YouTeam Logo

Summary

Expertise

Project Highlights

Education

Agency

JV

English:

Proficient

Juan Sebastián V.

vetted by Youteam

Vetted by YouTeam

Colombia

UTC -05:00

America/Bogota

English:

Proficient

Systems and Computer Engineer

I am a Systems and Computer Engineer graduated from the National University of Colombia and I have more than 6 years of experience in the field of software development. I have a great capacity for logical reasoning and problem solving, and I am proactive to the challenges of the projects in which I participate. I have knowledge in object-oriented programming, relational databases (SQL Server, PostgreSQL, Oracle), and cloud infrastructure, mainly with Azure. I also handle technologies such as .NET Core, Node.js, and Docker, as well as programming languages that include TypeScript, Java, JavaScript, C#, and Python.

Want to hire this engineer?

Check if Juan Sebastián is available

Expertise

Years of commercial development experience

6 years of experience

Core technologies

TypeScript 6 years
JavaScript 6 years
Azure Functions 4 years
API 6 years
SQL Server 6 years
Angular 2x 5 years

Other technologies

C#
CSS
Java
JavaScript
Node.js
PostgreSQL
Python
TypeScript
Go
HTML
Spring Boot
Google Cloud Datastore

Project Highlights

icon
Senior Backend Developer

Mercado Libre

Mar `23 - Apr `23

Mercado Libre

Mercado Libre marketplace module, specifically in the fashion sector.

Responsibilities & achievements

• Had responsibility centered on the Mercado Libre marketplace, particularly within the fashion sector, a key area of the platform. • Utilized Machine Learning APIs to generate user recommendations upon selecting one or more garments. • Analysed garment images to provide recommendations for similar items.

AWS
Azure
Java
PostgreSQL
TypeScript
Go
Spring Boot
Firebase
Google Cloud Datastore
icon
Senior Backend Developer

SophiLabs

Dec `22 - Feb `23

2 months

SophiLabs

Advent is a logistics and container transportation company with a presence throughout the United States.

Responsibilities & achievements

• Implemented multiple business logic functionalities in the backend for the client.

Azure
MongoDB
.NET
SQL Server
Cosmos OS
Docker
icon
Middle Backend Developer

Ernst & Young

Mar `22 - Nov `22

8 months

Globant

This system produced invoices with a large amount of information and my responsibility was to implement the VAT (Value Added Tax) calculation based on a set of rules provided by an independent rules engine.

Responsibilities & achievements

• Worked on backend development for an enterprise billing application at Ernst & Young. • Utilized .NET Core and Azure Functions for backend development. • Programmed a VAT rules engine using Python.

Python
.NET Core
Azure Functions
icon
Middle Backend Developer

Hubster

Sep `19 - Feb `22

2 years

Slabcode SAS

Hubster is an application that integrates food orders from various platforms (such as Rappi) so that restaurants can have centralized information of their orders in one place, instead of having to manage several applications.

Responsibilities & achievements

• Built a serverless architecture at the backend for implementing integrations with external APIs. • Designed a serverless software architecture deployed on Google Cloud, featuring low-cost auto-scaling capabilities. • Developed Google Functions using .NET Core. • Worked within a team of 5 people.

C#
JavaScript
Node.js
Redis
.NET Core
Google Cloud Datastore
icon
Middle Backend Developer

LavaloTu

Sep `19 - Feb `22

2 years

Slabcode

LavaloTu is an information system for the management of laundromats, which aims to improve the efficiency of various processes in this business.

Responsibilities & achievements

• Main responsibility included the design and implementation of the system's data model. • Developed several backend functionalities for the project.

C#
SQL Server
.NET Core
Google Cloud Datastore
icon
Middle Backend Developer

MiFirma

Sep `19 - Feb `22

2 years

Olimpia IT

MiFirma is an application developed by the company Olimpia IT to allow the digital signature of documents with full legal and juridical validity. The application also has additional functionalities such as allowing more than two parties to participate in the signing process, duplicate documents, among others.

Responsibilities & achievements

• Part of the backend development team, focusing on .NET Core, Entity Framework, and SQL Server. • Utilized a hexagonal software architecture for development. • Conducted on-premise deployments using IIS. • Integrated with external APIs via REST. • Ensured interoperability with other Olimpia IT services using WCF. • Utilized SQL Server for data storage. • Accessed database information using Entity Framework and Dapper.

C#
SQL Server
Entity Framework
Scrum
Team Foundation Server
.NET Core
icon
Middle Backend Developer

ReconoSer

Sep `19 - Feb `22

2 years

Olimpia IT

ReconoSer is a digital product that offers biometric solutions to the public sector and private enterprises, particularly to companies in the financial sector. It allows the identification of a person by various means, such as facial recognition, fingerprint recognition and iris recognition.

Responsibilities & achievements

• Engaged in backend development using .NET Core. • Designed and implemented a new software architecture for transitioning from an on-premise model to Azure deployment. • Implemented a logging system utilizing Azure Monitor. • Developed a facial recognition module. • Implemented an OCR (Optical Character Recognition) module for scanning Colombian identity documents. • Utilized SQL Server for data storage. • Accessed database information using Entity Framework and Dapper.

Azure
C#
Entity Framework
OCR algorithms
.NET Core
Azure Functions
icon
Junior Fullstack Developer

Jarvis - InHouse Human Resources Management System

Aug `18 - Aug `19

1 year

Pevaar Software Factory

The objective of this project was to create an internal tool for Pevaar's human resources management, which would allow employees to request vacations, authorizations and documents such as payroll vouchers. The platform also allowed to manage the benefits offered by the company and the existing positions. I worked with another person on this project.

Responsibilities & achievements

• Objective: Create an internal tool for Pevaar's human resources management. • Features included allowing employees to request vacations, authorizations, and documents (e.g., payroll vouchers). • Enabled management of company benefits and existing positions. • Collaborated with one other person on the project.

SQL Server
Angular 2x
.NET Core
icon
Junior Fullstack Developer

Application for the sale of fire alarms

Aug `18 - Aug `19

1 year

Pevaar Software Factory

I worked on the frontend and backend development of a web application that was used to manage the sale of fire alarms. I also made contributions in the design of the N-Layer architecture for the project. The team consisted of 4 people in total, 2 senior and 2 junior developers.

Responsibilities & achievements

• Worked on both frontend and backend development of a web application for managing fire alarm sales. • Contributed to the design of the N-Layer architecture for the project. • Part of a 4-person team, comprising 2 senior developers and 2 junior developers.

JavaScript
SQL Server
Razor Template Engine
MVC
.NET Framework
icon
Iron Hacks Ambassador Student

Purdue University

Jan `18 - Jul `18

6 months

Purdue University

In this position I had the opportunity to be a tutor for the teams participating in the Iron Hacks programming competition in an alliance between Purdue University and the National University of Colombia. This position had a salary remuneration in US dollars.

Responsibilities & achievements

• Served as a student ambassador for Iron Hacks at Purdue University due to high performance in Software Engineering. • Acted as a tutor for teams participating in the Iron Hacks programming competition, in partnership between Purdue University and the National University of Colombia.

CSS
JavaScript
Google Maps API
HTML

Education

Higher education in Computer Science

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Juan Sebastián is available