Daniel J.

Daniel J.

Brazil
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About Me

I am an experienced software engineer with over seven years experience working with mobile and web technologies. I am proficient in code quality, scalability, best coding practices and distributed services. With extensive web experience, I've worked on high-availability applications with a big dataset/applications and have developed a diverse range of innovative applications. I have sound knowledge of Agile methodologies and am an avid learner of new and emerging technologies. As a client-focused developer, I have been recognized for consistently delivering innovative solutions that exceed all goals and metrics.

Frontend

JavaScript CSS React.js

Database

SQL MongoDB

DevOps

AWS

QA & Testing

Test-driven development (TDD)

Other

Ruby Java jQuery Android Stripe C# Web Crawler .NET

Work history

UpStack
UpStack
Software Developer
2017 - Present (8 years)
Remote

  • Creating and developing innovative software solutions for clients across a broad range of industries.

Ruby on RailsJavaScriptAWSRubyAndroidReact.jsCSSC#jQueryTest-driven development (TDD)Web CrawlerMongoDBSQLStripe.NET
Holistic Hub
Software Engineer
2016 - 2017 (1 year)

  • Engineered an innovative booking application on top of Ruby on Rails with a responsive frontend for the client.

  • Utilized Stripe and new development approaches for the processing of payments and transfers on the application.

  • Efficiently worked on the development of a mini-CMS to manage some parts of the app, deployed SMS notifications with Twilio and hosted the app on Heroku.

Ruby on RailsRubyPostgreSQLTwitter BootstrapCSSHTMLJavaScriptStripeHeroku
Consagous Technologies
Consagous Technologies
Senior Software Engineer
2016 - 2017 (1 year)

  • Successfully led, provided technical leadership and strategic direction for the iteration of different software solutions within the company.

  • Regularly hired, coached, and mentored the top-notch developers on the engineering team.

  • Efficiently conducted code reviews, utilized and maintained software best practices, and contributed to the company's codebase for the delivery of high-value solutions for clients.

Ruby on RailsMongoDBPostgreSQLReact.jsRedisSidekiqCapistranoReact Native
Home Reserve
Home Reserve
Ruby on Rails Developer
2016 - 2016

  • Effectively worked on the optimization of the order and checkout process on the client's e-commerce application.

  • Engineered responsive forms for different screen sizes on the application.

  • Provided guidance and technical expertise for the optimization of forms for mobile devices.

Ruby on RailsFoundationPostgreSQLHTMLCSS
United Hospital Fund
United Hospital Fund
Ruby on Rails Developer
2016 - 2016

  • Developed an intuitive Ruby on Rails application which administered questionnaires to patients, tracked common diseases and improved the user experience on the application.

  • Optimized the report generation time on the application from minutes to seconds.

  • Successfully adapted the old database to the new application and created a dynamic form with fields stored on the database.

Ruby on RailsTwitter BootstrapCoffeeScriptPostgreSQLjQueryCSSHTML
Seekr
Seekr
Developer
2013 - 2016 (3 years)
Brazil

  • Offered guidance and technical expertise for the development of an application that allows users to search for mentions on different social media networks.

  • Efficiently led and oversaw the maintenance and optimization of the app's API with Ruby on Rails, PostgreSQL and Redis.

  • Successfully maintained the services and servers of the app on AWS and optimized its deployment process.

Ruby on RailsRedisPostgreSQLSidekiqAWSHerokuFacebook APITwitter APIInstagram API
Valicode
Valicode
Developer
2009 - 2012 (3 years)
Brazil

  • Designed and developed an Android app to track a pickup and delivery service efficiently integrated with a web application for the client.

  • Offered technical expertise and leadership for the maintenance of the tracking service's web application and API.

  • Engineered an integration service for automotive inspections between the customer database and the mobile integration database.

JavaAndroidPostgreSQLSQLiteC#

Showcase

Developer - Seekr
Developer - Seekr

  • Developed Seekr Monitor, Seekr Sac, and Seekr Chat applications for a client.

  • Created an intuitive system for social media interaction monitoring and management.

  • The system includes a customer support tool for social media interactions and integrates with the monitoring system.

Developer - AndOrm
Developer - AndOrm

  • AndOrm is an Android object-relational mapping (ORM) framework.

  • It encapsulates the SQLite API and provides a higher-level, object-oriented interface.

  • AndOrm handles native Android persistence resources for improved developer transparency.

Developer - Interaptor
Developer - Interaptor

  • The Interactor is a single-purpose object tool for encapsulating business logic.

  • It simplifies the development of Ruby interactor classes.

  • The gem is designed for easier Ruby interactor development projects.

Education

Education
Bachelor's degree in Computer Science
Universidade Regional de Blumenau, Brazil
2009 - 2014 (5 years)