Sergio Pereyra | Freelancer Resume

Resume - My name is Sergio Pereyra and I'm a Fullstack Developer with extensive experience in E-commerce and PHP. EDUCATION ● University of Arkansas at Fayetteville Bachelors, Industrial engineering- ● Nur University Bachelors, Systems Engineering- ● Nur University Diploma, Human Resources Administration- PROFESSIONAL SUMMARY Over fifteen years of professional experience and one year of internship in Information Technology with emphasis on PHP website development using Client/Server applications for Web Based Applications. TECHNICAL PROFILE ● Website design and development of web and mobile applications. ● ● Blockchain development Truffle - Ganache - Web3 - Tethers - Solidity ● Strong knowledge in Software Development Life Cycle (SDLC) and experience in implementing Waterfall and Agile/Scrum Methodologies by reviewing and analyzing the business requirements. ● Experience in performing testing including Regression, Integration, Functional, White Box Testing, Front-end testing, and Back-end testing (including writing SQL queries for testing data integrity and database validation) ● Experience in designing and executing test plans, test cases, and test deliverables. ● Knowledge of Object Oriented Programming (OOP) concept. Extensively used JAVA for test case automation by creating test scripts using Selenium Web-Driver. ● Excellent knowledge in writing unique CSS and X-Path locators using the source code of the page to identify each unique element. ● Developed automated scripts for testing the functionality and navigation of the application using Selenium Cucumber Framework. ● Pushed and maintained code using Git for Continuous Integration. ● Ability to document and track defects and produce detailed reports using tools such as JIRA, GitHub. ● Configured Oracle and SQL server JDBC connections for automated Database testing. ● Used Apache POI for reading and validating the data from Excel Files. ● Performed RESTful API testing by REST Assured Library in JAVA, using API tools such as Postman. ● Ability to work collaboratively with Business Analysts, Scrum Master, Testers, Developers and other team members in developing and testing projects and in the overall enhancement of software product quality. ● Ability to work independently, in a team environment or in a rapid pace environment because of strong communication skills. ● Able to work independently or in a team setting with minimal supervision, established priorities, meet project milestones and deliverables dates. Ability to learn & develop using new technologies quickly. ● TECHNICAL SKILLS Programing Language 1. Php development (Shopify, Wordpress, ReactJS, Angular, Codeigniter), Html, Css, Typescript, Postgresql, Mysql 2. Blockchain (ERC20 - ERC721 - ERC1151) 3. 4. 5. 6. Java software development Microservices development experience Cloud development (AWS) ReactJs and Node.js API Tools Postman, RestAssure Library/Selenium Management Tools Jira, Trello WORK EXPERIENCE Full-stack Developer Auden Digital Oct 2020 - Oct 2021 Senior Business Manager The Galindo Consulting Group, Inc. · Part-time Jan 2007 - Present · 15 yrs 10 mos Richmond, Virginia Area Immediate Need for Help with Shopify Product Page Customization Rating is 5 out of 5. 5.00 Mar 18, 2022 - Apr 18, 2022 "I have worked with Sergio many times over the years and have always had good experiences!" Develop Shopify Store based from a website Rating is 5 out of 5. 5.00 Apr 6, 2022 - Apr 14, 2022 "Very good taking care of the project." NFT Full Stack Development - Web development, Blockchain development, and Integration Rating is 5 out of 5. 5.00 Mar 15, 2022 - Apr 1, 2022 Custom Wordpress Changes Based on Listeo WP Theme Rating is 5 out of 5. 5.00 May 24, 2022 - May 29, 2022 "Sergio was fantastic to work with! Very friendly and patient with changes I requested. Great work, thank you! Will definitely use him again in the future." Need assistance setting up Website/ SEO Rating is 5 out of 5. 5.00 Nov 22, 2021 - Dec 15, 2021 "Sergio and his team were very attentive to every detail. I will continue to use their services. Always responded on time and with a great attitude. Amazing fit for where we wanted to take our website, he was able to create and modernize what we had existing. Overall great quality and very communicative. Will continue working with them on any project needed. Highly recommended." Custom WordPress Designer & Developer Rating is 5 out of 5. 5.00 Oct 26, 2021 - Dec 5, 2021 "Sergio is a great developer and can follow instructions easily. Will be working with him again soon." Shopify Site Redesign | Brand Guidelines | UI/UX Audit | CRO | Women’s Luxury Clothing Site Dec 17, 2020 - Nov 23, 2021 Wordpress programming for high value site maintenance Rating is 5 out of 5. 5.00 Aug 20, 2020 - Nov 23, 2021 "Very reliable Wordpress maintenance, during complex situation. Great team. Recommended." Shopify developer to integrate market app with our ecommerce store Rating is 4.4 out of 5. 4.40 Oct 21, 2021 - Oct 27, 2021 "Aside from being a bit more prompt and attention to detail he did a great job and did it fast and was a professional" WebDev para customização no Shopify (Flex Theme) Rating is 5 out of 5. 5.00 Jul 19, 2021 - Aug 26, 2021 "It was great to work with Sergio; he helped us develop some pages for our new website." PHP/MySQL/JS: Performance Optimization of Web Application Rating is 5 out of 5. 5.00 Aug 8, 2021 - Sep 8, 2021 "He did a perfect job, and delivered on time without any glitches. My site which was draggy is now responding fast! It was easy to explain the job details and he was able to understand and start work immediately. The time difference between our two locations was not an issue. Definitely someone to look out for!" Software Developer Rating is 5 out of 5. 5.00 Jul 7, 2021 - Jul 18, 2021 "Sergio was able to learn the system and get me a solution in less than a day. Pretty amazing work." Shopify custom shipping setup Rating is 5 out of 5. 5.00 Dec 13, 2020 - Feb 2, 2021 "Sergio is a legend and great worker. We'll use again in the future." The Glew MVP Rating is 5 out of 5. 5.00 Jan 3, 2021 - Jan 23, 2021 "Sergio is a man of the people who looks out for his team and for the client with beautiful balance. He is the oil that greases the cogs and keeps the whole operation running smoothly." Word Press Web designer To Work On Our Existing Website Rating is 5 out of 5. 5.00 Sep 22, 2020 - Nov 19, 2020 "Excellent work and attention to detail. They really care about their work and it shows in not only the quality but in their excellent communication with each other and with me." Shopify + Hubspot + Typeform guru Rating is 5 out of 5. 5.00 Oct 19, 2020 - Nov 10, 2020 Front-end Shopify developer Rating is 5 out of 5. 5.00 Oct 18, 2020 - Oct 19, 2020 "Great freelancer, did what we needed" Automation project - Python Scripting Rating is 5 out of 5. 5.00 Jul 28, 2020 - Aug 31, 2020 "Great experience. I like that they have such convenient working hours for North America. Plus they were fast and efficient." Web design project Rating is 5 out of 5. 5.00 Jun 25, 2020 - Jul 15, 20 Expert web Developer for Wordpress website Rating is 5 out of 5. 5.00 Jul 10, 2020 - Jul 12, 2020 "Was a great experience with Sergio." Web design project Rating is 5 out of 5. 5.00 "very good freelancer and team. will hire again for future projects. very patient and goes the extra mile." Full Stack Developer - Custom WordPress Development Rating is 5 out of 5. 5.00 Jul 1, 2020 - Jul 12, 2020 "Sergio is an excellent manager and does anything he can to make sure you are taken care of. I fully recommend him and his team for any project." WEBFLOW DEVELOPMENT EXPERT NEEDED Rating is 5 out of 5. 5.00 Mar 14, 2020 - Jun 30, 2020 "Went above and beyond for my company site." Quick 4-5 Page Shopify Site Rating is 5 out of 5. 5.00 Feb 12, 2020 - Jun 22, 2020 Need a new CSS Sheet for our WordPress that will work with PHP 7.3 Rating is 5 out of 5. 5.00 Oct 22, 2019 - Oct 28, 2019 "Definitely would hire again. They were able to solve an issue when others told me they couldn't do it. Very easy to deal with." Website Visual Improvements Rating is 5 out of 5. 5.00 Jun 13, 2020 - Jun 14, 2020 "Sergio went over and above and provided an amazing product in the end. We will continue to work together on future projects." help with shopify Rating is 5 out of 5. 5.00 Aug 29, 2019 - Oct 14, 2019 "Galindo knows how to work, they have a very good service. Thank you!." Coder who knows Google Analytics Rating is 5 out of 5. 5.00 Aug 26, 2019 - Sep 2, 2019 "Sergio did a great job. Efficiently handled the task for me with no problems. Highly recommend working with him and his team." Shopify Expert Rating is 5 out of 5. 5.00 Jun 10, 2019 - Jul 7, 2019 "It was a pleasure working with Sergio and his team. They were fast, efficient, beautiful design work and I enjoyed working with them." Web designer / programmer Rating is 5 out of 5. 5.00 Jul 19, 2012 - Mar 25, 2019 "Sergio is a pleasure to work with. he is very attentive to detail, speaks and writes great English and available whenever we needed him. Will use him again on a number of projects" Development Team Needed: Wordpress, Shopify, Woocommerce, PHP, CSS, HTML Rating is 5 out of 5. 5.00 Jan 17, 2019 - Feb 14, 2019 Developer needed to modify Shopify template to be able to show categories. Rating is 5 out of 5. 5.00 Nov 28, 2018 - Dec 28, 2018 "Brilliant work - a pleasure to work with" Build website, do website development, and on and off page S.E.O. Patio Umbrella Store Oct 2016 - Feb 2017 · 5 mos Feedback from client: "Sergio is a great professional. He delivers his services on time and is always available for questions or concerns. I highly recommend him to anyone looking for an SEO expert!! You can't go wrong hiring him he is truly excellent at what he does." patioumbrellastore.com SEO Work for Online Store The Patio Umbrella Apr 2016 - Sep 2016 · 6 mos Feedback from client: "Sergio is a great professional. He delivers his services on time and is always available for questions or concerns. I highly recommend him to anyone looking for an SEO expert!! You can't go wrong hiring him he is truly excellent at what he does." Website development HammockShoppe.com Feedback from client: "Great experience, I will rehire him in a few months for additional work. He did SEO work and moved certain keywords into Google top 10 when they were not showing up for us at all. Worked on the project consistently and was very professional. I recommend him highly." HammockShoppe.com Wordpress Dev & SEO https://www.findspark.com/ Feb 2015 - Feb 2016 · 1 yr 1 mo Feeback from client: "Sergio has always done excellent on my company's website. He is proficient, efficient, courteous, and professional, which is very much appreciated. He is fantastic and is best at managing other team members and overseeing technical/coding work." Los Angeles based Architecture firm seeking Wordpress SEO optimization http://billgillilandarchitect.com/ Feb 2014 - Nov 2014 · 10 mos Feedback from client: "Sergio went above and beyond. The experience was great and I highly recommend his SEO skills." SEO review NuSteel Fabricators, Inc. Jan 2014 - Mar 2014 · 3 mos Weekly audit of Wordpress site Mar 2013 5.00 Great review of SEO for our Wordpress site. Very efficient and works well to deadline. Wouldn't hesitate to hire again. Weekly audit of Wordpress site Mar- Spanish language web specialist russellthomaslaw.com Nov 2013 - Jan 2014 · 3 mos Feedback: "Sergio was great to work with. He was very considerate of my timeline and budget and delivered great quality work." http://www.russellthomaslaw.com/ SEO wordpress projects chicagowebmanagement Jan 2012 - Nov 2013 · 1 yr 11 mos Feedback: 'Very helpful and communicative. Able to understand complex problems and work closely with client." Need SEO expert for Drupal7 site LiteCommerce Jun 2012 - Oct 2012 · 5 mos Feedback: "Sergio did an outstanding job of communicating and he was always available. We are already seeing results from his SEO work. Thanks Sergio" SEO Technician American Home Improvement Mar 2012 - May 2012 · 3 mos S.E.O. Technician Mar 2012 - May 2012 5.00 I will be rehiring the contractor soon. The contractor was excellent and did a great job! Home Improvement America Home Improvements Feb 2012 - Mar 2012 · 2 mos Home Improvement America Feb 2012 - Mar 2012 5.00 Feedback: I am very happy with the work done by Sergio. Sergio was dependable, honest. I would highly recommend Sergio to anyone thinking of hiring him for their project and, I will be using Sergio in the future. One product webshop - SEO - Convert vistors to customers One Product Webshops Jan 2011 - Dec 2011 · 1 yr Feedback: Sergio is a hardworking person, that really knows what he is doing when it comes to SEO. I gave him a hard task that he fulfilled superb. We will continue to work with him! Onpage Offpage SEO WSIDNI - Desarrollo de Negocios por Internet Jan 2011 - May 2011 · 5 mos Sergio's experience and knowledge deserve 5 stars, just look at his feedback and you just found the quality work and always around the clock that you are looking for. He deliver on time and communicates effectively with suggestions and understanding the complexity of our different schedules. ***** Senior SEO Expert in Upwork ( formerly odesk) GALINDO CONSULTING GROUP, INC. Jan 2007 · 1 mo I have worked for over 18.000 hours in Search Engine Optimization projects on Upwork.com. I have excellent feedback from these projects. I have developed and optimized a wide range of websites using HTML, and CSS including sites for startup companies and small businesses. My core competency lies in Web management and Search Engine Optimization of websites. Senior Web Developer|Opencart|SEO specialist|Passionate for Wordpress Over the last 10 years, I have developed a wide range of websites using HTML&HTML5, DHTML, PHP, CSS&CSS3, OPENCART, WORDPRESS and MySQL including sites for startup companies and small businesses. My core competency lies in Web management of a new website development project specially working with my team of Senior Developers, and I am seeking opportunities to build websites from the ground up for you or your business. Communications Director SerSat S.S Jan 2004 - Dec 2006 · 3 yrs I managed communication with satellite operators worldwide to be able to show Unitel/ Canal 7/ and other streams worldwide.