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I am a full-stack engineer with over 8 years of experience building scalable and accessible applications across government, education, healthcare, and startups. I specialize in multi-tenant systems, AI-powered tools using Claude 3 and GPT, and delivering domain-specific solutions with MERN and Ruby on Rails. Currently, I am seeking senior or staff engineering roles focused on developer tools, AI integrations, scalable systems, and peer development. I bring a strong background in Ruby on Rails, React, AWS, Docker, Kubernetes, and advanced AI prompt engineering, combined with test-driven development and accessibility standards adherence.…I am a full-stack engineer with over 8 years of experience building scalable and accessible applications across government, education, healthcare, and startups. I specialize in multi-tenant systems, AI-powered tools using Claude 3 and GPT, and delivering domain-specific solutions with MERN and Ruby on Rails. Currently, I am seeking senior or staff engineering roles focused on developer tools, AI integrations, scalable systems, and peer development. I bring a strong background in Ruby on Rails, React, AWS, Docker, Kubernetes, and advanced AI prompt engineering, combined with test-driven development and accessibility standards adherence.

Erick Eduardo Trevino

Web Developer, Programmer, Full Stack Developer, +2

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I am a full-stack engineer with over 8 years of experience building scalable and accessible applications across government, education, healthcare, and startups. I specialize in multi-tenant systems, AI-powered tools using Claude 3 and GPT, and delivering domain-specific solutions with MERN and Ruby on Rails. Currently, I am seeking senior or staff engineering roles focused on developer tools, AI integrations, scalable systems, and peer development. I bring a strong background in Ruby on Rails, React, AWS, Docker, Kubernetes, and advanced AI prompt engineering, combined with test-driven development and accessibility standards adherence.…I am a full-stack engineer with over 8 years of experience building scalable and accessible applications across government, education, healthcare, and startups. I specialize in multi-tenant systems, AI-powered tools using Claude 3 and GPT, and delivering domain-specific solutions with MERN and Ruby on Rails. Currently, I am seeking senior or staff engineering roles focused on developer tools, AI integrations, scalable systems, and peer development. I bring a strong background in Ruby on Rails, React, AWS, Docker, Kubernetes, and advanced AI prompt engineering, combined with test-driven development and accessibility standards adherence.

Available to hire

I am a full-stack engineer with over 8 years of experience building scalable and accessible applications across government, education, healthcare, and startups. I specialize in multi-tenant systems, AI-powered tools using Claude 3 and GPT, and delivering domain-specific solutions with MERN and Ruby on Rails. Currently, I am seeking senior or staff engineering roles focused on developer tools, AI integrations, scalable systems, and peer development. I bring a strong background in Ruby on Rails, React, AWS, Docker, Kubernetes, and advanced AI prompt engineering, combined with test-driven development and accessibility standards adherence.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Spanish; Castilian

Fluent

Work Experience

Senior Software Engineer at CVP (Homeland Security - USCIS Global Services)

November 1, 2024 - Present

Led development of an AI-powered interview simulator for asylum/refugee officer training using Claude 3. Developed and maintained a 508-compliant Ruby on Rails application supporting asynchronous case workflows, ICAM SSO authentication, and test-driven development with full CI/CD. Designed custom transformers for LLM response analysis with responsibility hierarchies, integrated tools for case generation, document management, security alert review, and interview simulation modules mirroring real-world workflows. Improved user experience with search and pagination, handled background jobs, and collected usage analytics. Collaborated within an agile training team, enforcing US Web Design System and Section 508 accessibility standards.

Senior Software Engineer at Infinity Marketing

January 1, 2024 - Present

Led concurrent development across marketing, education, and SaaS platform repositories. Delivered SSO-enabled LMS, PDF generators, and data dashboards, integrating Stripe, HubSpot, and QuickBooks. Maintained high code quality with CI/CD and pre-commit hooks. Developed custom collateral generation platforms for Comcast regional branches, built PDF flows for editable and static templates, and implemented user permissions, search filters, and admin panels. Refactored core components for performance and modularity, integrated Clever and Schoology for LMS SSO, designed hierarchical permission systems, enhanced LMS with caching and query optimization, and introduced frontend testing for authentication, dashboards, and assignment management. Provided overflow support on WordPress sites and led tooling adoption.

Lead Software Developer at Atomic Jolt

January 31, 2024 - September 2, 2025

Led LMS platform enhancements across Canvas, Brightspace, and Moodle using Rails, React, and GraphQL. Built scalable APIs, optimized frontend performance by 20%, and implemented background jobs, caching, and CI/CD. Mentored developers and collaborated closely with project managers to deliver high-quality solutions. Orchestrated Ruby on Rails background jobs for asynchronous processing, engineered a secure Node.js and Express API for randomized data tables, and deployed applications serving over 285,000 students across 25+ client institutions. Established automated testing procedures reducing post-deployment issues by 25%.

Lead Software Developer at MRG Health

November 1, 2022 - September 2, 2025

Led development of a HIPAA-compliant Rails and React platform for patient records and communication, managing over 82,200 health records. Built secure APIs with Node.js and Express for seamless data access, designed intuitive UIs for elderly patients, and implemented Twilio SMS tools to enhance patient engagement. Managed multiple websites with Node.js, React, JavaScript, HTML, CSS, and WordPress. Acted as subject matter expert and represented the development team in client meetings. Identified and implemented process improvements to increase efficiency and productivity.

Web Developer at Tex-US Substations Services

August 1, 2020 - September 2, 2025

Designed and developed a CRM-like application for job and contract management using Ruby on Rails and React, featuring dynamic role-based views that enhanced user experience and operational efficiency. Managed multiple WordPress websites and created internal SharePoint portals to streamline communication and support department-specific workflows.

Web Developer at Charter Communications

January 1, 2020 - September 2, 2025

Developed a Spectrum TV emulator for multiple devices including Xbox, Roku, iOS, Android, and Samsung using Ruby on Rails and React. Built internal tools for call center agents to facilitate knowledge exchange and improve troubleshooting efficiency. Collaborated with business analysts to build websites with JavaScript, HTML, and CSS. Designed and maintained SharePoint sites for internal use.