Diego Polido Santana
@diegopolidosantana
Ruby on Rails engineer building APIs and AI integrations at MIRATECH, with experience across mobile, e-commerce, and subscription platforms.
BrazilWhat I'm looking for
At MIRATECH, I contributed to an AI-powered interior design and architecture platform that generates personalized suggestions from real-world images. I developed Ruby on Rails backend services and APIs supporting its ReactJS frontend and AI integrations.
At Lovevery, I led the backend implementation and maintenance of Apple In-App Purchase integration, including receipt validation and subscription lifecycle management. I also worked on APIs and content delivery integrations for the company’s mobile applications.
At Firstleaf, I developed and maintained a subscription wine e-commerce platform built with Solidus. I worked on payments and integrations with Stripe, Netsuite, Iterable, Snowplow, and Aftership, as well as checkout and subscription features.
As a freelancer, I’ve developed Ruby on Rails projects including e-commerce, websites, and a calendar and media player. Earlier, at Smart Fit, I was responsible for an application across backend, frontend, and DevOps, including adapting it to serve Smart Fit and Microgyms in the same codebase.
Experience
Work history, roles, and key accomplishments
Ruby on Rails/JavaScript Engineer
Freelancer
Jul 2013 - Present (13 years 3 months)
Worked on freelance and personal projects using Ruby on Rails, with a focus on using the latest versions and best practices. Developed various projects including e-commerce, art gallery, and real estate systems.
Ruby on Rails/JavaScript Engineer
Miratech
Mar 2025 - Apr 2026 (1 year 1 month)
Contributed to the development of an AI-powered platform for interior design and architecture, focusing on full-stack development with Ruby on Rails and ReactJS, building and maintaining APIs and integrating external AI services.
Ruby on Rails/JavaScript Engineer
Lovevery
Jan 2024 - Oct 2024 (9 months)
Developed and maintained Ruby on Rails backend services for mobile applications, focusing on API design, payment integrations, and content delivery. Led Apple In-App Purchase integration and managed content pipelines with WordPress and Contentful.
Ruby on Rails/JavaScript Engineer
Firstleaf
Mar 2021 - Mar 2023 (2 years)
Senior Ruby on Rails Engineer developing and maintaining a large-scale e-commerce platform built with Solidus, focusing on payments, third-party integrations, and performance optimization.
Ruby on Rails/JavaScript Engineer
Smart Fit
Feb 2018 - Mar 2021 (3 years 1 month)
Acted as technical manager for one of the group's brands, responsible for the entire application from back-end to front-end and dev-ops, implementing integrations and adapting applications for Smart Fit and Microgyms.
Ruby Engineer
Clevertech
Sep 2017 - Nov 2017 (2 months)
Maintained and developed the Talk Shop Live project, an e-commerce platform with live stream interactions.
Developed new IBM Support Portal projects and a web system for tracking services, using various technologies including AngularJS, NodeJS, Java, and Ruby on Rails.
Software Engineer
Global Village Telecom
Sep 2014 - Apr 2015 (7 months)
Maintained and developed several internal projects for requesting internal tasks.
Software Engineer
Ipiranga Oil Products
Nov 2012 - Jun 2013 (7 months)
Maintained and developed applications to support marketing people in making decisions.
Interchange Program
King George International College
Jul 2012 - Oct 2012 (3 months)
Participated in an English language exchange program in Vancouver, British Columbia, studying full-time for three months.
Java Consultant
BRQ IT Services
Apr 2011 - Jul 2012 (1 year 3 months)
Maintained and developed Bradesco Insurance's projects.
Software Engineer
Ideais Technology
Jun 2010 - Apr 2011 (10 months)
Maintained and developed Wedding List, Billing, and Affiliates projects for B2W, supporting brands like americanas.com, shoptime, and submarino.
Java Developer
Mobile Factory
Aug 2009 - Oct 2009 (2 months)
Developed BlueAds, a content distribution marketing tool via Bluetooth.
Education
Degrees, certifications, and relevant coursework
INFNET Institute
Post-graduate degree, Software Engineering
2009 - 2011
Post-graduate degree in Software Engineering with Java from INFNET Institute, completed from 2009 to 2011.
Veiga de Almeida University
Bachelor's degree, Computer Science
2005 - 2008
Bachelor's degree in Computer Science from Veiga de Almeida University, completed from 2005 to 2008.
Caelum
IP-67, iOS Development
Completed iOS Development course (IP-67) with 20 hours of training.
King George International College
Exchange program, English
2012 - 2012
Participated in an exchange program in Canada, studying English full-time for 3 months from July to October 2012.
Microsoft
Students To Business, Business
Participated in the Microsoft Students To Business program with 80 hours of training.
Oracle
Oracle Java Standard Edition 6 Programmer Certified Professional, Java
Certified as Oracle Java Standard Edition 6 Programmer (formerly SCJP - Sun Certified Java Programmer).
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Portfolio
app.colab-rio.com/playerSalary expectations
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