Senior Python Data Scraping Engineer (Freelance)

Job Description

About Us

Halo Labs is a future focused, end-to-end data solutions firm – transforming tomorrow, today. Our intelligent and secure technology systems and data driven solutions drive meaningful outcomes and unlock lasting value.

Why work at Halo Labs?

Leading Innovation: We don’t just solve problems; we illuminate a never-ending stream of innovation.

Exceptional Perks: Enjoy outstanding perks like a dedicated learning budget, performance bonuses, and comprehensive wellbeing support.

Remote-First Organisation: Experience the perks of remote work while having the flexibility to travel to client locations throughout Australia.

Inclusive and Engaging: Celebrate diversity in a welcoming space that thrives on new ideas and open conversations, all in a respectful environment.

Inspiring Origins: With a compelling founder story, we are a customer-focused, culture-first organisation.

About the role

• Design, develop, and maintain reusable in-house PySpark frameworks to enforce standardised data engineering patterns across the SaaS platform


• Architect and implement scalable, production‑grade ETL/ELT pipelines across Azure and AWS environments


• Build distributed data processing solutions using Python and PySpark on Databricks


• Develop batch and near real‑time ingestion pipelines integrating third‑party clinical systems, healthcare APIs, and external enterprise platforms


• Design secure data integration patterns (REST APIs, SFTP, event‑driven ingestion, webhooks) ensuring compliance and data integrity


• Work closely with Software Engineers to embed data services directly into the SaaS product architecture


• Contribute to backend system design discussions to ensure data layer scalability, observability, and performance


• Implement CI/CD pipelines using Azure DevOps, Git, and Azure Pipelines for automated deployment and testing of data workloads


• Apply infrastructure‑as‑code and environment management best practices across Azure and AWS


• Optimise Spark jobs, cluster configurations, and storage strategies for performance and cost efficiency


• Design and maintain robust data models, including dimensional models and SaaS‑oriented data schemas


• Implement data validation, monitoring, and alerting to ensure pipeline reliability and production stability


• Provide technical mentorship and enforce engineering standards across the analytics and data engineering team

About you

• Strong hands‑on experience with Azure services including Databricks, Azure Data Factory, Azure SQL, Azure Storage, and Azure DevOps


• Practical experience with AWS services relevant to modern data platforms (S3, Lambda, RDS, Glue, IAM, etc.)


• Advanced proficiency in Python, SQL, and PySpark for large‑scale distributed data processing


• Deep experience configuring and managing Databricks clusters for scalable big data workloads


• Experience building production‑ready data pipelines in a SaaS or product‑led engineering environment


• Strong understanding of cloud‑native data architecture, including data lakes, lakehouse architecture, and modular pipeline design


• Experience integrating with third‑party systems via APIs and secure data exchange mechanisms


• Exposure to healthcare or regulated data environments, including handling sensitive data securely


• Strong knowledge of data modelling, metadata management, and data governance principles


• Experience implementing automated testing frameworks for data pipelines


• Solid understanding of DevOps practices including Git workflows, branching strategies, and CI/CD automation


• Degree in Computer Science, Engineering, Data Science, or related technical field

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