Welcome to Sylvain's freelance profile!

Malt gives you access to the best freelancers for your projects. Contact Sylvain to discuss your project or search for other similar profiles on Malt.

Sylvain Kalache

Tech Startup Content Strategy

Moves to San Francisco

  • 37.779
  • -122.42
Propose a project The project will only begin when you accept Sylvain's quote.
Propose a project The project will only begin when you accept Sylvain's quote.

Location and geographical scope

San Francisco, United States of America
Can work in your office at
  • San Francisco and 50km around


Project length
Would prefer:
  • Between 1-3 months
  • Between 3-6 months
  • ≥ 6 months
Would prefer avoiding:
≤ 1 week
Business sector
Would prefer:
  • Education & E-learning
  • High Tech
  • Internet of Things
  • Telecommunications
  • Press & Media
Would prefer avoiding:
  • Chemical
  • Defense & Military
  • Medical field
  • Pharmaceuticals
Company size
Would prefer:
  • 1 person
  • 2 - 10 people
  • 11 - 49 people
  • 50 - 249 people
Would prefer avoiding:
  • 1000 - 4999 people
  • ≥ 5000 people





Skills (9)

Sylvain in a few words

I help tech startups and founders to develop their storytelling and content strategy. I focus on English content with coverage in US tech publications.

I am an Entrepreneur and a Software Engineer who has worked in the tech industry for more than a decade. I am currently living in San Francisco.

Formerly co-founder of Holberton, an education startup training the next generation of software engineers in over 15 countries, hired by top the world's top tech companies like Google, Tesla, Apple, LinkedIn, and Veepee. Before that, I worked in system administration for small and large companies such as Slideshare and LinkedIn. I also co-founded while42, which became the world's largest community of french developers.

I write about tech, entrepreneurship, and workforce development. You can find some of my stories on TechCrunch, VentureBeat, Forbes, and TheNewStack.



High Tech

Senior Site Reliability Engineer

San Francisco, United States of America

May 2012 - April 2015

Managed SlideShare Cloud infrastructure processing more than 3 billion slide views per month.


Education & E-learning


San Francisco, United States of America

May 2015 - February 2021

Co-founded Holberton. An education company training the next generation of digital talent at scale. Holberton educates thousands of students in over 15 countries, hired by the best tech companies like Google, Rappi, Tesla, Apple, and NASA.

Among many other things, I was heading public communication for Holberton that got hundreds of press coverage over the years.

External recommendations

Check out Sylvain's recommendations