![LF](https://d2abrqas732254.cloudfront.net/images/specialists/7ab462d0b21e654e948080d2ae61251534ce1b7d.png)
English:
Advanced
Lautaro F.
Vetted by YouTeam
Argentina
UTC -03:00
America/Argentina/Buenos_Aires
English:
Advanced
Full-Stack Developer
The developer is an easygoing and highly adaptive individual, who is passionate about problem-solving and has a strong ability to provide results even under tight deadlines or stressful situations as he has worked on startups that had such dynamic and fast-paced environments. He has 5+ years of experience in building scalable and cost-effective architectures for both back-end and front-end using JavaScript and Node.js. Additionally, he has expertise in managing cloud services on top of the Amazon Web Services (AWS) platform. The developer is always striving to learn and improve, both on the job and in his spare time, experimenting with new technologies to enhance his skills. He uses these technologies: JavaScript, React.js, TypeScript, Redux, Node.js, Express, Redis, SOLID, Webpack, Amazon Web Services (AWS), API Development, Web Sockets, NoSQL, SQL, PostgreSQL, MySQL, MongoDB, Prisma, CI/CD, and Git.
Want to hire this engineer?
Check if Lautaro is availableExpertise
Years of commercial development experience
6 years of experience
Core technologies
Project Highlights
SACRA
Mar `22 - Apr `24
2 years
SACRA
He worked for a health center established in 2009, which is currently the largest health center in northern Argentina with 250 employees. In his remaining year as an AWS cloud developer, he continued to improve the back-end of the product and gained experience managing applications on AWS. He was responsible for configuring and maintaining configurations for AWS services such as S3, EC2, and CloudFront, as well as developing a serverless infrastructure using Lambda and API Gateway. He also led two front-end developers to produce Clean Architecture compliant and type-safe code, using React, TypeScript, and design patterns to improve code readability.
Responsibilities & achievements
• Improved database query performance by up to 20% by suggesting “Elasticsearch” instead of PostgreSQL full-text search • Improved the load times from 6s to 2s for end-users by optimizing the storage of media files through the integration of Amazon S3 and CloudFront services. (Used to store and retrieve large PDF documents) • Implemented AWS Lambda functions with Node.js to automate a few manual processes, resulting in significant time savings and improved accuracy of data processing • Made the code reusable by using the "bridge" design pattern for the core functions so that the functionalities can be extended
Open Source
Jul `21 - Oct `24
3 years
Open Source
• Contributed to the open-source community by developing a stateless web application that performs sentiment analysis on cryptocurrency-related Twitter data. • Created Lambda functions to update Redis and S3 for analysis of new tweets • In charge of providing scalability, speed, and user-friendliness in order to deliver optimal results • Optimized the application's performance using AWS S3 for efficient storage and faster website speed • Implemented search functionality with Elasticache, and we set up a load balancer and auto-scaling group on AWS to ensure the application scales according to traffic and distributes incoming traffic evenly among the instances • Implemented a home page that allows users to select a cryptocurrency and view sentiment data, displaying positive, negative, and neutral sentiment scores, average scores, and keywords • Included a pagination feature built with React.js that allows for easy navigation through multiple pages of tweets Techonogies: Object-Oriented Programming (OOP) · Full-Stack Development · SQL · Redis · Amazon Web Services (AWS) · TypeScript · React.js · Node.js
Responsibilities & achievements
• Contributed to the open-source community by developing a stateless web application that performs sentiment analysis on cryptocurrency-related Twitter data. • Created Lambda functions to update Redis and S3 for analysis of new tweets • In charge of providing scalability, speed, and user-friendliness in order to deliver optimal results • Optimized the application's performance using AWS S3 for efficient storage and faster website speed • Implemented search functionality with Elasticache, and we set up a load balancer and auto-scaling group on AWS to ensure the application scales according to traffic and distributes incoming traffic evenly among the instances • Implemented a home page that allows users to select a cryptocurrency and view sentiment data, displaying positive, negative, and neutral sentiment scores, average scores, and keywords • Included a pagination feature built with React.js that allows for easy navigation through multiple pages of tweets Techonogies: Object-Oriented Programming (OOP) · Full-Stack Development · SQL · Redis · Amazon Web Services (AWS) · TypeScript · React.js · Node.js
SACRA
Jun `21 - Mar `22
9 months
SACRA
Responsible 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 using caching mechanisms using Redis and proper design patterns • 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 • Executed entity modeling in SQL database with create and update tables, and also stored procedures • Created complex queries for generating complex reports
Responsibilities & achievements
Responsible 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 using caching mechanisms using Redis and proper design patterns • 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 • Executed entity modeling in SQL database with create and update tables, and also stored procedures • Created complex queries for generating complex reports
Lausof SRL
Jul `20 - Jul `21
1 year
Lausof SRL
Lausof is a leading tourism agency that operates in the North of Argentina as well as with international customers, established in 2010. Had the opportunity to contribute to a dynamic and fast-paced work startup environment, where he developed scalable and cost-effective architectures for both the frontend and backend systems.
Responsibilities & achievements
• Improved the website's performance by decreasing the first page load time from 20 seconds to almost instantaneous, through the implementation of Redis caching • Added a subscription system to the project using complex queries in MongoDB's aggregate with Mongoose ORM 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 framework, changing the server data fetching process, implementing dynamic routing, adding meta tags, and optimizing images • Analyzed the Next.js application and introduced an atomic design approach to divide it into more reusable parts. This resulted in a significant reduction of the JavaScript bundle size, with each page experiencing up to a 30% to 50% decrease. This approach enabled on-demand serving of these components, improving the overall performance and user experience ✓ Resulted in 8 new agency customers for Lausof, making 200%+ profits per month.
Lausof SRL
Jul `19 - Jul `20
1 year
Lausof SRL
• Improved database query performance by up to 20% by optimizing query parameters and reorganizing indexes to minimize execution time • 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.
Responsibilities & achievements
• Improved database query performance by up to 20% by optimizing query parameters and reorganizing indexes to minimize execution time • 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.
Education
Higher education in Computer Science
Agency
10-50
GMT-4
South and Center America
Core Expertise
Industries
Branding, design, web development
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