Backend Engineer, TypeScript/Node.js

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September 17

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Sierra

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Artificial Intelligence • B2B • SaaS

Sierra is a company that specializes in transforming customer experiences through the power of conversational AI. Their platform enables businesses to deploy AI agents that are empathetic, always available, and aligned with the brand's tone and voice. Sierra offers capabilities for real-time support, seamless integration into existing technology stacks, and the capacity to solve complex issues while continuously improving the customer experience. Trusted by leading brands, Sierra's AI platform is designed with a strong commitment to security and privacy, ensuring safe and secure interactions. The platform allows for personalization, enabling companies to imbue their AI agents with their own identity and processes, ensuring consistency and reliability across all customer interactions.

51 - 200 employees

🤖 Artificial Intelligence

🤝 B2B

☁️ SaaS

📋 Description

• Build scalable backend services in TypeScript and Node.js that handle thousands of concurrent conversations across multiple social platforms • Architect AI integration pipelines that process conversational data, detect intent, and trigger intelligent actions • Design and harden API integrations with Meta/Instagram, Shopify, and payment providers with resilient retries, backoffs, and fallbacks • Implement real-time features for live conversation monitoring, alerts, and merchant interventions using websockets and event-driven patterns • Own multi-tenant data architecture for analytics, conversation tracking, and attribution reporting in PostgreSQL • Raise the reliability bar with instrumentation, tracing, alerting, and performance tuning • Operate like an owner — plan, ship, test, and iterate with high autonomy in a small, senior team

🎯 Requirements

• 3+ years of professional TypeScript and Node.js experience building production backends • Strong API integration chops — experience with external APIs; Meta/Instagram Graph API a big plus • PostgreSQL fluency — schema design, complex queries, indexing, and performance optimization • Experience with real-time and event-driven systems — websockets, message queues, idempotency, webhooks at scale • Cloud experience (AWS preferred), Docker, and production monitoring • Testing mindset — solid unit and integration tests with CI • Communication — clear English, direct feedback, collaborative and low ego • Willingness to join monthly in-person working sessions in Venice, CA • Nice to haves: workflow orchestration such as Temporal, social platform integrations, e-commerce integrations (Shopify, Stripe), vector databases, observability and distributed tracing, experience with high-scale messaging or chat products

🏖️ Benefits

• Competitive salary plus meaningful equity at an early stage • Direct, visible impact on merchant success and company growth • Modern stack — TypeScript, NestJS, PostgreSQL, queues, and solid tooling • Technical autonomy — influence architecture and technology choices • Remote flexibility with monthly in-person collaboration in Venice, CA