Jura Fitzgerald, Web Development Developer in Kharkiv, Kharkiv Oblast, Ukraine
Jura Fitzgerald

Web Development Developer in Kharkiv, Kharkiv Oblast, Ukraine

Member since February 12, 2021
Jura has experience in front-end and back-end web development, AI and machine learning, blockchain, DevOps, quality assurance, hardware, and robotics. He understands well how the technology works, from low to high level, and has honed his management skills leading both small teams and teams of up to 20 people. Jura cares about the business side of the product and treats cooperation as a partnership.
Jura is now available for hire

Portfolio

Experience

Location

Kharkiv, Kharkiv Oblast, Ukraine

Availability

Part-time

Preferred Environment

MacOS, Terminal, Web, Slack, Email, Zoom

The most amazing...

...thing I've built is a robot for home automation that can move around the room and interact with objects.

Employment

  • Founder

    2017 - 2021
    Machine Learning
    • Founded one of the first machine learning agencies in Ukraine.
    • Hired and managed technical and non-technical teams.
    • Delivered over 40 machine learning projects utilizing different cutting-edge AI technologies.
    Technologies: Machine Learning, Computer Vision, Natural Language Processing (NLP)
  • CTO

    2015 - 2018
    Cryptocurrency and Digital Assets Exchange Company
    • Built the biggest local cryptocurrency and digital assets exchange from scratch to $1,000,000 in daily trading volume.
    • Designed, managed, and scaled the IT infrastructure of the product.
    • Implemented security protection and fought off hacker attacks.
    • Recruited, managed, and led a technical engineering team.
    Technologies: Ruby on Rails (RoR), JavaScript, Blockchain, Cybersecurity, Microservices
  • Senior Consultant

    2014 - 2017
    Distributed Lab
    • Consulted the clients on different blockchain and cybersecurity projects.
    • Built multiple projects such as wallets for digital assets and cloud mining services.
    • Helped to recruit the team and conducted over 70 technical interviews.
    Technologies: Blockchain, Cybersecurity, Ruby on Rails (RoR), JavaScript, Node.js
  • Co-founder

    2012 - 2014
    Ready to Travel
    • Designed UI and built the front-end part of the service.
    • Recruited and led a team of software engineers.
    • Established the work of the quality assurance department.
    Technologies: Ruby on Rails (RoR), JavaScript, Front-end, Quality Assurance (QA)
  • Software Engineer

    2011 - 2012
    Sphere Software
    • Contributed to the development of a popular babysitting service and implemented new features.
    • Covered the code with unit tests and refactored the existing code.
    • Optimized database structure and SQL queries for report generation.
    Technologies: PHP, Ruby on Rails (RoR), JavaScript, SQL

Experience

  • Cryptocurrency and Digital Assets Exchange

    Developed the biggest local cryptocurrency and digital assets exchange from scratch to $1,000,000 in daily trading volume. Created, managed, and scaled infrastructure. Fought off numerous hacker attacks. Hired and managed the engineering team.

  • AI-powered eKYC System

    Built an eKYC system that recognizes data from the client's ID card photo, matches the face on it with a selfie, and does liveness verification.

    The user takes a photo of his ID card, which is recognized using the optical character recognition (OCR) algorithm.

    The user then proceeds to the liveness verification stage and makes required gestures. The gestures are recognized and verified at this stage, and the facial recognition algorithm compares the camera image and the photograph from the user's passport.

    Operators and administrators can securely manage user records.

  • Ready to Travel Search System

    A travel route search system that combines various modes of transport to find the best option for user preferences, such as time, cost, and comfort. I built the front-end part of the service, recruited engineers, and established the work processes of the QA department.

  • Bitalo Trading Platform

    Fully licensed P2P trading platform in Germany that offers extremely secure handling of Bitcoin, Bitcoin Cash, and Dash, thanks to user-side encrypted multi-signature wallets.

    Bitalo integrates the following services:
    - Wallet for storing bitcoins securely as never before.
    - Trading bitcoins on a decentralized exchange.
    - Dispute resolution in a transparent and fair process.
    - Backup so users can get their bitcoins back, even if Bitalo was to be shut down.
    - Secure communication, including end-to-end encrypted communication channels for users.

  • Bitforx Digital Wallet

    Cloud mining, exchange, and secure wallet for cryptocurrency assets.

    - Digital wallet with both hot and cold storage solutions.
    - Users can buy the hashing power and start mining with the minimum investment, minimal risk, and no technical knowledge.
    - Users can swap their coins on our easy-to-use coin exchange.

Skills

  • Languages

    Ruby, Python, PHP, JavaScript, TypeScript, CoffeeScript, Delphi, Bash, Pascal, SQL, HTML, CSS, Sass, Haml, Pug, XML, YAML, Markdown, Regex, Unicorn, C++, C#
  • Frameworks

    Ruby on Rails (RoR), Sinatra, Grape, Redux, Express.js, Django, Flask, Bootstrap, Tailwind CSS, Slim, Twig, minitest, Capybara, Cypress.io, Selenium, Angular, Laravel, Yii, Zend Framework, gRPC, Jasmine, Darknet, Core ML, Ionic, .NET
  • Libraries/APIs

    Node.js, Ruby on Rails API, React, Socket.IO, Ruby ERB, Sockets, WebRTC, REST APIs, JSON-RPC, Stripe, Sidekiq, Pandas, Matplotlib, D3.js, Pusher, Puppeteer, PhantomJS, TensorFlow, PyTorch, Keras, OpenCV, NumPy, SpaCy, Liquid, NLTK
  • Tools

    Terminal, Zoom, JSX, RSpec, Cucumber, Nginx, Apache, RabbitMQ, Amazon SQS, AWS Push Notification Service (AWS SNS), VPN, NMap, Cron, Git, GitHub, GitLab, Capistrano, Slack, Mocha, 2Checkout, Nagios, Systemd, Monit, Logstash, Bareos, Vagrant, VirtualBox, Ansible, Chef, Gensim, BackupPC
  • Paradigms

    Test-driven Development (TDD), Behavior-driven Development (BDD), CSRF Protection, Microservices, DevOps
  • Platforms

    MacOS, Web, Arduino, Raspberry Pi, Ethereum, Bitcoin Cash, Linux, DigitalOcean, Blockchain, Dropbox, Docker, Google Cloud Platform (GCP), Amazon Web Services (AWS), Twilio, Windows, Heroku, Apache Kafka, New Relic, Kubernetes, FreeBSD, Quick EMUlator (QEMU)
  • Storage

    JSON, SQL Injection Protection, Google Cloud, MySQL, MariaDB, SQLite, MongoDB, Redis, Google Cloud SQL, AWS S3, PostgreSQL, Amazon Aurora, InfluxDB, Datadog, Microsoft SQL Server
  • Industry Expertise

    Cybersecurity
  • Other

    Email, Computer Vision, Natural Language Processing (NLP), Deep Learning, JSON Lines, CSV, HTTP, HTTPS, WebSockets, Ajax, POP3, IMAP, SMTP, Cryptography, Digital Signage, RSA, Elliptic Curve Cryptography, PGP, XSS Protection, Jetson Nano, Bitcoin, Litecoin, Dash, AWS, Cloud Computing, Web Development, Machine Learning, Puma, SSH, Telnet Protocol, DNS, Firewalls, Cloudflare, CI/CD Pipelines, Universal Asynchronous Receiver/Transmitter (UART), Embedded Systems, OCR, Object Detection, Text Classification, Object Recognition, API Management, XMPP, PCI DSS, BrainTree, PayPal, Ripple, Stellar, Microsoft Azure, Tornado, SSL, Transport Layer Security (TLS), NAT, HAProxy, Bacula, I2C, Serial Peripheral Interface (SPI), RFID, Near-field Communication (NFC), ESP32, Coral TPU, EOS, Google BigQuery, Front-end, Quality Assurance (QA), IIS, ML Kit, Code Architecture, UI, UX, Startups, Decentralized Systems, Cryptocurrency

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