Software Engineer - AI Infrastructure
Listed on 2026-01-02
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IT/Tech
AI Engineer
Join to apply for the Software Engineer - AI Infrastructure role at Assembled
Join to apply for the Software Engineer - AI Infrastructure role at Assembled
About Assembled
Great customer support requires human agents and AI in perfect balance, and Assembled is the only unified platform that orchestrates both panies like Canva, Etsy, and Robinhood use Assembled to coordinate their entire support operation — in-house agents, BPOs, and AI — in a single operating system. With AI Agents that resolve cases end-to-end, AI Copilot for agent assistance, and AI-powered workforce management that optimizes both human and AI capacity, Assembled helps teams deliver faster, better service while making smarter decisions about how to staff and automate.
Backed by $70M from NEA, Emergence Capital, and Stripe, we're building the platform that makes AI and human collaboration actually work.
About Assembled
Great customer support requires human agents and AI in perfect balance, and Assembled is the only unified platform that orchestrates both panies like Canva, Etsy, and Robinhood use Assembled to coordinate their entire support operation — in-house agents, BPOs, and AI — in a single operating system. With AI Agents that resolve cases end-to-end, AI Copilot for agent assistance, and AI-powered workforce management that optimizes both human and AI capacity, Assembled helps teams deliver faster, better service while making smarter decisions about how to staff and automate.
Backed by $70M from NEA, Emergence Capital, and Stripe, we're building the platform that makes AI and human collaboration actually work.
The Role
We’re looking for a software engineer to join our Infrastructure team—building and operating the core systems that power our rapidly growing AI agent platform for customer support. Our AI Agents automates support workflows across email, chat, and voice, and has grown from $0 to $1M in ARR in just 3 months. As adoption accelerates, we’re investing deeply in scaling its infrastructure to meet increasing demand and security expectations from enterprise customers.
As part of the AI Infrastructure team, you’ll be responsible for the systems that enable Assist to be fast, reliable, and secure. You’ll work on foundational platform components that power real-time LLM usage at scale, while also exploring how AI can be leveraged internally to make our engineering team more productive. This team is highly cross-functional, working closely with the AI, security, and product engineering teams.
This is a high-ownership role for someone who’s excited by 0-to-1 building and shaping the infrastructure backbone of our AI products.
Some projects owned by the Infrastructure team
- Agent service reliability and scaling:
We manage and scale the infrastructure that serves LLM-powered agents across chat, email, and voice. This includes selecting inference strategies, integrating with model providers (e.g. OpenAI, Anthropic), and dynamically routing traffic for performance and cost efficiency. - Prompt and embedding storage systems:
Assist relies heavily on dynamically generated prompts and semantic search across support content. The team owns highly-available, fast-access storage and indexing layers optimized for real-time AI interactions. - Privacy and security:
Enterprises expect strict guardrails around AI use. We’re building systems like network-level intrusion detection (IDS/IPS), audit logging, and LLM usage policy enforcement to meet these expectations and unlock new sales channels. - Observability and usage analytics:
We operate systems that surface key metrics—token usage, latency, cost per response, and quality signals—so the Assist team can continuously improve Assist’s performance and accuracy. - AI-powered developer tools:
We are beginning to explore and evangelize the use of AI to accelerate internal engineering workflows—through internal chat agents, pair programming tools, and intelligent automation for deployment, debugging, and on-call. Our goal is to empower engineers across the company to build faster and more confidently with AI.
- Have 6+ years of engineering experience, with past ownership of…
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