We’re a B2B SaaS company based in Vilnius, Lithuania developing industry leading web data gathering solutions.  Our team of 500+ professionals builds cutting-edge web data gathering solutions used by global businesses, including Fortune 500 companies. Born out of the Tesonet business accelerator alongside NordVPN and Surfshark, we’ve been growing steadily for 9 years — and there’s more to come. With 3500+ clients worldwide and a portfolio of 100+ tech patents, we’re on the run for continuous engineering excellence and innovation. What’s in store for you: In this fully remote position, you’ll be developing complex products and working with an infrastructure processing petabytes of data. Expect challenges that will elevate your expertise, loads of ownership, the latest tech stack, and effective collaboration with a large team of engineering professionals. Your day-to-day:

Be part of the Platform team, contributing to the design, building, and operation of a private cloud infrastructure from the ground up.

Proactively analyze and optimize infrastructure for performance, scalability, and reliability.

Own projects and drive them to completion when assigned, while also participating in and supporting other team members' projects as needed.

Maintain and improve our technology and infrastructure stack.

Your skills & experience:

Advanced to expert-level proficiency in Linux system internals, including kernel tuning, CPU/memory optimization, and networking.

Knowledge of networking (BGP, routing, load balancing, VPN, firewalls).

Strong expertise in Kubernetes, containerization and virtualization technologies.

Experience with distributed storage systems (Ceph) or similar.

Hands-on experience with automated provisioning for physical infrastructure.

Strong skills in CI/CD, automation (Terraform, Ansible) and programming (Python, Bash, Go).

Experience with observability and troubleshooting at scale (Prometheus, Thanos, OTLP).

Experience provisioning, managing and optimizing databases like ClickHouse, MySQL, Postgres.

Proven ability to design and implement resilient, scalable IT solutions.

Track record of successful project delivery—including ownership of initiatives, delegation of tasks, and mentoring teammates to drive overall success.

Salary:

Gross salary: 23000 - 30000 PLN/month. Keep in mind that we are open to discuss a different salary based on your skills and competencies.