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74 founding engineer jobs at 61 companies in Wayne, NJ

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Founding Engineer
New York City, New York, United States
OnsiteFull Time
Doji
Doji: Create a digital avatar to virtually try on clothes
Founding engineer with breadth across AI, backend, data, and product surfaces; able to ship prototypes and own key systems. Strong in at least one area and capable of rapid learning.
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3mo
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Founding Engineer
New York City, New York, United States
$130k-$200k/yr OnsiteFull Time
Ficus
Ficus: Fintech startup building payout infrastructure for life insurance.
Founding engineer with full-stack skills; ownership of product and infra; experience with backend systems, APIs, security, and regulated financial workflows.
Backend, Frontend, APIs, Databases, Cloud
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3mo
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Founding Technical Leader (CTO/Founding Engineer), Orbital
New York City, New York, United States
HybridFull Time
25 Madison
25 Madison: Incubates and invests in early-stage AI and SaaS startups.
Founding technical leader with hands-on system architecture, real-time data pipelines, and product-facing software; ability to hire and lead early engineering team.
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3mo
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Founding Software Engineer
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
Avallon
Avallon: AI agents automating insurance claims operations for carriers.
4+ YOE4+ years building production software; TypeScript and SQL; high ownership; founding role; NYC-based or willing to relocate.
TypeScript, SQL
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3w
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Founding Engineer (Potential CTO)
Montreal or San Francisco or New York City
$170k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
3+ YOE3+ years mobile/full-stack engineering, production experience with Claude or other LLM systems, React Native, backend (Node.js or Python) with PostgreSQL, experience with HealthKit/wearables, ability to work in-person in Montreal, San Francisco, or New York City.
React Native, Claude, Node.js, Python, PostgreSQL, Vercel, Fly, Render, HealthKit, Apple Watch, Oura, Whoop, EEG
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3mo
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Founding Engineer
New York, New York, United States
$160k-$200k/yr OnsiteFull Time
Kinetic
Kinetic: Fintech startup providing consumer financial services
Full-stack engineer with product judgment, startup experience, and ability to work autonomously; AI-assisted coding mindset.
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2mo
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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
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2w
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Founding Engineer
New York City, New York, United States
$150k-$200k/yr OnsiteFull Time
Neptune
Neptune: Legal technology platform for prenuptial and estate planning.
3+ YOE3–6 years full‑stack engineering experience, AI-native, strong product and communication skills, experience shipping production features and building LLM-powered workflows.
LLMs, React, TypeScript, TanStack, Plaid
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1mo
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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
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1d
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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
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1w
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Founding Engineer
New York City, New York, United States
$150k-$180k/yr HybridFull Time
Terrarium
Terrarium: Builds a unified system of record for aging to help seniors live longer, healthier, and happier lives.
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.
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3mo
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Founding Engineer
New York City, New York, United States
$150k-$250k/yr OnsiteFull Time
Precharm
Precharm: An algorithmic trading firm solving trading problems in prediction markets.
1+ YOEOpen to candidates with 1–5 years of experience; strong production-grade backend skills and ownership of end-to-end systems.
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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
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2mo
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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
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2mo
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Senior Founding Engineer
New York City, New York, United States
$185k-$245k/yr OnsiteFull Time
Ambral
Ambral: AI-powered account managers for enterprise customer success teams.
3+ YOE3+ years of full-stack development with distributed architectures; experience with AI systems and large data processing; strong communication and scalable system design.
TypeScript, Nuxt.js, PostgreSQL, Vercel, Claude Code/Cursor
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2mo
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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
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2mo
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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
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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
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2w
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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
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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
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