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Nemanja Stojanovic, Software Developer in Belgrade, Serbia
Nemanja Stojanovic

Software Developer in Belgrade, Serbia

Member since July 1, 2014
Nemanja is a software developer with an inclination towards computer science and innovation. He has years of experience working with different programming languages and frameworks, giving him the ability to quickly adapt to any working environment or task.
Nemanja is now available for hire
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Portfolio

Experience

Location

Belgrade, Serbia

Availability

Part-time

Preferred Environment

Linux, Git, VS Code

The most amazing...

...thing I've written is software that can automatically find correctness and crash bugs in SMT solvers. Imagine quick-check that can generate entire programs.

Employment

  • Full-stack Developer

    2017 - 2017
    CompanyMood GmbH (through Toptal)
    • Implemented parts of a complex questionnaire system.
    • Worked on pulling valid statistical data from partial surveys.
    Technologies: Trailblazer, Ruby on Rails (RoR), Ruby

  • Full-stack Developer

    2016 - 2017
    Tenex Developers (via Toptal)
    • Implemented multi-tenant support for a medical survey system.
    • Implemented an extensible questionnaire generation system, based on a declarative survey specification.
    • Created an automatic report generation tool which can generate human-readable reports based on survey results.
    • Implemented a modular, app-specific role/permission based authorization system.
    • Added questionnaire versioning and data migrations between survey versions.
    • Worked on a JavaScript custom audio player/recorder.
    • Integrated with Slybroadcast for sending messages to voicemail.
    Technologies: Ruby on Rails (RoR), Ruby

  • Full-stack Seveloper

    2016 - 2016
    Sittercity (via Toptal)
    • Worked on an online sitters platform with customer feedback, flexible scheduling, and location-based matching.
    • Integrated Google Maps with tools to draw region and market polygons.
    • Worked on a Go-based geo-matching microservice.
    • Created an API adapter for a phone number management platform.
    Technologies: Angular, GoLand, Ruby on Rails (RoR), Ruby

  • Full-stack Developer

    2015 - 2016
    PersistIQ (via Toptal)
    • Handled back-end business logic and testing.
    • Integrated with Nylas/Inbox.
    • Implemented automatic caching and invalidation for frequent and slow queries based on CRUD actions on models, rather than time-based expiration.
    Technologies: Ruby on Rails (RoR), Ruby

  • Full-stack Developer

    2015 - 2015
    Ucontrol (via Toptal)
    • Created a Ruby-based server that manages events in a number of Bitcoin wallets.
    • Implemented an Arduino-Yun-based device that opens and closes valves in response to events sent from the server.
    Technologies: C++, Arduino, Ruby

  • Full-stack Developer

    2014 - 2015
    FreeCode International
    • Implemented a Ruby-based transaction server which synchronizes users, products, orders, and invoices of an eCommerce solution with an accounting service.
    • Integrated with Klarna payment system.
    • Integrated with the Joomla eCommerce system.
    Technologies: PHP, Sinatra, Ruby

  • Full-stack Developer

    2013 - 2015
    DS IT Consulting
    • Worked on an in-house CMS as a part of a team. Split up the CMS into several isolated components.
    • Implemented asset management in the CMS core using Fog to store data on AWS and exposing the REST API via Sinatra.
    • Worked on creating a separate agent with specialized logic communicating with the core via message passing, separating functionality from the core (similar to delayed_job).
    • Patched Dust.js grammar to support in-house needs.
    • Implemented a Dust.js parser/syntax checker with stricter rules. Used it to check the syntax of all view templates before the server actually started.
    • Implemented a URL-match parser similar to Sinatra's for use with an in-house server library for Node.js.
    • Implemented parts of the display server to pull and display pages cached on Riak.
    • Extended the core model to support more content types in a generic way and allow for simpler publishing (JRuby, Neo4j).
    Technologies: Riak, Neo4j, Node.js, CoffeeScript, Sinatra, Ruby on Rails (RoR), Ruby

  • Developer

    2010 - 2011
    Informatika A.D.
    • Implemented a SNMP module for a SCADA system in C++.
    • Created a ladder-diagram editor with live debugging for the InfoPLC project in .NET.
    • Created an application to bundle a collection of rectangular images into a space-efficient atlas in .NET and JavaScript.
    • Worked on a thin client used to communicate with a legacy mainframe system over named pipes (.NET).
    Technologies: JavaScript, .NET, C++

Skills

  • Languages

    Scala, C++, Go, Ruby, JavaScript, Haskell, SQL, C, CoffeeScript, PHP, Elixir

  • Frameworks

    Sinatra, Ruby on Rails (RoR), Graphcool, Akka, .NET, Angular, AngularJS

  • Libraries/APIs

    jQuery, Underscore.js, Node.js

  • Paradigms

    Functional Programming, Object-oriented Programming (OOP), Concurrent Programming, Logic Programming

  • Platforms

    Linux, Amazon Web Services (AWS), Arduino

  • Other

    Compilers, Front-end Development, Microcontroller Programming, AI Programming, Game Development, Trailblazer

  • Tools

    ANTLR, Microsoft Visual Studio, VS Code, Git, GoLand

  • Storage

    MySQL, PostgreSQL, Riak, Neo4j

Education

  • PhD in Computer Science
    2017 - 2022
    University of California, Santa Barbara - Santa Barbara
  • Batchelor's Degree in Computer Engineering
    2009 - 2013
    Metropolitan University - Belgrade

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