Senior Software Engineer, Backend - Platform Team

About the role:

Cresta’s Core Platform underpins the company’s entire product portfolio. Our long term vision is to build a robust, reliable, secure, and extensible foundation that supports continued innovation, satisfies enterprise customer requirements, and keeps operational costs in check. Two critical components for that are agent assist backend services and scalable authentication systems, tools, processes and frameworks based on industry standards and security best practices.

This role is focused on building various backend systems needed to enable successful customer integrations:

• Enable agent assist integration for chat and email. This involves working with the frontend platform team, ML teams, infra team and other backend services.
• Expand our backend agent assist services to meet customer requirements and feature requests.
• Address any customer issues that block integrations, affect user experience or system performance.
• Work with the auth and security team to meet Cresta’s diverse authentication and security needs for internal workflows and external customer facing integrations.

We are looking for strong versatile backend engineers who want to work at the intersection of distributed systems, real-time communication, enterprise integrations, and IAM systems.

Why This Role Is Unique:

• Enterprise-Grade Integrations: Design robust integrations with major CCaaS platforms and customer systems.
• Specialized Auth Experience: Join the Cresta auth team and help build specialized authentication systems to authenticate users, service accounts, virtual agents, server workloads, cloud based authentication for external integrations, etc.
• Agent Assist Integrations: Work directly with the frontend platform team to build solutions for agent assist integrations for various channels such as chat and email and help rollout these integrations in customer environments.

If you’re a strong backend engineer who wants to apply your expertise to real-world AI systems operating inside complex enterprise ecosystems, and expand your expertise in auth, this role offers that opportunity.

Responsibilities:

• Contribute to building the best-in-class company in addition to building the best-in-class product.
• Architect systems that manage real-time conversation state, context propagation, and session lifecycle.
• Play a substantial role in the agent assist integration process (chat and email) and authentication engineering team.
• Work with Cresta product and engineering teams, build and continuously improve the Cresta platform and new product requirements.
• Stay closely with customers and their requirements, analyze the