Calin Constantinov in

Calin Constantinov

Sharpshooter · DISC type DC
Chief Scientist at LYS Labs
📍 Bucharest, Romania

Calin Constantinov is an Engineering Director and Chief Scientist with a PhD in Graph Data Analytics. He is an expert in Java, event-driven architecture, and graph databases like Neo4j, designing and leading teams to build low-latency data and AI systems. He holds multiple certifications in Neo4j and Knowledge Graphs.

He is a passionate advocate for graph technology, frequently speaking at tech conferences and contributing to the community in his hometown of Craiova, Romania. He actively shares his knowledge through talks, training sessions, and by supporting local charity events. He also shows an interest in public cybersecurity awareness.

As an early adopter, he gave one of the first-ever talks on Neo4j in Romania back in 2016, establishing himself as a long-time expert in the field.

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Experience
12 Years
Current Role
Chief Scientist
Location
Bucharest, Romania
Personality Overview

How Calin shows up

Rigorous & Demanding
Thorough Evaluator
ROI Driven

They are less concerned about the product and more about its potential impact. They like to stay in control of the negotiation or defining of the terms. They respond better to strong and respectful interactions.

Priorities

Topics Calin cares about

Knowledge Graphs & AI
He is a PhD, a certified Neo4j professional, and an advocate for KG-RAG (Knowledge Graph-Retrieval-Augmented Generation), with a focus on building advanced AI systems.
Event-Driven Systems
A self-proclaimed "huge fan" of Event-Driven Architecture, he has designed and architected multi-layer, event-driven data stacks for real-time intelligence platforms.
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Career

Work history

10-2024 - 2-2026
Chief Scientist
LYS Labs
11-2022 - 10-2024
Head of Development
Endava
7-2022 - 10-2022
Principal Development Consultant | Manager
Endava
3-2021 - 6-2022
Development Discipline Lead
Endava
4-2020 - 3-2021
Innovation Community Lead | Senior Development Consultant
Endava
In the press

Media appearances

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Education
2014 - 2020
Doctor of Philosophy (Ph.D.)
University of Craiova
2017 - 2017
ACM Recommender Systems (RecSys) Summer School
Free University of Bozen-Bolzano
Social presence
in
Behavioral profile

DISC profile (public)

D

Dominance (D)

Dominance (D) reflects how goal and task oriented a person is, and their ability to accomplish results irrespective of how demanding the circumstances might be. Those scoring high tend to be motivated by winning, competition, and success.

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