Rails SaaS Engineering
Ruby on Rails, Rails 8, ActionCable, API architecture, business logic, production maintenance
SaaS Engineer & Tech Founder / AI Automation & Rails Engineer
Jayson Presto
I build production-ready Ruby on Rails platforms, AI-powered systems, SMS infrastructure, payment integrations, and mobile applications from product idea through deployment and operation.
- Founder Operator SaaS products from idea to production
- Rails Specialist APIs, payments, realtime systems
- Automation Builder AI, SMS, webhooks, deployment workflows
Professional Summary
Founder-engineer execution for SaaS teams, startups, AI automation work, and business-critical web platforms.
Co-Founder and Tech Lead at IPROG TECH, with experience leading Rails teams, collaborating directly with CEOs and business leaders, and translating operational requirements into stable software systems.
My strongest work combines engineering and entrepreneurship: SaaS products, telecom and SMS workflows, AI integrations, deployment automation, and owned businesses such as Ka Prets Pizza House with its self-developed ordering platform.
Core Technical Stack
Practical coverage from Rails product code to AI workflows, APIs, mobile delivery, and infrastructure.
AI and Automation
OpenAI integrations, chatbot systems, Zapier workflows, GoHighLevel automations, MQTT workflows
Data and Integrations
PostgreSQL, MySQL, SQLite, Redis, SMS APIs, payment integrations, PayPal, Stripe
Infrastructure
Docker, VPS operations, Nginx, Heroku, AWS, Cloudflare, DigitalOcean, Namecheap
Frontend and Mobile
JavaScript, Vue.js, jQuery, HTML5, CSS3, Tailwind CSS, Bootstrap, Flutter, Android/iOS delivery
Product Workflow
Git, GitHub Actions, GitLab, Jira, Trello, Postman, Canva, founder-led product execution
Selected SaaS Products and Ventures
Built, launched, and operated platforms across telecom, AI automation, attendance, games, publishing, commerce, rental, and music production.
IPROG TECH
Co-founder and tech lead for custom SaaS web applications and mobile development focused on Ruby on Rails and Flutter.
IPROG SMS
API-based SMS platform with telecom integrations, programmable messaging workflows, and production operations.
IPROG RentGo
Palawan-focused car and motorcycle rental marketplace connecting travelers with verified local owners through a streamlined booking flow.
IPROG AI
AI integration and chatbot systems for business workflows, customer handling, and automated operations.
IPROG DTR
OTP-based daily time record system for employee attendance, payroll tracking, and automation workflows.
IPROG Arcade
Token-based online arcade with real-time mini-games, Rails 8 modernization, and ActionCable gameplay.
IPROG DRIVE
Drive-to-Web platform that turns Google Drive folders into live websites with SSL, subdomains, and custom domain support.
Ka Prets Pizza House
Owned local pizza business supported by a self-developed online ordering platform and real operating feedback.
Ka Tono Studio
Custom song and jingle production platform that turns customer messages into professionally produced songs delivered within 24 hours.
AI, Automation and Infrastructure
Modern systems work across AI integrations, deployment operations, and workflow automation.
Chatbots and AI Integrations
Builds OpenAI-powered assistants, chatbot flows, and business automations that connect product data with customer-facing workflows.
Dockerized Rails Operations
Deploys and maintains Rails applications using Docker, VPS infrastructure, Nginx, cloud hosting, SSL, and domain management.
API and Workflow Infrastructure
Connects SMS, payment, webhook, MQTT, Zapier, and GoHighLevel workflows into reliable business process automation.
Experience
Rails development, technical leadership, and business-facing delivery.
Freelance
- IT Consultant - BAMVS: Works with executive and marketing leadership to turn business logic into technical systems that support growth and operational efficiency.
- Full Stack RoR Developer / Tech Lead - Area Scouts: Led Rails and mobile developers while aligning e-commerce platform delivery with executive product strategy.
- Backend RoR Developer - BrandRep: Maintained agency e-commerce and CMS back-office features, resolving production issues and shipping backend improvements.
- Backend RoR Developer - Duxata: Enhanced and maintained an e-commerce platform for doctors and clients, improving reliability through ongoing feature updates.
- Full Stack RoR Developer - Picnotes: Resolved production issues for an educational picture-sharing platform.
- Full Stack RoR Developer - Cloud Showroom: Led Rails development, bug fixing, and feature delivery for a toy shopping platform.
- RoR Developer - Costify: Supported a business intelligence dashboard used by construction firms for operational reporting.
Corporate
In-house
- Ruby on Rails Developer - Neosis Ltd (Tikigo): Specialized in backend development, PayPal and Stripe integrations, and VPS deployment.
- PHP Developer (WordPress) - Tezoro: Built client websites with custom plugins and theme modifications.
Palawan State University, 2011 - 2015
Comfortable working with local and international teams.
Best fit for product delivery, backend systems, startup teams, and founding-engineer opportunities.