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# Senior Fullstack Software Engineer

- **Company:** Sanderson Recruitment Plc
- **Location:** United Kingdom
- **Experience:** Expert
- **Salary:** £50,000 - £65,000
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, Agile Methodology, Amazon Web Services, Architectural Patterns, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Software Quality, Code Review, Continuous Integration, DevOps, Python (Programming Language), Node.Js, Software Engineering, Software Systems, ReactJS, Containerization, Kubernetes, Code Testing, Terraform, Serverless Computing, Docker, Programming Languages, Microservices
- **Published:** November 12, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-8827C9F00BF147A988/

## About the Role

* Proven experience in full-stack software development across design, build, test, and deployment
 * Strong experience in at least one of the following:
 + Java
 + Python
 + C#/.NET
 + Full-stack JavaScript (eg React, Node.js)
 * Comfortable working as a polyglot engineer, adapting to different technologies as needed
 * Strong understanding of Agile and DevOps practices, including CI/CD
 * Experience with cloud platforms such as AWS, Azure, or GCP
 * Familiarity with infrastructure as code (eg Terraform)
 * Experience with modern architectures such as microservices, containerisation (Docker/Kubernetes), or serverless
 * Knowledge of automated testing and modern development practices
 * Awareness of secure-by-design and well-architected principles
 * Strong communication skills across technical and non-technical stakeholders

Desirable

 * Experience operating in a senior engineering role
 * Proficiency across multiple programming languages
 * Experience working on government or public sector projects
 * Background in consulting or client-facing environments

Key Skills

 * Developing scalable, high-quality software solutions
 * Writing clean, maintainable, and testable code
 * Driving code quality through reviews and testing practices
 * Collaborating effectively across multidisciplinary teams
 * Communicating complex ideas clearly
 * Mentoring and developing engineers
 * Continuous learning and process improvement

If you're looking to deliver meaningful digital services in complex environments-while maintaining flexibility across technologies and having real influence on engineering outcomes-this role offers both challenge and opportunity.

## Description

As a Senior Software Engineer, you will design, build, and deliver high-quality software solutions across a variety of complex projects. You will play a key role in shaping technical direction, contributing to architecture, and ensuring engineering best practices are followed.

You'll operate as part of agile, cross-functional teams, while also mentoring junior engineers and supporting continuous improvement across engineering capability.

A key part of this role is adaptability-working across different technologies and environments depending on client need., * Design, develop, and maintain scalable, secure, and robust software solutions

 * Contribute to architectural decisions and system design
 * Work across the full software development life cycle from concept through to deployment
 * Troubleshoot and resolve complex technical challenges

Quality & Best Practice

 * Write clean, maintainable, and well-tested code
 * Implement and optimise CI/CD pipelines
 * Conduct code reviews and uphold high engineering standards
 * Ensure solutions follow secure-by-design and well-architected principles

Collaboration & Delivery

 * Work within agile, multidisciplinary teams including product, UX, DevOps, and QA
 * Engage in early project discussions, providing technical insight and direction
 * Communicate technical concepts clearly to non-technical stakeholders
 * Support delivery planning and ensure alignment to business and user needs

Leadership & Mentorship

 * Mentor and support junior engineers to develop their skills
 * Promote best practice and continuous improvement across the team
 * Contribute to the development of engineering standards and processes

Continuous Improvement

 * Stay up to date with emerging technologies and industry trends
 * Drive improvements in coding standards, testing, and development practices
 * Support adoption of new tools and methodologies