Jerguš Lejko
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Jerguš Lejko Email & Phone Number

Co-Founder and CTO at TopK
Location: Prague, Czechia, Czech Republic 9 work roles 3 schools
1 work email found @topk.io LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email j****@topk.io
LinkedIn Profile matched
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Current company
Role
Co-Founder and CTO
Location
Prague, Czechia, Czech Republic
Company size

Who is Jerguš Lejko? Overview

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Quick answer

Jerguš Lejko is listed as Co-Founder and CTO at TopK, a company with 9 employees, based in Prague, Czechia, Czech Republic. AeroLeads shows a work email signal at topk.io and a matched LinkedIn profile for Jerguš Lejko.

Jerguš Lejko previously worked as Founder at Stealth and Staff Software Engineer at Pinecone. Jerguš Lejko holds Bachelor Of Science - Bs, Computer Science, First from University Of Bristol.

Company email context

Email format at TopK

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*@topk.io
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AeroLeads found 1 current-domain work email signal for Jerguš Lejko. Compare company email patterns before reaching out.

Profile bio

About Jerguš Lejko

I've worked in web development, full-stack, distributed systems, and infra/devops. My focus has been on improving developer tools and the overall experience. I regularly use Kubernetes, Python, and JavaScript/Typescript, Postgres, Kafka.Always happy to chat.

Current workplace

Jerguš Lejko's current company

Company context helps verify the profile and gives searchers a useful next step.

TopK
Topk
Co-Founder and CTO
San Francisco, CA, US
Website
Employees
9
AeroLeads page
9 roles

Jerguš Lejko work experience

A career timeline built from the work history available for this profile.

Co-Founder And Cto

San Francisco, CA, US

Founder

Current

Pushing state-of-the-art, one container at a time.

Nov 2024 - Present

Staff Software Engineer

Sep 2024 - Nov 2024

Senior Software Engineer

Nov 2023 - Aug 2024

Software Engineer

Prague, Czechia

At Macromo, I contribute to providing technical leadership and support to a development team, focusing on infrastructure and platform development for bioinformatics. My role involves building an internal developer platform tailored to the unique needs of the bioinformatics team. They work extensively with sensitive health data, and their data processing.

Jun 2023 - Oct 2023

Software Engineer

Prague, Czech Republic

At Parrot, I had a diverse range of roles that kept things exciting. I started as a regular developer, working on web development projects. But I'm not one to stand still. I dove into distributed systems and DevOps, expanding my skills and helping improve our infrastructure.As the company grew, so did my role. I stepped into an Engineering Manager.

Jun 2020 - Mar 2023

Lead Software Engineer

Slovakia

At Contractool, I served as Lead Software Engineer for nearly three years, leading the development of a comprehensive contract management system using technologies like Laravel (backend), Angular (frontend), and React (later transitioned). This software continues to drive the company's success six years later. I focused on crafting versatile and.

Nov 2017 - Jun 2020

Frontend Engineer

Codefire

Southampton, United Kingdom

At Codefire, I worked as a frontend engineer while I was in university. I focused on implementing an application for port (ships) management. It was a short but valuable experience in my journey.

Nov 2016 - Jun 2017

Software Engineer

Slovakia

At KBS, I started my career journey as a full-stack developer while still in high school. During my two years there, I worked with technologies like Laravel (PHP), Vue.js, and Angular. I had the opportunity to contribute to various projects, from event management to flight booking systems. It was a great learning experience that set the stage for my future.

May 2015 - Mar 2017
3 education records

Jerguš Lejko education

Informačné Technológie, Iii

Spše Prešov
FAQ

Frequently asked questions about Jerguš Lejko

Quick answers generated from the profile data available on this page.

What company does Jerguš Lejko work for?

Jerguš Lejko works for TopK.

What is Jerguš Lejko's role at TopK?

Jerguš Lejko is listed as Co-Founder and CTO at TopK.

What is Jerguš Lejko's email address?

AeroLeads has found 1 work email signal at @topk.io for Jerguš Lejko at TopK.

Where is Jerguš Lejko based?

Jerguš Lejko is based in Prague, Czechia, Czech Republic while working with TopK.

What companies has Jerguš Lejko worked for?

Jerguš Lejko has worked for Topk, Stealth, Pinecone, Macromo, and Parrot.

How can I contact Jerguš Lejko?

You can use AeroLeads to view verified contact signals for Jerguš Lejko at TopK, including work email, phone, and LinkedIn data when available.

What schools did Jerguš Lejko attend?

Jerguš Lejko holds Bachelor Of Science - Bs, Computer Science, First from University Of Bristol.

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