83 founding engineer jobs at 65 companies in Mount Vernon, NY

3w
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Founding Engineer
New York City, New York, United States
$125k-$225k/yr OnsiteFull Time
Clusia: AI-native software platform automating corporate regulatory compliance workflows.
Hands-on experience with LLMs and production AI, full-stack product engineering, cloud infrastructure, deployment and observability, and strong product-minded execution.
3mo
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Founding Engineer
New York City, New York, United States
$170k-$200k/yr OnsiteFull Time
Alden Labs
Alden Labs: Frontend and backend software building AI-powered care coordination infrastructure.
3+ YOEFull-stack software engineer with 3+ years, skilled in React/NextJS, Express, PostgreSQL; strong ownership; healthcare and AI interest; able to ship features end-to-end.
React, NextJS, Express, PostgreSQL
2mo
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Senior / Staff Founding Engineer
New York City, New York, United States
$250k-$320k/yr OnsiteFull Time
Rovi Health
Rovi Health: AI-powered care concierge and virtual clinic for employers.
8+ YOE8+ years building software with deep experience in Python, React, and TypeScript; ownership of products end-to-end; production AI/ML and LLM/agent experience; systems and scale experience; healthcare/fintech a plus.
Python, React, TypeScript, LLM
3w
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Founding Engineer, Open Source
New York, New York, United States
$225k-$300k/yr OnsiteFull Time
Datalab
Datalab: Develops high-precision AI document intelligence models and software tools.
5+ YOE5+ years building production software, strong open-source contributions, fluent in Python, experience creating technical content and engaging developer communities.
Python, GitHub, Discord, X, Reddit, marker, surya, chandra, lift, SDK, API, YouTube, Twitch, OCR
1mo
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Founding GTM Engineer
New York, New York, United States
HybridFull Time
Hearth
Hearth: Financial software platform for home improvement contractors
Proven track record moving revenue metrics, building GTM systems, shipping production integrations; familiarity with Salesforce/HubSpot, Redshift, Python, SQL and AI-driven workflows.
Salesforce, HubSpot, Redshift, Clay, Python, SQL, Claude
3mo
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Founding Engineer
New York, New York, United States
HybridFull Time
Jetty
Jetty: AI-powered functional health doctor and coaching platform.
3+ YOE3–8+ years of software product experience; strong backend, end-to-end product shipping; familiarity with APIs, data models, CI/CD, observability; startup mindset; privacy-focused health tech experience bonus.
Go, Rust, Java, Swift, Frontend
1mo
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Founding Engineer
New York City, New York, United States
$150k-$180k/yr OnsiteFull Time
Company Ventures
Company Ventures: Early-stage venture firm providing capital, residency, and incubator support.
Proven experience building systems from scratch, owning architecture and data pipelines, strong technical judgment, high ownership, comfort with ambiguity, and interest in healthcare and AI-driven products.
2d
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Founding Engineer
New York, New York, United States
$156k-$182k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOERequires 2+ years building production systems, production agentic AI or LLM applications, full-stack development, Python, FastAPI, SQL, TypeScript, React, PostgreSQL, AWS, real-time systems, and US citizenship.
Python, FastAPI, ETL, SQL, TypeScript, React, PostgreSQL, AWS, dbt, MotherDuck, Turbopuffer, Cloudflare
2mo
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Founding Engineer
New York, New York, United States
$140k-$500k/yr OnsiteFull Time
Rehearsals
Rehearsals: Simulates consumer behavior using AI replicas for business decisions.
3+ YOEBachelor's in CS/Math/Physics or equivalent; 3+ years; proven shipping software; ability to work in NYC in-person.
TypeScript, Next.js, React, CI/CD, data scraping, infrastructure tooling
3mo
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Founding AI Engineer
New York City or United States
$160k-$220k/yr OnsiteFull Time
Nolla Health
Nolla Health: Building AI-powered personal health diagnostic and management platforms.
4+ YOE4+ years backend, platform, or product engineering; ships own projects; strong TS and Python; AI tooling experience; small team experience; ability to scope and ship.
TypeScript, Python, Node.js, PostgreSQL, AWS, OpenAI API, Anthropic API, EMR systems, Eval frameworks
3mo
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Founding Sales Engineer
Boston or London or New York City
HybridFull Time
Clarasight
Clarasight: AI-powered operating system for corporate travel and expense management.
Hands-on technical seller leading enterprise deals; prototypes integrations; helps shape scalable presales.
Python, JavaScript, Demos, Prototyping
16h
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Founding Platform Engineer, Agent Runtime
New York City, New York, United States
OnsiteFull Time
Zingage
Zingage: AI-powered operations platform for home care agencies.
Founding platform engineering role building distributed agent runtime systems, EMR integrations, replay infrastructure, governance, audit, and computer-use systems in a regulated healthcare environment.
EMR, LLM
2mo
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Founding Engineer
New York City, New York, United States
$150k-$250k/yr OnsiteFull Time
Pascal
Pascal: AI-native operating system for the CPG offline economy.
3+ YOE3+ years engineering experience, cross-stack technical design, production debugging, customer-driven problem solving, familiarity with large-scale data and agentic workflows.
GCP, Terraform
1mo
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Founding Engineer
New York City, New York, United States
$150k-$250k/yr OnsiteFull Time
Pascal
Pascal: Provides AI-native operational systems for consumer packaged goods companies.
3+ YOE3+ years engineering experience across server- and client-side languages; cross-stack design, production debugging, customer technical engagement, and delivering infrastructure and agent-based solutions.
GCP, Terraform
1mo
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Founding GenAI Engineer
New York City, New York, United States
$150k-$220k/yr OnsiteFull Time
Arbor
Arbor: Transforms in-person business conversations into executive strategic intelligence.
Experienced engineer with strong fundamentals, hands-on LLM work, production systems experience, proficiency in Python and TypeScript, and end-to-end product ownership.
LiveKit, Pipecat, Twilio, Deepgram, ElevenLabs, OpenAI, Anthropic, Google Gemini, Python, FastAPI, TypeScript, React, WebRTC, STT, TTS
2mo
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Founding Software Engineer, Platform
New York City, New York, United States
$190k-$260k/yr HybridFull Time
GovWell
GovWell: Automates permitting and licensing for local government agencies
5+ YOE5+ years backend/infrastructure/platform experience; strong distributed systems; ownership of CI/CD, observability, incident response; proficient in Node/TypeScript; startup-oriented operator.
AWS, Kubernetes, Datadog, GitHub Actions, React, TypeScript, Node.js, GraphQL, PostgreSQL, RedwoodJS, OpenAI API
2mo
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Founding Design Engineer
New York City, New York, United States
OnsiteFull Time
Garage
Garage: Marketplace for buying and selling specialized emergency vehicles and equipment.
Strong production experience with React, Next.js, Tailwind CSS, and TypeScript; exceptional CSS skills; portfolio demonstrating high-craft frontend or design engineering work; customer-facing collaboration skills.
React, Next.js, TypeScript, Tailwind CSS
1w
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Founding Research Engineer
New York City or San Francisco
$215k-$330k/yr OnsiteFull Time
Ambral
Ambral: AI-powered account managers for enterprise customer success teams.
4+ YOE4+ years building production software or ML systems, including 2+ years with RL environments or evaluation/agent infrastructure; strong software engineering, data processing, reproducibility, and evaluation skills.
2mo
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Founding Solutions Engineer
New York City, New York, United States
$160k-$200k/yr OnsiteFull Time
Firefly
Firefly: AI-native physical safety platform for schools and workplaces.
3+ YOE3+ years in solutions engineering or technical deployment; strong networking (VLANs, firewall, DNS/DHCP), hardware rollouts, integrations (cameras, access control, HRIS, SSO), API work, customer-facing technical experience.
VLANs, firewall rules, DNS, DHCP, packet captures, traceroutes, API, cameras, access control, HRIS, SSO, RF
1mo
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Founding GTM Engineer - Remote
New York or Austin or United States
RemoteFull Time
On The Stage
On The Stage: Ticketing and marketing software for performing arts organizations
5+ YOE5+ years in GTM/RevOps or automation engineering; experience building automation and integrations across GTM systems (Salesforce/HubSpot), strong API and SQL fluency, AI-powered workflow experience, experimentation and measurement skills.
Salesforce, HubSpot, Qualified, RB2B, Clay, SQL, APIs