Luis is currently unavailable
Luis del Giudice Sierra
Verified Expert in Engineering
Software Developer
Santo Domingo, Dominican Republic
Toptal member since October 3, 2017
Bio
Luis is a data-and-feedback driven Python and JavaScript full-stack software engineer who has a passion for startups, software products, and helping companies grow. As an entrepreneur himself, he knows that most of the time, there are not enough resources and has learned to single-handedly to take complex projects from the design to implementation to the platform and infrastructure.
Portfolio
Knack
Node.js, Flask, React Native, React
MiResidencial
Node.js, React Native, React, Django
Mokriya, Inc.
JavaScript, Django, React
Experience
- PostgreSQL - 5 years
- Web - 5 years
- Django - 5 years
- JavaScript - 5 years
- Python - 5 years
- Amazon Web Services (AWS) - 2 years
- React Native - 1 year
- React - 1 year
Preferred Environment
Git, Command-line Interface (CLI), Sublime Text, MacOS
The most amazing...
...thing I've done was to automate the work of an entire team by implementing different apps, checks, and integrations with multiple services
Work Experience
Senior Software Engineer
2018 - PRESENT
Knack
- Redesigned and redeveloped from the ground up the company's main consumer product, Knackup. It was spread across four different apps, three of which were Unity games and one React Native application. Now it is a single app with an improved UX and happier users.
- Led the development in terms of iterative, data-and-feedback driven product sprints.
Technologies: Node.js, Flask, React Native, React
Founder
2017 - 2018
MiResidencial
- Designed and developed company's main product, a cross-platform mobile application with React Native to help condominium managers with their administrative tasks.
- Successfully launched the app getting over 300 condominiums in the first week.
- Built a team of two engineers and one designer to continue iterating on the app (driven by data and feedback) and helped the company grow to thousands of condominiums.
- Negotiated a successful acquisition.
Technologies: Node.js, React Native, React, Django
Senior Full-stack JavaScript Engineer
2017 - 2018
Mokriya, Inc.
- Helped build Verizon's digital signage management system and collaborated with a team of 20+ members on a single project.
- Led the architecture, design, and development efforts for separating widgets (parts of the system) into a standalone back-end and front-end service.
Technologies: JavaScript, Django, React
Software Engineer II
2016 - 2017
ezhome
- Built and maintained the infrastructure on top of AWS to support the high availability and scalability of the company's main system.
- Collaborated with a team to build and improve the online store customers used to purchase, schedule, and communicate regarding home services.
- Developed a complete worker acquisition flow into the system with different apps. Including a website for workers to find out about the company, apply, and schedule their field trial; an application for recruiters to efficiently review many applicants at scale; and a back-end that integrated with dozens of third-party apps that supported this process.
- Iterated with growth team on many experiments to drive acquisition and improve customer retention.
- Automated the work an entire team was doing—saving the company hundreds of man hours of work a week.
Technologies: Amazon Web Services (AWS), Node.js, Go, React, Django
Software Developer | Team Lead
2015 - 2016
NeosCloud
- Bootstrapped a project management tool with Django and AngularJS to use internally which then became one of the company's software products.
- Led a team of five developers into successfully delivering sprint after sprint software to improve the product.
- Set up the server infrastructure to support the high availability of company's products.
Technologies: Linux, AngularJS, Django
Experience
Jaime
Jaime is a cross-platform desktop app that helps teams make data-driven decisions by turning SQL queries into fully featured analytical reports.
MiResidencial
MiResidencial is an Android and iOS app built with React Native to organize and automate the many tasks that property managers have to deal with.
upnup
upnup is a platform to help developers build a good resume and portfolio website.
Technologies: Django, Node.js, React
Technologies: Django, Node.js, React
My Personal Website
Just my personal portfolio website showcasing the work that I've done.
Risus
Risus is a web platform built with Django and React that helps orthodontist patients get proposals without ever going to a doctor's office by taking photos of their teeth and securely sending online.
Education
2012 - 2017
Bachelor of Engineering in Software Engineering
Instituto Tecnológico de Santo Domingo - Santo Domingo, Dominican Republic
Skills
Libraries/APIs
React, Node.js
Tools
Sublime Text, Git
Languages
Python, JavaScript, Go
Frameworks
React Native, Django, AngularJS, Flask
Platforms
Web, Amazon Web Services (AWS), Android, iOS, MacOS, Linux
Storage
PostgreSQL
Other
Command-line Interface (CLI)
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring