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Cybersecurity Senior Software Engineer @ ESET
  • Kraków
Cybersecurity Senior Software Engineer @ ESET
Kraków, Kraków, Lesser Poland Voivodeship, Polska
ESET
27. 1. 2026
Informacje o stanowisku

? you can work on-site or in a hybrid mode

Cybersecurity Senior Software Engineer is a role that combines high quality C++ programming skills, design of efficient algorithms, application of reverse code engineering techniques and binary format analysis. As a member of team, you will be involved in development of one of core modules of antivirus scanner. 

You will have the possibility to learn what methods are being used by attackers to foil cybersecurity software solutions. You will design and implement countermeasures, which are later deployed on millions of computers.

At ESET, diversity, equity, and inclusion (DEI) are integral to our corporate culture. We are a proud signatory and ambassador of the Diversity Charter.* We believe in creating a respectful environment, where everyone feels valued and respected, welcoming applications from individuals of all backgrounds, including race, gender, age, religion, disability, and sexual orientation.



We are looking for software engineer with at least 5 years of experience in production grade C++.  If you have previous experience with reverse engineering and/or analysis of binary file formats, it will be great advantage.  You do not need to have any degree to work with us, but we want you to showcase your projects related to programming. We work in international teams, so we require you to have a good knowledge of English.

? you can work on-site or in a hybrid mode

Cybersecurity Senior Software Engineer is a role that combines high quality C++ programming skills, design of efficient algorithms, application of reverse code engineering techniques and binary format analysis. As a member of team, you will be involved in development of one of core modules of antivirus scanner. 

You will have the possibility to learn what methods are being used by attackers to foil cybersecurity software solutions. You will design and implement countermeasures, which are later deployed on millions of computers.

At ESET, diversity, equity, and inclusion (DEI) are integral to our corporate culture. We are a proud signatory and ambassador of the Diversity Charter.* We believe in creating a respectful environment, where everyone feels valued and respected, welcoming applications from individuals of all backgrounds, including race, gender, age, religion, disability, and sexual orientation.


,[creating algorithms, that can effectively process various file formats, often proprietary with no documentation available. , analysis of open-source code as well as compiled executables, in order to adjust scanner capabilities to unpack or decode data, which can be later processed by other detection components. You will face various challenges and real world examples, how cybercriminals try to attack computer users and systems. Your input will have actual impact on enhancing security around the globe., not only programming, in clean and safe C++, but also working with documentation of archive formats or performing reverse engineering on them. Knowledge of analysis techniques is welcome but not required - we have well established know-how and team of professionals, who can share their knowledge and help you improve your skills in the cybersecurity area. Requirements: C++, Python, Jira, Git, Bitbucket, Confluence, IDA, OllyDbg, Reverse Engineering Tools: Jira, Confluence, Bitbucket, GIT, Jenkins. Additionally: Sport subscription, Training budget, Private healthcare, Lunch card, Small teams, International projects, Marriage allowance, Childbirth allowance, Parental benefit, Loyalty allowance, Sickdays, Free coffee, Canteen, Bike parking, Playroom, Shower, Free snacks, Free beverages, Free parking, In-house trainings, Modern office, No dress code, massage chairs.

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