80 founding engineer jobs at 66 companies in Hackensack, NJ
2w
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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.
4d
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Founding Engineer (Potential CTO)
New York City or San Francisco or Montreal
$170k/yr OnsiteFull Time
3+ YOE3+ years mobile/full-stack engineering, React Native, Node.js or Python, PostgreSQL, experience with frontier LLMs (Claude) in production, wearable/HealthKit experience, ability to work in-person in NY/SF/Montreal.
React Native, Claude, Node.js, Python, PostgreSQL, Vercel, Fly, Render, HealthKit, Apple Watch, Oura, Whoop, EEG
2mo
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Founding Engineer
New York City, New York, United States
$170k-$200k/yr OnsiteFull Time
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
1mo
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Senior / Staff Founding Engineer
New York City, New York, United States
$250k-$320k/yr OnsiteFull Time
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
1w
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Founding Engineer, Open Source
New York, New York, United States
$225k-$300k/yr OnsiteFull Time
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
3w
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Founding GTM Engineer
New York, New York, United States
HybridFull Time
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
2mo
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Founding Engineer
New York, New York, United States
$140k-$500k/yr OnsiteFull Time
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
3w
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Founding Engineer
New York City, New York, United States
$150k-$180k/yr HybridFull Time
Proven experience building production systems from scratch, owning architecture, data ingestion and storage, AI/agentic systems, and compliance; high ownership, strong technical judgment, and comfort with ambiguity.
3mo
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Founding Engineer
New York, New York, United States
HybridFull Time
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
3w
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Founding Engineer
New York City, New York, United States
$150k-$180k/yr OnsiteFull Time
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.
1w
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Founding Engineer - AI-Native Investment Bank
New York, New York, United States
€80k-€100k/yr HybridFull Time
Built and shipped fintech or B2B SaaS products; comfortable with LLMs and agentic workflows; portfolio/GitHub of side projects; startup experience preferred; strong communication; willing to relocate to NY or SF.
Python, Node, React, Next.js, PostgreSQL, langchain, Claude, LLMs, GitHub
3mo
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Founding AI Engineer
New York City or United States
$160k-$220k/yr OnsiteFull Time
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
Hands-on technical seller leading enterprise deals; prototypes integrations; helps shape scalable presales.
Python, JavaScript, Demos, Prototyping
2mo
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Founding Engineer
New York City, New York, United States
$150k-$250k/yr OnsiteFull Time
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
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
4w
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Founding GenAI Engineer
New York City, New York, United States
$150k-$220k/yr OnsiteFull Time
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
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
5d
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Founding Data Engineer
New York, New York, United States
$170k-$216k/yr OnsiteFull Time
Senior data engineer with production data platform experience: large-scale ingestion, ETL/ELT, data modeling, SQL/Postgres, data quality, observability, and ownership of pipelines and schemas.
SQL, Postgres, TypeScript, Node, ClickHouse, BigQuery, Snowflake, OCR
1mo
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Founding Design Engineer
New York City, New York, United States
OnsiteFull Time
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
20h
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Founding Research Engineer
New York City or San Francisco
$215k-$330k/yr OnsiteFull Time
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.
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