Full-Stack Developer at CogCo, London, 6 Months, £Apply with Day Rate

6 Months or more Information Technology

Contract Description

About CogCo 

CogCo is a consultancy that specialises in understanding and influencing human behaviour. We help organisations understand the behaviour of their users, customers, or employees, and improve their products, services and campaigns. We do this by combining insights and methods from behavioural science, design and data science. We work with large corporations, scaling technology firms, universities, charities and governments. 

 

Structure

We expect an ongoing commitment for an initial 6-month period that will include regular 2 week sprints, with additional hours depending on project requirements. We are flexible and happy to have a conversation about preferred working structure, time requirements and working style.

 

Roles and responsibilities

We are looking for a freelance full-stack developer to help us develop a new AI powered product. We will be building the product in sprints so we can ship and test in a fast manner so we need some who can work to deadlines, can get going immediately and is comfortable working in a start-up like environment. The product will be used by large global organisations in a range of sectors from Banking to Pharmaceuticals so a strong understanding and experience of how to build secure web based software is necessary. You will be working alongside our Data Scientists and Designers so someone who can work in a collaborative cross disciplinary team is critical.

 

You will be expected to:

 

  • Be able to work in intense 2 week sprints for 6 months
  • Collaborate and contribute to product feature planning (from a technical perspective)
  • Be able to write statements of work for sprints
  • Develop a secure MVP front-end
  • Develop a secure MVP back-end 
  • Able to join weekly and ad-hoc (with warning) meetings

 

Skills and experience

You must be able to demonstrate the following:

  • Expert knowledge of a React framework (ideally Next.js)
  • Strong skills in building and deploying REST APIs
  • Good experience writing unit and integration tests with tools like Jest
  • Must be able to set-up a secure CI/CD pipeline
  • Ability to deploy and manage our back-end and front-end
  • Experience using Supabase (or another BaaS with secure auth)
  • Experience using Postgres DB
  • Experience building secure web based application

 

Nice to have but not essential

  • Experience using Azure and/or AWS
  • Experience working with Large Language Models and/or LLM frameworks (e.g. LangChain, LlamaIndex)

 

How to apply

If you are interested in the role, please send an email to (harry.sayers@cogco.co), including:

 

  • Your availability and flexibility over the next six months
  • A short paragraph outlining how your experience aligns with the job criteria
  • Examples of previous work (a simple link to your portfolio is acceptable)
  • Your day rate