Full Stack Engineer – Generative AI

About the Opportunity

A leading technology-focused organisation is seeking a talented Full Stack Engineer to help design, build and scale innovative Generative AI solutions. This is an exciting opportunity to work on cutting-edge AI applications, contribute to production-grade platforms and collaborate with skilled professionals in a highly innovative environment.

The role offers exposure to emerging technologies, significant learning opportunities and the chance to influence both technical delivery and broader business initiatives.

The Role

As a Full Stack Engineer, you will:

• Collaborate with multidisciplinary teams to develop Generative AI proof-of-concepts using technologies such as Retrieval-Augmented Generation (RAG) and intelligent agents.
• Scale successful proof-of-concepts into robust, production-ready solutions.
• Design and develop full stack applications across both AI-driven and traditional software projects.
• Support the development of infrastructure that enables secure, scalable and reliable end-to-end solutions.
• Explore emerging technologies and apply new innovations to real-world challenges.
• Share knowledge across the team through coaching, mentoring and technical guidance.

Additional Opportunities

Business Development

You will have the opportunity to:

• Lead or contribute to proposals, bids, RFP responses and customer presentations.
• Help develop new service offerings and innovative solutions.
• Participate in customer engagement and business development activities.

Internal Initiatives

You may also contribute to:

• Internal campaigns, thought leadership activities and whitepaper development.
• Recruitment, team-building initiatives and practice operations.
• The evolution of technical capabilities, services and offerings.

Learning & Development

The organisation is committed to continuous professional growth, offering:

• Access to training and industry-recognised certifications.
• Opportunities to develop expertise in emerging technologies and high-demand areas, including Generative AI.
• A collaborative environment that supports ongoing learning and career progression.

Skills & Experience

Eligibility

• Must hold active SC (Security Check) Clearance or be eligible to obtain and maintain this level of clearance.

Technical Expertise

Backend Development

• Experience building microservices using Python with FastAPI, TypeScript with Express, or equivalent technologies.

Frontend Development

• Experience developing React applications using TypeScript.
• Familiarity with frameworks such as Next.js, Vite, or similar.

Generative AI Technologies

• Experience with Generative AI frameworks such as LangChain, LangGraph, CrewAI, Vercel AI, or equivalent tools.
• Practical experience working with Large Language Models (LLMs), including platforms such as OpenAI, Anthropic, Mistral, Llama, or similar.
• Familiarity with tools that support local or hosted model deployment.

Cloud & Infrastructure

• Proficiency in AWS or Azure for application hosting and deployment.
• Hands-on experience with Docker, Kubernetes and Docker Compose.
• Exposure to Infrastructure as Code tools such as Terraform.
• Experience with CI/CD platforms including GitHub, GitLab, Jenkins, or similar.
• Familiarity with monitoring and observability tools for AI applications and services.

Database Technologies

• Experience with vector databases such as ChromaDB, Pinecone, PGVector, Qdrant, MongoDB, or similar solutions.
• Familiarity with NoSQL databases.
• Experience working with SQL databases, particularly PostgreSQL or equivalent.

Version Control

• Strong experience using Git and modern version control platforms.

Working Practices

• Experience working within Agile delivery environments.

Communication Skills

• Strong stakeholder management and communication skills.
• Ability to communicate effectively with both technical and non-technical audiences.
• Comfortable collaborating with internal teams and external stakeholders.

Why Apply?

This is an opportunity to join a forward-thinking organisation where innovation, collaboration and professional growth are central to success. You will work on impactful projects, contribute to the adoption of emerging technologies and play a key role in delivering next-generation AI solutions.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Full Stack Developer | React, .NET & Azure

£500pd via Umbrella

London/Hybrid working

Leading business is looking to bring an experienced Full Stack Developer to join for an initial 3-month contract, with a strong likelihood of extension.

Key Skills

• ReactJS
• TypeScript / JavaScript
• C# / .NET / ASP.NET
• SQL Server
• Azure
• REST APIs & Microservices
• HTML, CSS, Tailwind
• Agile delivery environments

What You’ll Be Doing

• Building and enhancing modern web applications
• Developing scalable APIs and backend services
• Collaborating with Product, UX and Engineering teams
• Improving performance, accessibility and user experience
• Contributing to technical design and engineering best practice

#fullstackdeveloper #c# #.net #typescript #javascript #sqlserver #contractjobs

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Sanderson are working with a purpose driven digital transformation consultancy that partners with organisations across the public sector to improve services and deliver meaningful change. Combining expertise in technology, data and human-centred design, the consultancy focuses on building sustainable digital solutions that make a positive difference.

As a Lead Software Engineer, you’ll play a key role in designing and developing high-quality software solutions, providing technical leadership and supporting a team of engineers to deliver secure, scalable and reliable applications. You’ll combine hands-on development with mentoring, architectural decision-making and driving engineering best practice.

This is an excellent opportunity for an experienced engineer who enjoys leading from the front, working collaboratively and contributing to impactful public sector digital transformation projects.

Key Responsibilities

• Lead the design, development and delivery of complex software systems, ensuring high standards of quality, security, scalability and performance.
• Provide technical leadership, coaching and mentoring to software engineers, supporting their professional development and encouraging knowledge sharing.
• Write high-quality, well-tested code and promote best practice across software development, testing and continuous delivery.
• Collaborate with multidisciplinary teams and stakeholders to translate requirements into effective technical solutions.
• Drive continuous improvement across engineering processes, application performance, reliability and security.
• Conduct code reviews, provide constructive feedback and maintain consistent engineering standards.
• Implement and maintain CI/CD pipelines and contribute to modern DevOps practices.
• Troubleshoot complex technical issues and support the delivery of reliable software solutions.
• Contribute to technical discussions, knowledge-sharing initiatives and, where required, recruitment and early-stage bid activities.

Skills & Experience

• Strong hands-on experience with Java and Spring Boot
• Experience designing and developing microservices-based applications and scalable software architectures
• Good knowledge of AWS or other cloud platforms, alongside infrastructure as code
• Experience writing well-tested code and working with automated testing frameworks
• Familiarity with CI/CD pipelines, DevOps practices and Agile software development methodologies
• Experience with containerisation technologies such as Docker and Kubernetes
• Proven ability to lead engineering teams, provide technical guidance and mentor other developers
• Strong communication and collaboration skills, with the ability to explain technical concepts to a range of stakeholders
• A proactive approach to problem-solving, continuous improvement and knowledge sharing

This is a full-time, permanent, fully remote role, offering a salary up to £80,000 depending on experience.

Please note: Successful applicants must be able to undergo BPSS (Baseline Personnel Security Standard) checks.

Apply now or contact [email protected] for more information

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

We are looking for an experienced Advanced R Developer / Software Engineer to support the modernisation of complex, business-critical analytical and reporting applications.

The role will focus on upgrading existing R-based tooling onto modern platforms, reducing technical debt and ensuring established business outputs remain accurate and consistent throughout major system and code changes.

Key Responsibilities

• Develop, maintain and refactor complex R applications and analytical tooling.
• Modernise legacy R code and migrate solutions onto newer platforms.
• Build and maintain data transformation pipelines and reusable R packages.
• Improve code quality, maintainability, performance and engineering standards.
• Design and implement robust testing and validation approaches.
• Carry out regression testing, reconciliations and automated validation to ensure changes do not impact established outputs.
• Maintain and enhance business-critical reporting and analytical solutions.
• Redesign reporting logic to support evolving business and regulatory requirements.
• Work with data and reporting stakeholders to ensure continuity and accuracy of outputs.
• Support version control, CI/CD and modern software engineering practices.

Essential Experience

• Expert-level commercial experience developing applications and solutions in R.
• Strong software engineering background, including production-grade coding practices.
• Experience refactoring and modernising complex or legacy R applications.
• Strong experience with data transformation pipelines and R package development.
• Experience designing automated testing, regression testing and validation frameworks.
• Strong understanding of data modelling and analytical reporting solutions.
• Experience working with SQL and version control tools such as Git / Azure DevOps.
• Ability to work independently within complex, highly controlled environments.

Desirable Experience

• Experience with Databricks and scalable data engineering or analytics architectures.
• Power BI and data visualisation experience.
• Python development experience.
• Microsoft Power Platform exposure.
• Strong Excel capability.
• Experience working with regulatory, financial or other highly controlled reporting environments.

Technology Stack

R | SQL | Git / Azure DevOps | Power BI | Databricks | Python | Microsoft Power Platform | Excel

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Senior Full Stack Developer – .NET / C# / React / TypeScript

Salary: £60,000 – £65,000
Location: Fully Remote (UK) – Occasional quarterly visits to Cheltenham
Contract: Permanent, Full-Time
Security Clearance: Must be eligible for SC Clearance

The Opportunity

I have an exciting opportunity for an experienced Senior Full Stack Developer to join a growing UK-based software company specialising in the development of secure, bespoke applications and SaaS solutions.

The business develops complex, business-critical software platforms used across highly regulated environments, with an expanding portfolio of projects both in the UK and internationally.

You’ll be joining a close-knit, experienced engineering team where you’ll have the opportunity to take ownership of development activities, contribute to technical decisions and work across the full software development lifecycle.

With continued growth planned, this is an excellent opportunity for someone who enjoys working in smaller, collaborative teams and wants to make a genuine impact on the products they develop.

Key Responsibilities

• Design, develop and maintain full stack web applications using .NET, C#, React and TypeScript.

• Build and support scalable backend services, APIs and database solutions.

• Develop responsive, user-friendly frontend applications using modern JavaScript frameworks.

• Contribute to the development and improvement of CI/CD pipelines and deployment processes.

• Work collaboratively with other developers to analyse requirements, design solutions and deliver new functionality.

• Support existing applications, troubleshoot technical issues and implement improvements.

• Participate in technical discussions, code reviews and continuous improvement activities.

• Help maintain high standards of software quality, security and performance.

Technical Skills & Experience

Essential:

• Strong commercial experience developing applications using C# and .NET / .NET Core.

• Experience building modern frontend applications using React and TypeScript.

• Good knowledge of Microsoft SQL Server and relational databases.

• Experience working with REST APIs and web services.

• Understanding of CI/CD pipelines and modern software development practices.

• Experience working across the full software development lifecycle.

• Comfortable working independently and collaboratively within a small engineering team.

Desirable:

• Experience with Microsoft Azure and cloud-hosted applications.

• Knowledge of HTML, CSS and JavaScript.

• Experience developing secure applications within regulated environments.

• Exposure to mobile application development, particularly Xamarin.

• Familiarity with ISO 27001 or security-focused development practices.

About You

We’re looking for a well-rounded Full Stack Developer who enjoys being hands-on and taking ownership of their work.

You’ll ideally have experience working within smaller development teams, where collaboration, adaptability and problem-solving are essential.

You’ll be confident contributing across both frontend and backend development, comfortable discussing technical solutions and motivated by building reliable, high-quality software.

Security Clearance Requirements

Due to the nature of the projects, applicants must be eligible to obtain UK Security Check (SC) clearance. For this particular opportunity, candidates must hold British citizenship and have at least five years of UK address history.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.