Backend Engineer, AI

Backend Engineer, AI (Founding Team)

Type of employment: Permanent, Full-time
Work model: Fully remote (United States or Canada)
Experience required: Senior Backend / AI Infrastructure Engineering

Why join this opportunity?

Our client is an early-stage, well-funded AI startup building a next-generation consumer AI platform designed to help people automate everyday tasks, workflows, and errands through intelligent, real-world task execution.

This is a rare opportunity to join as a founding engineer and help shape both the product and the engineering foundation from the very beginning. You’ll work alongside an experienced leadership team in a fast-paced, high-trust environment where ownership, curiosity, and execution are highly valued.

What you’ll do

  • Design, build, and operate backend systems that power AI features in production.
  • Develop inference pipelines, orchestration layers, and scalable service architectures around large language models.
  • Build reliable APIs that connect AI models with mobile and desktop applications.
  • Optimize system performance through improvements in latency, throughput, caching, batching, streaming, and resource utilization.
  • Own production operations, including monitoring, logging, alerting, and incident response.
  • Debug and improve distributed systems running under real production workloads.
  • Collaborate closely with machine learning and application engineering teams to deliver reliable AI-powered experiences.

What we’re looking for

  • Strong backend engineering experience building production systems.
  • Experience operating high-throughput, low-latency services at scale.
  • Familiarity with modern AI inference patterns, including large language models, embeddings, and multimodal systems.
  • Experience working with distributed systems and production debugging.
  • Strong Python development skills. Experience with Node.js is an asset.
  • Experience with SQL and NoSQL databases.
  • Experience with Kubernetes, Docker, and modern cloud infrastructure.
  • A builder’s mindset with a strong sense of ownership and a passion for shipping high-quality software.

Tech Stack

  • Python
  • Node.js
  • PyTorch
  • OpenAI, Anthropic, and open-source LLMs
  • SQL & NoSQL
  • Kubernetes
  • Docker

Why this role?

  • Founding engineer opportunity at a well-funded AI startup.
  • Help build a consumer AI product from zero to scale.
  • Fully remote across the United States and Canada.
  • Small, high-calibre engineering team with direct access to leadership.
  • High-trust, flexible work environment.
  • Comprehensive medical, dental, and vision coverage.
  • 401(k) with employer match (U.S.).
  • Visa sponsorship available where applicable.
  • Opportunity to make a meaningful impact on both the product and engineering direction from day one.
Postuler / Apply