Analytics for securing your software

Trusted by security teams. Loved by developers.

Semmle believes security is a shared responsibility. Our mission is to secure all software by bringing the security and development communities together.


Combining expertise in the fields of databases, programming languages, data science and security, Semmle is making software truly searchable, allowing deep meaningful questions to be answered, and insights to be shared.


Our People

We believe the sky is the limit when people with different backgrounds and skill sets work as a team to solve big challenges. Guided by a strong strategic vision, our leadership team is committed to cultivating a strong company culture, unleashing the full potential of every member of the team, and making our customers and open source teams successful in creating secure and trustworthy code.

Oege De Moor

Co-founder & CEO (profile)

Julian Tibble

Co-founder & VP, LGTM Engineering (profile)

Pavel Avgustinov

Co-founder & VP, QL Engineering (profile)

Fermín Serna

Chief Security Officer (profile)

Ken Olofsen

VP of Marketing (profile)

Bas van Schaik

Head of Product (profile)

Christian Øhrgaard

Director of Strategy (profile)

John Lugton

Head of Customer Engineering (profile)

Niroshan Rajadurai

Director Sales and Field Engineering, EMEA (profile)

Sebastyan Zaborowski

Director Sales and Field Engineering, US East (profile)

Xavier René-Corail

Head of Developer Advocacy

Oege De Moor

Co-founder & CEO (profile)

Ping Li

Partner at Accel Partners (profile)

Vas Natarajan

Partner at Accel Partners (profile)

Kevin Comolli

Partner at Accel Partners (profile)

Kirk Bowman

Partner at Accel Partners (profile)

Andrei Brasoveanu

Principal at Accel (profile)

Stephan Murer

President of Murer Consulting LLC (profile)

Joseph Hall

President, Semmle Capital Partners, LLC (profile)

Howard Leach

President, Leach Capital, LLC (profile)



If you share our passion for software development, we’d like to talk to you. Don’t worry too much about experience, we believe raw talent matters most.

  • Work on technically interesting projects: compilers, query optimization and execution, developer tools & integrations, security research or LGTM to name just a few.

  • Make the most of our fluid company structure: you can experiment and move into new areas, finding the work that best suits you.

  • We have relaxed and quiet working environments, with flexible working hours and no dress code.

Our Locations


San Francisco (Headquarters)




New York







44 Montgomery St. Floor 3
San Francisco, CA 94104
United States

10400 NE 4th St
Bellevue, WA 98004
United States

110 Fifth Avenue
New York, NY 10011
United States

Blue Boar Court
9 Alfred Street
Oxford OX1 4EH
United Kingdom

Carrer del Governador Vell, 29
46003 València

Vendersgade 28, 1. th
DK-1363 Copenhagen K

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