Caleb Barnwell

Full Stack Software Developer

Relevant Skills

  • C#/C/C++ Object Oriented Programming

    • System Libraries

    • Polymorphism/Inheritance

    • DLL Creation

  • Project Management

    • Jira, ClickUp, Github Projects

    • Leading Team Meetings

    • Scrum & Agile Management

    • Pair Programming

  • Python

  • Data Structures and Algorithms

    • Sorting Algorithms, Trees, Graphs, Dynamic Programming

  • Data, Data Management, Databases

    • Postgresql & MySQL

    • File Readers & Processors 

    • Data Visualization

Web Development

  • Front-End Frameworks

    • React

    • Javascript, Jquery

    • HTML, CSS, SCSS, SASS

  • Back-End Frameworks

    • Flask

    • Django

  • Full-Stack Frameworks

    • Ruby on Rails

  • Cloud Services

    • AWS, DigitalOcean, Firebase & More

  • System Design

  • UML Diagrams

  • Design Documentation

  • Mobile Development

    • Swift, Xcode, Android Studio

Relevant Work History

Senior Full-Stack Web Dev | Independent Contractor

May 2025 - Present | Job Machine

Direct software consultation and audit for existing codebase and product. Reduction of frontend page load memory consumption by over 75% and over 3x faster page load speeds. Design and implementation for new web application user flow. Performance/Optimization audit for data access and queries. Product goal and business model consultation. Upgrades to DevOps flow and project management systems with Github.

  • Bubble io, Github Projects, Figma, AWS, UX/UI Design, Front End Web App Development, Back End Web App Development, HTML, CSS, Javascript, Chrome Developer Tools, System Design, Database Management, Lambda, EC2, Twilio, REST API

Software Analyst | Independent Contractor

Feb 2025 - Present | Data Annotation

Reviewed, critiqued, and analyzed AI responses to code prompt inputs spanning across thousands of lines of code including multitude codebases, languages, and technical challenges. Created rubrics and tested code responses for errors/oversight within responses. Revised and updated codebases to satisfy user requests and work directly with generative AI models to improve response quality and accuracy. Carefully constructed criteria that met atomicity, self-containment, exclusivity, and actionable requirements.

  • Python, Java, Ruby, Generative AI, Dart, Typescript, Jules, ChatGPT, Grok, Gemini, Jules, Node.js, Docker, MongoDB

Independent Game Developer | Sole Proprietor

Feb 2025 - Present | Barnwell Games

Founded an independent Game Studio with the long-term goal of 3D Game Production. Development of complex custom codebases, creation of animations and models with blender, custom integration with extensive roster of Unity assets, AR/VR/XR capabilities, game design & production.

  • Unity 6, C#, Blender, Unity Asset Store, Game Programming, Game Design, Materials, Shaders, Character Controllers, Multiplayer Synchronization, FishNet, Procedural Generation, Mecanim & Animations, AI Behaviour Trees and State Machines, AI Pathfinding

Unity Developer | Full Stack Software Engineer | Project Manager

Jan 2023 - Jun 2025 | SciVista, Inc.

Managed and enhanced data operations and visualization processes. Converted proprietary file types into optimized meshes, focusing on triangle efficiency, draw calls, and vertex optimization for improved rendering performance. Developed volumetric effects using custom shaders and advanced visual effects techniques.

  • Unity, C#, C++, DLL’s, .NET Framework, .NET Core, Flask, Python, Git, Git LFS, Unity Editor, Step (.step, .stp), Exodus (.ex, .ex2, .exo), Tiff (.tiff), Unity VFX Graph

Revamped DevOps processes, repository structure, and documentation workflow to improve team efficiency. Standardized Visual Studio IDE configurations using EditorConfig to enforce uniform code linting. Modularized repositories into standalone Unity packages for better reusability. Reviewed and updated existing codebases, enhancing documentation to improve usability for both current and future developers.

  • Unity, C#, Github, Git LFS, Confluence, Visual Studio, JetBrains Rider

Developed and deployed builds for both Virtual Reality and Desktop platforms. Integrated and synchronized Unity frontend with a Python backend for multiplayer applications. Designed custom Unity Editor tools to streamline development. Delivered live VR demos for conferences and clients while managing client relationships.

  • Unity, Unity Netcode for Game Objects, Unity XR Interaction Toolkit, Unity Editor, Custom C# Network and XR Packages

Successfully led a team of engineers, overseeing project design, scoping, and task management. Facilitated daily stand-up meetings as Scrum Manager, ensuring alignment and efficiency in agile development.

  • Jira, System Design, Scrum Management, Github Projects, Github Issues

Unity Developer | Full Stack Web Developer

June 2022 - Jan 2023 | Moth+Flame VR

Developed and enhanced the Moth+Flame website, implementing upgrades across both front-end and back-end. Integrated new features with existing custom-built systems to improve functionality and performance.

  • React, Javascript, Django, HTML, CSS, NextJS

Optimized an in-house Unity tool for VR interview training scenarios, improving performance and usability. Developed comprehensive documentation to streamline onboarding for future developers. Scoped and designed an upgrade plan to enhance tool functionality and user experience, preparing it for conversion into a React web application.

  • Unity 2021, C#, React, Javascript, HTML, CSS

Chief Executive Officer | Founder | Lead Developer

Aug 2020 - June 2022 | Seminaut Digital Solutions

Led full-stack web development for production web applications, implementing custom front-end and back-end technologies. Designed and maintained RESTful APIs and integrated remote databases to support a live user base.

  • Python, C#, C++, Javascript, HTML, CSS

Led game development for multiple products, specializing in VR experiences. Served as the Lead Game Programmer and Studio Producer, collaborating with the game design team to establish core gameplay concepts. Worked closely with artists, audio engineers, and UI designers to create and integrate assets into the game engine. Oversaw development workflows, facilitated team meetings, and ensured project alignment across disciplines.

  • Unity, Unreal Engine, Flask, React, Postgres, Clickup

Designed and implemented a highly successful internship and mentorship program for aspiring game developers, software engineers, and web developers. Established a team management structure and oversaw 50+ interns and members throughout the program's lifecycle. This initiative led to several participants securing industry positions, helping to launch their careers.

  • Google Drive, Microsoft Office, LinkedIn, Indeed

Led company strategy and direction, overseeing overall operations and growth. Engaged with investors to secure funding and facilitated board and executive meetings. Conducted interviews for contractor hires and worked closely with the CTO to oversee and optimize company technologies. Collaborated with the sales and marketing teams to expand company outreach and drive growth.

  • Google Drive, Microsoft Office, Hubspot

Full Stack Web Development Intern

May 2017 - Aug 2017 | ERCOT

Collaborated on upgrading ERCOT’s production website and CMS, creating new pages as needed. Participated in daily team meetings and large company-wide discussions. Conducted interviews with energy sector companies to identify UX/UI gaps and gather feedback on tool improvements.

  • React, Javascript, HTML, CSS, Python, Flask

Relevant Projects

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Education

The University of Texas at Austin (2017-2020)

B.S. in Computer Science

B.S in Mathematics

Concentration in Game Development

The University of Texas at San Antonio (2016-2017)

B.S. in Computer Science

Minor in Mathematics

Awards & Accolades

  • Texas Cheer Alumnus

    From 2018-2020 I had the privelege to be a member of the cheer program for the University of Texas at Austin. Despite the following statement not making sense, this lead to more memories than I can remember.

  • 1 Year Study Abroad in Tokyo, Japan

    In 2014-2015 I was able to attend Junten High School in Tokyo, Japan for my Junior year. I had the lucky opportunity to be a part of a new culture and practice a new language daily.

  • Hack Rice 3rd Place Winner

    In Fall 2016 my partner Nishant Grover and I were able to place 3rd overall at Rice’s annual hackathon of nearly 50 teams for our VR project ScavengerHuntVR. We also won the Facebook: Most Connected and Open App challenge.

  • CodeRED Curiousity Best Hardware Hack

    In Fall 2016, my team and I were able to win the best hardware hack award for our VR game SurVIVEr.

Open to Remote Opportunities

Years of Professional Remote Work Experience

Current Location

Kyle, Texas

Located in both the Austin & San Antonio Metropolitan Area

 

Feel I could be a good fit for your team? In need of services?

Please reach out to me using the form below and I will promptly be in touch with you!