$360 / month
Start free, decide later
Juan Cruz is the Founder of Sourcemeta and a fractional CTO. He has more than 12 years of experience in software engineering and leadership across early-stage startups and mid-size companies, and he is an O'Reilly co-author and member of the JSON Schema Technical Steering Committee. He helps non-technical founders plan technical work, shape software architecture, and hire developers or agencies.
Based on 2 verified mentee reviews
Hey there! I'm an accomplished computer scientist and engineering leader with more than 12 years of experience mostly across early stage startups, and mid-size companies across industries that include APIs, Data, and Internet of Things. Right now I'm CTO at my own startup and do plenty of consultancy on my areas of expertise (high-performance software, data management, and JSON Schema).
FOR NON-TECHNICAL FOUNDERS: Are you looking to launch a startup but lack the necessary technical skills in your team? I can play a CTO role in our meetings, give you tons of advice and architecture help to get you going, and we can keep talking over time! We can create entire plans together and I can even help you hire developers and/or outsourcing agencies to do the work.
Some facts about me:
- I'm the co-author of the O'Reilly book "Unifying Business, Data, and Code: Designing Data Products with JSON Schema", which proposes that data quality is the main bottleneck for effective AI and teaches a practical methodology to think about and fix the data quality problem
- At the University of Oxford, I won the 2022 CAR Hoare prize for the best dissertation and accompanying papers in the area of Software Engineering for my research around JSON BinPack (https://jsonbinpack.sourcemeta.com) JSON BinPack made a breakthrough on 40 years of space-efficient telecommunication and binary serialisation technologies, being more space-efficient than 13 other popular technologies in every single tested case (https://arxiv.org/abs/2211.12799) I'm continuing to develop this technology for reducing satellite data transfer costs on Robotics, IoT, and Automotive
- I'm a member of the Technical Steering Committee of JSON Schema (https://json-schema.org) the world most popular schema language, which powers virtually every API specification such as OpenAPI, AsyncAPI, RAML, and others. I'm the key provider of commercial JSON Schema tooling at Sourcemeta (https://www.sourcemeta.com) and I also maintain the popular Learn JSON Schema website (https://www.learnjsonschema.com/2020-12/) I'm developing the world's fastest JSON Schema validator, providing nano-second validation for developing low-latency APIs
- I'm also a prolific open-source maintainer. I've been involved with projects like Node.js (as an architect behind their Single Executable Applications initiative), I created the popular Etcher IoT image flashing cross-platform desktop application (within the top 700 public repositories on GitHub), and now lead my own open-source foundation (https://www.sourcemeta.com)
5 out of 5 stars
Juan has been amazing, he goes over the top to help and I highly recommend him!
Standard Plan • 9 months
Juan Cruz Viotti’s personal website, which contains articles, research, videos, notes, and more
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In the modern symphony of business, each section-from the technical to the managerial-must play in harmony. Authors Ron Itelman and …
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You tell Juan Cruz your goals. They see exactly what you want to work on before session one.
You meet within days. Juan Cruz reviews your application and books your first session, usually within a day or two.
You leave with a plan. Concrete next steps and a weekly rhythm from your very first week.
Juan Cruz Viotti
Founder at Sourcemeta
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