Vasyl Vaskul

CTO / Expert Backend / Data / Security / Devops

Moves to Biarritz, Biarritz, Bayonne

  • 43.4805
  • -1.55727
  • Indicative rate €800 / day
  • Experience 7+ years
  • Response time 1h
Propose a project The project will only begin when you accept Vasyl's quote.

Availability not confirmed

Propose a project The project will only begin when you accept Vasyl's quote.

Location and geographical scope

Biarritz, France
Can work in your office at
  • Biarritz and 50km around
  • Biarritz and 100km around
  • Bayonne and 100km around



Stack Overflow

Stack Overflow : basilboli basilboli
  • 584 Reputation
  • 19 Bronze
  • 4 Silver
  • 1 Gold


  • Français

    Native or bilingual

  • Anglais

    Full professional proficiency

  • Ukrainien

    Native or bilingual

  • Russe

    Native or bilingual

Skills (12)

Vasyl in a few words

An independent IT consultant with focus on low-latency, high-performance, and high-availability services (Java, Scala, Golang).

A strong leader and motivator with profound understanding of business and technological patterns and how to bring idea from scratch to working Product.

Recent 10 years was part of top companies and startups in industries like Telecom, Banking, Cybersecurity, Sports and Marketing helping build technology stacks of tomorrow.

Have strong experience in building and leading international developer teams that get work done in time and budget.

Technology background:

- programming languages: Java, Scala, Golang, Python, JavaScript etc.
- client-side: HTML5, CSS, jQuery, Bootstrap, ReactJs etc.
- devops: Linux, Ubuntu, AWS, Docker, TCP/IP based networks and others
- databases: PostgreSQL, MySQL, Oracle, MongoDB and others
- java development: J2EE, Apache Tapestry, Hibernate, JAX-RS, EclipseLink etc.
- mobile development: IOS, Android, React Native

Some examples of recent projects:

- real-time high-availability mobile app importing health and fitness data from fitness trackers
- cybersecurity startup with large data clusters more than 100Tb disk; 10Tb RAM; hundreds of billions of indexed documents
- distributed bot scrapping framework running thousands of jobs in parallel



Health, Wellness & Fitness


Biarritz, France

April 2018 - April 2020

While not scaling infrastructure, coding, team building or reading stack traces you can find me surfing amazing notox boards somewhere in the coast


High Tech

BIG DATA Services Team Lead

April 2012 - March 2017

Development :
- Cloud infrastructure plumbing using docker and kubernetes
- High throughput data processing and streaming platform
- Distributed crawling platform
- Hadoop cluster tuning

- Managing Big Data Services team


High Tech

Lead Backend Engineer

Paris, France

March 2017 - April 2018

- Making bots life painful
- Development of backend services handling over 500 million hits per day
- Assuring low latency SLA for response time (3ms in percentile 99)


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