🚀 CUJO AI® is a leader in artificial intelligence solutions for network service providers. We use machine learning and real-world data to develop cybersecurity, device intelligence, network intelligence, and parental control solutions that make internet connections safer for millions of homes.
About the Role
We are looking for a Senior Data Scientist to join our team in Hungary.
You will be responsible for developing algorithms, implementing tooling, and analyzing company data to improve our product portfolio on the market, and make our daily operations easier. Data scientists must have good problem-solving skills and are comfortable working with large data sets. An ideal candidate also has a passion to implement their algorithms in production which needs some skills in development.
In This Role, You Will:
- Work with various teams throughout the company to identify opportunities to improve our services.
- Present research outcomes to stakeholders while making their business decisions easier.
- Collaborate with different functional teams and help to move ideas from labs to production.
- Analyze company data and identify suspicious anomalies and failures.
- Develop processes and tools to measure the performance of our algorithms.
What We’re Looking For:
- Strong problem-solving skills with an emphasis on product development.
- Expert in coding in Python language with multiple years of experience.
- Experience creating and using advanced machine learning algorithms and statistics: regression, clustering, decision trees, neural networks, etc.
- Experience querying databases in SQL language.
- Good written and verbal communication skills for cross-functional team collaborations and presentations.
- Experience/Interest in developing tools in AWS (Amazon Web Service) ecosystem.
Why Join CUJO AI?
- Flexible Work – Hybrid and remote arrangements are available, provided the candidate is located in Hungary.
- Team Gatherings – Annual company-wide kickoff events and ongoing team activities.
- Career Growth – Training bonuses for AWS certifications and other learning opportunities.
- Performance Bonuses – Company-wide annual bonus program.
- Referral Rewards – Earn up to €1,000 for referring new hires.
The compensation package for this role is from 5500 EUR to 7500 EUR (gross), depending on your experience.
At CUJO AI, we’re not just building technology—we’re shaping the future of secure and intelligent connectivity. If you're a driven engineer who thrives in dynamic environments and loves building impactful systems, we'd love to hear from you.
📅 Apply by October 4, 2026 – but don’t wait! We’ll hire as soon as we find the right person.
📩 Apply via our recruitment portal. Questions? Email us at [email protected].
Skills Required
- Strong problem-solving skills focused on product development
- Expert Python coding skills with multiple years of experience
- Experience developing and applying advanced machine learning algorithms and statistical methods
- Experience with regression, clustering, decision trees, and neural networks
- Experience querying databases using SQL
- Good written and verbal communication skills
- Experience or interest in developing tools in the AWS ecosystem
What We Do
CUJO AI is the global leader of cutting-edge cybersecurity and network intelligence solutions that enable network operators globally to improve the digital life protection of their customers in and outside the home. By pioneering AI-powered cybersecurity and empowering a growing ecosystem of OEM partners, CUJO AI helps major ISPs around the world to protect their subscribers. Mobile and fixed network operators use our holistic capabilities to improve their customer value proposition, monetize their networks, and reduce operating complexity and costs. The CUJO AI Platform powers a suite of services for home network security, advanced parental controls and profile-based content blocking, as well as privacy protection. CUJO AI has reached an unprecedented scale on production networks, firmly establishing its market leadership for Digital Life Protection (DLP) services. CUJO AI secures over 40 million households and more than 1 billion devices. Our largest clients include Charter Communications and Comcast in the United States, and TELUS in Canada. More information is available at https://cujo.com/
