Roger Hall
Converse, TX • (770) 881‑2691 • [email protected]
Professional Summary
Senior Software Developer & Technical Lead with 15+ years of experience engineering large‑scale, mission‑critical enterprise systems across .NET, Java, and IBM iSeries platforms. Specializes in designing multi‑tier architectures, optimizing high‑volume transactional workflows, and modernizing legacy codebases through structured refactoring, automation, and performance tuning. Deep expertise in distributed systems, data integration, API design, and end‑to‑end SDLC execution. Proven ability to lead development teams, enforce engineering standards, and implement scalable patterns (DI, async pipelines, modular service boundaries, and structured logging/telemetry). Recognized for advanced debugging, root‑cause analysis, and cross‑platform problem‑solving across Windows Server, SQL Server, DB2, and AS/400 environments. Strong mentor and technical strategist who elevates team capability while delivering reliable, maintainable, production‑ready software.
Professional Experience
- Lead developer for SmartFusion billing modules used nationwide.
- Scrum Master managing sprint planning, standups, and delivery cycles.
- Oversaw QA and release readiness for enterprise deployments.
- Mentored developers in .NET best practices.
Key Impact: Streamlined release processes and reduced post‑release defects.
- Led flagship public sector development project.
- Delivered .NET applications supporting financial and billing workflows.
- Oversaw production and quality control for software releases.
- Designed and implemented mortgage claims, collections, and legal automation.
- Developed Java apps integrated with HATS graphical environments.
- Built RPG ILE programs with embedded SQL for backend optimization.
Key Impact: Automated manual mortgage claim processes, increasing efficiency.
- Developed applications for Order Entry, AR/AP, Inventory, and EDI.
- Implemented RFID tracking and Zebra barcode printing systems.
- Supported AS/400 client‑server applications using RPG IV ILE.
Key Impact: Reduced warehouse errors and improved traceability.
- Developed custom software solutions for small businesses.
- Provided IT consulting, PC builds, and ongoing support.
- Irby Construction Co. – Assistant to Superintendent | Nov 2000 – Mar 2001
- Mohawk Industries, Inc. – Programmer | May 2000 – Sep 2000
Core Skills
- Languages: C#, VB.NET, Java, JavaScript, AngularJS, RPG ILE, SQL, Objective‑C, C, C++, Visual Basic
- Frameworks/Tools: .NET, Visual Studio, SSMS, EDI, RFID, Zebra ZPL II
- Databases: SQL Server, DB2
- Platforms: Windows Server, IBM iSeries (AS/400), macOS
- Methodologies: Agile/Scrum (Scrum Master), SDLC, TDD
- Other: Systems integration, technical leadership, user support, QA
Education
A.A.S. Computer Information Systems
Coosa Valley Technical College – Rome, GA