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Domain > aaroncruz.net
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DNS Resolutions
Date
IP Address
2019-11-06
54.158.116.178
(
ClassC
)
2025-11-24
52.52.192.191
(
ClassC
)
Port 443
HTTP/1.1 200 OKAccept-Ranges: bytesAge: 1Cache-Control: public,max-age0,must-revalidateCache-Status: Netlify Edge; fwdmissContent-Length: 29708Content-Type: text/html; charsetUTF-8Date: Mon, 24 Nov 2025 16:45:32 GMTEtag: edd622ffb809dc424110828f9681d52d-sslServer: NetlifyStrict-Transport-Security: max-age31536000X-Nf-Request-Id: 01KAVC35Y21F8R091ZM58QZRC9 !doctype html>html langen>head> meta namegenerator contentHugo 0.49.2 /> meta charsetutf-8> meta nameviewport contentwidthdevice-width, initial-scale1, viewport-fitcover> base hrefhttps://aaroncruz.net> title>Speaking | Workshops | Hiring Consulting - aaroncruz.com/title> link href/main.9ef9b.css relstylesheet> script async srchttps://www.googletagmanager.com/gtag/js?idUA-7885102-1>/script> script> window.dataLayer window.dataLayer || ; function gtag(){dataLayer.push(arguments);} gtag(js, new Date()); gtag(config, UA-7885102-1); /script>/head>body classfont-sans pb-12> div classnavigation flex justify-between items-center py-10 px-10 text-lg bg-brand-lighter> div classimage text-gray>aaroncruz/div> nav> a classno-underline px-1 md:px-2 text-grey-darker href#projects>Projects/a> a classno-underline px-1 md:px-2 text-grey-darker href#talks>Talks/a> a classno-underline px-1 md:px-2 text-grey-darker href#contact>Contact/a> /nav>/div>section classjumbo flex flex-col md:flex-row pt-16 md:pt-0 mb-32 items-center justify-center content-center> img classblock md:hidden m-auto mb-16 rotating ease stylewidth: 170px; height: 260px; src/images/head.png /> div classhead-container hidden md:block> div classhead> img class srcimages/head.png alt /> /div> img classlogo srcimages/head.png alt /> /div> div classintro-text> h1 classtext-brand text-3xl sm:text-4xl lg:text-5xl mb-8> Elixir Developer,br />Speaker,br />Workshop Giver /h1> a classtext-s no-underline font-semibold rounded-full px-4 py-2 block text-center leading-normal bg-brand border border-brand-dark text-white hover:bg-brand-darker hover:text-white href#contact > Get In Touch /a> /div>/section> section classpx-16 py-32> div classcontainer mx-auto flex justify-between> div classcontent md:mr-32> h2 classtext-grey-darkest text-4xl mb-6>About Me/h2> div classtext-xl> div classtext-grey-darker> p>Since leaving the cooking profession 10 years ago, I have been writing software and speaking about software development at conferences all over the world. You can preview those a href#talks>here/a>./p>p>I give a href#workshops>workshops/a> on Elixir and Phoenix./p>p>I’m based in the suburbs of Vienna, Austria./p> /div> /div> /div> img classhidden md:block rotating ease stylewidth: 170px; height: 260px; src/images/head.png /> /div>/section>section idprojects classprojects bg-brand-lighter px-16 pt-32 pb-16> div classcontainer mx-auto> h2 classheader uppercase tracking-wide text-3xl text-grey-dark mb-32> Projects /h2> div classprojects> div classproject mb-16 md:flex md:justify-between md:items-center> div classmb-8 md:w-1/4 md:pr-16 md:mb-0> img classmr-12 src/images/HiringFunnel@2x.png /> /div> div classmd:w-3/4 content> div classtext-xl> div classtext-grey-darkest> p>A growing startup’s hiring process can be compared to a consultant’s marketing and sales process./p>p>At HiringFunnel, we help medium sized startups who are feeling growing pains to create a repeatable process to find, process and onboard the best recruits./p> /div> /div> /div> /div> div classproject mb-16 md:flex md:justify-between md:items-center> div classmb-8 md:w-1/4 md:pr-16 md:mb-0> img classmr-12 src/images/squarebracket-logo@2x.png /> /div> div classmd:w-3/4 content> div classtext-xl> div classtext-grey-darkest> p>At Square Bracket we build custom software solutions for early stage startups./p>p>Our projects include a chatbot for a large supermarket chain (SPAR), Ethereum Dapps, a freelancer marketplace, apps for doctors and their patients and many more./p> /div> /div> /div> /div> /div> /div>/section>section idworkshops classpx-16 pt-32 pb-16> div classcontainer mx-auto> h2 classheader uppercase tracking-wide text-3xl text-grey-darker mb-8> Workshops /h2> div classcontent text-xl mb-16> div classtext-grey-darkest> p>I give workshops to help train students or to save your company time by introducing your employees to new technologies./p>p>If you’re interested in booking a workshop, just fill out the a href#contact>contact form/a> and I’ll get right back to you./p> /div> /div> div classworkshops> div classworkshop mb-16> h3 classtext-grey-darkest text-3xl mb-4>Introduction to Elixir/h3> div classcontent> div classtext-xl> div classtext-grey-darkest> p>In this workshop, we go into some of the more interesting aspects of Elixir to discover what makes this language and its patterns so powerful./p>p>It is very hands-on and the students get to coding Elixir in the first 15 minutes./p> /div> /div> /div> /div> div classworkshop mb-16> h3 classtext-grey-darkest text-3xl mb-4>Introduction to Elixir and Phoenix/h3> div classcontent> div classtext-xl> div classtext-grey-darkest> p>This workshop is very similar to the Intro to Elixir workshop except we spend some time getting to know Phoenix. At the end of the workshop we will have built a Phoenix app that uses websockets to produce a real-time twitter feed in the browser./p>p>If you decided on Phoenix for your team’s web app, this workshop would be a great fit for you./p> /div> /div> /div> /div> div classworkshop mb-16> h3 classtext-grey-darkest text-3xl mb-4>The Evolution of a Digital Currency - Ruby Edition/h3> div classcontent> div classtext-xl> div classtext-grey-darkest> p>This workshop goes through the steps of building a very primitive digital currency, through coming up with a currency that has many similarities with Bitcoin./p>p>It touches on cryptography, Proof of Work and mining./p>p>If you want to see an example, it has been extracted from a hrefhttps://www.youtube.com/watch?v2ShCFVIw4uI>this talk/a> that I gave in Lviv in 2018./p> /div> /div> /div> /div> /div> /div>/section>hr classborder-b-2 border-grey-lighter>section idtalks classpx-16 pt-32 pb-16> div classcontainer mx-auto> h2 classheader uppercase tracking-wide text-3xl text-grey-darker mb-8> Talks /h2> div classcontent text-xl mb-16> div classtext-grey-darkest> p>I have been speaking at tech conferences for many years and at meetups for many more.br />The topics have changed quite a bit over the years which shows how my interests keep changing./p>p>If you would like me to speak at your conference or event, or give a workshop, just a hrefhttps://forms.gle/GTb98t5K4D8fYa1d6>fill out the contact form/a> and I’ll get right back to you./p>p>I try to entertain first, but hope people will come away having learned something. These talks are in serious need of upvotes so if you take a peek, don’t forget to smash like đź‘Ť/p> /div> /div> div classtalks> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>Steal This Talk/h3> div classdescription text-grey-darker text-xl mb-2> p>I like to give talks. Tragedy has hit for the past year and I haven’t been able to come up with anything interesting to speak about.I had almost given up, thrown in the towel. But then I had an idea…/p>p>I will build an app that will write a talk for me!/p>p>It turns out AI is pretty hard./p> /div> p classtext text-grey mb-4> span classconference mr-8> Euruko Rotterdam 2019 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Ruby /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Machine Learning /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/yiFYRArX6Bo> img classtalk-video-image srchttps://img.youtube.com/vi/yiFYRArX6Bo/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>How Mining Works/h3> div classdescription text-grey-darker text-xl mb-2> p>I explain crypto mining Proof of Work using Ruby examples: the problemsit solves and how it solves them. I answer the question “Why are we using so muchelectricity mining crypto?“./p> /div> p classtext text-grey mb-4> span classconference mr-8> Pivorak Conf Lviv 2018 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Crypto /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Mining /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > PoW /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Ruby /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/2ShCFVIw4uI> img classtalk-video-image srchttps://img.youtube.com/vi/2ShCFVIw4uI/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>The Professional Crypto Mining Tech Stack/h3> div classdescription text-grey-darker text-xl mb-2> p>For the last year Aaron has been managing and building software for a medium sized Ethereum mining farm in Central Europe. The current stack is quite eclectic and constantly in flux. It includes Elixir, Golang, Ruby, Node, a ton of bash and YAML, and even some Raspberry Pis thrown in./p> /div> p classtext text-grey mb-4> span classconference mr-8> Reaktor Breakpoint Helsinki 2018 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Crypto /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Mining /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > PoW /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/4-v2tkstYyg> img classtalk-video-image srchttps://img.youtube.com/vi/4-v2tkstYyg/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>Boom! Zap! PoW!/h3> div classdescription text-grey-darker text-xl mb-2> p>I’ve been managing a mining farm, consuming thousands of kilowatt hours for most of the last year./p>p>In this talk, I will explain what Proof of Work (PoW) and some alternatives.br />We’ll even do some mining in Ruby!/p> /div> p classtext text-grey mb-4> span classconference mr-8> Rubyconf Kenya 2018 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > PoW /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Mining /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Crypto /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Ruby /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/kkwAn3U5MLs> img classtalk-video-image srchttps://img.youtube.com/vi/kkwAn3U5MLs/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>Building A Chatbot With Go, RiveScript and api.ai/h3> div classdescription text-grey-darker text-xl mb-2> p>If you’ve considered building a chatbot in Go, there are some pretty nice tools that exist to make it a great experience. From a conversational markup language to Natural Language Processing as a Service, I’ll show you how to leverage a few tools out there so you can make a chatbot or a prototype in minutes!/p> /div> p classtext text-grey mb-4> span classconference mr-8> Golang Meetup Brno 2017 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Golang /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Chatbots /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Rivescript /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > NLP /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/fxMlqV5kcxo> img classtalk-video-image srchttps://img.youtube.com/vi/fxMlqV5kcxo/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>This Bot Will Pump You Up/h3> div classdescription text-grey-darker text-xl mb-2> p>I challenged myself to get fit with fitness chatbots I was building.Try not to cry when you see what happened next./p> /div> p classtext text-grey mb-4> span classconference mr-8> Rubyconf India 2017 /span> span classconference mr-8> Rubyconf Philippines 2017 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Ruby /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Fitness /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Chatbots /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/_II771f7p4g> img classtalk-video-image srchttps://img.youtube.com/vi/_II771f7p4g/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>Evolution of a Burger Bot/h3> div classdescription text-grey-darker text-xl mb-2> p>I built a Burgers and Beer chatbot using the Elixir programming language.This talk is a bit about the process but mostly about chatbot design./p> /div> p classtext text-grey mb-4> span classconference mr-8> ElixirLive Warsaw 2016 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Elixir /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Chatbots /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/jO2ZqSXWIPc> img classtalk-video-image srchttps://img.youtube.com/vi/jO2ZqSXWIPc/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>Ruby Alternatives/h3> div classdescription text-grey-darker text-xl mb-2> p>Ruby is just a tool and this talk is a very brief introduction to some other tools a Rubyist could add to their toolbox: Golang, Elixir and the Crystal Programming Language./p> /div> p classtext text-grey mb-4> span classconference mr-8> Rails Israel 2016 /span> span classconference mr-8> Rubyconf India 2016 /span> span classconference mr-8> RubyC Kyiv 2016 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Elixir /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Ruby /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Golang /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/MCfORzUI6kA> img classtalk-video-image srchttps://img.youtube.com/vi/MCfORzUI6kA/0.jpg /> /a> /div> /div> /div> div classtalk flex flex-col-reverse md:flex-row mb-12> div classcontent mb-8 md:mb-0 md:w-2/3 md:pr-4> h3 classtext-grey-darkest text-3xl mb-4>Duck! An Interface Love Story./h3> div classdescription text-grey-darker text-xl mb-2> p>Where I speak about one of my favorite features of the Go Programming Language, Interfaces./p> /div> p classtext text-grey mb-4> span classconference mr-8> Gophercon Dubai 2016 /span> span classconference mr-8> Gophercon India 2016 /span> /p> div classtags flex flex-wrap> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Golang /a> a href# classtag content-center text-grey-darker bg-brand-lighter lowercase text-s no-underline font-semibold rounded-lg mb-4 md:mb-0 mr-4 px-4 py-2 block text-center leading-normal hover:bg-brand-darker hover:text-white > Software Design /a> /div> /div> div classvideo mb-4 md:mb-0 md:w-1/3> div classtalk-video> a hrefhttps://youtu.be/qfhYj-SbXOw> img classtalk-video-image srchttps://img.youtube.com/vi/qfhYj-SbXOw/0.jpg /> /a> /div> /div> /div> /div> /div>/section>section idcontact classborder-t-2 border-b-2 border-grey-lighter px-16 pt-32 pb-16 mb-16> div classcontainer mx-auto> h2 classheader uppercase tracking-wide text-3xl text-grey-darker mb-8> Contact /h2> div classcontent text-xl mb-16> div classtext-grey-darkest> p>If you would like to get in touch, follow the link below to give me some information about yourself.It should only take a couple minutes./p>p>I look forward to hearing from you!/p> /div> /div> div classcontact> div classmb-12 mx-auto> a classmax-w-xs m-auto text-s no-underline text-inline font-semibold rounded-full px-4 py-2 block text-center leading-normal bg-brand border border-brand-dark text-white hover:bg-brand-darker hover:text-white hrefhttps://forms.gle/GTb98t5K4D8fYa1d6 target_blank > Contact Now /a> /div> /div> /div>/section> footer classpx-16> div classcontainer> p classmx-auto w-64>Copyright 2019 - Aaron Cruz /p> /div>/footer> script src/js/jquery.js>/script> script src/js/jquery.color.js>/script> script src/js/jquery.easing.js>/script> script src/js/jquery.circulate.js>/script> script src/main.9ef9b.js>/script> /body>/html>
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