Senior Python Developer – London
Summary
Senior Python developer to work either on a greenfield security platform within a Data Team or building and upgrading APIs, using Python, FastAPI and Pandas, strong SQL (PostgreSQL, MySQL, Cloud SQL), and cloud infrastructure on GCP or AWS provisioned with Terraform.
Salary: £? - ? per year
Requirements:- Expert Python development skills
- Strong coding standards, including SOLID, design patterns, and TDD
- Experience with relevant frameworks and libraries, including Pandas and FastAPI
- Strong SQL knowledge, including PostgreSQL, MySQL, and Cloud SQL
- Cloud infrastructure experience, ideally with GCP or AWS
- Terraform experience
- Contribute to a greenfield security platform initiative within the Data Team, or build and upgrade APIs within the Engineering Team.
- Ada
- AWS
- Cloud
- FastAPI
- GCP
- MySQL
- PostgreSQL
- Python
- SQL
- Security
- TDD
- Terraform
- pandas
- API
More:
We at Ada Meher are partnered with a client seeking multiple Senior Python Engineers in London for two roadmap initiatives. The technology stack includes Python, Pandas, FastAPI, SQL, cloud infrastructure, and Terraform; candidates with AWS experience are also encouraged to apply. The initial contract is 3–6 months, with a strong opportunity for extension as the business grows. The role is outside IR35 and hybrid, with travel to Central London ideally 1–2 days per week.
last updated 41 week of 2026