Senior Data Scientist (Threat Intelligence team)

Our Threat Intelligence team is dedicated to providing accurate and timely information on potential threats to our products. Our team of skilled professionals from various fields, including Data Science, Malware Research, Development, and Privacy, are focused on achieving a common goal by utilizing feeds, heuristics, algorithms, and machine learning.

Main Responsibilities:

• Design solutions to problems while researching, debugging, and analyzing data using different data sources;
• Take ownership of projects from idea to completion, demonstrating the ability to oversee all aspects of the project lifecycle, including planning, execution, monitoring, and delivery;
• Create scalable & reliable code, as well as writing documentation for the parts that you’ve contributed to or explored;
• Research, develop & deliver data science solutions to production;
• Develops custom ML metrics that would help to monitor model performance;
• Analyze validation/testing results, explain them and improve model design accordingly;
• Plan the deliverables with the team members;
• Code reviews;
• Constant communication about the progress;
• Mentoring & knowledge sharing;
• Suggest improvements of current solutions.

Core Requirements:

• At least 3 years of experience of data science or mathematical modeling;
• Solid knowledge of statistics (e.g., Monte Carlo, hypothesis testing, bootstrap, Bayesian inference);
• In-depth knowledge and hands-on experience in machine learning algorithms: linear regression, random forest, gradient boosted trees, neural networks, k-means, etc.;
• Proficient in deep learning methodologies with a comprehensive understanding and extensive practical experience in their application;
• Proficiency in Python and hands-on experience of the PyData stack (e.g., Pandas, Numpy, MatPlotLib, Spark) for analytics/machine learning;
• Experience in cloud services ( we use AWS );
• Excellent problem-solving skills (researching, debugging, instrumentation);
• Ability to break down and prioritize work, make informed decisions about which tools and algorithms to use for specific problems;
• Willingness to explore, grow, and mentor others while keeping up with the latest innovations in data science.

Bonus Points For:

• Understanding of networking and internet protocols
• Ability to highlight potential problems in machine learning solutions at early stages
• Released & maintained machine learning services in production

Salary Range:

• Monthly gross salary from 17300-29800 PLN.

About Us

Nord Security is a global leader in internet privacy and security solutions and Lithuania’s second tech unicorn. Established in 2012, Nord Security now has more than 1400 employees and serves millions of users worldwide. Our team has a global mission to shape a more secure and peaceful online future for people everywhere. With that in mind, we built several advanced cybersecurity solutions: NordVPN, NordLayer, NordLocker, NordPass, NordProtect, NordStellar, and Saily.

NordVPN is the world’s most advanced VPN service provider, used by millions of internet users worldwide. NordVPN provides double VPN encryption and Onion Over VPN and guarantees privacy with zero tracking. One of the key features of the product is Threat Protection, which blocks malicious websites, malware, trackers, and ads. NordVPN is very user friendly, offers one of the best prices on the market, and has over 5,000 servers in 59 countries worldwide.

And we’re always looking to expand our team of:

• Future shapers

• Restless achievers

• Self-movers

• Honest communicators

• Team players

What We Offer:

• Access to Nord Security products. We build solutions used by millions of users worldwide, and you’ll get to experience our products firsthand, at no charge; 

• Professional growth. Internal and external events, online training, conferences, books - everything you need to reach full potential; 

• Health benefits. Private health insurance, sports access card, online workouts, consultations, programs to improve mental health to feel and be your best;

• Mental wellbeing. Access to mental health tools like Calm, Headspace, and Mindletic. Options for therapy to keep your emotional wellbeing in check; 

• Team spirit. Team buildings and parties with games, shows, tastings, food coupons, gifts, and it’s on us; 

• Additional paid leave. Additional days are covered by us in cases of illness or special occasions; 

• Flexibility. Flexible working time arrangement.