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Justas Azna

Justas Azna

Copenhagen, Denmark
Member since May 23, 2016
Justas is a web developer and DevOps engineer based out of Denmark. For the past three years, he has been a partner in a web development company. He works mostly on Python and Node.js-based applications with a focus on APIs, software architecture, and deployment automation.
Justas is now available for hire
Portfolio
  • Novozymes A/S
    Python, Django, HBase, Spark, Hadoop, Solr, RabbitMQ, Ceph, Linux, Node.js...
  • Fadeit
    Python, Node.js, JavaScript, CoffeeScript, PHP, PostgreSQL, MySQL, Puppet...
  • Alexandra Institute
    Python, PHP, Java, MySQL, PostgreSQL, Linux
Experience
  • Python, 4 years
  • JavaScript, 4 years
  • Node.js, 3 years
  • CoffeeScript, 2 years
  • Express.js, 2 years
Copenhagen, Denmark
Availability
Part-time
Preferred Environment
Linux (Debian, Red Hat, Arch), Vim, Git
The most amazing...
...thing I've developed is a D3.js-based linked data explorer. I used architecture defined in SoLiD-spec for doing a decentralized social web.
Employment
  • Software Development Consultant
    2018 - PRESENT
    Novozymes A/S
    • Developed features for an internal big data platform using Python and Node.js.
    • Implemented parsers and ingested large volumes of raw DNA and protein data into HBase using Spark and map-reduce.
    • Backfilled Solr search indices and HBase tables using Spark and map-reduce.
    • Created performance profiles and improvements of critical back-end algorithms using cProfile and Python.
    • Parallelized BLAST (Basic Local Alignment Search Tool) workers to get faster protein and DNA sequence alignment results using Python, RabbitMQ, and multiprocessing.
    • Implemented data access restrictions for HBase and Solr.
    Technologies: Python, Django, HBase, Spark, Hadoop, Solr, RabbitMQ, Ceph, Linux, Node.js, React
  • Software Engineer/Partner
    2013 - PRESENT
    Fadeit
    • Developed software and provided system administration for IPVISION A/S: Mobile Virtual Network Operator (MVNO).
    • Created software and provided system administration for Grundfos A/S. Worked on the implementation of their IoT platform, Gatesense.
    • Built software for Alexandra Institute A/S. Worked on an open data portal implementation.
    • Developed software for Bitshifters ApS: Implemented a next-generation building intelligence management (BIM) system.
    • Managed projects, developed software, and did DevOps for Visualize Wealth, LLC. Worked on releasing the MVC of Viziphi.com, a financial risk analysis system.
    • Developed software for Davoodi Pty, Ltd., working on the Automed.io platform.
    • Built Hopper.dk, a local service search engine.
    • Created Playsignage.com, a digital signage SaaS.
    • Developed software for Sirenia ApS. Worked on CCOW context management registry using Go.
    Technologies: Python, Node.js, JavaScript, CoffeeScript, PHP, PostgreSQL, MySQL, Puppet, Docker, DigitalOcean, AWS
  • Software Developer
    2014 - 2014
    Alexandra Institute
    • Implemented a free software plugin for CKAN open data portal software. The plugin enables real-time events from CKAN's datastores.
    • Implemented Drupal/CKAN integration for user management.
    • Developed a RESTful API for the Gatesense IoT platform using Java (Spring MVC).
    Technologies: Python, PHP, Java, MySQL, PostgreSQL, Linux
  • Software Developer/Sysadmin
    2013 - 2014
    iPinion
    • Re-implemented an old phone usage accounting system.
    • Implemented a call center wallboard solution, an order handling system integrated with a payment gateway and two different mobile network operators (MNO), and self-service portals for B2B and private users.
    Technologies: Asterisk, Drupal, PHP, Python, MySQL, Debian, Perl, ZeroMQ, Web Sockets
  • Software Development Intern
    2012 - 2012
    Captator
    • Wrote a backup utility using C#.
    • Conducted research of real-time web libraries for .NET.
    Technologies: .NET, C#, WPF
Experience
  • "Play" Digital Signage SaaS (Development)
    https://playsignage.com

    This is my company's product, a digital signage SaaS. In this project, I am working on a RESTful API, puppet infrastructure code, and digital signage player software.

Skills
  • Languages
    Python, Markdown, Python 3, JavaScript, CoffeeScript, Go, HTML5, RDF, Scala, Java
  • Frameworks
    Apache Spark, Flask, Express.js, Django, Sails.js, Scrapy, Hadoop, Bootstrap 3
  • Libraries/APIs
    Node.js, Stormpath, ZeroMQ, React, Auth0 API
  • Tools
    GitLab, Git, Nginx, Atlassian Suite, BitBucket, GitHub, Vagrant, RabbitMQ, Apache, Docker Compose, Solr, Biopython, Jekyll, Jenkins
  • Platforms
    Linux, Amazon Web Services (AWS), Docker, DigitalOcean
  • Storage
    HBase, Redis, PostgreSQL, MySQL, CouchDB, Ceph, MongoDB
  • Paradigms
    Continuous Deployment, Test-driven Development (TDD), Kanban, REST, Functional Programming, Agile, Scrum, MapReduce
  • Other
    Technical Project Management, Payment Gateways, Unix Shell Scripting, Lean Startups
Education
  • Professional degree in Software Development
    2013 - 2014
    Business Academy Aarhus - Aarhus, Denmark
  • Academic Profession degree (AP) in Computer Science
    2009 - 2013
    Business Academy Aarhus - Aarhus, Denmark
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