Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Senior Software Engineer with proven expertise in developing scalable business intelligence platforms and full-stack applications across commodity, political, and publishing sectors. At ResourceWise, I designed and implemented a trade data ETL system in Python that doubled processing speed through concurrency while consolidating legacy systems to reduce costs, ensuring data accuracy through analyst validation. I am known for solving complex problems independently, exceeding technical assessments, and delivering reliable results under pressure. Colleagues and supervisors describe me as a results-driven innovator who helps organizations cut costs, increase efficiency, and unlock new revenue opportunities through technology.…I am a Senior Software Engineer with proven expertise in developing scalable business intelligence platforms and full-stack applications across commodity, political, and publishing sectors. At ResourceWise, I designed and implemented a trade data ETL system in Python that doubled processing speed through concurrency while consolidating legacy systems to reduce costs, ensuring data accuracy through analyst validation. I am known for solving complex problems independently, exceeding technical assessments, and delivering reliable results under pressure. Colleagues and supervisors describe me as a results-driven innovator who helps organizations cut costs, increase efficiency, and unlock new revenue opportunities through technology.

Justin MacCreery

Web Developer, Programmer, Full Stack Developer, +1





I am a Senior Software Engineer with proven expertise in developing scalable business intelligence platforms and full-stack applications across commodity, political, and publishing sectors. At ResourceWise, I designed and implemented a trade data ETL system in Python that doubled processing speed through concurrency while consolidating legacy systems to reduce costs, ensuring data accuracy through analyst validation. I am known for solving complex problems independently, exceeding technical assessments, and delivering reliable results under pressure. Colleagues and supervisors describe me as a results-driven innovator who helps organizations cut costs, increase efficiency, and unlock new revenue opportunities through technology.…I am a Senior Software Engineer with proven expertise in developing scalable business intelligence platforms and full-stack applications across commodity, political, and publishing sectors. At ResourceWise, I designed and implemented a trade data ETL system in Python that doubled processing speed through concurrency while consolidating legacy systems to reduce costs, ensuring data accuracy through analyst validation. I am known for solving complex problems independently, exceeding technical assessments, and delivering reliable results under pressure. Colleagues and supervisors describe me as a results-driven innovator who helps organizations cut costs, increase efficiency, and unlock new revenue opportunities through technology.

Available to hire

I am a Senior Software Engineer with proven expertise in developing scalable business intelligence platforms and full-stack applications across commodity, political, and publishing sectors. At ResourceWise, I designed and implemented a trade data ETL system in Python that doubled processing speed through concurrency while consolidating legacy systems to reduce costs, ensuring data accuracy through analyst validation.

I am known for solving complex problems independently, exceeding technical assessments, and delivering reliable results under pressure. Colleagues and supervisors describe me as a results-driven innovator who helps organizations cut costs, increase efficiency, and unlock new revenue opportunities through technology.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Sr. Open-Source Full-Stack Developer at ResourceWise

October 20, 2024 - August 23, 2025

Led the full-stack software development lifecycle for creating a unified content management system that integrates data from multiple business intelligence platforms across six subsidiary data teams. Developed trade data ETL systems using PySpark to efficiently import and process Global Trade Tracker's API data. Collaborated with business analysts to develop a 'Forest Verticle' application consolidating forestry data into a single platform. Refactored trade systems to unify disparate legacy systems, improving efficiency and fault tolerance while reducing costs. Worked closely with international consultants for proper localization adapting applications across languages, formats, and cultures. Designed a generic panel framework using Highcharts and MDBootstrap for use in the Prima CarbonZero application. Partnered with system stakeholders on requirements, architecture design, development, and deployment of MVC business intelligence applications including Prima Carbon Zero and ChemIntel.

Software Engineer at Dem Soft - An Apex CoVantage startup

December 31, 2018 - August 23, 2025

Rapidly built a single-page embedded application for the 2017 Virginia State election allowing users to submit state-approved signed PDF absentee ballot applications. Integrated an automated notification system linked with a ballot tracking API to notify applicants of ballot status and location within USPS. Coordinated with statewide political campaign IT departments for seamless embedding of the absentee ballot application into candidate platforms. Developed a political action content management system using AngularJS while mentoring an intern. Engineered an interactive political campaign data collection and analysis application. Collaborated with political specialists and PAC stakeholders to collect, negotiate, and document requirements, and evaluated Laravel, ReactJS, and AngularJS as potential toolkits. Directed offshore development teams implementing software specs using AngularJS and MySQL, providing QA and deployment support.

Open-Source Full-Stack Developer at Dairy Business Communications

June 30, 2017 - August 23, 2025

Engineered new public websites for Dairy Business Communications, including dairybusiness.com and holsteinworld.com, based on existing WordPress frameworks. Maintained and expanded the original WordPress-based magazine websites. Coordinated with customers, sales and marketing, graphics design, art, and IT teams to document specifications and develop multiple customer web applications. Collaborated with graphic design and art departments to create UI/UX frameworks using Adobe Creative Cloud tools such as Photoshop, InDesign, and Premier to be shared across platforms as a cost-saving measure.

Web Developer at CoOp 2 Nature Studios

December 31, 2011 - August 23, 2025

Assisted in developing customized websites using Linux, Apache, MySQL, PHP (LAMP stack), Bootstrap, jQuery, .NET, HTML5 and CSS3.

Technical Support Manager at Syrasoft LLC

December 31, 2009 - August 23, 2025

Responded to all customer inquiries; onboarded and trained new employees. Resolved escalated and programmatic issues by detailed analysis and coordination with the development team. Represented tech-support during developer, owner, and marketing meetings. Installed, supported, and partially coded Syrasoft’s first web payment system using MS IIS & VB.net.

Senior Software Developer at ResourceWise

October 1, 2024 - September 24, 2025

Directed full-stack SDLC of a unified CMS consolidating data from six subsidiaries, improving efficiency and reducing costs across multiple business intelligence platforms. Designed client-facing data visualization tools that transformed complex datasets into interactive charts and graphs for quick insights. Migrated fragmented SAS/MS SQL processes to a unified Python/PostgreSQL system, streamlining data ingestion and saving approximately $100,000 annually in licensing and server costs while enabling direct CMS integration. Collaborated with international consultants to adapt systems for multilingual and cross-regional compliance.

Software Engineer at DemSoft

December 1, 2018 - September 24, 2025

Delivered an embeddable absentee ballot application in under two months by independently leading all development and integration with campaign systems and the USPS API, ensuring secure voter submissions and real-time ballot tracking. Developed a political actor CMS with AngularJS to support campaign operations and data-driven strategies, facilitating stakeholder alignment after the 2017 election. Coordinated an offshore development team to deliver election-critical applications on time despite time zone differences and data structure inconsistencies, implementing precise data mapping and validation to ensure reliable functionality and accurate reporting.

OpenSource FullStack Developer at DairyBusiness Communications

June 1, 2017 - September 24, 2025

Engineered WordPress and custom LAMP websites for DairyBusiness and Holstein World magazines, coding integrations between editorial content and advertising systems. Consolidated content, advertising, and creative workflows into a single management system, reducing costs and improving cross-department coordination. Partnered with design and art teams to establish reusable UI/UX frameworks using Adobe Creative Cloud.