Balint Erdi
Software Developer
Location
Budapest, Hungary
Toptal Member Since
August 26, 2013
Balint lives on the cutting edge of technology, and has been practicing TDD since before it became popular. He was a classic PHP developer, and has since moved on to Java, Python, and Ruby. Currently, he is in love with Ember.js. He is fascinated by functional programming and also enjoys Clojure.
Balint is available for hire
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FullStack Consulting
Ruby on Rails (RoR), Ember.js
Freelance
Ember.js, Ruby on Rails (RoR)
Secret Sauce Partners, Inc.
Ruby on Rails (RoR)
Experience
JavaScript - 6 yearsRuby on Rails (RoR) - 6 yearsRuby - 6 yearsVim Text Editor - 3 yearsDevise - 3 yearsCoffeeScript - 2 yearsEmber.js - 1 yearLocation
Availability
Part-time
Preferred Environment
ITerm, Vim Text Editor
The most amazing...
...software contribution I've made lately is adding a version of a link-to helper in Ember.js.
Work Experience
2014 - PRESENT
Owner
FullStack Consulting
- Build an ambitious web app with Ember.js that I can't say anything about yet :).
Technologies: Ruby on Rails (RoR), Ember.js
2013 - 2014
Rails & Ember.js Developer
Freelance
- Helped develop a couple of Ember.js apps for insurance companies.
- Held an Ember.js "Up & Running" workshop at Eurucamp, Berlin for ~25 people.
- Held a 1-day, intensive Ember.js training session for 3 developers.
- Created a 7-piece screencast series called "Build an Ember.js app".
- Started an email list and expanded it from 0 to 400 subscribers in 5 months. Created and sent out content every Wednesday.
Technologies: Ember.js, Ruby on Rails (RoR)
2010 - 2013
Web Developer
Secret Sauce Partners, Inc.
- Created Fit Predictor, an app to find a shopper's best fit in seconds using data mining techniques on data that retailers already have, without the need for physical measurements. Launched in 8 global markets including the US. Proved the technology using A/B testing to increase conversion and reduce returns. Implemented Fit Predictor to be omni-channel, supporting 1400+ brands and over 1 million shoppers.
Technologies: Ruby on Rails (RoR)
2008 - 2010
Rails Developer
Freelance
- Created a site built on fetching and processing financial data on the back-end as a periodic job and displaying it to the user on a nice UI (http://quaestorial.com/).
- Created a small addendum handling ticket management (http://www.stagehq.com/).
Technologies: JavaScript, Ruby on Rails (RoR), Ruby
2004 - 2008
Web Developer
Blogads.com
- Worked on several projects, including http://www.blogads.com, the US market-leading blog advertising software. Developed new features and handled day-to-day maintenance.
- Tutored a Python course for fellow developers.
- Implemented an algorithm to find the earliest time slot for a specific ad on a specific blog.
Technologies: Python
2004 - 2004
Lotus Notes Developer
Hungarian State Treasury
- Built a Lotus Notes application from scratch for a government program supporting NGOs.
Technologies: Lotus Notes
2003 - 2003
Java Desktop Application Developer
Hotel d'Entitats Tarragona
- Built a Java app for a political campaign capable of being run from a CD.
Technologies: Java
2001 - 2002
Web Developer
Allied-Visions GmbH
- Developed and maintained Logitech's e-shop and several other online shops as part of a small team.
Technologies: Lotus Notes, Java
1999 - 2000
C++ Developer
Ericsson
- Started at Ericsson as an intern and was promoted to a Part Time Developer position.
- Developed protocol simulators.
Technologies: C++
Experience
BlogAds (blogads.com) backend
http://web.blogads.com/I was one of the main developers working on the back-end of Blogads, a very savvy US blog advertising platform. Starting as a (very) junior Python developer, I became experienced enough to hold training sessions for fellow developers after 2.5 years.
Web developer for Fit Predictor (fitpredictor.com)
http://fit-predictor.com/As one of the key employees of a Silicon Valley startup, I was one of the four developers who got the product off the ground. Technologies used include Ruby (Rails), Node.js, CoffeeScript, and a bit of Backbone.
Web shop development for Logitech
As part of a small company, we built the eCommerce site for Logitech and a couple of related, smaller sites.
Freelancer Rails developer
http://balinterdi.comWorked with several clients to make their business ideas into reality (http://www.stagehq.com/, http://quaestorial.com/, etc.).
Ember.js developer, trainer & consultant
http://balinterdi.comIntrigued by front-end development, I fell in love with Ember.js and went from zero knowledge to being an expert of the framework in 6 months. I held several workshops and gave presentations at various conferences.
Curator of an Ember.js newsletter
I loved Ember so much that I launched a mailing list. I created a screencast series that goes through the building of an Ember application step-by-step. I now send an article or best practice tip each week to my mailing list, which grew from 0 to 400 members in the span of 5 months.
Publication
The 8 Most Common Mistakes That Ember.js Developers Make
https://www.toptal.com/emberjs/the-8-most-common-ember-js-developer-mistakes
Publication
A Guide to Building Your First Ember.js App
https://www.toptal.com/javascript/a-step-by-step-guide-to-building-your-first-ember-js-app
Publication
JavaScript Promises: A Tutorial With Examples
https://www.toptal.com/javascript/javascript-promises
Skills
Languages
Ruby, JavaScript, CoffeeScript, C++, Java, Python, Clojure
Frameworks
Ruby on Rails (RoR), Ember.js
Tools
Lotus Notes, Vim Text Editor, ITerm
Other
Writing & Editing
Libraries/APIs
Devise, GitHub API, Twitter API
Paradigms
Object-oriented Programming (OOP), Agile Software Development, Functional Programming
Storage
PostgreSQL, SQLite, Redis, ZODB, MySQL, MongoDB
Platforms
MacOS
Education
1996 - 2001
Master's Degree in Computer Science
Budapest University of Technology - Budapest, Hungary