Go & Node.js & React expert. CTO & God level patient mentor with 20+ years of experience.

Hey there! I've been creating applications for 20+ years, and I love teaching. Your skill level is not important to me. You're a beginner, intermediate or expert developer. No problem. We all are junior developers for a lifetime, always learning. I can teach you how to pick up a new skill, or upgrade your existing skills or update you on the latest technologies. I would be delighted to mentor you also on how to develop yourself and your career, or the books you should read, the courses you should take, etc. If you're trying to create a product for your company or your startup, I can guide yo...

Full-Stack CEO, Lean Startup Consultant, Super Genius, Force of Nature

A leader. A brother. (Possibly) Your secret lover. Also referred to as “Who was *that*?” or “What just happened here?”, Justice Gray is what would happen if a professional wrestler and a computer scientist had a baby, that baby married a hurricane and they had a child named Justice. He is passionate about Lean Startup principles and ideals, and Agile like a vast, predatory bird. Most importantly, he is a builder who loves to build: building applications, building teams, building businesses and building dreams. When he's not saving the world one company at a time, he can be found espousing ...

Coding can be an art!

I'm a full-stack developer with 15+ years of experience in web application development and code mentoring. Are you stuck? Let me help!

Play Smart

I like solving problems and delivering results that make positive impacts. Testimonials and Profiles 5 star review profile on https://codeable.io/developers/paul-cohen/ – #1 Outsourcing Service For WordPress 5 star review profile on https://www.codementor.io/sonicviz – Live 1:1 expert mentor site 5 star review profile on Catalant.com – Top Business/MBA experts on demand I'm a business strategist, creative technologist, musician and a former world champion sport parachuting. Read more @ http://www.sonicviz.com/us/

Experienced CTO, full stack web & mobile engineer, problem solver, great communicator

Full stack mobile & web engineer having 15 years of experience. I'm a very effective communicator thanks to my experience of working with clients as a freelancer. Having been the CTO of 3 companies (two of them my own startups), I practiced code reviewing and mentoring a lot. As a result of working for 6 years at Nokia Research as a research engineer, then 3 years as a freelancer and also later on becoming the CTO of 3 companies, I'm very good at prototyping, figuring out the initial architecture for new services and general problem solving. The technologies I'm using in the past few years a...

C#, TDD, and and Clean Coding Expert with 18 Years Experience

I am an experienced, committed software engineer who continually seeks clean, elegant solutions to business challenges. My lifelong passion for technology drives me to proactively expand my horizons, constantly exploring and evaluating new languages, platforms, frameworks, tools, and best practices and applying them in my work to produce truly awesome results. I also believe that a fundamental prerequisite of highly successful teams is the open, honest interchange of ideas, feedback, and experience, culminating in an environment of personal and professional growth for all involved. It is ...

Software Development, Architecture and Team Management Consultant

Writing code since 1987 and developing professional software since 2003. Master Software Engineer (DePaul University, Chicago, USA) with a Bachelor of Science in Computer Science (McGill University, Montreal, Canada). Master Software Craftsman. Engineered deal personalization and subscription features for Groupon.com (serving 33MM+ users). Architected EarlyShares.com. Primary languages/skills: Ruby, Rails, JavaScript, Java SE/EE, Spring, TDD, Software Engineering, Software Architecture, Engineering Management, Agile Project Management, and Web/Desktop Development. Hobbies when not coding incl...

Keep it simple :)

As a self-taught programmer, I know overheads and trade-offs very well. In other words, I am very much a performance-aware person. My ultimate goal for each project I partake in is to build robust, scalable and cost-efficient codes. With more than 15 years of experience, I catch onto business rules quickly and am able to make formative suggestions. It’s a known fact that programming constantly evolves and will produces new tools. There will always be more to conquer but that is where the fun is. Solutions are easy to identify and implement when and only when meaningful conversations about cl...

Director of Software Engineering | JavaScript/React/Redux | PHP | HTML/CSS

Super friendly, approachable technology nerd with nearly 20 years of experience writing code. I'm quick at understanding new code and finding solutions to challenging problems. I've worked for a number of companies including Disney, Ramsey Solutions (Dave Ramsey), and Red Ventures. I hope you give me the chance to help you out!

Data and Software Engineer

Hello! I'm a data and software engineer with degrees in mathematics and economics. I co-founded Datata to help organizations be data-driven, and I was National Data Science Co-Champion for a contest organized by Mexico's Presidential Office in 2014. I wrote “R Programming by Example”, I'm currently working on CVEST, a project for cryptocurrency investing, and my current research interest is in distributed machine learning. You can contact me through my personal website. Personal website: https://otrenav.com CVEST, cryptocurrency investing platform: https://cvest.tech Datata, consulting and de...

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