Taylor Guillerm

Software Engineer Email: ad4sdx@r.postjobfree.com

Phone: 323-***-****

Location: Dallas, TX 75252

Summary

Seeking a position to utilize in-depth experience in modern technologies and bring value to organization as an active member with ability to work as a team or independently. Be part of a strong organization or start up environment which can utilize my skills and abilities not only to achieve my professional growth but also be a valuable asset to the company. Career Overview

● 11+ years of experience delivering technical strategies and solutions to multiple companies as a product-oriented software engineer/problem solver.

● Proficient in modern frameworks and libraries including Node.js, Django, Laravel and Open AI package, NLP integration.

● Highly motivated team player with strong communication, interpersonal, intuitive, and analytical skills.

● Thrives in both independent and collaborative work environments.

● Quickly grasps and applies technical and functional aspects of complex projects with minimal input. Skills

● Languages: Javascript, Typescript, Python, Java, PHP

● Frontend: HTML, CSS, Bootstrap, React.js, React native, jQuery, Next.js 13, Gatsby, Vue.js, AngularJS, Tailwind CSS, Material UI

● Backend: Node.js, Express.js, Nest.js Django, FastAPI, Laravel, Spring Boot, OAuth 2.0

● Testing Tools: Mocha, Jest, Karma, Puppeteer, React native Testing library, BrowserStack, Cypress

● Database: MySQL, MSSQL, SQLite, Oracle, PostgreSQL, MongoDB, RDS, DynamDB

● Cloud Services: AWS Amplify, Cognito, Lambda, IAM, S3, EC2, Azure Container, Azure function, Azure Storage Experience

Senior Frontend Engineer

Chewy Dallas, TX Jan, 2021 – Feb, 2024

Enhanced customer growth and improved website performance for PetMD by resolving numerous technical issues. Responsibilities included designing, developing, and maintaining the PetMD platform, as well as integrating it with Chewy's internal platforms to facilitate connections between pet owners and expert veterinarians.

● Utilized Lighthouse reports to evaluate and analyze performance metrics of ecommerce websites and mobile applications, leading to a 25% increase in website speed and a 20% decrease in bounce rates.

● Collaborated on various stages of ecommerce projects, including requirements analysis, UI and product design, tech stack selection

(MERN stack and AWS), architecture design, development, and automated testing.

● Created a comprehensive user interface style guide and protocols in the ecommerce industry by using Tailwind CSS, reducing development time for new features and rearchitecting components by 30%.

● Conducted research and feasibility analysis for responsive UI components, design systems, and AWS cloud service configurations in the ecommerce domain.

● Implemented a new frontend architecture using Next.js app router architecture, resulting in a 25% increase in page load speed and a 15% increase in user engagement for ecommerce platforms.

● Developed and maintained a shared/reusable component library following Figma design and integrated Storybook for exploration necessary for the ecommerce platforms.

● Developed frontend applications with React.js, including the development of a GenAI-powered chatbot that enhanced customer engagement and satisfaction in the ecommerce domain.

● Implemented backend services for GenAI chatbots with Python packages such as Keras, spaCy, pandas and NLTK, focusing on creating seamless and engaging user experiences, in coordination with cross-functional teams using ChatGPT OpenAI API.

● Developed and maintained an AI-based recommendation system sentimental analysis modules by integrating with Django application with 3rd party NLP services, resulting in a 15% increase in customer engagement and a 10% increase in sales.

● Utilized test-driven development (TDD) to improve code quality by 70% and automate testing in CI/CD pipelines with Jenkins for ecommerce projects using Jest and Cypress.

● Worked with Data engineers to develop and test data wrangling modules using Python libraries such as Pandas and standardized customer requests, reports into training data models such as Tensorflow .

● Contributed to building MVP and POC development, demonstrating in-depth technical knowledge of cross-browser optimization, performance optimization, web accessibility, search engine optimization, and print adaptation in the ecommerce industry.

● Optimized components for maximum performance across various web-capable devices and browsers, resulting in a 35% increase in user engagement and a 10% increase in revenue for ecommerce platforms.

● Integrated Laravel framework and migrated from PHP frameworks to Node.js-driven backend RESTful APIs and GraphQL, along with MongoDB, in the ecommerce domain.

● Conducted analysis and resolution of production issues in the ecommerce domain using Sentry, resulting in a 30% reduction in software defects from legacy SaaS platforms.

● Mentored junior developers to implement cross-browser compatibility, resulting in a 50% increase in user experience and satisfaction with performance by optimizing legacy frontend code in ecommerce projects.

● Updated technical documentation to define system architectures, components, development environments, and implementation strategies for new engineers and code maintenance in the ecommerce industry.

● Applied security practices in AWS, including multi-factor authentication, access key rotation, role-based permissions with OAuth 2.0, strong password policies, and configuring security groups and S3 bucket policies, to ensure secure ecommerce platforms.

● Implement OAuth2.0 and OpenID for mobile and non-browser solutions in order to access protected RESTful APIs via JWT

● Delivered high-performance platforms by collaborating with the backend team to display intuitive data using custom web components, leveraging the mono repository - Nx - to optimize CI performance and maintain code quality in the ecommerce domain.

Software Engineer

Microsoft Dallas, TX Jan, 2019 - Jan, 2021

Successfully delivered a modern SaaS platform by designing and developing a new financial platform with the suitable frameworks and maintained the platform to enhance performance. Maintained the platform update by addressing the technical debts as well as user feedback

● Executed end-to-end software development life cycles (SDLC) for assigned projects in the real estate and financial industries, ensuring adherence to company standards and timely, high-quality project completion.

● Developed scalable real estate platforms using the MERN stack, via unit test, integration test and end to end test subject to continuous integration, to optimize efficiency and maintain performance using Jest, Cypress and Selenium.

● Stayed updated with emerging AI / ML technologies and up-to-date web frameworks, resulting in a 20% increase in customer engagement and project success rates in the real estate and financial industries.

● Implemented a new automated testing process using ADO (Azure DevOps), reducing bug-related delays by 35% and increasing overall code quality by 30%.

● Resolved technical challenges related to DB migration, improving query speed by an average of 12% from legacy data retrieval time in the real estate and financial industries.

● Tracked deployment, documented, and maintained software internally and externally, ensuring high availability for users and supporting ongoing business growth in the real estate and financial sectors.

● Collaborated with designers and stakeholders to create a user-friendly interface for a new web application, resulting in a 25% increase in user engagement and a 20% decrease in bounce rates in the real estate and financial industries.

● Delivered critical features on React Native mobile applications to support COVID-19 response, including risk assessment survey platforms based on CDC guidance.

● Developed and maintained RESTful APIs using Node.js, enabling seamless communication between web applications and third-party services, leading to a 30% increase in efficiency in the real estate and financial sectors.

● Integrated third-party APIs (Stripe, PayPal, Twilio) into web applications, improving functionality and user experience as well as security with OAuth 2.0, resulting in a 15% increase in customer satisfaction in the real estate and financial industries.

● Designed high availability and business continuity architectures using self-healing mechanisms, fail-over routing policies, multi-AZ deployment of EC2 instances, ELB health checks, auto scaling, and other models based on functional and non-functional requirements in the real estate and financial domains.

● Leveraged Infrastructure as Code (IaC) to automate and optimize cloud infrastructure, enhancing project agility and reliability in the real estate and financial industries.

● Debugged and troubleshooted React.js and React Native mobile applications, identifying and addressing front-end performance bottlenecks, reducing bug-related delays by 20% and increasing overall code quality by 15%.

● Created and maintained technical documentation, facilitating seamless knowledge transfer and collaboration among team members, contributing to a 25% increase in team efficiency and productivity.

● Performed React Native upgrades, improving app performance and reducing app bundle size from 57.3MB to 38MB.

● Utilized Swagger to document APIs to make them accessible to cross functional teams and wrote comprehensive documentation.

● Implemented A/B testing and user feedback analysis to continuously improve user interface design, resulting in a 15% increase in user satisfaction scores over a six-month period in the real estate and financial industries.

● Utilized Elastic Beanstalk for quick deployment of services such as EC2 instances, load balancers, and databases on the AWS environment.

Full Stack Developer

CVS Health Orlando, FL April, 2015 - Jan, 2019 Successfully implemented user-friendly patient portals that provide real-time updates and improved accessibility. These portals have played a vital role in enhancing patient engagement and improving health outcomes on our telemedicine platform. Also the achievement is attributed to the utilization of natural language processing (NLP), which has allowed us to standardize health record data and enhance predictive analytics.

● Unified divergent React Native features in CVS Health consumer mobile apps while laying the foundational groundwork for future development, and eliminated critical technical debt from pre-existing setup.

● Implemented UI components using client side React.js, Tailwind CSS and workflows such as Redux, Flux, and Webpack and improved 12% on the page SEO and for optimal Google Search ranking.

● Ensured the security of the platform by adopting OAuth 2.0 to integrate Authorization service and delivering key features such as 2FA, registration and fair use policy thus get real-time alerts and in-browser guidance when finding new identities.

● Implemented automated testing processes on React native codebase, reducing bugs by 30%, and improving overall code quality by using Mocha for simple JavaScript test scripting, speeding up JavaScript validation by 25%

● Translated designs and wireframes into interactive, dynamic code from backend services using React.js and Material UI and addressed the technical debts using Redux based architecture

● Maintained high-level expertise in React state management strategies, including Redux, Redux Persist and redux-saga in patient facing mobile application as well as provider web portal

● Integrated React native mobile application with Node.js driven back-end services and Postgres databases, guaranteeing data accuracy and a 15% increase in system reliability based on load testing and stress testing

● Developed and launched a mobile application that achieved a 4.3 star rating on both the App Store and Google Play, resulting in a 12.5% increase in user engagement and a 3% increase in revenue within the first six months.

● Tested and debugged code to ensure compatibility and stability, resulting in a 15% reduction in website errors on Sentry and improved website functionality by adding new features such as clinical notes and negation with NLP pipelines

● Re-architected the existing codebase and made them modular components to be implemented by following TDD using Jest framework for React along with Enzyme test utilities.

● Wrote AWS Lambda functions for the trigger functions with AWS S3, Cognito, SNS and SQLAlchemy using Python and Node.js

● Utilized NLP toolkit on Django REST backend services to classify SMS messages as spam or not spam as well as autocomplete sentences as the patients typing on the chat

● Collaborated with cross-functional teams to design and implement user interfaces for mobile applications, resulting in a 15% increase in user satisfaction and a 10% increase in user retention. Web Developer

Venturi Group Jacksnoville, FL Jan, 2014 - April, 2015 Developed customer-facing web applications in diverse industries such as real estate, e-commerce, and healthcare. I have contributed to building high-performance platforms and gained knowledge of complex code architecture to improve performance and database design

● Took ownership of the end-to-end development process, from concept to deployment, while contributing to the continuous improvement of technology stacks as a consultant.

● Participated in all phases of the software development life cycle (SDLC), including requirement analysis, design implementation, and maintenance, with extensive experience in Agile and Scrum methodologies.

● Played an active role in structuring and maintaining highly modularized single-page applications using React.js, ensuring ease of maintenance and user experience, thus improved client satisfaction rates

● Developed elegant UI components, responsive websites and frontend applications using ReactJS and Material UI, serving desktop, tablet, and mobile users, providing a seamless user experience across devices.

● Collaborated with back-end developers and DevOps engineers to build RESTful APIs and deploy microservices architecture based on Node.js and Express framework, along with MSSQL database.

● Contributed to code review meetings, identifying bugs, inefficiencies in existing platforms, and providing potential solutions to emergent issues.

● Integrated Bootstrap 3 to enhance the graphical user interface (GUI) and ensure seamless navigation between pages in ReactJS applications.

● Implemented a Kubernetes-based monitoring and logging solution, providing real-time visibility into system performance and reducing mean time to resolution (MTTR) by 30%.

● Developed high-performance customer-facing e-commerce applications using ReactJS, Redux-saga, React Hooks, TypeScript, HTML, CSS, Javascript, SASS, and Bootstrap4.

● Demonstrated strong proficiency in AWS, independently building, deploying, and scaling applications with minimal support.

● Implemented custom API layer for handling CRUD transactions, secured API layers by using JWT, and incorporated interceptors for custom headers and logging systems in PHP/Laravel frameworks to enhance security throughout the backend codebase.

● Utilized Gradle and Webpack to build microservices, UI components, and smoothly pipeline them for continuous integration and continuous deployment (CI/CD) using Jenkins.

Education

University of North Florida

Bachelor of Science, Computer Science 2013

Jacksnoville, FL

Certifications

HackerRank Solutions

Javascript, React.js, Node.js, Apollo GraphQL, SQL 2022

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