Summary

Expertise

Project Highlights

Agency

JA

English:

Upper Intermediate

Jefferson A.

vetted by Youteam

Vetted by YouTeam

Colombia

UTC -05:00

America/Bogota

English:

Upper Intermediate

Software developer with over 12+ years of experience.

Software developer with over 12+ years of experience, 10+ of them remotely. Building confidence between owners and investors and the development team by delivering before deadlines, increasing satisfaction with the project by a 20%. Seeking to use my expertise and passions to be a strong asset for your company.

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Expertise

Years of commercial development experience

12 years of experience

Core technologies

Python 8 years
PHP 8 years
JavaScript 8 years
SQL 8 years
TypeScript 5 years
React.js 5 years

Other technologies

CodeIgniter
Django
Flask
Kubernetes
MySQL
PostgreSQL
Ruby
Ruby on Rails
TypeScript
Git
Go
Golang
Unit Testing
Docker
MariaDB

Project Highlights

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Software Engineer

Cbinsights main site

Mar `22 - Present

2 years

CB INSIGHTS

Business analytics platform and global database that provides market intelligence on private companies and investor activities.

Responsibilities & achievements

• Continuously contribute to sprint planning, standups, retros and code review. • Implementing new features for backend and frontend using microservices. • Always delivered quality code, maintainable, tested and well documented on time. • Working collaboratively with other team members to remediate issues on frontend and backend. • Hosting internal events and participated in demos for stakeholders Techs: Typescript, Javascript, ReactJS, Golang (Go), Python, MySQL, Docker, Unittesting, Git

JavaScript
MySQL
Python
React.js
TypeScript
Git
Go
Golang
Unit Testing
Docker
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Fullstack Developer

Powerflex

Oct `21 - Mar `22

5 months

Sophilabs

A software design and development agency that helps companies build products by delivering top quality software through agile and perfectionist teams.

Responsibilities & achievements

• Working collaboratively with other team members to remediate issues on frontend and backend. • Expanding the features on the frontend and backend using microservices, while delivering quality, maintainable, and documented code. • Contributing to sprint planning, code review and pair programming. • Using scrum methodology to increase communication with teammates and stakeholders. • Mentoring junior developers. Techs: Typescript, Javascript, ReactJS, Python, Flask, PosgreSQL, Docker, Unittesting, Git

Flask
JavaScript
PostgreSQL
Python
React.js
TypeScript
Git
Unit Testing
Docker
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Software Engineer

Gestor Agricola

Jul `20 - May `21

10 months

T-AGRO

Software for managing crops in their whole life, since buying the seeds until harvesting.

Responsibilities & achievements

Responsibilities: • Leading the development team (frontend and API) to create from scratch the website GestorAgricola. • Delivery tested, commented code always 100% on-time. • Solving 100% doubts that owners and investors may have. • Using Scrum methodology to increase communication with the owners and investors, improving performance to 5% Techs: Javascript, ReactJS, Python, Django, PosgreSQL, Docker, Kubernetes, Unittesting, Git

Django
JavaScript
Kubernetes
PostgreSQL
Python
React.js
Git
Unit Testing
Docker
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Python Engineer

Cyobs

Mar `19 - Mar `20

1 year

Dreamlab

Unlike other scanning solutions, CyObs delivers a real-time attack surface picture, enabling fast decision-making, no matter the size of your cyberspace.

Responsibilities & achievements

• Collaboratively work with experts in cyber-security and gather fundamental information in a short period of time. • Expanding Cyobs tool capabilities, updating it and increasing client satisfaction and exceeding their expectations. • Successfully keep track of code (Gitlab) and document it (Jira), making the team performances increase by 25%. • Contributing to a remote team, located on 2 different continents. Techs: Python, Unittesting, Git

Python
Git
Unit Testing
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Security Resercher

IME

Jul `18 - Jul `18

IME

Platform for online education with over 22000 students.

Responsibilities & achievements

• Finding problems with password storing, affecting over 20,000 people, besides solving those problems offering a secure solution for those people Techs: PHP, MySQL, Git

MySQL
PHP
Git
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Software Developer

LCC Model

Feb `18 - Apr `18

2 months

ADWDEVELOPMENTS

Web application to manage building construction costs

Responsibilities & achievements

• Delivery tested, commented code always 100% on-time. • Helping the team improves its performance by 75% and leads to client satisfaction. • Suggesting 5 changes to database and implementing then increasing quality of database. • Contributing to a remote team of 5 people, located on 4 different continents. Techs: Javascript, PHP, Codeigner, MySQL, Git

CodeIgniter
JavaScript
MySQL
PHP
Git
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Fullstack developer

Several project

Oct `13 - Feb `18

4 years

CYBERADVANCE

Software development agency

Responsibilities & achievements

• Collect information from the different experts to expand the potential of the different websites. • Improving the website’s speed between 25% and 40%. • Redesigning all the frontend from 1 site to make it responsive web design and user friendly, increasing satisfaction and client retention in 20%. • Creating scripts to help co-workers format and helping with the management of usually 200.000+ records. • Planning and implementing measures to expand databases for 3 applications in production without affecting the clients and keeping the integrity of data. • Contributing to a remote team located in 3 different continents. Techs: Javascript, PHP, Python, Ruby, Rails, MySQL, PosgreSQL, Redis, Git, Unittesting, MariaDB, Node.JS

JavaScript
MySQL
Node.js
PHP
PostgreSQL
Python
Ruby on Rails
Redis
Unit Testing
MariaDB
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Developer

LCC Model

Oct `12 - Apr `17

5 years

ADWDEVELOPMENTS

Web application to manage building construction costs

Responsibilities & achievements

• Expanding the features of LCCModel by 40%. • Solving and documenting problems encountered mainly on the front-end side. • Improving and deploying to production 2 sites. • Contributing to a remote team located on 2 different continents. Techs: Javascript, PHP, Codeigner, MySQL, Git

CodeIgniter
JavaScript
MySQL
PHP
Git

Agency

Web and Mobile Development agency #1967

50-100

GMT-3

Montevideo/Uruguay

Core Expertise

AngularJS
AWS
Azure
Cloud Engineer
Data Scientists
ETL
Java
JavaScript
Kotlin
Kubernetes
Linux
MongoDB
MySQL
.NET
Node.js
Oracle
PHP
Python
React.js
React Native
Salesforce
SAP
SharePoint
SQL Server
TypeScript
Visual Studio
Windows
Xamarin
Android
Jenkins
Scrum
Swift
Angular 2x
Android Testing API
Docker
Linux Systems Administration
MariaDB
JetBrains
Kanban
Redux
iOS SDK
Scrum Master
Visual Studio Code
Angular UI Bootstrap
Angular Material
Flutter
Angular CLI
Google Cloud Platform
.NET Core
Xamarin.Forms
Xamarin Native
Mongo Compass
Data Analyst
SAP HANA
SwiftUI
SAP BTP
SAP S4/HANA

Industries

Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Construction & Real estate, Healthcare & Medicine, Automotive, Branding, design, web development, ERP

Want to hire this engineer?

Check if Jefferson is available