Jozef Antony

Jozef Antony Consulting

✔️ I’ve built software development teams from scratch for 10+ companies worldwide
✔️ 3 of my clients’ companies were later acquired by 𝗠𝗲𝗱𝗶𝗱𝗮𝘁𝗮, 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁, and 𝗔𝘂𝘁𝗼𝘁𝗮𝘀𝗸.
✔️ 25+ years of experience in the software development space

Here is a sample breakdown of two projects we have handled:

1:

The client is in the life science industry. We built a software development team from scratch. The software solution helped the company to run and document clinical trials. We acted as an outsourcing partner.

The company was later acquired by Medidata. And later, Medidata was acquired by Dassault Systeme. The team continued to operate and grow to 15-17 developers, testers, DevOps engineers. This partnership lasted for 6 years.

2:

Built a development outsourced team to work on one of the first file-sharing and collaboration platforms in 2005 (like Dropbox or Google Drive). The solution was focused on enterprise customers. They used it for file sharing and backup. It was scaled to 170.000 paying customers. The company was later sold to Autotask and later to Datto.

As an outsourcing partner, we scaled the team to 15-20 developers and testers. Responsible for the application development, testing, hiring developers, and managing day-to-day operations of the development team. We constantly communicate with partners in Denmark and the US. This partnership is still ongoing since its inception in 2005. 

𝗘𝗺𝗮𝗶𝗹:

jozef.antony@gmail.com

Growth & Technology Advisor

I've worked with many companies, including 𝗦𝗼𝗼𝗻𝗥 (data service which liberates users from their offices using latest mobile technologies), 𝗪𝗲𝗯𝗙𝗶𝘃𝗲𝘀/𝗩𝗶𝘇𝗿𝗲𝗮 (sharing service which was recently sold to Microsoft) and various domestic companies and public sector institutions.

𝗘𝗺𝗮𝗶𝗹:

jozef.antony@gmail.com

Tech Advisor / Fractional CTO

Foundation s.r.o.

Managing daily operations (software development, sales). Experienced in management of SW project, sales.

Successfully running big project for various customers, including SoonR (data service which liberates users from their offices using latest mobile technologies), WebFives/Vizrea (sharing service which was recently sold to Microsoft) and various domestic companies and public sector institutions.

CTO, Owner

Outsourced.SK / Naxos s.r.o.

Web page focused on software development outsourcing especially in Europe and Slovakia. Free articles about our experience with outsourcing projects - how to manage and run them, case studies.
Certified Affiliate Manager, affiliate, affiliate programs.

Owner, Director

SingularCRM / Biz App Technologies Limited

Customer Acquisition and Relationship Management Platform for partners.

Our strategy is to deliver exceptional Customer Acquisition and Relationship Management solutions to our customers, OEM's and business partners.

Performance impact is a critical theme in our solutions; whether to improve the understanding about business productivity, customer relationships or efficiency. 

SingularCRM solutions are event-based and help to better present the business picture to individuals, team managers and executives.

As “one size fits all” may work for some, we believe in personalizing our solutions. If the functions you require are not already available, we can tailor the SingularCRM platform to deliver the solution you want. Private Cloud or On-premise

CN Resources Int. (SK)

 Acted as a deputy of the project manager and managed 2-3 projects (5-10 people)
 Created plans and estimations, measured performance, evaluated risks, tracking status, managing change and distribute reports to management and clients. Interviewed, hired and trained new people for the team
 Developed and supported products at the customer, tailored applications to customers needs (in Germany, US, Austria, Italy)

Project Manager Deputy / Designer / Analyst

	Lead team of developers to develop a new generation of the software application, which is one of the main companys products - delivered the product on time and within budget
	Participated on analysis and design, gathered and organized clients requirements, created and communicated design documentation, controlled change requests
	Supported the product: troubleshooting, implemented of new solutions
	Implemented and executed quality system (CMM Level 2) in the projects

Team Leader / Designer

	Designed and implemented new solutions (enhancements) which were based on the knowledge of various company products
	Delivered solution which allowed a migration of old Win16 technology to Win32 and later to Linux and greatly reduced development, debugging and testing time (solution developed mostly in free time)
	Designed and implemented subsystem allowing product to be more flexible for the customers
	Established a new enhancements project and later appointed as a deputy project manager of the project

Designer, Analyst, Programmer

	Stay at Nettest, formerly GN Nettest (Copenhagen, Denmark), our mothers company and outsourcing partner
	Gathered knowledge about the various partners products, in order to start outsourcing in Slovakia 
	Designed and implemented solutions with C++, Java, Python languages on Unix (Tru64, Solaris), Linux systems for telecommunications company

•	Designed and implemented software solutions for Ministry of Labor, Social Affairs and Family of SR based on Informix database and Microsoft OS (ISOP)
•	Cooperated and communicated with the team of the partner company in Slovakia

Analyst, Programmer

Caligari Corp. USA, CA

	Designed and built 3D graphics applications, created support for scripting languages, animations
	Tele-working: together with colleagues in Slovakia and U.S.
	Supported beta-testers, resolved issues, analyzed requirements

GfAI (Slovensko) s.r.o, Bratislava (now CSC Computer Sciences spol. s r.o.)

	Designed and programmed various database systems (resource management, business support)
	Supported the systems on the client side (the mother company) in Switzerland (Zurich, Bern)

Growth & Technology Advisor For Tech Companies | Empower Your Business With My 25+ Years of Tech Leadership | Medidata, Autotask, and Microsoft acquired 3 of my clients’ companies

👉 4 Main Reasons Why Companies Can’t Build Market-Leading Products:

(𝗜) 𝗣𝗿𝗼𝗱𝘂𝗰𝘁-𝗠𝗮𝗿𝗸𝗲𝘁 𝗦𝗽𝗲𝗲𝗱: Discovering that you cannot deliver fast enough. Communication friction, misunderstandings, and challenges between engineering, product, and business slow everything down.

(𝗜𝗜) 𝗜𝗻𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝘁𝗼 𝗦𝗰𝗮𝗹𝗲: Encountering invisible barriers that hinder your business growth, whether they are technological limitations, inefficient processes, or gaps in team expertise.

(𝗜𝗜𝗜) 𝗢𝗯𝘀𝗼𝗹𝗲𝘁𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆: Revamping your technology or product features to stay relevant may require significant resources and time. Focusing on business value helps you navigate these issues easier and faster.

(𝗜𝗩) 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗙𝗮𝗶𝗹𝘂𝗿𝗲 𝗼𝗿 𝗗𝗼𝘄𝗻𝘁𝗶𝗺𝗲: The alarming possibility that product failures impact not just your customers' operations but also your hard-earned reputation.

Addressing these challenges requires more than just hard work and determination. 

As a Fractional CTO and Product Growth Partner - I help companies to:

✅ Focus on company objectives and align your teams with your big goals - building the wrong thing fast doesn’t bring any value. Focusing on business value constantly is the priority.

✅ Accelerate delivery without compromising quality - the common myth is that this cannot be accomplished; the opposite is true.

✅ Honest communication, even if (especially if) the news is not good. The dynamic business environment needs constant adjustment. Keeping the communication flow open ensures the project focuses on the business value.

✅ Establish a practical timeline through effective project management - mismanagement is a primary cause of software project failures. Keeping all parties in sync, especially key stakeholders, is crucial.

🎯 𝗪𝗵𝗮𝘁 𝗺𝗮𝗸𝗲𝘀 𝗺𝗲 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁:

- I’m still in the trenches (I’m the CTO of Foundation.sk)
- 25+ years of experience in the software development space
- I’ve built software development teams from scratch for 10+ companies worldwide
- 3 of my clients’ companies were acquired by Medidata, Microsoft, and Autotask

Here’s what some of my clients say:

“Jozef and his team have been instrumental in turning our vision into reality, helping us grow confidently.” — Martin Frid-Nielsen, CEO of Soonr, Inc.

“Working with Jozef changed how we approach development, making our efforts more impactful and balanced.” — Janak Mehta, Web Traffic Guy, PREasy.com.

👉 𝗖𝗼𝗻𝗻𝗲𝗰𝘁 𝘄𝗶𝘁𝗵 𝗺𝗲:

Send me a DM or email to book a free strategy call.

𝗘𝗺𝗮𝗶𝗹:
jozef.antony@gmail.com

CTO as a Service

Tubi

Work on streaming video, video ad tech, and distributed systems at Tubi (tubi.tv), the #1 Ad-based Video On Demand (AVOD) streaming TV service in the US, part of Fox Entertainment. My visit to Fox Studio Lot in LA: https://lnkd.in/gWnvGiyb.

Fox bought Tubi in April 2020 for $440 million: https://bit.ly/2EV1s5v. Interview with Tubi CEO, "Why Fox bet $450 million on Tubi and free streaming": https://apple.co/327OIkH

I'm a main engineer on our Live TV (http://tubi.tv/live), streaming 300+ live TV news (https://bit.ly/3tOfJo7), sports (https://bit.ly/3tvp9Go), business, weather, and entertainment FAST channels.

Job description: boards.greenhouse.io/tubitv/jobs/5462127

With 100+ million downloads, we rank #2 of all Android apps in popularity, below Zoom and higher than TikTok! http://bit.ly/2OV0DP4. For entertainment apps, we rank #1 on Android and #7 on iOS.

Code in Elixir with OTP. Use RabbitMQ, FFmpeg, ffprobe, HTTP Live Streaming (HLS), SCTE-35, H.264, H.265 (HEVC), VAST, gRPC, protocol buffers, AWS (EC2, RDS, CloudFront, MediaLive, MediaPackage, Lambda, S3), Fastly, VCL, Terraform, Kubernetes, Datadog, SSAI (server-side ad insertion), Yospace, Sisense, Databricks

Tubi is like Netflix, but free and with ads. We have 97 million viewers/month and are 2% of all TV viewing in the US! We have more viewed hours than Peacock, HBO Max, Apple TV+, Roku, and Paramount+. We have 250,000 movies/TV shows and 70,000 hours of content from 450+ content partners like Fox, Disney/ABC, Warner Bros. Discovery + HBO, Paramount, MGM, Lionsgate, NBCUniversal, Sony Pictures.

Our engineering blog: https://code.tubitv.com
On getting my job: https://bit.ly/3nPQrVK

Senior Software Engineer (Elixir), Distributed Systems

PathCheck Foundation

On core software team of PathCheck.org, a non-profit building apps to give governments/hospitals privacy-first contact tracing for COVID-19! Started March 2020 by MIT CS Prof. Ramesh Raskar: https://lnkd.in/g2WkmQH

Worked on Scoring Service (github.com/Path-Check/Scoring-Service) for COVID Exposure Notification app.

Work with state health depts and major hospitals on exposure notification apps for their whole state. Launched COVID app in September 2020 in Guam and Minnesota.

First US apps on Google Apple Exposure Notification protocol (GAEN) rolling out in ‘coming weeks’: https://tcrn.ch/3glwyAy

I code in Golang for Aurora (https://lnkd.in/gJaairn), using the new GAEN protocol (https://lnkd.in/gTD2vN9).

GAEN "was built with your privacy/security central to the design. Your identity is NOT shared with other users, Google, or Apple": https://lnkd.in/gRYXpbG

- Video on GAEN: https://lnkd.in/gQiz3un
- FAQ on GAEN: https://bit.ly/2XgrBBG
- Demo of Aurora: https://lnkd.in/gpbyYjq

We build digital contact tracing/exposure notification tech. Work with national/state governments, Mayo Clinic, Massachusetts General Hospital, World Health Organization, MIT, Harvard, US Dept. of Health & Human Services.

We build free, open-source, privacy-first tools for COVID-19. We spun off PathCheck Foundation from MIT to help nations, states, employers build own custom solutions. We help manual contact tracers (exposure notification, case interviews and contact followup) with privacy preserving solutions. We give a modular framework that can be customized in 2 mobile apps: 

1. Aurora, based on Google-Apple Exposure Notification, using Bluetooth
2. PathCheck GPS, based on GPS location data.

We're ~50 full time volunteers and ~20 software engineers, working with dozens of countries/US states.

Senior Software Engineer (Golang)

Bird

At $2.8 billion e-scooter startup (http://www.bird.co) with $768 million funding. We got $350 million Series D funding from VC firms like Sequoia Capital; see our CEO talk about it: https://youtu.be/qrHRp6WrHwE. He also tells how he started Bird: https://youtu.be/wqWkAXJY_fw.

On the Vehicle Engineering team, which designs the scooters. Use: Golang, Kotlin, Redis, AWS, Kubernetes, Terraform, Kafka, Avro, Datadog, CAN bus (vehicle protocol).

Job description: https://bit.ly/334oMqE
- Build huge scale real-time IoT platforms to handle millions of connected devices.
- Respond to real-time scaling and operational challenges as Bird grows worldwide.
- Build high performance distributed systems.
- Work closely with various business partners (firmware team, core platform).
___________
14 Months, 120 Cities, $2 Billion: There's Never Been a Company Like Bird. Is the World Ready? http://bit.ly/3oTLt8v

"Bird might be the fastest-growing company ever," says Mark Suster, managing partner of Upfront Ventures, which invested in each funding round. "It could be the fastest-growing company to a billion-dollar run rate in history." In November 2018--just 14 months after its stealth launch--Bird's annual revenue run rate was well above $100 million. Bird also rose to unicorn status faster than any other startup, notching a $2 billion valuation in less than a year. Airbnb took nearly three years to reach a $1 billion valuation--and Uber needed four.

In the company's first 14 months, Birds landed in more than 120 cities, some small, like Russellville, Arkansas, and some large, like Los Angeles. They're in Paris, Antwerp, Tel Aviv, London, and Mexico City. There have been more than 10 million Bird rides.

Vehicle Platform Software Engineer (Golang)

sweetgreen

At $1.6 billion salad restaurant startup with $479 million funding. Built Sweetgreen 3.0 (https://on.wsj.com/2LysfWV), next generation platform for healthy "fast casual" food. Used Ruby/Rails, Node.js, Jest, Apollo GraphQL, React.js, Postgres, Serverless Framework, AWS Lambda/Cognito, Docker, JWT, Postman.

Built backend for touchscreen kiosk. Built order sequencing/throttle technology. Built JWT authentication and authorization. Extensively refactored backend code.

Job description: linkedin.com/jobs/view/874562218

How SG Became A $1 Billion Salad Startup: youtube.com/watch?v=vfDJQ_yJ6QA

- Inside the Unlikely Journey of Cult Salad Brand Sweetgreen: http://bit.ly/2LB8z4r
- From dorm room startup to the "Starbucks of salad": https://cnb.cx/2YbABJW
- How 3 men created a $1 billion salad chain: https://cnn.it/2GnaHIV

Sweetgreen has 97 restaurants in 8 states and 4,000 workers across the U.S. In Sept 2019, SG got $150 million more investment.

Why Sweetgreen thinks like a tech company: the most revolutionary thinking about the future of food + tech I've ever heard! http://bit.ly/30OAelY

"Our goal is to be a content creator + food platform, a full vertically integrated food system, from supply chain, production, content creation + ordering."

Senior Software Engineer (Full Stack Rails + Node.js)

Pluto TV

Paramount (ViacomCBS) bought Pluto TV for $340 million: variety.com/2019/digital/news/viacom-pluto-tv-acquisition-1203114773

Built backend infrastructure of world's biggest free Internet TV service! JavaScript (Node.js, ES6, Mongoose, Mocha, Jest), MongoDB, Redis, Docker, AWS Lambda, HTTP Live Streaming (HLS, adaptive bitrate, MPEG-2 Transport Streams), FFmpeg, server-side ad stitching, CloudFront.

Main engineer who built our video transcoding and closed captions (WebVTT, DFXP, SRT, etc).

Helped make Vizio Watch Free streaming TV service on 1000s of TVs nationwide: techcrunch.com/2018/08/01/vizio-launches-its-own-streaming-service-powered-by-pluto-tv/

Pluto TV (corporate.pluto.tv, en.wikipedia.org/wiki/Pluto_TV) is the leading free online television service, broadcasting 150+ live/VOD channels of TV shows, movies, and Internet videos.

22+ million viewers a month!

- 150+ Channels From CBSN To Food TV
- 1000’s of Free Movies & TV Shows
- Watch LIVE: News, Sports, etc
- Works on Roku, Amazon Fire, Laptops, iOS & Android

$52 million funding (crunchbase.com/organization/pluto-tv), with investors like: Samsung Ventures, Scripps Networks, US Venture Partners, Sky (Europe's biggest leading media company), Chicago Ventures, Universal Music Group, United Talent Agency, and Pritzker Group.

Top app with millions of users across platforms like web, iOS, Android, Roku, Apple TV, Amazon Fire TV, Android TV, Vizio, Samsung, etc.

One of LA's hottest startups and one of the leading video platforms in the industry -- often in NY Times, Forbes, Techcrunch, Variety, USA Today, CNN, Mashable, etc. corporate.pluto.tv/press

High energy culture. Passionate entrepreneurial team. Massive market. Employing the best of the best in the industry. We're building the future of television.

Senior Software Engineer, Infrastructure (Node.js)

iam+

Worked in Hollywood for pop star will.i.am's tech startup, iam+ (iamplus.com), on his smartwatch, the dial (iamplus.com/dial)! Our watch can make/accept phone calls WITHOUT an external phone. Supported worldwide launch of our watch in UK and Germany.

I created our Ruby on Rails APIs on back end, for both our smartwatch and our device setup website (https://dashboard.i.am). Ember.js on the front end. Used Rails::API, Postgres, Redis, RSpec, OAuth2, Puma, Pusher, Code Climate, Rubocop, WebMock, GeoIP, Nexmo, New Relic, Papertrail, Jira, Git-Flow, Sidekiq.

See Will's awesome 30-minute presentation on our product, with CEO of Deutsche Telekom! He also performs his song "Scream & Shout," which he did with Britney Spears, but with our intelligent voice assistant, AneedA! youtube.com/watch?v=QolTyyokmus

You can make phone calls, email, text, call an Uber, check Facebook/Twitter/Instagram, play music (stream any song you pick), take photos, track your physical exercise, etc. all from your wrist, by voice commands or with your fingers. You do this all with NO external phone. We partnered with Gucci to make this device fashionable. Our voice-powered operating system, AneedA, has a personality, uses machine learning, and is a platform for developers.

1. techradar.com/news/wearables/the-biggest-surprise-about-will-i-am-s-new-smartwatch-it-actually-looks-good-1315309
2. telegraph.co.uk/technology/2016/02/18/williams-new-attempt-at-tech-is-a-voice-activated-smartwatch/

See will.i.am doing amazing demo of version 1 of our device, in 2014: youtube.com/watch?v=_EONzgl9oFM

I'm passionate about software testing/TDD and only push code on GitHub if 100% of my tests pass!

Senior Software Engineer (Ruby on Rails)

Stack Builders

Worked on software consulting projects in Ruby, Rails, JavaScript, Haskell, and machine learning (Octave). The consulting firm is based in Manhattan and also has an office in Quito, Ecuador. 

- Created Crunch Scrape in Ruby. Pulls company data for a city from CrunchBase API, with full RSpec tests.
- Worked on machine learning project in Octave for real estate company. Learned tools by BigML for regression and classification problems. Gave 2 technical talks on machine learning. 
- Worked on Cornell alumni site.
- Worked on features/bugs for http://www.stackbuilders.com/ in Haskell. Helped company change entire site to Haskell, from HTML.
- Used Pivotal Tracker to create stories, estimate times, and track my progress on bugs and features.

Software Engineer

The Flatiron School

They only accept 5% of applicants: https://flatironschool.com/programs/nyc-software-engineering-immersive. Did 80+ projects.

Original project: Cherry, an online Ruby code editor and RSpec software tester. Built in Ruby on Rails, using JRuby and JRuby Sandbox to protect from malicious commands. Main action uses JavaScript, jQuery, and AJAX. Database is SQLite.

See my video demo of Cherry: youtube.com/watch?v=TcZBuZOj9TM

Month 1: Ruby fundamentals.
Month 2: Rails fundamentals.
Month 3: Original project(s). Learning JavaScript/jQuery/AJAX.

Met famous people in software, like David Heinemeier Hansson (creator of Ruby on Rails), John Resig (creator of jQuery), and Gregg Pollack (founder of Envy Labs and Code School).

Ruby on Rails Full-Stack Web Developer

Sentient Medical Systems

From 2009-2013, worked on 400+ surgeries at 50+ hospitals with 50+ surgeons in 7 states at Hanover Medical and Sentient Medical Systems.

Worked in operating rooms on back, neck, vascular, facial, and brain surgeries at hospitals in Los Angeles County, Orange County, Baltimore (Maryland), Ohio, Chicago, and Boston as part of surgical team. Protected spinal cord and nervous system while surgeons operated. Worked with orthopedic, vascular, and neurosurgeons. Took 14 business trips (7 to Baltimore, 6 to Ohio, and 2 to Chicago). 

Worked at 5 hospitals connected to Harvard Medical School and Tufts Medical School.

Surgical Neurophysiologist

The Princeton Review

Taught hundreds of college/high school students in Los Angeles/Boston/Silicon Valley, at tutoring companies like PV Tutors, Compass Education Group, Princeton Review, IvyMax, and ThinkTank Learning.

Subjects: math (from calculus down), college chemistry/physics/biology, English writing, SAT I (reading, writing, math), ACT (all sections), SAT II (physics/chemistry/biology), GRE, physical chemistry, and MCAT Chemistry.

Taught at Harvard and Boston University. Taught classes of 30 and one-on-one. Helped students raise grades from C's to A's, score 700s on SATs, and get into Ivy League schools.

College and High School Tutor

My Top LinkedIn Posts (for Jr Engineers): https://bit.ly/3A3g0tk
Stalking companies for jobs: https://bit.ly/3QUdxcK
My 5 LinkedIn articles: https://bit.ly/3tQrpcu
Stop believing 5 job search myths: 1) https://bit.ly/3IHSsev, 2) https://bit.ly/3RyVFTW

1. If you lack a STEM background + money, are getting rejected, and need a job ASAP, stop applying for software developer jobs!

Rejected for 100s of jobs https://bit.ly/3Fqo7l0
6 non-software developer jobs https://bit.ly/36shOjH
QA tests (Cypress) https://bit.ly/3x0bYPX

If you have 2-3 years of savings to stay unemployed as you study to be a software dev:

2. Do "Raymond's Bootcamp" instead of your bootcamp to stand out from hundreds of engineering applicants:

Who follows "Raymond's Bootcamp"? https://bit.ly/3q2Fykn
Raymond's Bootcamp https://bit.ly/3xxRyPY
Study software books https://bit.ly/3Eq8KZ5
Study LeetCode https://bit.ly/3M6RTwV

3. Build these projects to stand out:

John Crickett's Coding Challenges: https://bit.ly/3ECAiLL
Portfolios https://bit.ly/3zZZV6B
Build apps to shock engineers, not CRUD/React https://bit.ly/3Paj4rX
What software to build to get jobs? https://bit.ly/3QbAci6
How do I stand out? http://bit.ly/36AHVyY
Popular open source projects https://bit.ly/2yrMOPI
Relevant company projects http://bit.ly/2U3d9fv

4. Most coding bootcamps are lousy, with grads not ready to be even junior engineers. See my 2 posts on good vs bad bootcamps + the difference:

Coding Bootcamp FAQ https://bit.ly/3HO0QKY. Full FAQ: https://bit.ly/3bww51n

Launch School and 42 are 2 of few good ones I recommend. 
____
Elixir + OTP, Golang, Ruby, JavaScript
Streaming video: HLS, SCTE-35, SSAI, FFmpeg, ffprobe, H.264, H.265 (HEVC), CMAF for 4K streaming, VAST, Yospace

rayning@gmail.com
github.com/rayning0

14 yrs in software:
4 yrs Elixir
1 yr Golang
10 yr Git, TDD
8 yr AWS (EC2, RDS, CloudFront, MediaLive, MediaPackage, Lambda, S3)
7 yr Datadog
6 yr Ruby/Rails, Node
6 yr SQL, Redis, MongoDB, PostgreSQL
4 yr Docker
4 yr HLS, FFmpeg
3 yr Terraform, Kubernetes
2 yr Fastly, VCL
1 yr gRPC, protocol buffers

Sr Platform Engineer @ Tubi (part of Fox Entertainment). Was @ Bird, sweetgreen, Pluto TV, iam+, IBM. 4 yrs in spinal surgery. 8 yrs tutor for high school/college students.

BS chemical engineering (with applied physics) @ Berkeley.

My algorithm answers:
github.com/rayning0/ctci
Codility: https://bit.ly/3dZz11O
LeetCode: https://bit.ly/3bMd7h7
HackerRank: https://bit.ly/2ANrLYN
Graph algorithms: https://bit.ly/2Xfzq9N
50 Project Euler answers. Only 5.3% of 1 million people did it: https://bit.ly/2WMVBFe

taplio

The Battle

Jozef Antony

Raymond Gan

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