Staff Software Engineer

Be the one building AI-powered experiences where they matter most.

At Genesys, we help organizations create better customer experiences through AI-powered experience orchestration. Our platform connects people, systems, data and AI to help organizations deliver more personalized service, improve operational efficiency and build stronger customer relationships.

Help build, support and operate technology used by more than 8,000 organizations in over 100 countries – moving AI from possibility to production in real-world enterprise environments every day.

We are seeking a Staff Software Engineer (individual contributor) to join our Voice Platform team as a hands-on senior engineer for high-performance, network-facing services that power real-time voice communications for Genesys Cloud contact centers worldwide. This is an exciting opportunity for an experienced engineer who is strong in Java, AI and cloud backend development, proficient (or eager to grow) in C and systems-level software, skilled in networking and Linux, and motivated to deepen expertise in SIP/VoIP and voice-platform systems.

This is a deep technical role, not a people-management role. You will spend your time designing and building, work across cloud backend microservices, serverless components, and systems-level software, and raise the technical bar through hands-on contribution. Prior SIP/VoIP or contact-center experience is a plus, not a strict requirement. If you enjoy complex distributed systems, production ownership, and solving hard problems while continuing to learn a specialized domain, this is a high-impact opportunity.

Key Responsibilities

The primary responsibilities for this role include (but are not limited to):

• Design, develop, and deliver scalable cloud backend and voice-platform services that support real-time communications with high reliability and operational excellence.
• Hands-on implement backend microservices in Java and Spring Boot, along with Python-based serverless functions (AWS Lambda) for event-driven and automation workloads.
• building AI bots, agents using latest tech stack like MCP, RAG, vector database, guardrails, langchain framework.
• Develop and maintain systems software in C, including work with network-facing and open-source platform components (e.g. OpenSIPS/SIP routing) used in real-time communications.
• Contribute to full-stack features, including React-based UIs and operational tooling, where needed.
• Build and operate services on AWS, ensuring scalable, observable, and production-ready solutions.
• Apply strong networking and Linux systems skills to develop, integrate, and troubleshoot real-time communications workloads.
• Apply deep understanding of multithreading, concurrency, and thread-safety to design and troubleshoot high-throughput, low-latency services.
• Build fluency in SIP/VoIP and Genesys voice-platform concepts and apply them effectively in your work.
• Own troubleshooting of complex production issues spanning networking, systems, and service layers; drive root-cause analysis and lasting fixes using observability tooling such as SumoLogic and New Relic.
• Drive strong system design: translate ambiguous requirements into clear architecture, make sound trade-offs, and document decisions for scalability, fault tolerance, and maintainability.
• Collaborate with product, architecture, DevOps, QA, security, and operations to translate business and platform needs into durable technical solutions.
• Champion engineering best practices for design, code quality, CI/CD, testing, monitoring, logging, tracing, and production operations.
• Provide technical guidance and mentorship through design reviews, code reviews, and hands-on collaboration (individual contributor; no direct reports).
• Drive continuous improvement...

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