Senior Data Engineer, Data Platform

Location: CUJO AI Lithuania, Kaunas Hybrid (LT)

Experience Level: Senior

Description

🚀 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 Engineer to join our Data Platform team.

Your primary focus will be designing, developing, and operating the products that enable data analytics across the organization and all its customers. We mainly work with cloud-native solutions (AWS) and bleeding-edge technology.

In This Role, You Will: 

• Work together with CUJO AI specialists to improve the quality of our operations.
• Design, develop and operate systems for processing high-volume data sets and streams.
• Orchestrate micro-services, containers, and large-scale data pipelines.
• Contribute to company-wide practices for effectively and securely designing, developing and operating our services.

Requirements

What We’re Looking For:

• Experience with cloud services.
• Troubleshooting experience.
• Understanding of distributed storage platforms (Object Storage, SQL & NoSQL, ...).
• Experience with CI/CD pipelines (Jenkins, GitHub Actions, ...).
• Strong communication and collaboration skills in real and virtual setups.
• Documentation skills (processes, diagrams, technical designs).
• Experience with Agile Development Methodologies.
• Passion for software development and engineering.
• Hands-on and can-do attitude.
• Strong verbal and written communication skills in English for effective communication with our international team.

What Will Make You Stand Out:

• Experience with IaC tools such as AWS CloudFormation and HashiCorp Terraform.
• Experience with streaming platforms (Apache Kafka, ...).
• Experience with data transformation platforms (Apache Spark, Apache Flink, ...).
• Experience with data analytics and search engines (ElasticSearch, PrestoDB, ...).
• Experience in systems monitoring and performance optimization.

Why Join CUJO AI?

• Flexible Work – Hybrid work model with flexible hours.
• Modern Equipment – Top-of-the-line development tools to do your best work.
• Career Growth – Conferences, training, books, and anything else you need to keep developing.
• Performance Bonuses – Company-wide annual bonus program.
• Referral Rewards – Earn up to €1,000 for referring new hires.
• Meaningful Work – Help make the internet safer for millions of people around the world.

The compensation package is from €5,000 to €6,000 (gross), depending on your experience. We are focused on finding the right person for this role and are open to discussing salary expectations based on your skills, competencies, and experience.

At CUJO AI, we value innovation, collaboration, and continuous improvement. Join us and work on technology that makes the internet safer!

📅 Apply by November 8, 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 careers@cujo.com.