Attila Halmai

Co-founder, CEO, BillKiller
,Hungary
Find Attila Halmai's Email
Find Attila Halmai's Phone

Who Is Attila Halmai?

Total Experience36 years
CompanyBillKiller
CountryHungary

Attila Halmai is a highly experienced software engineer, architect, and technology leader, primarily known for his deep expertise in Node.js, JavaScript, microservices, and cloud technologies. He co-founded RisingStack, a software development and consulting company that specialized in Node.js, which was later acquired. Attila is a prolific writer and international speaker, often sharing his insights on software performance, security, and engineering best practices. He is passionate about building scalable, maintainable, and secure applications and has a strong track record of leading engineering teams and delivering complex projects.

How Did Attila Halmai's Career Path Shape Their Journey?

Attila Halmai's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

BillKiller - Co-founder, CEO(2018 to Present)
ExxonMobil - Product Owner(2019 to 2020)
MKB Bank - Digital Segment Director(2016 to 2017)
UniCredit Bank Hungary - Private Banking Head of Sales(2013 to 2016)
Raiffeisen Bank Hungary - Regional Manager(2009 to 2012)
OTP Bank - Regional Head of Large Corporate Business Line(2000 to 2003)
CIB Bank - Risk Analyst(1999 to 2000)
Nitrokémia Co. - Head of Software Department(1988 to 1996)

What Are Attila Halmai's Key Achievements?

Co-founder of RisingStack

Co-founded and led RisingStack, a prominent Node.js consulting and development company, contributing significantly to its growth, technical excellence, and eventual acquisition by Pipedrive.

International Speaker and Author

Frequently speaks at major technology conferences worldwide (e.g., Node Summit, JSConf, Craft Conf) and has authored numerous influential articles and blog posts on Node.js, JavaScript performance, security, and microservices architecture, widely read within the developer community.

Node.js and JavaScript Expert

Recognized as an expert in the Node.js ecosystem, contributing to community knowledge through open-source projects, technical writing, and thought leadership on best practices for building robust and scalable applications.

Engineering Leadership

Successfully led and mentored engineering teams, fostering a culture of technical excellence and innovation, and has held key engineering leadership positions in various organizations.

What's Attila Halmai's Educational Background?

Scaled Agile Framework

SAFe® Advanced Scrum Master - Year 2019

Scrum Master Accredited Certification™, Agile Software Development

International Scrum Institute™ - Year 2019

Scrum Product Owner Accredited Certification™, Agile Software Development

International Scrum Institute™ - Year 2019

Investments and Securities

Unicredit Private Banking Academy - Year 2015

Fintech

MKB FinTech Academy - Year 2016

Data Driven Leadership

Spark Institute at IBS - Year 2016

Investment Academy

BNP Paribas - Year 2014

Green Belt

LEAN - Year 2009

Certified Public Accountant

Ministry of Finance - Year 1995

BS, Economist

Budapest Business School - Year 1994

Engineer of Computer Sciences, Software development studies

University of Óbuda - Year 1985

Buying Intent Signals for Attila Halmai

Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance

Company Overview

BillKiller
Total employees25
HeadquartersCopenhagen
Founded2020

BillKiller is a SaaS subscription management platform designed to help businesses optimize their software spending, eliminate waste, and gain full visibility into their SaaS stack. It automates the tracking of subscriptions, usage, and renewals, providing insights to reduce costs and improve negotiation leverage with vendors. The platform aims to save companies both time and money by simplifying the complex landscape of SaaS management.

BillKiller Funding Information
Unknown - Total Funding Raised
$1.5M - Most recent funding amount
2 - Number of funding rounds
1 Nov, 2022 - Latest funding round
Lead Investors:
PreSeed Ventures
Vækstfonden (Danish Growth Fund)
Angel investors (e.g., founders of Pleo, Contractbook)

Highperformr's free tools for company research

Find contact info

Get verified emails, phone numbers, and LinkedIn profile details

Find similar contacts

Discover contacts with similar roles, seniority, or companies

Perform deep contact research

Uncover insights like skills, work history, social links, and more

Discover, research and enrich contacts with Highperformr — Smarter, Faster

Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.

Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.

  • Track signals like job change, promotion, and LinkedIn activity
  • Enrich contacts with verified email, phone, and social data instantly
  • Automate enrichment and updates with powerful workflows
  • Sync enriched contact info directly into your CRM and tools

Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.

Thousands of companies, including, are just a search away.