Contract Full Stack Developer (AI/ML)

Contract
Technology
Experienced
React, JavaScript, TypeScript, AI, Machine Learning, LLM, RAG, GenAI, SvelteKit
Windsor, Berkshire
Berkshire
£700 - £750 per day

Contract Full Stack Developer (AI/LLM Focus)

Day Rate: £700 - £750/day (Flexible Depending on Experience)

Initial Term: 6 months (Possibility of Extension)

Location: Windsor, UK (Hybrid)

Opportunity Overview

We're seeking a full stack developer with strong frontend expertise to join an innovation-driven project team. This role will be hands-on, fast-paced, and focused on delivering cutting-edge solutions that incorporate AI and Large Language Models (LLMs). You'll be working on proof-of-concepts, rapid prototypes, and production-ready features in a collaborative, agile environment.

Key Responsibilities

  • Deliver high-quality full stack solutions with an emphasis on React and modern JavaScript/TypeScript.
  • Contribute to AI/LLM projects including RAG, prompt engineering, and GenAI system development.
  • Collaborate with designers and product teams to translate AI into intuitive, user-friendly experiences.
  • Build PoCs and prototypes in short innovation cycles.
  • Develop cloud-native applications using AWS or Azure, containerisation, and CI/CD pipelines.
  • Apply software engineering best practices in secure, regulated, or enterprise environments.

Essential Skills & Experience

  • Strong frontend capability with React and JavaScript/TypeScript.
  • React expertise (SvelteKit knowledge is a plus).
  • Recent, hands-on AI/LLM development experience - ideally involving prompt engineering, RAG, or GenAI systems.
  • Proven track record in PoC delivery, rapid prototyping, and agile sprints.
  • Cloud-native development (AWS or Azure), containerisation, CI/CD.
  • Experience working in regulated industries (energy, finance, healthcare, telecoms, etc.).

Desirable Attributes

  • Exposure to innovation teams, startups, or experimental product environments.
  • Personal projects or initiatives showcasing creativity and innovation.
  • Experience with data visualisation, semantic search, or digital twins.
  • Strong communication and stakeholder engagement skills.

Why Apply?

  • Work on high-impact AI/LLM projects in a forward-looking team.
  • Hybrid working with flexibility.
  • Competitive day rates (£700-£750/day, potential for more for standout candidates).
  • Opportunity to extend beyond the initial 6-month term.

Next Steps:
If this sounds like your next contract, please send across your tailored CV highlighting your frontend capability, recent AI/LLM involvement, and PoC delivery experience. Shortlisted candidates will be contacted for a confidential discussion. You can also get in touch with Christian at TEC Partners for more information.

Similar Jobs

£70000 - £200000 per annum
Remote
A founding-level Tech Lead / future CTO role at a fully remote, well-funded AI startup building a user-facing "Notion for AI agents." You'll own product and engineering end-to-end, rapidly prototyping and shipping features while also working hands-on with multi-agent systems and AI infrastructure. Small team, long runway, high autonomy, and a clear path to CTO as the company scales.
€70000 - €100000 per annum
Ile de France
A Senior Data Engineer role focused on building the core data infrastructure for a well-funded AI ClimateTech startup. You'll work closely with the CTO to design and scale pipelines in Python, DBT, and PostgreSQL, enabling ML and LLM systems built on complex scientific data. High ownership, early-stage environment, and direct impact on AI products reducing CO₂ emissions.
€80000 - €120000 per annum
Berlin
Join an early-stage team building an applied AI platform for the construction industry, already live with leading enterprises. We're automating the back-office of construction companies by unlocking value from their unstructured data - PDFs, scans, and drawings, saving teams up to 90% of their time.
£40000 - £50000 per annum
London
An established engineering organisation operating in a highly technical environment is seeking a Software Test Engineer to join its growing team. This role offers the opportunity to work on software that supports complex products and services used in demanding, real-world applications.
£600 - £750 per day
Manchester
Key technical skills and experience include: * Significant experience in modern software engineering for digital products, including: o Java and microservice-based architectures o Event-driven systems (e.g. Kafka) o Modern data stores (e.g. MongoDB) o Well-structured approaches such as Hexagonal architecture OR * Significant experience in modern cloud infrastructure and DevOps, including: o AWS cloud platforms o Infrastructure as Code (e.g. Terraform) o CI/CD pipelines (e.g. GitLab CI, Jenkins)
£27 - £31 per hour
Oxfordshire
End User Device Engineer Location: Kidlington Rate: Up to £250 per day Umbrella Contract until end of March 2026 with possible extension
£70000 - £80000 per annum + + benefits
West Sussex
Tec Partners are working with a well-known utilities provider, who are looking for an experienced Software Developer, with React and Python experience, to join their team, focused on protecting the environment and maintaining water quality in the southern region. As a Software Developer, you will be a key technical contributor to one of their flagship digital products, focused on environmental protection. You will work with Reach and TypeScript on the front-end, Python on the back-end...
Tec Partners are working with a world-leading technology client who are currently looking for an experienced Senior Infrastructure Developer, with a strong background in infrastructure automation, Python and VMware Cloud Foundation (VCF) (or similar virtualization technologies). As a Senior Infrastructure Developer, you will automate configuration management and integrate APIs for virtualization platforms using VMware Cloud Foundation (VCF), working on large-scale deployments.
Negotiable
London
Tec Partners are working with a world-leading technology client who are currently looking for an experienced Senior Infrastructure Engineer, with a strong VMware Cloud Foundation (VCF) expertise. As a Senior Infrastructure Engineer, you will deliver virtualization platforms using VMware Cloud Foundation (VCF), working on large-scale deployments.
€50000 - €60000 per annum
Berlin
We are seeking a Java Developer to join a dynamic team delivering cutting-edge solutions within the defence and security sectors. You will play a key role in designing, developing and maintaining the critical backend infrastructure that supports vital services. This is a unique opportunity to work on diverse and challenging projects, contributing to real-world impact within a hybrid and flexible working environment.
€60000 - €70000 per annum
Berlin
We are seeking a Senior Frontend Developer to join a skilled team working on innovative and complex technology solutions within the defence and security sectors. In this role, you will be responsible for designing, developing and maintaining critical frontend applications that support key services. You will work on a variety of challenging projects and contribute to delivering solutions with real-world impact in a hybrid and flexible working environment.
€50000 - €60000 per annum
Berlin
A leading technology and engineering company specialising in defence systems is seeking a Software Test Engineer to join its growing software engineering team. This position plays a key role in building, testing, and maintaining high-quality software solutions that support a range of mission-critical products and services.