Software Engineer, Platform / Applied AI

David Joseph & Company; San Francisco (CA); On-site; USD 180,000 - 220,000; Full time

Benefits offered by this job

Competitive salary + equity

Daily lunch & dinner

Free gym membership

Health insurance

Job summary

David Joseph & Company in San Francisco, CA is seeking a core engineer to help build data infrastructure for frontier models. You will own projects end-to-end from day one in a founding team.

You will work on data-capture workflows across web and desktop, scale pipelines under heavy load, and collaborate to define product strategy, with equity and a fast-growing startup environment.

Qualifications

• Top university or founding engineer experience required.
• Strong fundamentals in Node.js/TypeScript, Python and/or Go.
• Experience with distributed systems and cloud platforms.

Responsibilities

• Build and scale data-capture workflows across web and desktop.
• Architect and optimize high-throughput data pipelines.
• Collaborate with the founding team to define product strategy.
• Set engineering practices and lay groundwork for growth.

Skills

Node.js / TypeScript

Python

Go

Distributed systems

Cloud platforms

Kubernetes

APIs

NoSQL

Data pipelines

Code quality

Education

Top university / founding engineer experience

Tools

Next.js

JavaScript/TypeScript

Python

Go

GCP/AWS

Kubernetes

Redis

Elasticsearch

Kafka

RabbitMQ

NoSQL databases

APIs

Job description

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

About the Company

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

The Role

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.

What you'll be doing

• 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 / TypeScript, Python, Go · GCP/AWS (serverless, cloud functions) · Kubernetes · Redis · Elasticsearch · Kafka / RabbitMQ · NoSQL · APIs

Requirements

• Must come from a top university (US/Canadian/UK), top quant firm, or have founding engineer experience.
• Strong coding fundamentals in Node.js / TypeScript, Python and/or Go.
• Deep understanding of distributed systems, scalability challenges, and system design.
• Familiarity with cloud platforms (GCP/AWS), Kubernetes, APIs, NoSQL 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.

Why Join

• 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

Details

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