Welcome!

I am Gustavo Ushijima

I'm a Full-Stack Developer a programmer a bug-fixer a freelancer

About Me

Professional full-stack developer having +18 years experience

I am a brazilian full-stack developer, passionate and fast-learner professional with over 18 years of experience in coding web sites, web applications and services using modern ASP.NET, ASP.MCV, HTML, CSS, Vue.js, React.js, and JavaScript.

During my career, I had the opportunity to be responsible for the developments of amazing projects and solutions focused on the delivery of new technologies, ERP integrations, franchising, banking operations, supply chain, process improvement, organizational re-structuring and solutions for retail.

Email: gustavo@ushijima.com.br

Phone: +55 (41) 99986-0717

Contact me
Download cv

My skills

Experience has taught me how to always enhance my knowledge to apply on my daily activities. Acquiring new skills is the best way for becoming a great professional

Problem Solving

85%

Proactive

95%

Team work

99%

C#

95%

.Net Core

75%

MVC .Net

85%

MS SQL

90%

React.js

75%

Vue.js

65%

Jquery

95%

Javascript

90%

Bootstrap

90%

CSS

85%

Html

95%

I'm on hackerhank.com too! see more

My Experience

Combinations of perfect skills and experiences can be helpful for a developer. Indeed, lota of experience is a good sign for solving any problems

Full-Stack Developer

Set 2019 to Current
Blockcerts, Victoria-BC, Canada

Responsible for creating a new distributed wallet application using Electron.js integrated with Ethers.js to manage user’s wallets, transactions and balance. Improved the internal messaging feature inside the current web platform to make the communication between team members easier and practical. Collaborated with back-end developers and web designers to improve usability and help the team with coding and troubleshooting.

Full-Stack Developer

Mar 2019 to Set 2019
SEGFY, Curitiba-PR, Brazil

Responsible for starting the new SAAS web platform project to manage insurance business and clients using Vue.js as front-end technology and .Net Core framework as API.
Responsible for maintenance and implementations of new features on the main system. Worked closely to web design and UI/UX team to implement new interfaces that aggregated more value to the clients.

Full-Stack Developer

Nov 2015 to Mar 2019
RACCO COSMÉTICOS, Curitiba-PR, Brazil

Responsible for refactor and upgrade the main client back office system and administrative area writing maintainable, responsive, and cross-browser code. Responsible for website and applications, new developments and maintenance of all ERP’s satellite systems (payment gateways, document management system, B2B and B2C web applications).

Co-Founder

Jan 2012 to 2024
INNO TECH, Curitiba-PR, Brazil

Created tools, UI plugins and code patterns to speed up web developments. Development and maintenance of an after-sales system for machinery dealers. Development of a complete construction management system, based on WPF framework.

Full-Stack Developer

Mar 2013 to Nov 2015
WFR SISTEMAS, Curitiba-PR, Brazil

Created tools, UI plugins and code patterns to speed up web developments. Development and maintenance of an after-sales system for machinery dealers. Development of a complete construction management system, based on WPF framework.

Full-Stack Developer

Aug 2009 to Dev 2011
RACCO COSMÉTICOS, Curitiba-PR, Brazil

Responsible to start the development migration process from desktop applications to an online solution, creating a new sales channel using ASP.MVC. Development of a document management system (DMS) to manage and store documents, reduce paper printing and speed up the business validation process. Development and maintenance of desktop softwares for international B2B channels.

Asp.Net Developer

Aug 2009 to Aug 2011
E-Sat, Curitiba-PR, Brazil

Worked as an outsourcer on Racco Cosméticos. Development of solutions using Asp.Net. Maintenance on VB.Net desktop applications.

Asp.Net Developer

Oct 2007 to Aug 2008
MEDALHÃO PERSA, Curitiba-PR, Brazil

Support and maintenance on C# Asp.Net e-commerce platform.

18

Years of experience

917

Cup of coffee/year

365

Days with happy users

My Portfolio

I have completed 50+ website and 20+ web applications projects. All of my portfolio are professional. It a centainly true that, a good previous work portfolio always show skills

  • All
  • Websites
  • Projects

Racco Cosméticos

Corporate website

Administrative area

Medlux

Corporate website

CityComputer

School website

Administrative area

iNNOCheff

POS web application

iNNOChurch

Church web application

Abrigo Deus Cristo e Caridade

Charity website

Administrative area

WFRSistemas

Corporate website

After-sales web application

Solar energy monitor dashboard

iNNO

Corporate website

Racco Cosméticos

MLM web application

Take a look on my codecanyon.net profile! see more

https://codecanyon.net/user/lgushijima

Gustavo is an excellent professional with great skills in web developer and has very programming logic knowledge. has a great capacity to develop works on team. I consider him an important person in my professional career.

Willipan Patrick dos Santos Software Architect, Curitiba-PR, Brazil

Professional with excellent technical knowledge, creative and innovative always seeking technological solutions to provide better efficiency agility in the products developed.

Rafael Amarantes System Analyst, Curitiba-PR, Brazil

Excellent professional, very agile and competent. He enjoys learning and strives to master new technologies that emerge. Strongly recommend their work.

Weverton Raimundo Co-Founder WFR Sistemas, Curitiba-PR, Brazil

Get in touch

I am available 5 days in a week except Saturday & Sunday. You can send an email to me. I will try to reply as soon as I can. Please try to send details

Address

Rua Gabriel F. de Miranda 689
Curitiba-PR, Brazil

Phone

+55 (41) 99986-0717

Email

gustavo@ushijima.com.br