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I have over 15 years of experience in full-stack web development with deep expertise in Ruby on Rails. Throughout my career, I have consistently delivered enterprise-level solutions that improve operational efficiency and generate significant cost savings. I take pride in having developed five mission-critical applications for New Mexico State University, including a university-wide staff evaluation system and an accounts receivable collections application that saved the institution hundreds of thousands of dollars. Currently, I am enhancing my skills in React, React Native, and Next.js to build responsive user interfaces, while leveraging my extensive backend expertise to contribute to robust and scalable application solutions.…I have over 15 years of experience in full-stack web development with deep expertise in Ruby on Rails. Throughout my career, I have consistently delivered enterprise-level solutions that improve operational efficiency and generate significant cost savings. I take pride in having developed five mission-critical applications for New Mexico State University, including a university-wide staff evaluation system and an accounts receivable collections application that saved the institution hundreds of thousands of dollars. Currently, I am enhancing my skills in React, React Native, and Next.js to build responsive user interfaces, while leveraging my extensive backend expertise to contribute to robust and scalable application solutions.

Joe Ersinghaus

Full Stack Developer, Programmer, Developer, +1

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I have over 15 years of experience in full-stack web development with deep expertise in Ruby on Rails. Throughout my career, I have consistently delivered enterprise-level solutions that improve operational efficiency and generate significant cost savings. I take pride in having developed five mission-critical applications for New Mexico State University, including a university-wide staff evaluation system and an accounts receivable collections application that saved the institution hundreds of thousands of dollars. Currently, I am enhancing my skills in React, React Native, and Next.js to build responsive user interfaces, while leveraging my extensive backend expertise to contribute to robust and scalable application solutions.…I have over 15 years of experience in full-stack web development with deep expertise in Ruby on Rails. Throughout my career, I have consistently delivered enterprise-level solutions that improve operational efficiency and generate significant cost savings. I take pride in having developed five mission-critical applications for New Mexico State University, including a university-wide staff evaluation system and an accounts receivable collections application that saved the institution hundreds of thousands of dollars. Currently, I am enhancing my skills in React, React Native, and Next.js to build responsive user interfaces, while leveraging my extensive backend expertise to contribute to robust and scalable application solutions.

Available to hire

I have over 15 years of experience in full-stack web development with deep expertise in Ruby on Rails. Throughout my career, I have consistently delivered enterprise-level solutions that improve operational efficiency and generate significant cost savings. I take pride in having developed five mission-critical applications for New Mexico State University, including a university-wide staff evaluation system and an accounts receivable collections application that saved the institution hundreds of thousands of dollars.

Currently, I am enhancing my skills in React, React Native, and Next.js to build responsive user interfaces, while leveraging my extensive backend expertise to contribute to robust and scalable application solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Full Stack Developer – Enterprise Application Services at New Mexico State University

August 1, 2025 - September 5, 2025

Spearheaded the introduction of Ruby on Rails; developed multiple applications that streamlined internal operations and improved productivity in core business areas as well as developed fast prototyped applications for customer proof-of-concept applications. Interfaced with NMSU business entities by providing system analysis for software solutions both off-the-shelf and custom. Managed technical direction of custom application development team; increased team delivery by 30% through adoption of Scrum Agile framework. Pioneered introduction of Git version control system, resulting in enhanced commit auditability; provided comprehensive training to team, directly improving workflow for 10+ developers. Set up and maintained on-premise GitLab instance for code management and CI/CD DevOps pipeline tooling, incorporating automated testing and security scanning to streamline predeployment regression testing verification. Architected RESTful API integrations leveraging Python FastAPI for a Rea

Full Stack Developer – New Mexico Department of Agriculture at New Mexico State University

August 1, 2011 - September 5, 2025

Developed Java EE and Ruby on Rails applications using MySQL to manage and track pesticide and dairy inspections for 10+ inspectors, enhancing regulatory compliance. Introduced Git software repository version control adoption. Implemented Scrum Agile project management, acting as Scrum Master and managing Product Owner and Product Item backlog training for multiple projects. Installed and maintained Plone content management system to manage NMDA departmental and state website.

Software Developer – Physical Science Laboratory at New Mexico State University

April 1, 2007 - September 5, 2025

Developed C++ and Visual C++ code for multiple custom telemetry systems at Physical Science Laboratory, supporting scientific projects. Programmed LabVIEW for scientific instrumentation.

Software Developer at Terametrix Systems International, Inc.

September 1, 1999 - September 5, 2025

Developed Visual C++ applications to interface with in-house designed telemetry systems. Programmed LabVIEW for custom designed telemetry system hardware.