License Manager Backend Engineer (Go/C++)

Cisco Systems; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

The Cisco Systems License Manager team in Kraków is building and evolving core licensing capabilities for our products. You will work on backend services in Go and C++, delivering secure, scalable features from design through deployment.

Join a collaborative engineering group that values ownership, reliability, and continuous improvement, with strong partnerships across product management, support, and engineering.

Qualifications

• Strong, recent Go experience building scalable production services.
• Experience with distributed systems, APIs, secure service-to-service communication, and production support.
• Ability to reason about performance, including latency, throughput, memory use, concurrency, and failure modes.
• Strong testing, debugging, and production-troubleshooting skills.

Responsibilities

• Build, test, debug, and maintain core License Manager capabilities using Go and C++ to support secure, reliable, and scalable product functionality.
• Deliver well-scoped features, fixes, and enhancements from design through implementation and completion.
• Write clean, maintainable, and secure code with strong unit and integration test coverage to improve product quality and reliability.
• Collaborate with senior engineers, product management, support, and engineering partners to improve system behavior, deliver customer value, and grow ownership over broader technical areas over time.

Skills

Go

Distributed systems

APIs

Performance

Testing

Debugging

Production support

Python

Tools

C++

Go

Python

Job description

The Cisco Systems License Manager team in Kraków is building and evolving core licensing capabilities for our products. You will work on backend services in Go and C++, delivering secure, scalable features from design through deployment.

Join a collaborative engineering group that values ownership, reliability, and continuous improvement, with strong partnerships across product management, support, and engineering.