Data Engineer | Senior | Threat Intelligence | Poland remote

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, build, and manage scalable data pipelines using Python, SQL, and PySpark.
• Develop and maintain lakehouse architectures, with hands-on use of Apache Hudi for data versioning, upserts, and compaction.
• Implement efficient ETL/ELT processes for both batch and real-time data ingestion.
• Optimize data storage and query performance across large datasets (partitioning, indexing, compaction).
• Ensure data quality, governance, and lineage, integrating validation and monitoring into pipelines.
• Work with cloud-native services (preferably AWS – S3, Athena, EMR) to support modern data workflows.
• Collaborate closely with data scientists, analysts, and platform engineers to deliver reliable data infrastructure

Core Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 2+ years of experience as a Data Engineer, working with large-scale distributed systems.
• Proven expertise in Lakehouse architecture and Apache Hudi in production environments.
• Experience with Airflow, Kafka, or streaming data pipelines.
• Strong programming skills in Python and PySpark.
• Comfortable working in a cloud-based environment (preferably AWS).
• Strong communication and collaboration skills.

Nice To Have:
• Knowledge of CI/CD, Infrastructure as Code (IaC) like Terraform.
• Exposure to data cataloging tools (e.g., Glue Data Catalog, Amundsen).
• Interest or experience in cybersecurity or secure data design.

Salary Range

• Gross Salary 22900-29900 PLN/Month.

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;• Professional growth. Internal and external events, online training, conferences, books - everything you need to reach full potential;• Health benefits. Private health insurance, online and on-site workouts, consultations 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;• More free time. Stay with us and additional vacation days will be added to your calendar;• Additional paid leave. Additional days are covered by us in cases of illness or special occasions;• Flexibility. Flexible working time arrangement.
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