New York, New York, United States

Founding AI Engineer

 Job Description:

Founding AI Engineer

Location: Hybrid New York City (3-5 days/week in office)
Position Type: Full-Time (Permanent)
Work Policy: Hybrid (no long-term visa sponsorship; can process quick visas)
Start Timeline: ASAP


About
This early-stage AI startup is building a new category of AI application by pioneering digital twins of real users that companies can interview indefinitely. The platform combines deep AI research with production-grade engineering to create synthetic user simulations that transform how organizations understand and engage with their customers.


Why join

  • Be an early foundational team member with significant influence over technical and product direction

  • Work on synthetic user simulations, privacy-first architectures, and large-scale AI deployments

  • Collaborate with a low-ego, high-agency team committed to building something unique and impactful

  • Combine cutting-edge AI research with shipping high-quality production systems


Compensation

  • Base Salary: $120,000 - $250,000 (dependent on experience)


Tech environment

  • Languages: Python (primary), SQL (PostgreSQL), TypeScript (preferred for full-stack)

  • Frameworks: LLMs, NLP, orchestrated AI (TTS/STT, agents, vector search)

  • Infrastructure: AWS, CI/CD pipelines, containerization

  • Frontend (preferred): Next.js, React


Role summary
The Founding AI Engineer will own the architecture, development, and deployment of LLM-powered synthetic user simulations. This role blends research and engineeringrequiring the ability to explore novel AI methods while shipping stable, scalable products.


Responsibilities

  • Design and implement synthetic user simulation architectures integrated with interview pipelines

  • Deploy AI systems in production with measurable business impact

  • Build, optimize, and maintain backend APIs and database systems

  • Lead AWS infrastructure deployments and manage CI/CD pipelines

  • Collaborate with product and research teams to translate ideas into production features

  • Ensure system scalability, reliability, and privacy compliance


Must-have qualifications

  • 4+ years professional ML/AI engineering OR recent PhD with relevant research

  • Built and deployed ML models in production with measurable business impact

  • Deep experience with LLMs, NLP, and orchestrated AI frameworks (TTS/STT, agents, vector search)

  • Expert Python developer with strong backend/API design and PostgreSQL experience

  • Experience leading AWS infrastructure deployments and managing CI/CD pipelines

  • Strong communication skills and collaborative approach

  • Ability to thrive in a high-agency, fast-paced environment

  • Ability to work in-person in NYC 3-5 days/week


Preferred qualifications

  • Experience with synthetic users, digital twins, or simulations

  • Full-stack development with Next.js/React/TypeScript and containerization

  • Publications in AI/ML research or significant research project experience

  • Startup or fast-growing company experience with demonstrated impact

  Required Skills:

Compliance Next.JS CI/CD Publications Search Pipelines Scalability Salary React Compensation AWS Shipping Features Reliability Architecture Communication Skills Infrastructure PostgreSQL TypeScript Research Design Engineering SQL Python Business Communication

 Salary Package:

$ 120,000.00 - 250,000.00 (US Dollar)