Vasile Adrian Rosian, Software Developer in Alba Iulia, Alba County, Romania
Vasile Adrian Rosian

Software Developer in Alba Iulia, Alba County, Romania

Member since August 25, 2015
Adrian is a web developer who has been working as a freelancer since 2008 with a focus on eCommerce and payment methods. He is an expert in developing efficient digital solutions for businesses with a focus on software correctness and maintainability.
Vasile is now available for hire



  • Python, 5 years
  • Django, 3 years
  • Flask, 3 years
  • Clojure, 3 years
  • iOS, 2 years
  • Haskell, 2 years
  • Swift, 2 years


Alba Iulia, Alba County, Romania



Preferred Environment

Fedora, Vim, Git, Docker

The most amazing...

...insightful book I've read was SICP, as it opened my mind to functional programming.


  • Project Manager

    2017 - PRESENT
    WhiteCity Code SRL
    • Created a receipt reading application in Haskell and Swift, with the computer vision prototype in Python with OpenCV.
    • Supported a Clojure chat application.
    • Experimented with Raspberry Pi and PiNoir.
    • Developed a travel feed aggregation app in Clojure.
    • Managed a Clojure team.
    Technologies: Clojure, Haskell, Elm, ClojureScript, Computer Vision
  • Front End Engineer [1]

    2017 - 2018
    TalkIQ (via Toptal)
    • Worked on multiple list filters on both the front-end and back-end side.
    • Integrated with Salesforce data.
    • Utilized the Audio JS API from ClojureScript.
    • Worked on various front-end visual components on ClojureScript.
    • Made use of ClojureScript async channel communication to pass along the state bottom-up.
    Technologies: Clojure, ClojureScript, Elasticsearch
  • Owner and Freelance Developer

    2009 - 2017
    PFA Rosian Vasile Adrian "Web Solutions"
    • Developed eCommerce plugins for clients such as A1m and Euro Payment group, major payment processors in Europe.
    • Contributed to the development of Affiliate X, a unique niche market tool for affiliate sales. The task requires working with parsing high volume data feeds and optimizing database queries for high availability.
    • Developed data acquisition software from a Zigbee-based mesh network as part of a research paper.
    • Managed and developed a merchant acquisition platform,
    • Developed and the connected chat applications. Clojure and Clojurescript with React wrapped in cljs-om. Clients were in Swift and Java for mobile as well as Electron and NodeWebkit for desktop. Started a larger scale app in Erlang with Cowboy,.
    • Developed a system for private jet inventory and booking.
    • Developed a system for radiology investigation results.
    • Developed an internal invoicing system.
    • Developed a Java application for notification dispatch for the Romanian Government as part of a volunteer team.
    • Developed a file based blog in Go with Martini.
    • Developed Joomla GNU/GPL components such as JjAntispam or JingleSubscriptions.
    • Developed extensions for OpenCart for a multilingual food supplement website.
    • Graduated Andrew Ng's course on machine learning at Coursera.
    • Doubled the business income of the PFA each year.
    Technologies: PHP, HTML, CSS, JavaScript, Python, Clojure, Erlang, Swift, Symfony2, Django, Pylons, Compojure, ClojureScript, Reagent, Chicago Boss, React, Redux, AT, serial RX/TX, Machine Learning, Octave
  • Web Developer

    2008 - 2008
    Emotion Design
    • Developed small business websites in Sibiu.
    • Trained other developers in PHP/HTML/CSS/JS.
    • Worked with CodeIgniter on various web applications.
    • Developed eCommerce workflows with Joomla/Virtuemart.
    • Managed a team of two junior developers.
    Technologies: PHP, HTML, CSS, JavaScript, Joomla, WordPress


  • Checkout Portal - Symfony2 (Development)

    Merchant acquisition portal for online payment solutions integrating over five systems.

  • ITST - Private Aviation Procurement Software (Development)

    Symfony 2 application for private jet availability and reservation, with cost estimations and multi-leg flights. Initial development prototypes in CakePHP and Yii.

  • Totto - Distributed Grocery List Clojure (Development)

    Hobby project with Clojure http-kit web sockets and local IndexedDB storage.

  • Sena Probee Interface in Python (Development)

    Python multiprocessing app that exposes a Sena Probee sensor reading from a mesh network over a web interface via Server Sent Events.

  • SplitCrypt - Encrypt by Splitting, Clojure (Development)

    Implementation of one of my professor's encryption algorithms for file encryption based on equivalent keys and a "zipper" type spliting of a file using the key.

  • EqvKey - Compute the Equivalent Key (Development)

    A method to generate stronger encryption keys by flipping the bits of a given key after a threshold number.

  • Golang MD File-based Site CMS (Development)

    The engine transforms a folder structure with Markdown files into a full site using Go and Martini web framework - very good site speed.

  • ChatPiper - Clojure (Development)

    A support chat application deployable on a customer server written in Clojure

  • WhiteRCPT - Haskell with Servant (Development)

    Receipt reading and aggregation app with a Haskell back-end and a Swift mobile app.

  • Notifications Dispatch in Java (Development)

    Notifications dispatch for a Romanian Government initiative, written in Java. The program was volunteer-based.

  • JJAntispam and JingleSubscriptions (Other amazing things)

    Developed Joomla extensions for spam registration checks against two separate RBLs and subscriptions management for downloadable products

  • Solvency II Wire (Toptal) (Development)

    Worked on the ETL process for the platform. Python with Django and extensions.


  • Languages

    Python, Clojure, Elixir, Swift, Haskell
  • Frameworks

    Phoenix, Angular, Pylons, Django, Flask
  • Platforms

    Joomla, iOS
  • Storage

  • Libraries/APIs

    iOS Extensions, iOS API, React
  • Other

    iOS Cryptographic Services, iOS Camera, Computer Vision


  • Master's degree in Computer Science
    2013 - 2015
    "1 Decembrie 1918" University - 3-5, Revolutiei, Sibiu, Romania
  • Bachelor's degree in Computer Science
    2009 - 2012
    "1 Decembrie 1918" University - 5, Gabriel Bethlen, Alba Iulia
  • Bachelor's degree in Military Science and Information and Organization Management
    2004 - 2008
    Land Forces Academy "Nicolae Balcescu" - 3-5, Revolutiei, Sibiu, Romania
  • CSS2
    JULY 2008 - PRESENT
    Expert Rating Global Certifications

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