Simanas Venčkauskas, Software Developer in Kaunas, Kaunas County, Lithuania
Simanas Venčkauskas

Software Developer in Kaunas, Kaunas County, Lithuania

Member since September 11, 2013
Simanas is a passionate developer, entrepreneur, and business analyst who excels at utilizing latest artificial intelligence techniques to deliver top-quality software solutions in the shortest period of time.
Simanas is now available for hire




Kaunas, Kaunas County, Lithuania



Preferred Environment

Python, Git, Linux

The most amazing...

...thing that I ever created is an artificial intelligence for sound that separates vocals from any given song with outstanding precision


  • Founder

    2017 - PRESENT
    • Created world-first AI-powered vocal remover using latest and greatest AI techniques.
    • Evolved vocal remover into stems maker, which can separate not only vocals, but also drums, bass, and other instruments out of any given audio track.
    • Came up with an idea and fully realized it, and now it serves thousands of music professionals and lovers all around the world.
    Technologies: TensorFlow, TensorFlow Deep Learning Library (TFLearn), Python, Django, PostgreSQL, Linux, JavaScript
  • Software Architect/Lead Developer

    2016 - 2018
    Bikeparts LT, UAB
    • Developed Django-powered eCommerce website which is capable of selling large amounts of products.
    • Developed a unique technique to recognize motorcycle parts and to be assigned to specific models.
    • Integrated eCommerce stock with many different parts suppliers across Europe.
    Technologies: Python, Django, JavaScript, Linux
  • Software Architect | Lead Developer

    2014 - 2017
    Shorebreak Security, LLC
    • Built a cloud-based software application used by professional penetration testers to continuously scan ultimate organizations for potential vulnerabilities, provide fixing suggestions, verify fixes, and communicate efficiently.
    • Built a separate scanner agent which can be installed on any Linux machine, plugged into any internal network, and then utilized remotely via the main application interface to scan that internal network.
    • Gained a tremendous amount of knowledge on cybersecurity and penetration testing.
    • Trained staff members on various open source technologies.
    Technologies: Linux, Git, Continuous Integration (CI), Test-driven Development (TDD), PostgreSQL, RabbitMQ, Redis, Celery, Django, Python
  • Developer | Business Analyst

    2009 - 2017
    • Developed a custom ERP system based on Django-Xadmin for one of the leading insurance companies in Lithuania.
    • Developed a news aggregation website for the pharma industry based on Django, Backbone.js, and Solr.
    • Made a lot of various customizations for existing Django-based websites.
    • Contributed to various PythonandDjango-based projects on my own or with others.
    Technologies: C++, Java, Flash ActionScript, HTML5, Django, Python
  • Platform Architect, Lead/Master Developer

    2013 - 2014
    Networld Media Group (via Toptal)
    • Redesigned and reworked the core business tool from ground zero, a news publishing platform hosting an unlimited number of news sites (twelve currently), using cutting-edge technologies and techniques.
    • Accomplished all goals in just seven months while leading and teaching a team of ex-PHP developers.
    • Successfully migrated a high-scale database to the new, performance-oriented database.
    Technologies: Git, Supervisory, Celery, PostgreSQL, Bootstrap, Django, Python
  • Platform Architect/Developer

    2013 - 2013
    Startgrid, Inc. (; via Toptal)
    • Designed and implemented the core structure of a platform.
    • Designed and implemented social networks based on auth system, user permissions, and roles.
    • Advised on future development and scaling.
    Technologies: Git, Test-driven Development (TDD), AngularJS, Bootstrap, Django, Python
  • Developer, Consultant

    2013 - 2013
    • Developed an application for a real estate company for printing custom reports of estates on sale.
    • Developed SEO strategy and website for
    Technologies: HTML5, JavaScript, Django, Python
  • Developer, Business Analyst, Manager

    2012 - 2013
    HBee, Ltd.
    • Developed a reusable OpenERP SaaS web platform based on Django framework.
    • Worked on OpenERP custom integrations starting from business analysis up to custom development.
    • Created OpenERP introductory video tutorials.
    Technologies: JavaScript, Python, OpenERP, Django
  • CEO, Founder

    2006 - 2012
    UAB Mantijų Karalius
    • Developed a company from idea to constant business, serving over 20,000 graduates every year.
    • Designed and developed a custom order management system to increase business efficiency and profit.
    • Designed and developed websites,,, and
    Technologies: HTML, PHP
  • CEO, Founder

    2009 - 2010
    GRAFICO LT, UAB. Lenticular Printing
    • Implemented a number of marketing projects for European companies. Various product lines were supplied for supermarkets: Notepads, postcards, etc. (
    Technologies: Printing
  • CEO, Founder

    2008 - 2009
    UAB “Korepetitorių Centras”
    • Coached children to help them achieve better results at school at the leading kids coaching center in Vilnius, Lithuania.
    • Designed and programmed a schedule management system for internal use.
    Technologies: Microsoft Access, PHP
  • CEO, Founder

    2007 - 2008
    • Designed an online shipment system where every courier in the town is monitored via GPS. All new shipments were automatically assigned to couriers while evaluating their workload, distance to pickup, delivery address, current route, etc.
    Technologies: GIS
  • Sales Manager

    2007 - 2008
    GRAFICO Baltics
    • Created professional printed presentations for Lithuanian companies and manufactures including Baltic Furniture Group, Molesta, Atrama, and Betula.


  • PhonicMind - Artificial Intelligence for Sound

    This is one of my first highly successful projects employing artificial intelligence.

    I was raised by mom, dad, music, and computers, so I feel like this is an outcome of my entire life path. It works incredibly great and I am having a lot of fun by working on this project. It's awesome!

  • Lifeguard

    Lifeguard is our continuous penetration testing service that allows us to manage risk daily because waiting a year or more to detect and manage vulnerabilities isn't working.


    Django-based eCommerce site.

  • Networld Media Group News Platform

    These are just a few of the sites hosted by one high-scale news publishing platform which I had the pleasure to build.


    Contributed to this project at its early development stage. Designed and implemented the core structure of a platform, social networks based auth system, user permissions, and roles. Advised on future development and scaling.


    Modern website based on Django.

  • DailyERP

    OpenERP reusable SaaS platform and website. Technologies used: SSL, bottle rest servers, Supervisord, Mezzanine, Celery, etc. Tutorials prepared by me.

  • Django-xadmin

    Made contributions to this project.

  • ImpressionLink

    Although I do not see myself as a designer, I created everything here from the idea to the design of Flash templates. I have gained significant knowledge of ActionScript by developing this project.


    Highly advanced orders management system for my previous company Mantijų Karalius. Seven types of users (anonymous, higher school participant, head of participant group, photographer, designer, administrator, and super user) to bring graduation photography and social networking experience together.

  • Question Pools Platform

    Highly scalable system for psychologists to create different types of questions and task pools.

  • TODO App

    Simple small client-side app based on Backbone/Marionette, Twitter Bootstrap 3 (works great on smartphones) and Django REST framework.

  • Codility Certificate

    Codility Silver Certificate with a score of 90/100.


  • Languages

    Python, SQL, JavaScript, ActionScript 3, HTML5, Flash ActionScript, PHP, HTML, C++, C, Java, Bash Script
  • Frameworks

    Django, Bootstrap, AngularJS
  • Libraries/APIs

    TensorFlow, jQuery, TensorFlow Deep Learning Library (TFLearn)
  • Tools

    Git, Elastic, Microsoft Access, GIS, Celery, RabbitMQ
  • Paradigms

    Continuous Integration (CI), Test-driven Development (TDD), Agile Software Development
  • Platforms

    Linux, OpenERP, Twitter
  • Storage

    PostgreSQL, Redis
  • Other

    Artificial Intelligence (AI), Enterprise Resource Planning (ERP), Freelance, Printing, Supervisory


  • Bachelour Degree in Business Management
    2006 - 2008
    ISM University of Management and Economics - Vilnius, Lithuania
  • Bachelour Degree in Audiovisual arts engineer and artist.
    2004 - 2006
    Kaunas Technology University - Kaunas

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