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Security Engineer | Mid-Senior
  • Warsaw
Security Engineer | Mid-Senior
Warszawa, Warsaw, Masovian Voivodeship, Polska
nexos.ai
13. 11. 2025
Informacje o stanowisku

Overview

4 days ago Be among the first 25 applicants

Join the AI revolution by contributing to our teams mission - helping businesses efficiently deploy AI at scale. With us, youll be building distributed systems, designing reliable and adaptive solutions, and writing code that shapes the future of how AI is used.

Responsibilities

  • Secure AI systems, backend applications, networking components, and crypto services. White, grey box or black box – you name it!
  • Show your reverse engineering skills on finding bugs in cutting-edge security solutions;
  • Design and create solutions to complex security issues from scratch;
  • Develop scripts, security automation tools to enhance penetration testing processes;
  • Closely collaborate with backend application developers and other tech geeks to validate, assess, understand the root cause and mitigate vulnerabilities;
  • Spread your security knowledge with hundreds of your colleagues!

Qualifications

  • Experience with securing large language models (LLMs), generative AI, or ML pipelines;
  • Proven experience in application security assessment planning, testing, and vulnerability reporting;
  • Proficiency using security scanners, static code analyzers, and debuggers;
  • Networking knowledge, SSL/TLS knowledge, ability to explain what ciphers, PFS, keys, PKI, certificates are and what they do;
  • Demonstrated ability to perform manual security code audit;
  • Previous experience with fuzzing, reverse engineering, and exploit development;
  • Experience working with application developers to validate, assess, understand the root cause and mitigate vulnerabilities;
  • Experience integrating security practices into the Secure Software Development Lifecycle (SSDLC) — including code reviews, threat modeling, and security testing automation;
  • Bonus points for community contributions like public CVEs, bug bounty recognition, open-source tools, blogs, etc

Salary Range

  • Monthly gross salary from 17200 - 33000 PLN

What We Offer

  • Professional growth. Internal and external events, online training, conferences, books - everything you need to reach full potential
  • Health benefits. Private health insurance, sports access card, online workouts, consultations to feel and be your best
  • Team spirit. Team buildings and parties with games, shows, tastings, food coupons, gifts, and it’s on us
  • Additional paid leave. Additional days are covered by us in cases of illness or special occasions
  • Flexibility. Flexible working time arrangement
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