Senior Backend Engineer, License Manager Platform

Engg; Kraków; On-site; PLN 180,000 - 290,000; Full time

Job summary

Cisco is seeking a backend engineer to join the License Manager team, responsible for core licensing and entitlement capabilities powering Cisco products. You will build scalable Go and C++ services, delivering features from design through implementation while ensuring security and high performance.

You will collaborate with product management, support, and engineering, write maintainable code with strong test coverage, and contribute to the modernization of distributed systems, expanding

Qualifications

• Strong, hands-on Go experience building scalable, reliable, high-throughput production services.
• Strong, hands-on C++ experience in production systems, including performance-sensitive code, debugging, and design trade-offs.
• Ability to work effectively across Go services and existing C++ components, including integration and incremental modernization work.
• Experience leading technical design for distributed systems, APIs, and secure service-to-service communication.
• Deep ability to diagnose and resolve complex performance, reliability, and production issues.
• Strong automated-testing, observability, and production-support practices.

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.
• Investigate product and production issues to identify root causes and contribute to durable fixes.
• 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

C++

Distributed systems

APIs

Automated testing

Observability

Tools

Kubernetes

Python

Job description

Cisco is seeking a backend engineer to join the License Manager team, responsible for core licensing and entitlement capabilities powering Cisco products. You will build scalable Go and C++ services, delivering features from design through implementation while ensuring security and high performance.

You will collaborate with product management, support, and engineering, write maintainable code with strong test coverage, and contribute to the modernization of distributed systems, expanding