JustinFreresFULL-TIME & CONTRACT
Former Software Engineer IV with 16+ years of enterprise engineering. I modernize C#/.NET applications, integrate business systems and support them in production. Based near Springfield, Missouri. Open to local and U.S. remote roles.
PRINTABLE PDF & PAPERBACK
Explore tech-inspired coloring pages. Print the PDF at home or order the paperback on Amazon.
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JUSTINFRERES PRODUCTS
Original printable PDF issues and free-play browser games.
JUSTINFRERES DIGITAL PRODUCTS
An original, non-branded technology coloring-book edition for curious makers, IT professionals, and families who appreciate a good cable tangle.
SERIES 1 · PRINTABLE PDF
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THE PRINTABLE COLLECTION
Separate stories. One-time purchases. Choose a PDF download or an Amazon paperback where available.
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FREE-PLAY PRODUCTS
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Pop the right answer in a colorful race against the clock.
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Play 52 War, Texas Hold’em, or Spades with friends or the computer.
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Choose your command and explore a combined-arms strategy game.
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Play free ↗APPLIED AI & COMPUTER VISION
I bring experience in data preparation, reproducible machine-learning workflows and model evaluation, alongside enterprise software engineering. I am pursuing full-time or contract opportunities to apply that background as part of an engineering team.
Experience includes a graduate contribution to the NASA–Missouri Space Grant Consortium AIDE project on microstructural-defect identification.
JUSTIN FRERES
SOFTWARE ENGINEERING · SYSTEMS · RESEARCH
ABOUT JUSTIN & SELECTED WORK
Enterprise application modernization, business-system integration and production support.
As a Software Engineer IV, I led an Angular 12-to-19 modernization, upgraded C#/.NET applications and supported ERP integrations in production. My graduate work in cybersecurity and applied computer vision adds depth to how I evaluate systems and manage risk.
Justin Freres · justinfreres.com · linkedin.com/in/justinfreres · github.com/justinfreres
FOR HIRING TEAMS & RECRUITERS
I’m seeking full-time and contract roles in senior .NET engineering, enterprise integration and application modernization. Based near Springfield, Missouri, and open to U.S. remote work.
Led Angular 12-to-19 modernization and C#/.NET application upgrades, with responsibility spanning architecture, implementation, releases and support.
Enterprise delivery record ↓REST/SOAP APIs, SQL Server, workflow automation and Odoo customization, including production support and the version 12-to-16 upgrade.
Platforms & technical range ↓Graduate contribution to the NASA–Missouri Space Grant Consortium AIDE project on AI for microstructural-defect identification, plus coauthored IEEE CSCI work.
Research & selected projects ↓THE FULL PICTURE
Enterprise architecture, application modernization, APIs and full-stack web development.
C# / .NET · Angular · React · Vue · TypeScript · PythonERP customization, workflow automation, reporting and reliable integrations.
Odoo · K2 / Nintex · Business Central AL · SQL Server · PostgreSQL · REST / SOAPRelease engineering, identity, network operations and production support.
Azure DevOps · GitHub · Octopus Deploy · OAuth / OIDC · PowerShell · Windows / LinuxApplied machine learning, reproducible evaluation, technical documentation and instruction.
Computer vision · Data preparation · IEEE CSCI publication · College-level IT educationSELECTED PROJECTS
ENTERPRISE SOFTWARE · CAREER DELIVERY
Led donation-system modernization from Angular 12 to 19, upgraded C#/.NET applications, and connected sales and business workflows through APIs, data and automation.
C# / .NET · Angular · SQL · REST / SOAP · CI/CD
Software Engineer IV, General Council of the Assemblies of God · 2009–2026
See responsibilities & career record ↓APPLIED AI · GRADUATE RESEARCH
A graduate contribution to the NASA–Missouri Space Grant Consortium AIDE project, exploring AI for microstructural-defect identification.
Computer vision · Data preparation · Model evaluation
Discuss a role or contract ↗ORIGINAL SOFTWARE · LEARNING GAME
An arithmetic game brought from Android to the browser, with responsive answer layouts, timed rounds and saved local scores.
Responsive interfaces · Game state · Interactive learning
Explore the live gameORIGINAL SOFTWARE · CARD GAME
A browser card game for play against the computer or another player, with manual and automatic card-flipping controls.
Browser gameplay · Live rooms · Player controls
Play 52 WarEXPERIENCE THAT INFORMS THE WORK
28+ years across software engineering, IT operations, technical education, and applied research. More than 16 years delivering enterprise applications from architecture and implementation through release and production support.
JUL 2009 – FEB 2026 · ENTERPRISE ENGINEERING
General Council of the Assemblies of God · Springfield–Branson, Missouri
Lead developer equivalent owning architecture, delivery, troubleshooting, and technical guidance across the full software lifecycle. Led donation, sales, and other business-system applications in C#/.NET, Angular, TypeScript, JavaScript, Python, COBOL, SQL, APIs, and automation.
JAN 2025 – PRESENT · PART-TIME
Ozarks Technical Community College · Springfield, Missouri
Teach college-level CompTIA A+ Core 2 coursework in operating systems, security, software troubleshooting, operational procedures, and customer support.
MAY 2007 – DEC 2008
Mid Missouri Tech Center · Springfield–Branson, Missouri
Administered Windows client/server environments and network operations across virtual and physical infrastructure.
1996 – 2006 · IT FOUNDATIONS
Hands-on work across Cisco networks, Windows Server and Exchange, Windows NT, Novell, Solaris, Linux, endpoints, cabling, and network equipment.
EDUCATION
Missouri State University · Springfield, Missouri
Additional technical breadth includes PowerShell, batch scripting, PostgreSQL, Java and Kotlin, Azure, IIS, Windows/macOS/Unix/Linux, backup and recovery, telecommunications, and legacy VB.NET, VBA, Access, COBOL, Novell, and DOS.
View credential history ↓APPLIED AI & PUBLISHED RESEARCH
Lead developer on a NASA-related machine-learning research effort during graduate study, coordinating implementation and technical direction with university research stakeholders.
COMMERCIAL PLATFORM EXPERIENCE
Platforms I have worked with across enterprise software delivery, integration and production support.
NINTEX
Formerly K2 Five, with Nintex Workflow lifecycle support, upgrades, integrations, and cloud-migration planning.
MICROSOFT
AL extension development and safer release support for Microsoft Dynamics 365 Business Central.
MICROSOFT
Microsoft 365, SharePoint, Power Platform, Access, Excel, Word, and VBA automation support.
Platform experience does not imply affiliation with, sponsorship by, or endorsement from Nintex or Microsoft. Product names identify the platforms discussed; their trademarks belong to their respective owners. See trademarks and ownership.
PROFESSIONAL SKILLS
Experience reflected in Justin’s professional profile, published research, and applied through software engineering, production support and technical education.
APPLICATION ENGINEERING
INFRASTRUCTURE & RECOVERY
SECURITY & EDUCATION
PUBLISHED RESEARCH
CREDENTIAL HISTORY
Credentials shown from Justin’s LinkedIn profile. Time-bound credentials are retained here as evidence of completed training and prior demonstrated expertise; they are not represented as current certifications.
MICROSOFT
PLATFORM & SECURITY
FOUNDATIONAL IT
“Date record” means LinkedIn displays an issue date but no expiration date. Certification availability and issuer-program status can be verified on request.
SELECTED WORK
TECHNICAL EDUCATION · EXAMPLE COURSES
Explore college-level CompTIA A+, Security+ and Network+ preparation plus PenTest+, Linux+, CySA+, Cloud+, a+ Network and a+ Cyber examples covering hardware, networking, operating systems and cybersecurity. Review eight-week hybrid schedules, preparation handouts, chapter labs, graded assignments and comprehensive assessments.
INTERACTIVE LEARNING · ANDROID & WEB
An arithmetic game brought from its original Android roots to the browser. Responsive answer layouts, timed rounds, and local high scores make learning accessible across phones and desktops.
ENTERPRISE DELIVERY
Experience connecting enterprise applications, workflow platforms, and infrastructure: C#/.NET, Angular, REST/SOAP APIs, SQL Server, PostgreSQL, PowerShell, Odoo, and CI/CD.
Work begins with the operating context and ends with a tested release, documentation, and a supportable path forward.
Explore my technical range ↓WHY JUSTINFRERES
Justin Freres is a senior software engineer with 28+ years in technology, more than 16 years of enterprise engineering, and a former K2-certified support background spanning enterprise architecture, full-stack web development, networking and infrastructure, Microsoft Dynamics 365 Business Central AL extensions, CI/CD, cybersecurity, Microsoft 365, Power Platform, SharePoint, and production support. His background also includes Microsoft Access application development and support, Microsoft Excel and Microsoft Word VBA automation, legacy Access modernization planning, data recovery, backup-and-recovery systems, telecommunications, CompTIA A+ credential history, Microsoft web and app-development credentials, and K2 Five: Core credential history for the product now called Nintex Automation. He coauthored an IEEE CSCI 2020 conference paper on relevance graphs in longitudinal text mining and contributed to the NASA–Missouri Space Grant Consortium AIDE graduate project, which applied AI to microstructural-defect identification.
Review Justin’s LinkedIn profileDiagnose before promising. Every engagement begins with facts, constraints, and an exit criterion.
Leave the team stronger. Documentation, release notes, and handoff are part of the deliverable.
Protect production. Changes get a rollback path, security review, and owner approval.
LET'S MAKE THE NEXT STEP COUNT
For full-time or contract roles, share the position, the team’s technical priorities and the location or remote arrangement.