Contract Full-Stack Engineer - Python / PostgreSQL

Contract Full-Stack Engineer – Python / PostgreSQL (Fintech, 3 Months, Outside IR35) Avanti Recruitment is supporting a fintech client in their search for a contract Full-Stack Engineer to help rebuild complex Excel-based workflows into lightweight, cloud-hosted web applications. The tech stack is lean and purposeful: Python (Flask), JavaScript (vanilla with Bootstrap, Tabulator, and Plotly), and PostgreSQL. Key responsibilities: – Rebuilding spreadsheet-heavy workflows as performant, web-based tools – Developing Flask APIs and dynamic UIs using JavaScript and data visualisation libraries – Structuring and transforming data using pandas, openpyxl, and pydantic – Writing and tuning advanced PostgreSQL queries, including work with JSONB If you are currently on the market and have the above experience then please apply online today…