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Senior Software Engineer - hybrid working (Permanent)

Confidential | oxfordshire, United-Kingdom | Posted June 11, 2026

Position Overview

Senior Software Engineer (Contract)
Remote / Oxford (Flexible Hybrid)
£500 – £600 per day (Outside IR35)
3–6 Month Contract
We’re supporting an innovative deep-tech company developing AI-driven software within a highly complex scientific environment. They’re looking for an experienced Senior Software Engineer to help accelerate backend platform development as they continue to scale.
This is a hands-on contract role focused on building robust backend services, APIs, and scalable applications using Python. You’ll work closely with a highly technical engineering team, contributing across architecture, development, and delivery in a fast-paced environment.
What They’re Looking For
Strong commercial Python experience
Experience building APIs and backend services using FastAPI, Flask or similar
Strong understanding of scalable software engineering and system design
Experience with cloud platforms and containerised environments
Comfortable working au...

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