Jose Cortinas

Software Engineer

San Antonio, Texas, United States17 yrs 6 mos experience
Highly StableAI ML Practitioner

Key Highlights

  • Led zero-downtime migration for GitHub's Audit Log.
  • Engineered HIPAA-compliant software for healthcare.
  • Founded a project collaboration tool for professionals.
Stackforce AI infers this person is a Full-Stack Engineer with extensive experience in SaaS and Healthcare industries.

Contact

Skills

Core Skills

Full-stack DevelopmentBack-end Web DevelopmentGraphqlGoElasticsearchEnterprise Software

Other Skills

Ruby on RailsClickHouseLarge Scale SystemsReactJSRust (Programming Language)Representational State Transfer (REST)KafkaTypeScriptAngularJSDatabasesErlangJavaScriptRemote DevelopmentPython (Programming Language)Domain-Driven Design (DDD)

About

Full-stack engineer and U.S. Air Force veteran with 15+ years of technical and leadership experience across web and mobile systems. Led teams through projects spanning green-field MVPs to billion-event production pipelines—migrating GitHub’s audit-log data with zero downtime, architecting large GraphQL and mobile APIs, and refining authentication and billing platforms serving millions. Skilled across the stack—from Rails monoliths and React / TypeScript front ends to Go and Rust services. Recently focused on AI engineering, integrating OpenAI, Anthropic, and Gemini models, and automating workflows with n8n. Brings a mix of systems thinking and team leadership—shaping architecture, mentoring engineers, and delivering software that scales cleanly.

Experience

17 yrs 6 mos
Total Experience
2 yrs 5 mos
Average Tenure
2 mos
Current Experience

Huntress

Senior Software Engineer

Mar 2026Present · 2 mos · Remote

  • Working on the SIEM team, building high scale data pipelines and UI with Rails and ClickHouse.
Ruby on RailsClickHouseFull-Stack DevelopmentBack-End Web Development

Github

Senior Software Engineer

Jul 2018Jan 2025 · 6 yrs 6 mos · Remote · Remote

  • Architected and executed the zero-downtime migration of GitHub's Audit Log from Ruby/ElasticSearch to Go/Azure CosmosDB, securing long-term scalability for billions of daily records without data loss.
  • Key member of a strike team to re-engineer metered-usage billing, converting a 24-hour batch job into a real-time Kafka event-processing pipeline to support the public launch of Codespaces.
  • Directed the design and maintenance of GitHub’s public GraphQL API (V4), defining 50+ new fields and query patterns to serve hundreds of millions of daily requests.
  • Led cross-system security investigations, correlating distributed logs to identify bad actors; reduced incident response time and successfully notified thousands of affected users during critical breaches.
  • Partnered with the GitHub Desktop team to implement MAS-C standards, improving ARIA support and usability for screen readers across the GitHub Desktop Electron-based product.
  • Enhanced the GitHub login page to support multiple authentication sessions and participated in enhancements to github.com services in support of mobile and desktop applications.
  • Interviewed 30+ candidates for positions from junior to director of engineering. Participated in proctoring technical assessments and giving feedback on candidates for soft skills.
  • Performed code reviews for peers' work to identify bugs or potential issues early in the development process.
  • Collaborated with product managers to define project scope, prioritize features, and deliver high-quality software within tight deadlines.
  • Mentored junior software engineers, providing guidance on best practices for coding standards, design patterns, and code reviews.
  • Collaborated with cross-functional teams to gather requirements, analyze user needs, and develop innovative solutions.
ElasticsearchEnterprise SoftwareLarge Scale SystemsFull-Stack DevelopmentBack-End Web DevelopmentGo+5

Arcadia healthcare solutions

Principal Software Engineer

Feb 2017Jun 2018 · 1 yr 4 mos · Remote

  • Engineered HIPAA-compliant software and led the development of a modern healthcare API based on the FHIR standard, ensuring secure data exchange for enterprise providers.
  • Maintained and optimized a high-volume Rails + Angular analytics platform, delivering critical healthcare metrics to thousands of B2B customers.
  • Established remote-engineering hiring protocols, personally interviewing 30+ candidates and redesigning onboarding methodologies to scale the engineering team.
TypeScriptAngularJSEnterprise SoftwareFull-Stack DevelopmentBack-End Web DevelopmentDatabases+3

Bitlove inc.

Software Developer

Jun 2015Oct 2016 · 1 yr 4 mos · Remote

  • Worked on one of the largest and longest running social networks for an alternative community. Large community, large amounts of legacy, and a small team made for a huge range of problems to solve. As a team we stabilized and reduced the overall response time for the entire site, cleaned up millions of extraneous queries per second, rewrote or removed entire legacy services, prototyped a new version of the site written in React, and cleaned up a huge amount of legacy JS and CSS, all while improving uptime and availability of the site. I rewrote and replaced the ad serving infrastructure with an in-house solution, serving millions of ad impressions per day.
ElasticsearchFull-Stack DevelopmentBack-End Web DevelopmentDatabasesErlangRuby on Rails+1

Worldly.com

Software Developer

Nov 2014Jun 2015 · 7 mos · Remote

  • Worldly. A network for travel enthusiasts to share their experiences and amazing photography. Worldly was written in AngularJS with Rails acting as an API. While at Worldly I rewrote and redesigned a large amount of features. A feature I’m most proud of would be an editing system for experiences that was both beautiful, 100% responsive, and allowed users to add content in an intuitive way.
ElasticsearchAngularJSFull-Stack DevelopmentBack-End Web DevelopmentDatabasesJavaScript+2

Vulume

Co-Founder/Lead Developer

May 2012Nov 2014 · 2 yrs 6 mos · Remote · Remote

  • Vulume. I Founded Vulume as the technical co-founder with 2 other co-founders. We bootstrapped a project collaboration and sharing tool for professionals who work in the Built Environment. We developed an idea to full working product with a very small team. Working on Vulume I grew as a leader and manager. As the only technically co-founder I designed and built most of Vulume, eventually transitioning to hiring and managing other developers.
ElasticsearchFull-Stack DevelopmentBack-End Web DevelopmentDatabasesRuby on RailsRepresentational State Transfer (REST)

Homerun (homerun.com)

Senior Software Engineer

Dec 2011Apr 2012 · 4 mos · Remote

  • Worked on a new B2B infrastructure for daily deals in a large Rails codebase. The acquisition of homerun.com by Rearden Commerce sped up the pace of development for homerun.com and spurred new hires. I was the first remote developer. First call on the hiring of new developers, doing multiple interviews per week, some candidates which were then hired for senior positions.
Full-Stack DevelopmentBack-End Web DevelopmentDatabasesRepresentational State Transfer (REST)

Gowalla incorporated

Ruby Developer

Apr 2011Oct 2011 · 6 mos · Austin, Texas · On-site

  • I was contracted to maintain and develop the next version of a successful Facebook game. Gowalla was acquired by Facebook and the contract was ended. The time I had at Gowalla was eye-opening and a huge learning experience for me. I had the opportunity to learn about scaling software, and managing the operations of large systems.
Full-Stack DevelopmentRepresentational State Transfer (REST)

United states air force

Developer

Jul 2006Apr 2011 · 4 yrs 9 mos · San Antonio, Texas

  • Worked on intelligence applications written in Java, helping combat commanders make decisions in the field in real-time. I learned Java, HTML, CSS, SQL, PLSQL, C, Objective-C, Ruby, and *nix operating system usage while working in the Air Force.
Full-Stack DevelopmentRepresentational State Transfer (REST)

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