Lead Backend Architect for Scalable AI Platforms

Socket.dev; Cambridge (MA); On-site; USD 188,000 - 259,000; Full time

Job summary

Extuitive in Cambridge, MA is seeking a Principal Backend Engineer to architect, build, and scale our core backend systems powering the agentic platform. You will drive high-throughput services, robust data pipelines, real-time agent clouds, and integrations with key providers, shaping the platform's security and reliability as we grow.

As a technical leader, you will own backend systems, design scalable microservices, collaborate across teams, and raise the bar on testing, CI/CD, and

Qualifications

• 8+ years of backend engineering experience.
• Experience with high velocity agentic coding under strict security requirements.
• Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.
• Strong expertise in backend languages and frameworks (Node.js/TypeScript, Go, Python, or similar).
• Experience designing scalable distributed systems, microservices, and event-driven architectures.
• Deep experience with third-party integrations, REST/GraphQL APIs, webhooks, and rate-limited services.
• Proficiency with SQL/NoSQL databases, data pipelines, and performance optimization.
• Familiarity with cloud platforms (AWS, GCP) and containerized/deployed systems (Docker, Kubernetes).
• Strong testing, CI/CD, and observability practices.
• Comfortable working in a fast-paced, evolving environment with minimal oversight.

Responsibilities

• All things AI agents – collaborate to deliver best-in-class agent experiences.
• Own Core Backend Systems – design, build, and maintain scalable services, APIs, and platform infrastructure.
• Build and Maintain Large-Scale Data Pipelines – architect and operate high-volume, resilient data pipelines for ingestion, transformation, and analytics.
• Lead Third-Party Integrations – integrations with external vendors.
• Influence Architecture & Best Practices – shape backend architecture, CI/CD, testing frameworks, and operational excellence.
• Wear Multiple Hats – support DevOps, troubleshooting, or other platform needs.

Skills

Backend engineering

Distributed systems

Node.js/TypeScript

Go

Python

REST/GraphQL

SQL/NoSQL

AWS/GCP

Docker/Kubernetes

CI/CD & observability

Education

Bachelor’s degree in CS/SE

Tools

Docker

Kubernetes

AWS

GCP

GraphQL

Webhooks

Job description

Extuitive in Cambridge, MA is seeking a Principal Backend Engineer to architect, build, and scale our core backend systems powering the agentic platform. You will drive high-throughput services, robust data pipelines, real-time agent clouds, and integrations with key providers, shaping the platform's security and reliability as we grow.

As a technical leader, you will own backend systems, design scalable microservices, collaborate across teams, and raise the bar on testing, CI/CD, and