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Cresta

Staff Software Engineer, Backend (AI Agent Integrations)

Cresta
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20 days ago
Remote, CanadaStaff+
H1B Sponsor

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.

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.

Benefits

  • We offer 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.

Tech Stack

AWSAzureDockerGoogle Cloud PlatformgRPCKubernetes

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