Software Engineer, Platform​/Applied AI

San Francisco, CA
· On-site
· Full-time
Compensation: $180,000–$220,000 + competitive equity

An AI research lab pushing the boundaries of artificial intelligence through novel datasets and experimentation, with the frontier foundation-model labs as its customers. Backed by top-tier investors, growing fast with strong revenue traction, and building out its founding engineering team.

Founded 2025
· 11–50 people
· Industry: AI research / data infrastructure

As one of the core engineers, you'll help build the data infrastructure shaping the next generation of frontier models. You'll be one of the first hires, own entire projects end-to-end, and see your impact immediately.

• Build and scale complex data-capture workflows across web (Next.js) and desktop (Python)
• Architect and optimize high-throughput data pipelines under heavy load
• Collaborate with the founding team to define product strategy and ship features fast
• Set engineering best practices and lay the groundwork for future team growth

Tech stack: Next.js / JavaScript / Type Script, Python, Go
· GCP/AWS (serverless, cloud functions)
· Kubernetes
· Redis
· Elasticsearch
· Kafka / RabbitMQ
· No

SQL
· APIs

• Must come from a top university (US/Canadian/UK), top quant firm, or have founding engineer experience.
• Strong coding fundamentals in Node.js / Type Script, Python and/or Go.
• Deep understanding of distributed systems, scalability challenges, and system design.
• Familiarity with cloud platforms (GCP/AWS), Kubernetes, APIs, No
  
  SQL databases.
• Ability to reason about trade-offs and balance speed vs reliability.
• Strong communication skills and a bias toward ownership, curiosity, and delivering simple solutions to complex problems.
• Bonus:
  Experience with RL environments, agentic systems, or human-in-the-loop workflows.

• Founding role — own and define the data infrastructure from day one, with immediate visible impact
• Build the data infrastructure shaping frontier-model development, serving the frontier AI labs
• Fast-growing company with strong revenue traction and a path to lead and grow an engineering team
• Competitive salary + equity (4-year vest), daily lunch & dinner, free gym membership, health insurance

• Location:
  
  San Francisco, CA
• Work policy:
  On-site
• Compensation: $180,000–$220,000 + equity
• Visa sponsorship: O-1, OPT
• Employment type:
  
  Full-time