Role: Python Developer + AWS Location: London, UK Minimum 3 days a week onsite Job type: Contract AWS Developer Certification is mandatory. We are looking for two experienced Python Developers with strong AWS expertise to join our team. You will be involved in developing solutions across multiple workstreams, including Unit Tracking and Pre-alert (Event Generation) and Smart Flows (Analytics and Visibility). AWS Developer Certification is mandatory. A senior backend Python developer with proven experience in AWS environments, holding at least one AWS certification (preferably AppDev or Data Analytics). They should have hands-on experience with services like AWS Neptune and be confident in backend integration workflows. Ideal candidates will be London-based and comfortable working in a hybrid model (3 days onsite in Soho). Experience in AWS Supply Chain or enterprise logistics is a plus. Must demonstrate strong consulting presence and the ability to work within a ProServe-style delivery team." Must-Have Skills: • Strong Python development experience – especially for backend application development • Backend integrations and API development • AWS Certifications – especially Application Development or Data Analytics; candidate must be certified and confident (client values certification culture deeply) • Experience with AWS Neptune (graph database) • Capable of working on-site in Central London (Soho) at least 3 days/week