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Senior Backend Software Engineer (Security Team)

Local Measure

Local Measure

Software Engineering
Kraków, Poland
Posted on Dec 17, 2025

Job Description

Important things for you:

  • Salary range (contract of employment):

    • PLN 235,000.00 - 353,000.00

    • Annual bonus (Eligible for annual bonus depending on individual and company performance)

  • Hybrid work model: one day a week in the office

  • Additional Days-off - Recharge Friday (one day per quarter)

  • In-office perks - lunches, breakfasts, and massage sessions

Threat Prevention Engineering, a core pillar of the Cyber Defence Fusion Center at Zendesk, is a globally distributed team of passionate, motivated, & innovative security engineers. We understand how to build comprehensive and scalable security solutions and enjoy leveraging creative & innovative approaches to deliver the most effective and efficient security solutions. As a thriving and growing team, we have an opportunity for you, an experienced security engineer, to join us. If you are passionate about designing, developing, and implementing creative solutions from the ground up that solve real-world security problems, then this role could be a great next step in your career!

What you get to do every day:

  • Design, build, and implement advanced, cloud-based threat prevention solutions & infrastructure tailored to our SaaS environment, ensuring scalability, efficiency, and resilience.

  • Leverage your DevOps skillset to develop, implement, enhance, and manage both in-house and off-the-shelf security solutions.

  • Develop solutions that enable proactive defense of the Zendesk business using Go, Python, Java, and other coding languages.

  • Integrate various security tools and technologies to create a cohesive and effective threat prevention ecosystem.

  • Review projects to identify risks and suggest ways to manage those risks.

  • Analyze intricate problem statements and diverse use cases to develop & implement robust Cyber Security solutions that address our organizational needs.

  • Influence our partners to drive security control improvements throughout the business.

  • Collaborate with peer software engineering, IT, and compliance teams to integrate security best practices and advance our cybersecurity capabilities.

  • Evaluate and enhance existing security measures, staying abreast of the latest cybersecurity trends and technologies.

What you bring to the role:

  • A team first, collaborative approach.

  • The ability to influence other teams without direct authority.

  • Excellent problem-solving skills and self-motivation to learn and upskill regularly.

  • At least 5 years of experience in a security-relevant software or DevOps engineering role.

  • Experience operating and leveraging DevOps platforms such as Docker, Kubernetes, Teraform, & Ansible.

  • Experience leveraging data lake solutions, such as Snowflake, for cyber security use cases.

  • Wide ranging experience with enterprise security tools and technologies.

  • Programming experience involving real-world development.

  • Strong understanding of core AWS products and services—such as EC2, S3, Lambda, DynamoDB, ELB, IAM, and KMS—and the ability to apply them effectively when designing and implementing solutions.

  • Strong written and verbal communication skills to complete an ability to work in a global, asynchronous manner.

  • Excellent analytical and problem-solving skills with a capability to innovate and create custom solutions.

Nice to have:

  • AWS certifications or other cloud based certifications.

  • Security certifications such as SABSA, CISSP, GSEC, GWEB, GPEN, OSCP, CEH, CCSP, etc.

  • Involvement in local or regional security user groups or conferences.

  • Experience with ML models, LLM prompt engineering, MCP servers, and leveraging modern AI solutions to help solve security problems.

#LI-DF4

The Poland annualized base salary range for this position is zł235,000.00-zł353,000.00. Please note that while the salary range represents the minimum and maximum base salary rate for this position, the actual compensation offered will be based on job related capabilities, applicable experience, and other relevant factors. This position may also be eligible for bonus, benefits, or related incentives that will be communicated during the offer stage.

Hybrid: In this role, our hybrid experience is designed at the team level to give you a rich onsite experience packed with connection, collaboration, learning, and celebration - while also giving you flexibility to work remotely for part of the week. This role must attend our local office for part of the week. The specific in-office schedule is to be determined by the hiring manager.

The intelligent heart of customer experience

Zendesk software was built to bring a sense of calm to the chaotic world of customer service. Today we power billions of conversations with brands you know and love.

Zendesk believes in offering our people a fulfilling and inclusive experience. Our hybrid way of working, enables us to purposefully come together in person, at one of our many Zendesk offices around the world, to connect, collaborate and learn whilst also giving our people the flexibility to work remotely for part of the week.

As part of our commitment to fairness and transparency, we inform all applicants that artificial intelligence (AI) or automated decision systems may be used to screen or evaluate applications for this position, in accordance with Company guidelines and applicable law.

Zendesk is an equal opportunity employer, and we’re proud of our ongoing efforts to foster global diversity, equity, & inclusion in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law, please click here.

Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please send an e-mail to peopleandplaces@zendesk.com with your specific accommodation request.