Lautaro Figueroa

Full-stack Engineer • Frontend Developer • CABA, CABA, AR

Javascript

Node.js

React

Express.js

PostgreSQL

MySQL

MongoDB

Amazon Web Services

NoSQL

SQL

Elasticsearch

Available for hire fromNegotiable

Contracts

Full-Time Roles

Full-stack Developer with 5+ of experience. JavaScript/TS Node. Experience integrating AI into systems and making them cost-effective.

I'm an easygoing and highly adaptive developer, who is passionate about problem-solving and has a strong ability to provide results even under tight deadlines or stressful situations as I have worked on startups that had such dynamic and fast-paced environments.

Projects

Tourism Travel Agency

Developed a fully functional application that allows customers to book tours and activities directly from the website. Here I was responsible for conceptualizing and designing both the user interface and the database schema. It has an integrated payment gateway with PayPal and MercadoPago. Built a fully functional shopping cart that stores the items in the user's local storage so that they can be saved even if the user closes the browser. Worked with Google Places API to display the available hotels for pickup within a certain radius specified by the agency. Also worked with Google Maps API to display the route of the tour with the stops and drop-off points. Implemented email submission to the agency once a client completes the contact form. Contains a user authentication system using NextAuth and Google OAuth to allow specific users to access the admin panel.See More

Car Marketplace

Developed a Full-stack application with server-side rendering and client-side routing aimed to simulate a Car Marketplace business model. Built a user authentication system using Firebase Auth and Google OAuth. Built a pagination system using the best practices of Next.js and MongoDB. Implemented a payment system using PayPal. Implemented Cloudinary services to handle the upload and retrieval of high-quality images. The back end of the system was developed using Node.js, Express.js, and MongoDB. Deployed the application on Vercel.See More

Work History

Full-stack Developer

Thrivos Mar 2023 - Present • 1 yr 6 mosContributed to a fintech company specialized in nationwide loans, established in 2017 and currently offering customer acquisition and loan servicing. • Designed and implemented a contact center architecture utilizing various AWS services, including Lambdas, SNS, DynamoDB, Kinesis, Connect, etc. • Improved the load times for end-users from 6s to 2s by optimizing the storage of media files through the integration of Amazon S3 and CloudFront services. • Improved database query performance by up to 20% by suggesting “Elasticsearch” instead of PostgreSQL full-text search. • Managed real-time data ingestion, handling an average of 10 calls per minute using Lambdas and Kinesis. This system funneled data to the front-end which was on React, serving as a single source of truth for the company infra changes.

Cloud AWS Developer

SacraJul 2021 - Mar 2022 • 9 mosResponsible for optimizing and refactoring the architecture of the product. This included creating complex queries, improving database performance, and redesigning the reporting system for faster execution times. • Reduced reporting time from 45 minutes to 2-3 minutes by implementing caching mechanisms using Redis and proper design patterns • Redesigned an old & slow reporting system using parallel processing and proper design patterns and reduce its execution time from 15+ minutes to 6~ seconds • Converted data from Excel tables containing employee entry and exit times to a concise report format using PostgreSQL, providing clear insights to the managers and the CEO

Full-stack Developer

Lausof Jul 2020 - Jun 2021 • 1 yr• Implemented a subscription system to the projects using complex queries with MongoDB’s aggregate and Mongoose in order to achieve a B2B business model. (Since Lausof offers bus rental to other tourism agencies) • Optimized SEO of React app by up to 40% by migrating to Next.js, changing the server data fetching process, implementing dynamic routing, adding meta tags, and optimizing images • Improved website's performance by decreasing the first page load time from 15 seconds to almost instantaneous, through the implementation of Redis caching

Lausof

Back-end DeveloperJun 2019 - Jul 2020 • 1 yr 2 mos• Developed 160 reusable restful APIs for the company's project using Express.js and MongoDB in 4 months • Improved data ingestion and insights by integrating various third-party APIs and services, such as payment gateways (Mercado Pago), messaging platforms (SMS, Gmail), and code-tracking tools (Sentry). This enhanced functionality and improved the user experience for Lausof customers, resulting in increased user engagement and satisfaction

Full-stack React/Node Developer

IT ContractorFeb 2018 - Mar 2019 • 1 yr 2 mos• Designed 10+ web applications with HTML, CSS/Sass, Redux, and Next.js, on pre-established design requirements • Worked closely with clients to deal with day-to-day issues, planning project estimates, and serving as technical point of contact for clients • Utilized AWS tools such as Lambda, S3, and the CLI for building and deploying RESTful APIs and integrating third-party services such as PayPal, Stripe, and Twilio for messaging needs

Education

National Technological University of Argentina

Bachelor's Degree, Software DevelopmentFeb 2019 - Oct 2021

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