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Justus Moeller

Justus Moeller

Heidelberg, Baden-W├╝rttemberg, Germany
Member since April 18, 2016
Justus has over a decade of experience in software development, ranging from low-level compiler optimization all the way to scientific experiments and full-stack web development. He's a polyglot who's also mathematically literate at a graduate level; this includes knowledge of advanced algorithms. Justus is a great communicator who works well in all sorts of work environments.
Justus is now available for hire
  • Mathematics, 15 years
  • Python, 11 years
  • Web Crawlers, 5 years
  • Functional Programming, 5 years
  • Test-driven Development (TDD), 5 years
  • Physics Simulation, 3 years
  • Redis, 2 years
  • Elixir, 1 year
Heidelberg, Baden-W├╝rttemberg, Germany
Preferred Environment
Linux, Atom, Git
The most amazing...
...program I've designed is a framework for computational experiments in physics.
  • Co-Founder
    2015 - 2016
    • Built an entire SAAS application end to end.
    • Increased Instagram engagement by at least 30% for our customers.
    • Managed one freelancer.
    Technologies: Python, AngularJS, HTML, CSS
  • Self-Employed Developer
    Data Mining Consulting
    2014 - 2015
    • Wrote a sophisticated web crawler.
    • Reduced server costs by 90% through machine learning applications.
    • Scraped significant parts of sites like LinkedIn that try to prevent this from happening.
    Technologies: Python, Scrapy, HTML, CSS, JavaScript
  • Self-Employed Developer
    Bitcoin Arbitrage
    2013 - 2014
    • Traded in Bitcoin.
    • Wrote software that found Bitcoin Arbitrage opportunities.
    Technologies: Python, Machine Learning Ecosystem
  • Self-Employed Developer
    Performance Marketing
    2012 - 2013
    • Wrote advanced analytics software that increased profitability by 20%.
    • Implemented a modern game theory algorithm that increases statistical convergence by at least 17% over traditional A/B testing.
    • Analyzed and optimized bidding strategies to drive down marketing costs by at least 30%.
    Technologies: Python, JavaScript, HTML, CSS
  • Self-Employed Developer
    Professional Poker
    2006 - 2012
    • Wrote a profitable poker bot.
    • Created software that analyzed opponent behavior.
    • Wrote proprietary data analysis software.
    • Contributed heavily to contemporary poker theory.
    • Played poker for a living.
    Technologies: C++
  • Social Insight (Development)

    The company I founded in late 2015. Provides proprietary Instagram analytics.

  • Project Euler (Other amazing things)

    Project Euler is a site that provides challenging math/algorithm puzzles. I discovered the site in May 2016 and have so far solved 101 out of about 550 puzzles. This puts me in the 98th percentile and showcases my ability when it comes to algorithmic and mathematical reasoning.

  • Bitcoin Arbitrage Bot (Development)

    In 2013, I wrote a trading bot that finds arbitrage opportunities in the Bitcoin asset class.

  • Jogging Tracking App (Development)

    My Toptal coding project. Built over the course of 1.5 weekends.

  • Languages
    Python, Solidity, JavaScript, HTML, SQL, Elixir, R, CSS, C, Java, C++
  • Frameworks
    Flask, Viper, Django, AngularJS
  • Libraries/APIs
    Instagram API, TensorFlow, NumPy, jQuery, Asyncio, Python-rq, Stripe API, Google API
  • Tools
  • Paradigms
    Test-driven Development (TDD), Unit Testing, Parallel & Distributed Computing, Functional Programming, Concurrent Programming, Object-oriented Programming (OOP), Asynchronous Programming, Agile
  • Platforms
    Ethereum, Blockchain, Raspberry Pi, Linux
  • Other
    Mathematics, Serpent, Screen Scraping, Web Scraping, Web Crawlers, Physics Simulation, OCR, Bitcoin, APIs
  • Storage
    MongoDB, Redis, PostgreSQL, MySQL, NoSQL
  • In progress bachelor's degree in Physics and Mathematics
    Heidelberg University - Heidelberg, Germany
    2009 - 2016
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