3 days ago
Kraków, PolandMid Level
Responsibilities
- Build, test, debug, and maintain core License Manager capabilities using Go and C++.
- Deliver features, fixes, and enhancements from design through implementation and completion.
- Write clean, maintainable, secure code with strong unit and integration test coverage.
- Investigate product and production issues, identify root causes, and contribute to durable fixes.
- Analyze performance across latency, throughput, memory use, concurrency, and failure modes.
- Collaborate with senior engineers, product management, support, and engineering partners.
- Improve system behavior and grow ownership over broader technical areas over time.
Requirements
- Strong, recent hands-on Go experience building scalable, reliable 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.
- Previous C++ experience sufficient to read, understand, and diagnose behavior in an existing performance-sensitive C++ codebase is preferred.
- Experience integrating Go services with legacy systems or modernizing C++ systems is preferred.
- Experience investigating production performance or reliability issues is preferred.
- Python experience for test development, test tooling, and automation is preferred.
- Familiarity with licensing, entitlements, metering, or commercial-platform systems is preferred.
- Experience with observability and incident response is preferred.
About Cisco
Cisco designs and sells networking, security, and collaboration platforms for enterprises, service providers, and governments, spanning routers and switches, Wi‑Fi, firewalls, zero‑trust, observability, and cloud-managed IT (Meraki) plus Webex. Its business model mixes hardware, software subscriptions, and support/consulting services. Founded in 1984 and headquartered in San Jose, California, Cisco is a public company traded on Nasdaq and serves customers across data centers, campuses, and service provider networks.
