Freelancers using Python in SuwaneeFreelancers using Python in Suwanee
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Michael Plowden's avatar
Michael Plowden
Suwanee, USA
SQL Data Engineer | ETL, Power BI & Automation
New to Contra
SQL Data Engineer | ETL, Power BI & Automation
Cover image for I designed and supported automated
I designed and supported automated reporting workflows that moved data from source systems through validation and transformation into databases, spreadsheets, APIs, and reporting tools. The goal was to replace repetitive manual steps with dependable, maintainable automation. My work included API integrations, field mapping, data validation, error handling, and delivery or refresh steps using tools such as Zapier, Google Apps Script, SQL, and Python. The workflow and code shown are sanitized portfolio examples with no client data, credentials, or proprietary automation logic.
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Cover image for I built data-quality and reconciliation
I built data-quality and reconciliation checks to catch issues before they affected reporting, downstream processes, or business decisions. The work included validating required fields, standardizing formats, identifying invalid or duplicate values, reconciling source and reporting totals, and creating clear exception outputs for follow-up. The validation query shown is a sanitized portfolio example and does not contain client data or proprietary quality rules.
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Cover image for I built Power BI dashboards
I built Power BI dashboards for financial and operational reporting, with row-level security to ensure each user could see only the data permitted by their assigned role and region. The work included designing the data model, creating Power Query and DAX logic, configuring security access, and supporting dependable report refreshes. The dashboard and RLS rule shown are sanitized portfolio examples using sample data, with no client data or proprietary report elements included.
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Cover image for I consolidated 13 legacy SQL
I consolidated 13 legacy SQL queries and data pipelines into 2 streamlined workflows, reducing runtime by 60% while making the reporting process easier to maintain and support. The work involved reviewing existing logic, standardizing source data, simplifying transformations, and rebuilding the process around clearer, reusable SQL. The code shown is a sanitized example created for this portfolio and does not contain client data or proprietary code.
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Python(1)
Demilade Sodimu's avatar
Demilade Sodimu
Woodstock, USA
Frontend Developer (React) | Clean UI, Dashboards & Web Apps
Frontend Developer (React) | Clean UI, Dashboards & Web Apps
Cover image for A Django-based web platform for
A Django-based web platform for people who love space, astronomy, and everything cosmic. Users can connect with others who share their passion by joining or creating interest-based groups where they can post content and engage in discussions.
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Cover image for A simple admin dashboard application
A simple admin dashboard application built with React for managing users, analytics, and settings.
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Cover image for A Backend API for the
A Backend API for the DevBootcamp application to manage bootcamps, courses, reviews, users and authentication.
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Cover image for A modern web application designed
A modern web application designed to help job seekers discover opportunities and manage their job search more efficiently. The platform allows users to browse available job listings, filter roles by location, skills, and employment type, and view detailed job descriptions to better understand each opportunity.
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Python(1)
Chloe McMurtry's avatar
Chloe McMurtry
Roswell, USA
Full-Stack Developer | Software Engineer
Full-Stack Developer | Software Engineer
Cover image for Python Package Delivery
Python Package Delivery
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Cover image for LUXE Luxury Spa Website (Fictional, WIP)
LUXE Luxury Spa Website (Fictional, WIP)
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5
Cover image for Portfolio Website
Portfolio Website
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6
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Python(1)