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Senior Full Stack Developer

Haystack
Department:Web Design
Type:REMOTE
Region:UK
Location:London, England, United Kingdom
Experience:Mid-Senior level
Salary:£124,800 - £160,160
Skills:
JAVASPRING BOOTAWSTERRAFORMPOSTGRESQLDOCKERJENKINSGITHUB ACTIONSPYTHONHTMLJAVASCRIPT
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Job Description

Posted on: April 23, 2026

Senior Developer | £600 - £770 We're working with a leading digital transformation partner delivering high-impact cloud solutions for the public sector on this exciting opportunity. We are looking for a heavy-hitting Senior FullStack Developer to drive innovation in a cloud-native environment. You will be instrumental in architecting scalable services using Java and Spring Boot while leveraging AWS and Terraform to build mission-critical infrastructure that impacts millions. The Role

  • Lead the development of robust, secure backend services using Java and Spring Boot (Spring Security, Web Services).
  • Design and optimize complex PostgreSQL database schemas for high-performance data management.
  • Architect and deploy scalable cloud infrastructure on AWS using Terraform as your primary Infrastructure-as-Code tool.
  • Build and manage automated CI/CD pipelines through Jenkins and GitHub Actions to ensure rapid, reliable delivery.
  • Collaboration is key; you will work in an agile, remote-first team to solve complex technical challenges and handle architectural ambiguity.

What You'll Need

  • Deep hands-on expertise in Java/Spring Boot and Python scripting for automation and backend logic.
  • Proven experience with AWS services and managing Infrastructure-as-Code (IaC) via Terraform.
  • Strong proficiency in containerization using Docker and modern DevOps workflows with GitHub and Jenkins.
  • Solid front-end integration skills using HTML and JavaScript to bridge the gap between UI and API.
  • Active SC Clearance (or clear eligibility to obtain it) is essential for this high-security project environment.

What's On Offer

  • Highly competitive daily rate of £600 - £770 (Inside IR35).
  • 100% remote working flexibility allowing for a perfect work-life balance.
  • The chance to work on large-scale, innovative cloud projects that provide genuine professional challenge and growth.

Apply via Haystack today!

Originally posted on LinkedIn

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