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Andreas Geffen Lundahl, JavaScript Developer in Växjö, Sweden
Andreas Geffen Lundahl

JavaScript Developer in Växjö, Sweden

Member since July 10, 2015
Andreas is a senior developer with a passion for software quality and functional programming. He has traditionally worked a lot in eCommerce and finance, but he's always eager to enter new domains. In his consulting and contracting engagements, he strives for maintainable and changeable code that makes the client competitive and able to grow.
Andreas is now available for hire

Portfolio

Experience

  • JavaScript, 8 years
  • Ruby on Rails (RoR), 6 years
  • Ruby, 6 years
  • Clojure, 5 years
  • Node.js, 5 years
  • ClojureScript, 5 years
  • React, 3 years
Växjö, Sweden

Availability

Part-time

Preferred Environment

OS X, Linux, Emacs, Git

The most amazing...

...thing I've built is a trading application for executing different strategies on the Swedish stock market.

Employment

  • Developer

    2016 - PRESENT
    Articulate
    • Implemented Articulate's new order flow in their migration from a perpetual licensing model to a subscription-based model.
    • Integrated with external services, such as Salesforce, Auth0, SheerID, and Stripe.
    • Worked remotely on two completely distributed teams across a wide range of time zones.
    Technologies: Ruby on Rails, React, Redux
  • Developer

    2013 - 2016
    Fortnox
    • Modernized the front-end of Fotnox's web application, which is the largest accounting web application in Sweden, by refactoring and implementing modern technologies.
    • Built an administration application for accounting bureaus.
    Technologies: JavaScript, Java
  • Lead Developer

    2012 - 2013
    HL Design
    • Developed a health care and fitness application for corporations and health care institutions that provided advanced mechanisms for handling high levels of privacy.
    • Built a website CMS with WYSIWYG capabilities.
    Technologies: Ruby, Ruby on Rails, JavaScript
  • Developer

    2011 - 2012
    Standout
    • Programmed a system that included GPS tracking for drivers, work schedule administration, and advanced statistics to help freight forwarders.
    • Worked on a CMS for websites and web shops.
    Technologies: Ruby, Ruby on Rails, JavaScript

Experience

  • Encyclopaedia Urbana (Development)
    https://www.etsy.com/shop/encyclopaediaurbana

    Encyclopaedia Urbana is an Etsy shop that sells beautiful city article prints made on high-quality paper. The products and the customer service have received five-star reviews.

Skills

  • Languages

    ECMAScript (ES6), Less, CSS3, ES7, Sass, CoffeeScript, HTML, CSS, Clojure, JavaScript, Ruby, SQL, Elixir, PHP, GraphQL, Python, Java, Go
  • Frameworks

    ClojureScript, Ruby on Rails (RoR), Electron.js, Redux, Selenium, AngularJS, Relay
  • Libraries/APIs

    Node.js, Stripe, Underscore.js, Backbone.js, React, GitHub API, Auth0 API
  • Tools

    Git, RSpec, GitHub, Gulp.js, Subversion (SVN), Adobe Photoshop, Adobe Illustrator, Apache ZooKeeper, Etcd, GIS
  • Paradigms

    Test-driven Development (TDD), Functional Programming, Agile, Distributed Programming, Scrum
  • Platforms

    Docker, Linux, Amazon Web Services (AWS), Salesforce
  • Storage

    PostgreSQL, RethinkDB, MongoDB, Redis, PostGIS
  • Other

    Datomic, Web App Development, Consul, User Experience (UX)
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