About Me

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Bio

As a seasoned Software Engineer with over a decade of hands-on experience, I've mastered JavaScript frameworks like Angular, Vue, React, and NodeJS, complemented by TypeScript. At Research Solutions, I pioneered 30% of the platform's gadgets using Angular. A highlight was the creation of a pivotal COVID-19 app, offering comprehensive daily and monthly summaries, thus unlocking access to over 80% of NCBI articles. Additionally, I fashioned an Office add-in for Outlook using React, enhancing the ease of access to Article Galaxy accounts. At NA-AT Technologies, my role was instrumental in revolutionizing HSBC's iBoarding module, leveraging Angular and NodeJS to halve the loan application process. My freelance ventures with industry giants like Banorte, MetLife, and Banregio stand testament to my adaptability, while at Vexilo, my acumen in UX/UI ensured top-ranked organic search results for numerous sites. My holistic approach, honed as a certified yoga instructor, infuses innovation in every project. Registered with the Mexican Tax Authorities (SAT) and equipped with a valid U.S. visa, I'm ready for diverse challenges. Engage with me to harness the synergy of my technical expertise for your objectives.

EXPERIENCE

Freelance | Self Employed, Software Engineer

Jun, 2023 - Present • Remote

  • As a Freelance Software Engineer, I've specialized in crafting robust web applications utilizing Next.js for server-side rendering, improving initial page load times, and SEO. By incorporating React, I've been able to create dynamic user interfaces that respond seamlessly to user interactions.
  • My designs come to life with the aid of TailwindCSS and Bootstrap, ensuring responsive layouts across all devices. Recently, I've also adopted AstroJS, a modern front-end framework, to deliver faster, lighter, and more scalable sites.
  • Deploying through Vercel and Cloudflare not only fortified my sites' security but also optimized their global delivery. The culmination of these technologies and methods has consistently landed my projects with a 95+ score on Lighthouse, validating the quality and performance of my work. As a testament to my technical proficiency and client-centric approach, I've maintained a 100% client satisfaction rate throughout my freelance journey.- As a Freelance Software Engineer, I've specialized in crafting robust web applications utilizing Next.js for server-side rendering, improving initial page load times, and SEO. By incorporating React, I've been able to create dynamic user interfaces that respond seamlessly to user interactions. - My designs come to life with the aid of TailwindCSS and Bootstrap, ensuring responsive layouts across all devices. Recently, I've also adopted AstroJS, a modern front-end framework, to deliver faster, lighter, and more scalable sites. - Deploying through Vercel and Cloudflare not only fortified my sites' security but also optimized their global delivery. The culmination of these technologies and methods has consistently landed my projects with a 95+ score on Lighthouse, validating the quality and performance of my work. As a testament to my technical proficiency and client-centric approach, I've maintained a 100% client satisfaction rate throughout my freelance journey.

Softtek, Software Engineer

Jan, 2023 - May, 2023 • Remote

  • During my tenure at Softtek, I achieved significant milestones in the development of the SQL Diagnostic Manager. By leveraging Angular for its dynamic UI capabilities and NodeJS for a scalable back-end, I played an instrumental role in creating a powerful platform. I implemented Highcharts to provide intricate visualization, which effectively showcased data from up to 200 database instances. This enhancement greatly bolstered the decision-making process, allowing teams to derive insights more efficiently. In essence, I achieved enhanced database visualization through the integration of Angular, NodeJS, and Highcharts, resulting in more informed decision-making for our users.

Research Solutions - Frontend Developer

Jan, 2017 - Jan 2023 (~6 years) • Remote

  • I spearheaded the development of 30% of the platform's gadgets (Angular apps), leading to a substantial 70% optimization of workflows for clients and scientists.
  • I engineered a backend using Python and NodeJS, achieving up to 50% enhancement in processing efficiency for our suite of gadgets.
  • I was responsible for creating the primary interface for a pivotal gadget, which presented a comprehensive daily and monthly summary of Covid-19 articles. This development unlocked access to over 80% of the articles available in NCBI.
  • I spearheaded the development of an Office add-in for Outlook using React, facilitating seamless access to reference lists within users' Article Galaxy accounts. This integration was designed to boost the sale and/or rental of items available within the Article Galaxy platform.

NA-AT Technologies (HSBC Project) - Freelance

Sep, 2021 - Aug 2022 (~11 months) • Remote

  • I spearheaded the creation of the iBoarding module for HSBC's Commercial Banking (FAD), leading to a substantial reduction of up to 50% in the time required for signing and managing business loan applications.

ValerioBarreto.com - Freelance

Mar, 2015 - Dec 2016 (~ 1 year 10 months) • Remote

  • Through leveraging JavaScript, CSS, and HTML, I effectively reduced the development time and cost of native applications by up to 50%. This efficiency was demonstrated across several projects, including apps for prominent banks such as Banorte, MetLife, and Banregio.

Vexilo - Web Developer

Nov, 2013 - Mar 2015 (~ 1 year 5 months) • México City

  • Leveraging Google's best practices and W3C standards, I successfully optimized over ten websites and e-commerce platforms, achieving top-ranking positions in organic search results within a span of fewer than three months.

ASIAMI S.A. DE C.V. - Webmaster

Feb, 2011 - Mar 2013 (~ 2 years 2 months) • México

  • I successfully maintained the company's website in the top search results for two consecutive years, which contributed to a notable 30% increase in new customer acquisition.

ALUMNOS OSOS. - Web Master

Nov, 2009 - Jan 2013 (~ 4 years) • México

  • I took the initiative to develop a student blog, which effectively enhanced communication between students and teachers by an impressive 80%.

EDUCATION

UNIVERSIDAD BANCARIA DE MÉXICO - Computer Systems Engineer

2009 - 2013 (~ 4 years 6 months) • México

ONLINE COURSES & SELF LEARNING

Project Management Basics • Certificate • R9C9UWT588Q5

Sep 13, 2022 • Google/Coursera Online

SKILLS & KNOWLEDGE

FRAMEWORKS & TOOLS

  • VueJs
  • React
  • React Native
  • NextJs
  • NuxtJs
  • Tailwind
  • Bootstrap
  • Angular
  • Bulma
  • Git
  • Jira
  • Figma
  • Redux
  • GCP
  • AWS
  • TypeScript
  • Jenkins
  • SonarCloud
  • Selenium
  • Jest
  • Cypress
  • Firebase
  • MongoDB

PROGRAMIC LANGUAGES

  • Javascript
  • Css
  • HTML
  • Python
  • NodeJS

TECHS & METHODOLOGIES

  • MySQL
  • SQL
  • Restful APIs
  • Scrum
  • Sass/Less
  • Linux Servers