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Freelance Gen AI/LLM Engineer (Portuguese Speaking)

IF
3 days ago
Contract
On-site
London, England, United Kingdom
Generative AI

Role Details:

Level: Senior / Lead
Start Date: 1st June 2026

Duration: 6 months

Day Rate: Dependant on experience

Weekly hours: 4 days min

Location: Remote, GMT/BST or CET friendly

In this role you will work alongside experienced AI/ML Engineers, Data Scientists, Designers and Product Managers to prototype and bring to MVP the GenAI/LMM components of new city services for residents.

Overview of the role:

  • You will be our Gen AI expert in the team, your role will be a mix of hands-on and advisory

  • You will be designing, developing and testing elements of the GenAI/LLM solution alongside other team members and city teams.

  • You will also be responsible for providing technical advice and coaching to city teams, some of whom will be creating their own AI prototypes: e.g code reviews, technical coaching and guidance.

  • You will also be responsible for scoping: researching appropriate solutions and models, assessing feasibility, and ideating and designing suitable Gen AI/LLM solutions.

  • There will also be opportunities to get involved in broader aspects of the program, contributing to workshops, advising on skills development and helping cities identify and address potential risks introduced through the application of GenAI/LLMs.

Must have skills and experience:

  • Hands-on experience building LLM based applications (chatbots, agents, document extraction and summarisation, RAG based systems).

  • Strong programming skills, ideally in Python plus an LLM orchestration framework such as LangChain.

  • Experience with LLM safeguards and guardrails — e.g. managing hallucination risk and human-in-the-loop systems.

  • Experience working as part of an engineering team on a shared code base, ie using tools like Git, and documenting work that is in development.

  • Experience with API integration and data wrangling: ie data munging, data pipelines for ETL, data analysis

  • Experience with rapid prototyping and MVP delivery — propensity to build and prototype, focus on progress and learning over perfection

  • Ability to scope solutions based on existing data, skills, context constrains and ability to find pragmatic compromises and workarounds

  • Comfortable working with uncertainty and incomplete information, communicating the assumptions made along the way

  • Ability to work independently, solve problems that arise, use flexibility and comfortably to compromise

  • Collaborative team player, with an ability to work well with other team members from different disciplines and communicate ongoing work, including flagging potential risks in a timely manner

  • Ability to communicate and present technical ideas and concepts to non-technical stakeholders

  • Ability to coach and support other technical and non-technical people in performing technical activities

  • Ability to perform professional activities in Portuguese

Nice to have skills and experience:

  • Broader experience working with data, such as

    • Working with unstructured data, ie free text

    • Working with or generating synthetic data

    • Working with data in various languages

    • Working with geospatial data, including satellite data

    • Working with image data (for the purposes of computer vision), including video data

  • Broader experience working with in city and/or local government

  • Broader experience in Responsible AI

  • Broader experience working in complex projects with competing objectives