microservice architectures
  • Hands-on knowledge of CI/CD tooling and automation
  • Experienced with Docker and/or Kubernetes
  • Prior experience working on greenfield builds
  • Active SC clearance (mandatory)

Salary (Rate): undetermined

City: London

Country: UK

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

Job Title: Senior Full Stack Developer (SC Cleared)
Location: Remote, Occasional expenses paid travel may be required
Start Date: 5 January 2026
Contract Type: Freelance/Contract

We are seeking experienced Senior Full Stack Developers to join a major digital programme. This role involves delivering secure, scalable applications across Java and React ecosystems, contributing to new greenfield services, and supporting cloud-native development on AWS.

You will work within an engineering team responsible for designing, building, and maintaining high-performance systems that support a large transformation initiative.

Key Responsibilities
Develop Back End systems using Java and Spring Boot
Build Front End applications using React and Next.js
Deliver secure APIs and microservices to support distributed architectures
Contribute to AWS cloud implementation
Implement and maintain CI/CD pipelines
Work with containerisation tools (Docker, Kubernetes)
Collaborate with architects and senior engineers to drive technical decisions
Participate in code reviews, documentation, and best-practice engineering processes
Support greenfield development activities across the platform

Required Skills & Experience
Extensive full stack development experience
Strong proficiency with Java, Spring Boot
Solid experience with React and Next.js
AWS cloud exposure
Strong understanding of API development and microservice architectures
Hands-on knowledge of CI/CD tooling and automation
Experienced with Docker and/or Kubernetes
Prior experience working on greenfield builds
Active SC clearance (mandatory)

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