# Justin Hanneman > Thinker, builder, human Location: Austin, Texas, United States Profile: https://flows.cv/justinhanneman I like solving problems and thinking carefully. Born to code and as passionate as they come. ## Work Experience ### Staff Software Engineer @ Realio Jan 2024 – Present Eliminating the barriers to invest-in, trade, and leverage exclusive real estate, private equity, and other real-world assets (RWAs) using applied cryptography. ### Senior Software Engineer @ River Jan 2022 – Jan 2024 Worked to accelerate the adoption of Bitcoin via developing, testing, improving, and maintaining River's flagship brokerage product. From integrating the in-house Lightning services infrastructure with the user-facing application, to fully architecting and implementing the Target Price Orders offering, I continually improved and extended River's codebase while also training and supporting its growing engineering team. ### Lead Blockchain Fullstack Engineer @ dClimate Jan 2021 – Jan 2022 Spearheaded both the back- and the front-end development of a transparent, decentralized marketplace to allow participants to buy and share data and contribute to an open ecosystem of data-driven climate resilience applications. ### Core Developer @ Factom Jan 2015 – Jan 2021 | Austin, Texas Area Worked extensively across the full stack, with an emphasis on the core blockchain protocol implementation: the consensus and fault algorithms, networking code, API layers, and command-line tools and test suites. I fixed, improved, built, deployed, and maintained applications and products beyond the core protocol, including: official websites and web services; wallet and blockchain explorer software and libraries; external data and service integration; and both open source and proprietary product design, specification, and development for clients and demonstrations. I'm worked closely with the QA and testing specialists to ensure product integrity. ### Triage Administrator @ Hostgator.com Jan 2014 – Jan 2015 | Austin, Texas Area Acted as an autonomous sysadmin, resolving a diverse range of interdisciplinary issues: memory and disk-space exhaustion; virtual environment failures; DDoS-related disturbances; port or connection troubles; firewall issues; Apache, MySQL, SSH, and email service outages and misconfigurations; security investigations; backups and restorals; redundancy; malware; compromised accounts; hacked sites; migrations; custom scripting; quality assurance; internal training and technical assistance ### Level II Administrator @ Hostgator.com Jan 2013 – Jan 2014 | Austin, Texas Area Resolved second-tier-escalated technical issues across both the LAMP and Windows/ASP.net stacks; CMS configuration issues (Wordpress, Joomla, Drupal, and everything in between); corrected style and formatting anomalies; database connection or authentication problems; helped with custom code or scripting needs; regular Billing Admin duties; optimized users' website configurations for performance, speed, CPU usage, and inter-platform compatibility ### Jr. Administrator @ Hostgator.com Jan 2012 – Jan 2013 | Austin, Texas Area Corresponded with clients via phone and Live Chat; provided hands-on support for the LAMP stack and client usage of it; diagnosed and fixed HTML formatting issues, PHP problems, MySQL authentication and connection failures, database import/export inquiries, CMS issues, and email usage/integration concerns ### Lead Product Developer @ C2B Suite Jan 2013 – Jan 2013 | Austin, Texas Area Developed full-fledged analytics suite for aggregating, parsing, visualizing, searching/sorting/filtering, exporting, and formatting large and disparate datasets; think "home-brewed Elastic Stack" Tied into third-party APIs for data and rendered charts and visualizations through d3.js in real-time; full mobile support; secure login authentication system; unit test coverage; wrote developer documentation and usage guides; comprehensive application performance benchmarks; migration and deployment scripts; production environment setup; Agile+Scrum methodology ## Education ### Bachelor of Business Administration (B.B.A.) in Management of Information Systems The University of Texas at Austin Jan 2008 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/yojoots --- Source: https://flows.cv/justinhanneman JSON Resume: https://flows.cv/justinhanneman/resume.json Last updated: 2026-03-22