Senior Backend Engineer - License Platform & Reliability

Cisco Systems, Inc.; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Cisco Systems, Inc. in Kraków is seeking a skilled License Manager engineer to design, build, test, and maintain core licensing capabilities using C++.

You will lead features from design through production delivery, balancing correctness, performance, security, and maintainability. You will collaborate with product management, support, and partner engineering teams to translate customer needs into robust technical solutions, mentor engineers, and raise engineering standards through high-quality

Qualifications

• Bachelor’s degree plus 6 years of related experience.
• Professional software development in C++, backend or distributed systems.
• Strong knowledge of design, data structures, algorithms, debugging, testing, and code reviews.
• Experience solving reliability, scale, or performance issues in production systems.
• Ability to work independently and lead medium-sized technical initiatives.

Responsibilities

• Design, build, test, and maintain core License Manager capabilities using C++.
• Lead complex features from design through production delivery.
• Diagnose and resolve production issues to improve resilience and observability.
• Collaborate with product management, support, and engineering stakeholders.
• Mentor engineers and contribute to engineering best practices.

Skills

C++ backend

Data structures

Algorithms

Debugging

Testing

Code review

Reliability issues

Independent work

Technical leadership

Secure coding

Education

Bachelor’s degree

Tools

Splunk Enterprise

Python

Linux

Job description

Cisco Systems, Inc. in Kraków is seeking a skilled License Manager engineer to design, build, test, and maintain core licensing capabilities using C++.

You will lead features from design through production delivery, balancing correctness, performance, security, and maintainability. You will collaborate with product management, support, and partner engineering teams to translate customer needs into robust technical solutions, mentor engineers, and raise engineering standards through high-quality