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Lorien

Python Developer

Hybrid

London, United kingdom

£ 800 /day

Freelance

10-11-2025

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Skills

Python SQL DevOps Docker Test GCP FastAPI

Job Specifications

Senior Python Backend Developer
Kings Cross, London- Onsite 2/3 days a week
6 month contract
Inside of IR25
£750 - £800 per day

My client is seeking a highly skilled software engineer to join its AI/ML team, contributing to the development of cutting-edge applications that accelerate drug discovery and enable personalised therapies. The ideal candidate will have strong Python backend development experience, preferably with FastAPI, and be proficient in cloud-native infrastructure (Google Cloud preferred), DevOps practices, and automated testing. While a background in life sciences is a plus, a passion for improving healthcare through technology is essential. The role involves integrating AI/ML components into scalable web applications, collaborating across technical teams, and continuously improving software quality and performance.

Key responsibilities

Back end development for a Python web application
Integration of AI/ML components with frontend, backend, data and compute infrastructure
Responsible for high quality software implementations according to best practices, including automated test suites and documentation
Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them
Participate in code reviews, continuously improving personal standards as well as the wider team and product
Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products

Basic qualifications:

Extensive experience conducting Bankend Development using Python.
Concurrency and Asyn exp
Demonstrated experience using FastAPI
Cloud Experience - GCP Essential
SQL
Docker
Containerization
Unit testing experience - TDD or Test Suit
ML or AI experience would be desriable.
Experience within Life Sceiences or Pharma Sector

About the Company

Lorien is a technology, transformation and telecom talent solutions specialist. We combine tech expertise with the scope, depth and breadth of large-scale talent solutions. Driven by both clients and candidates, covering Europe and the US, we work with all sectors, sizes and tech needs – from start-up to established, tech companies and those who use tech to propel them further - we work with them all. Our unique position in the market means we have the insight to create tailored solutions – keeping our clients ahead of t... Know more