About us
An agency built by engineers, for people who build things
We started Kestrel because we wanted to work with clients as partners, not as ticket queues. Twelve years later, that is still the idea.
140+
projects delivered
12
years in business
58
engineers and designers
97%
client retention rate
Our values
What we believe in
Honesty over comfort
We tell you what you need to hear, even when it isn't what you want to hear.
Small teams, big ownership
Every project is run by people who care about the outcome, not just the hours.
Leave it better
We document, test and teach, so your product is in better shape when we leave.
Sustainable pace
Tired people make bad software. We protect our team's evenings and weekends.
Leadership
Meet the team
A few of the 58 people who make Kestrel what it is.
Eszter Nagy
Co-founder & CEO
Former engineering lead at two unicorns. Believes the best software is built by small, happy teams.
Lukas Brandt
Co-founder & CTO
Has been writing code since he was eleven. Still reviews every architecture proposal personally.
Sofia Martínez
Head of Design
Leads our design practice with a focus on research, accessibility and the occasional pixel-perfect detail.
Daniel Okafor
Head of Cloud
Certified on three cloud platforms and allergic to manual deployments.
Hannah Lee
Lead Data Scientist
Turns messy spreadsheets into models that make money. Holds a PhD in applied statistics.
Bence Tóth
Security Lead
Ethical hacker who has found vulnerabilities in banks, airlines and at least one smart fridge.
Our story
Twelve years in five moments
Eszter and Lukas start Kestrel in a shared office above a bakery in Budapest.
We open our Berlin studio and welcome our twentieth team member.
The whole company goes remote-first — and decides to stay that way.
Our Austin office opens to serve clients across North America.
We celebrate our 140th launched project and our twelfth birthday.
Offices
Where to find us
Budapest
Andrássy út 61, 1062 Budapest, Hungary
Monday to Friday, 9:00 AM – 6:00 PM (CET)
Berlin
Torstraße 140, 10119 Berlin, Germany
Monday to Friday, 9:00 AM – 6:00 PM (CET)
Austin
1100 Congress Avenue, Austin, TX 78701, USA
Monday to Friday, 8:00 AM – 5:00 PM (CST)
Have a project in mind?
Tell us what you are building. We will get back to you within one business day with honest feedback and a rough estimate — free of charge.