Cresta - Staff Software Engineer, Backend (AI Agent Integrations)
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Requirements
• Bachelor’s degree in Computer Science or related field. • 8+ years of experience building scalable backend systems in production environments. • Demonstrated experience leading architecture for large-scale distributed systems. • Deep expertise in API design (REST, gRPC) and service-oriented architectures. • Strong understanding of real-time communication systems and low-latency system design. • Experience designing integrations with third-party enterprise platforms and APIs. • Proven track record of driving technical direction across teams. • Experience with containerized environments (Kubernetes, Docker). • Experience with cloud platforms such as AWS, GCP, or Azure. • Strong expertise in reliability engineering, observability, and enterprise-grade security. • Experience with CCaaS platforms, contact center systems, or real-time communications is highly valued. • Familiarity with AI Agents, LLM-based systems, or AI orchestration platforms is a strong plus.
Responsibilities
• Lead the architecture and evolution of Cresta’s AI Agent integration framework across CCaaS platforms. • Design scalable, extensible backend systems that manage real-time conversation state, session lifecycle, and context propagation. • Establish architectural patterns for AI-to-human handoff that ensure durability, reliability, and seamless customer experience. • Define integration strategies for voice, chat, messaging, routing, and agent desktop APIs across enterprise platforms. • Drive system design for high availability, low latency, and fault tolerance in real-time environments. • Set standards for observability, monitoring, incident response, and operational excellence. • Partner closely with ML engineers to operationalize AI Agent capabilities into production-grade systems. • Influence technical roadmap and prioritization in collaboration with engineering leadership. • Mentor senior engineers and raise the bar for backend engineering excellence across the organization. • Lead complex cross-team technical initiatives from design through production rollout.
Benefits
• AI + Real-Time Systems: Work on infrastructure that enables AI Agents to participate in live conversations at scale. • AI + Real-Time Systems • Enterprise-Grade Integrations: Design robust integrations with major CCaaS platforms and customer systems. • Enterprise-Grade Integrations • Human-AI Collaboration: Build the systems that make AI-to-human handoff seamless, contextual, and reliable. • Human-AI Collaboration • High-Impact Engineering: This is a highly visible, high-impact role shaping the backbone of how AI Agents operate in mission-critical customer environments. • High-Impact Engineering • If you’re a strong backend engineer who wants to apply your expertise to real-world AI systems operating inside complex enterprise ecosystems, this role offers that opportunity. • We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs • Paid parental leave to support you and your family • Monthly Health & Wellness allowance • Work from home office stipend to help you succeed in a remote environment • Lunch reimbursement for in-office employees • PTO: 3 weeks in Canada • Compensation for this position includes a base salary, equity, and a variety of benefits. Actual base salaries will be based on candidate-specific factors, including experience, skillset, and location, and local minimum pay requirements as applicable. We are actively hiring for this role in the US and Canada. Your recruiter can provide further details. • We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the @cresta.ai domain. Any outreach claiming to be from Cresta via other sources should be ignored. If you are uncertain whether you have been contacted by an official Cresta employee, reach out to [email protected]
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