Backend/Systems Engineer


We are looking for an awesome Backend/Systems Engineer who will help us accelerate development of our cybersecurity solution. Our solution consists of two parts - cyber deception - there are honeypots, exploit tagging, research, network tricks and more and customer facing part - with data enrichment, Kafka streaming and python backend that serves our customers.


  • Python, REST API, production-grade software
  • Kafka Streaming and Processing (ByteWax or Apache Beam)
  • Columnural DBs - Apache Druid / ClickHouse
  • Networking - L2/L3/L7

Bonus Points

  • Knowledge of networking, iptables, nftables
  • Suricata / Zeek
  • Wireshark
  • Honeypot development / CVE detection
  • IaaS - Ansible & Terraform
  • Container - Docker & k8s
CV / Resume
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Pay range

90 000 - 140 000 CZK


Czech Republic, Prague

Weekly hours

40 hours/week

On-site / Hybrid

Meet our Employee RSU Program

Join ELLIO Technology and be part of a company that values your contributions and believes in the power of shared success. That's why we offer a competitive Restricted Stock Unit (RSU) program to all our team members. During salary negotiations, we provide the flexibility to choose between a higher salary with fewer RSUs or a lower salary with more RSUs, empowering you to tailor your compensation package to your preferences and financial goals.

RSU vesting period

Our RSU program features a 3-year vesting period with a 1-year cliff, ensuring that our employees are invested in the future of the company and rewarded for their dedication and commitment. By granting RSUs, we create a sense of ownership and a shared vision for success, fostering a strong bond between our team members and the organization.

Empowering your growth with industry-leading certifications

At ELLIO, we understand the importance of continuous learning and staying up-to-date with industry trends and best practices. That's why we offer a variety of certification opportunities tailored to your role, empowering you to enhance your skills and expertise in your chosen field.

Depending on your position, we provide support for obtaining prestigious certifications such as:

  • Microsoft Certified: Azure Developer Associate
  • Google Cloud: Professional Cloud Architect
  • AWS Certified Developer - Associate
  • Red Hat Certified Engineer (RHCE)
  • Offensive Security Certified Professional (OSCP)
  • PRINCE2 Practitioner
  • Human-Computer Interaction (HCI): User Experience (UX)
  • MikroTik Certified Routing Engineer (MTCRE)
  • MikroTik Certified Security Engineer (MTCSE)

Our commitment to your professional development extends beyond our internal training programs, as we also sponsor and encourage employees to pursue industry-recognized certificates that will advance their careers. In some cases, obtaining a specific certification is linked to promotions; for example, mid-level Security Researchers are required to acquire the OSCP certification, which is fully funded by the company.

We prefer to use no-nonsense tools

We have carefully selected a suite of no-nonsense tools that streamline our workflows and enable seamless communication, development, and virtualization. We use Slack for effortless team communication, Google Meet for efficient videoconferencing and meetings, and GitLab for version control and collaboration on software development projects. Our virtualization is powered by XCP-ng, and our networking solutions feature a combination of pfSense, MikroTik, and UniFi to ensure optimal performance.

To enhance your work experience, we equip our employees with MacBook Pro laptops as standard, but if you prefer, we can also provide a Linux-based laptop / desktop.

At ELLIO, we value innovation and are always open to new ideas. Think we're doing something wrong and you know a better tool? Great, apply now and show us how it's done!

ELLIO Technology s.r.o. kindly requests that unsolicited headhunter and agency resumes not be submitted. We will not pay any fees to third-party agencies or companies lacking a signed agreement with ELLIO Technology s.r.o. Please note that ELLIO Technology s.r.o. does not engage the services of third-party agencies and will not respond to unsolicited inquiries or proposals.