Jose Camacho
@josecamacho1
Senior full-stack engineer building and operating production Ruby on Rails SaaS.
What I'm looking for
I’m a Senior Full-Stack Engineer with 13+ years building and operating production Ruby on Rails SaaS platforms. I enjoy owning systems end-to-end—from architecture and backend services to microservices, modern frontends, enterprise integrations, infrastructure, and production operations.
Over the years, I’ve partnered directly with founders to deliver business-critical features. As the sole engineer for a production Rails SaaS, I owned architecture, development, infrastructure, deployments, third-party integrations, and day-to-day production operations.
I’ve led major platform improvements, including Rails upgrades, automated testing, CI/CD adoption, payment gateway migration, marketing automation integrations, and a zero-downtime frontend redesign. I also delivered admissions-planning functionality across 60 major universities and supported payment processing with 1,000+ successful transactions annually.
In more recent work, I’ve engineered identity and integrations at scale—architecting SAML SSO for Okta and Microsoft Entra ID and implementing SCIM 2.0 provisioning/deprovisioning. I’ve also built an MCP server with authentication and structured tools, redesigned a Slack integration with Block Kit, and led incremental migrations (including an application-wide Bootstrap 5 update) while maintaining uninterrupted production availability.
Experience
Work history, roles, and key accomplishments
Senior Full-Stack Engineer
Manifestly
Jan 2018 - Jan 2026 (8 years)
Core engineer partnering with the founders on product and technical strategy for a multi-tenant SaaS platform. Designed and built an MCP server, implemented enterprise identity management with SAML SSO and SCIM provisioning, and led integration and frontend modernization initiatives including a Slack integration redesign and incremental migration to Bootstrap 5.
Full-Stack Developer
ApplicantLab
Jan 2017 - Jan 2026 (9 years)
Sole engineer for a production Rails SaaS platform, owning architecture, development, infrastructure, deployments, third-party integrations, and production operations. Built admissions-planning functionality for universities and handled payment processing, then modernized the platform via major Rails upgrades, automated testing, CI/CD, payment gateway migration, and a zero-downtime frontend redesi
Full-Stack Developer
CoDN Weblabs & Contract Projects
Jan 2013 - Jan 2018 (5 years)
Built client websites, internal business applications, and hybrid mobile apps, using Ruby on Rails and JavaScript. Contributed to the development and operation of a full-stack Rails/React marketplace platform.
Education
Degrees, certifications, and relevant coursework
University of Yucatán
Bachelor of Science, Software Engineering
2008 - 2012
Earned a B.S. in Software Engineering at the University of Yucatán from 2008 to 2012.
Availability
Location
Authorized to work in
Portfolio
github.com/joseramoncJob categories
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