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

