Luiz is available for hire
Hire LuizLuiz Ferreira
Verified Expert in Engineering
Software Developer
Location
Belo Horizonte - State of Minas Gerais, Brazil
Toptal Member Since
October 25, 2014
Luiz是一名拥有超过5年学术开发经验和12年专业经验的开发人员. In that time, 他有机会使用JavaScript (Angular和React), Ruby on Rails, Node.js, HTML, CSS, Python, and PHP.
Portfolio
Bioverge
React, Ruby on Rails 5, PostgreSQL，敏捷软件开发，Sass，图表...
Stagetime Inc.
Ruby on Rails (RoR)， HTML, CSS, JavaScript，图表，数据库，Chrome...
Stephanie Adam
JavaScript, CSS, HTML
Experience
Availability
Part-time
Preferred Environment
Git, Vim Text Editor, Terminal, MacOS
The most amazing...
...我做的一个项目是一个Facebook应用程序，它可以让你连接到商场图腾里的电脑，和路过的人视频聊天.
Work Experience
Senior Full-stack Developer
2017 - PRESENT
Bioverge
- Developed a flow for users to invest in startups. 集成Dwolla支付，DocuSign和Airtable可视化和集成与其他数据. 这使得该公司每月可以节省大约60个小时来处理投资.
- Created the investment flow. We have had upwards of $1.5 million invested so far.
- 实现许多不同的功能，并在需要时创建小块设计.
- Tracked and fixed bugs users had when trying to invest.
- 使用React为功能创建前端组件，并在系统的其他部分中重用. We also used Storybook.
- 完成后端与Airtable的集成，并从数据库中迁移特定数据.
Technologies: React, Ruby on Rails 5, PostgreSQL，敏捷软件开发，Sass，图表, TypeScript, Amazon Web Services (AWS), Databases, Chrome, Airtable, System Administration
Full-stack Developer
2022 - 2022
Stagetime Inc.
- Built a dashboard where users could visualize their connections, track music-sharing progress through dynamic graphs, and amplify their music to other users. 还开发了其他前端功能，如个人资料页面、实时聊天等.
- Tracked and fixed bugs in the back end using Ruby on Rails.
- Developed features using Ruby on Rails, including real-time group chat, profile page with their connections, and recommendations of people they might know.
Technologies: Ruby on Rails (RoR)， HTML, CSS, JavaScript，图表，数据库，Chrome, System Administration
JavaScript Developer
2022 - 2022
Stephanie Adam
- 根据客户的要求改进部分设计.
- 修复了一个阻止Lightbox插件正确渲染和从WordPress Portfolio加载一些内容以显示在图库上的错误.
- 使网站响应，使内容更容易理解，并在不同尺寸的设备上看起来更好.
Technologies: JavaScript, CSS, HTML
Front-end Engineer
2017 - 2018
vpgame
- 设计一个交互式仪表盘，显示玩家的回合成就, including detailed data on the opposing team, performance comparison, and visually appealing graphs for tracking progress.
- 跟踪并修复bug，确保产品能够安全发布.
- 精心制作迷人的互动，以增强网站的视觉吸引力, 具有动态游戏角色动画和实时时间轴滑块，无缝更新仪表板上所有显示的数据.
- Created React components to be reused all over the website. We also used Storybook here.
Technologies: HTML5, CSS3, Node.js, jQuery，并发编程，MySQL，可伸缩性，PHP，图表，数据库，Chrome, Firebase
Front-end Engineer
2016 - 2016
Heal
- 创建了应用程序的前端，用户可以在其中找到定位和找到医生.
- Tracked and fixed bugs as we were launching the platform.
- Released the app to the public in parts and managed progress.
技术:HTML5, JavaScript, CSS3, jQuery, AngularJS, React，数据库
Web Developer
2012 - 2014
RC Comunicação
- Developed websites with a very interactive front-end.
- Developed a back-end for some websites and systems.
- 创建了一个平台，人们可以和商场里的人视频聊天.
- 获得RC通信
- 做了一个Facebook应用来衡量两个人的兼容性.
Technologies: CSS, HTML, JavaScript, Python, Agile Software Development, Shopify, Shopify API, Chrome, System Administration
Web Developer
2012 - 2012
Anpla Comunicação
- 为我们的客户开发公司网站，婚礼仪式和电子商务商店.
- 致力于维护客户网站，并在需要时进行改进.
- 设计网站的一些部分，更新过时的设计.
技术:CakePHP, HTML, JavaScript, CSS，系统管理
Lead Software Developer
2010 - 2011
Abrasel
- 为28个分支机构中的每一个实施了一个版本的网站.
- Worked on maintaining the website for all the 28 branches.
- 为每个分支机构实现一个系统，以请求IT部门的功能和内部通信.
技术:JavaScript, PHP, HTML, CSS，瀑布方法，系统管理
Experience
Waypoint
Migration from a Parse.com back-end to a private server using parse-server (open source). Worked on maintenance of some features as well.
Consumer Affairs
参与这个向导的开发，以找到最符合客户需求的公司. The project was done using AngularJS.
Mundo de Possibilidades Website
Informative website with a quiz on the second section of the site. There are many nice interactions on the quiz.
One Fit Academia Website
Website made for a fitness center.
Transcript Associates
http://tscripts.com/我更新了他们的后端设计，并致力于改善他们的用户体验. I made the system as easy to use as possible for the end user. Besides that, 我在他们的代码上工作，用户可以将文字记录输入上传到平台的视频.
Expocachaça 2012
http://expocachaca.com.br一个在巴西举办的大型活动的网站——在活动为期四天的时间内, it receives 60,000+ visitors. The website was developed using Ruby on Rails.
Social Media for Musicians
http://www.stagetime.comI was involved in creating the front end for Stagetime, 专为古典音乐家设计的社交媒体平台. One of the key elements I worked on was the dashboard. 我设计了图表来展示他们在结识新朋友方面的进展, getting their songs viewed by others, and more. 此外，我还做过其他页面，比如用户个人资料页面、实时聊天、推荐feed等.
Front-end Maintenance and Optimization for an eCommerce
http://drsquatch.com/I played a significant role in maintaining the front-end of Dr. 该公司的电子商务网站销售肥皂、洗发水和其他天然产品. 我的主要职责是确保网站运行顺畅，提供无缝的用户体验.
Skillset
Languages
CSS3, PHP, HTML, CSS, JavaScript, HTML5, TypeScript, Ruby, Sass, Python, SQL
Libraries/APIs
jQuery, React, Node.js, REST APIs, Google Maps, Facebook API, Shopify API
Tools
Adobe Photoshop, Adobe Illustrator, Shell, Mercurial, Vim Text Editor, Terminal, GitHub, Create React App, Git, Microsoft PowerPoint
Paradigms
Responsive Web Design (RWD), Agile, Agile Software Development, RESTful Development, Scrum, Concurrent Programming
Platforms
MacOS, Linux, Heroku, Web，亚马逊网络服务(AWS)， Shopify, iOS, Firebase
Storage
Databases, JSON, MySQL, PostgreSQL
Other
APIs, Iframes, Dashboards, User Interface (UI), Web Dashboards, Web Development, Front-end, Charts, Full-stack, Storybook, User Experience (UX), Fintech, Airtable, eCommerce, Scalability, Waterfall Methodology, System Administration
Frameworks
CakePHP, Ruby on Rails (RoR), Bootstrap, Chrome, CodeIgniter, Django, Ruby on Rails 5, AngularJS, Jinja
Industry Expertise
Web Design
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