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Josh Walker

Josh Walker

Data | Python freelance contractor

Technology / Internet

London, Greater London

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About Josh Walker:

Experienced Python Developer and Data Consultant with over 4 years in delivering scalable backend systems, data pipelines, and cloud-based solutions. Proven track record of building robust architectures using Python, Azure, and CI/CD practices. Passionate about using technology to drive meaningful, sustainable impact. Strong collaborator with a focus on clean code, performance optimisation, and product delivery in fast-paced environments.

Experience

Over 4 years of experience as a Data Consultant and Python Developer, delivering end-to-end solutions across financial modelling, cloud data pipelines, and analytics tooling. Led the development of a custom financial calculation engine using Python and Pydantic, implemented CI/CD workflows with Azure DevOps, and built scalable ETL processes using Azure Data Factory and Databricks. Skilled in working with large datasets, optimising backend performance, and integrating third-party APIs. Adept at collaborating with cross-functional teams to deliver impactful, production-ready systems in agile environments.

Education

Physics degree from St.Andrews

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