# Diego Nino > Senior Software Engineer | Ruby on Rails, Hotwire, NodeJS, React, AWS Location: Davenport, Iowa, United States Profile: https://flows.cv/diegonino Senior Software Engineer with 7+ years of expertise in Ruby on Rails, JavaScript, React, and NodeJS. Experienced in building scalable software solutions, effectively supporting over 10 million users, and ensuring robust and efficient web application performance. ## Work Experience ### Senior Software Engineer @ Versapay Jan 2020 – Present | Estados Unidos Implemented over 10 enhancements using Ruby on Rails, PostgreSQL, and React in supplier and customer portals, resulting in a 40% increase in client onboarding. Optimized payment reconciliation queries by 70% through raw SQL analysis, improving the processing of millions of records. Integrated Heap tracking service, enhancing customer success team insights on user journeys across the entire application using Javascript. Collaborated with maintenance team and reduced flaky tests in CI suite by 90% through critical bug fixes and enhancements using RSpec and Cucumber. ### Senior Software Engineer @ Globant Jan 2019 – Jan 2021 | United States Led the development of an applicant information processing pipeline for 2U Inc (edX), primarily using NodeJS and AWS Lambda functions, along with AWS technologies like API Gateway, S3, SQS, and SNS. This initiative effectively streamlined candidate information processing across all company departments. Contributed to the migration of a legacy Python application to a Ruby on Rails backend and Angular frontend for Atria Wealth Solutions, including the creation of Task Management modules and Investment Portfolio Charts API for the MVP. Conducted ActiveRecord query optimization, achieving a 95% reduction in dashboard page loading times for Atria Wealth Solutions. ### Senior Software Engineer @ Acid Labs Chile Jan 2018 – Jan 2019 | Provincia de Santiago, Santiago Metropolitan Region, Chile E-commerce Platform Leadership: Utilizing Ruby on Rails with Spree Commerce, led the development and maintenance of Salcobrand Enterprises' e-commerce platform. This included a significant overhaul of the platform to enable the sale and shipping of prescription-required pharmaceutical products. Promotional Campaigns and Site Performance: Facilitated over 15 promotional product campaigns and enhanced site performance. Supervised technical preparations for 2 Cyber Mondays and 2 Black Fridays, ensuring seamless operations without incidents or timeouts. ### Software Engineer @ Buda Jan 2018 – Jan 2018 | Provincia de Santiago, Chile Developed a user activity monitoring algorithm using Ruby on Rails and PostgreSQL, automating risk assessment and alerting legal and support teams about suspicious activities. This significantly contributed to Buda being recognized as one of the most KYC/AML compliant cryptocurrency exchanges by Chile's government. ### Software Engineer @ Number8 Jan 2017 – Jan 2018 | Provincia de Santiago, Chile Part of the migration team focused on developing a micro-services oriented and ruby on rails based system to replace the functionality of a legacy platform. Participated in the development of new search features for job postings based on location and distance from the client to the job location. Performed on-call work as DevOPS assistant, fixed deployments to AWS machines, created instances for new staging applications on OpsWorks and added redirection rules and periodic task configurations using Chef cookbooks. ### Software Engineer @ SoftwareCriollo Jan 2017 – Jan 2017 | Caracas, Venezuela Responsible for designing, developing and implementing software solutions for a CRM application for legal firm in U.S.A. Developed an automated module for the assignment of firm lawyers to trial cases according to their availability, considering the variables: time, location, and area of expertise. Responsible for the design and development of Responsive and Cross Browser UI's using HTML5, CSS3, Javascript technology on Bootstrap and Jquery frameworks. ### Software Engineer @ Skepsis Consulting Jan 2015 – Jan 2016 | Los Ruices, Caracas, Venezuela Responsible for designing, developing and implementing software solutions for ERP-type applications using Ruby on Rails technology based on PostgreSQL Database. Data Mining and KPI Generation: Key member of a team focused on software development for Data Mining services and Key Performance Indicator (KPI) generation, utilizing R programming language tools. ## Education ### Computer Software Engineering EngineerGame Jan 2023 – Jan 2023 ### Bachelor's degree in Computer Software Engineering Universidad 'Alejandro de Humboldt' Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/diego-nino --- Source: https://flows.cv/diegonino JSON Resume: https://flows.cv/diegonino/resume.json Last updated: 2026-03-22