39 founding software engineer jobs at 31 companies in Valhalla, NY
2mo
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
Founding Engineer
New York, New York, United States
OnsiteFull Time
2+ YOERequires 2–8 years of software engineering experience, production experience with TypeScript, Node.js, and React, AI/LLM development, distributed systems, APIs, databases, and ERP/CRM integrations.
TypeScript, Node.js, React, large language models (LLMs), PostgreSQL, ERP, CRM
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Founding Software Engineer
New York City, New York, United States
HybridFull Time
Fluency with modern AI coding tools, solid CS fundamentals, ability to ship software, fast learner, strong communication, and willingness to work in person with customers.
Claude Code, Cursor, Copilot
3w
Save
Mark Applied
Hide
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.
3w
Save
Mark Applied
Hide
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.
2w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
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.
4w
Save
Mark Applied
Hide
Founding Engineer
New York City, New York, United States
$175k-$250k/yr OnsiteFull Time
3+ YOE3–6 years full-stack experience, AI-native mindset, strong product orientation, ability to own features end-to-end; experience with LLMs and shipping production software.
React, TypeScript, TanStack, Go, LLMs
1mo
Save
Mark Applied
Hide
Founding Engineer
New York, New York, United States
$180k-$210k/yr OnsiteFull Time
Experienced engineer (front-end biased full-stack or applied AI) with system design ability; comfortable solving ambiguous problems and shipping product in a fast-paced, in-person startup.
Ruby on Rails, React, Postgres, AWS, Redis
1mo
Save
Mark Applied
Hide
Founding Principal Engineer
New York City, New York, United States
$200k-$240k/yr HybridFull Time
8+ YOE8+ years building production software with staff/principal level experience; deep full‑stack skills; experience leading distributed teams; building in regulated or data‑sensitive environments; strong communication and technical leadership.
TypeScript, Node, React, AWS, EHR
1mo
Save
Mark Applied
Hide
Founding Backend Engineer
New York City, New York, United States
OnsiteFull Time
Experienced backend engineer with strong systems design, cloud and database experience, API and SDK development, security/compliance awareness, and ownership in early-stage environments.
AWS, SQL, APIs, SDKs
2w
Save
Mark Applied
Hide
Founding Full Stack Engineer
San Francisco or New York City
HybridFull Time
5+ YOE5+ years software engineering experience, strong TypeScript/Node.js/React skills, experience across backend and frontend, systems and API design, shipping 0→1 products, strong communication.
TypeScript, AWS AppSync, Express, GraphQL, Node.js, React, DynamoDB, OpenAI, Anthropic, Google, Docker, Next.js, websockets
1mo
Save
Mark Applied
Hide
Founding Design Engineer
New York City, New York, United States
$125k-$185k/yr OnsiteFull Time
3+ YOE3+ years building modern web applications; strong React, TypeScript, HTML, CSS skills; experience with design and frontend engineering; product sensibility and attention to interaction detail.
React, TypeScript, HTML, CSS, Tailwind CSS, Figma
1mo
Save
Mark Applied
Hide
Founding Product Engineer
Berlin or New York City or London
RemoteFull Time
3+ YOE3+ years engineering or product experience, built high-engagement B2C products, AI-native, user research and data-driven product decision making, autonomous early-stage founder mindset.
2mo
Save
Mark Applied
Hide
Founding Forward-Deployed Engineer
New York, New York, United States
$170k-$280k/yr OnsiteFull Time
4+ YOE4+ years as Forward Deployed Engineer or Full Stack Engineer in a high-growth B2B SaaS environment; entrepreneurial startup founder experience; strong customer-facing and strategic advisory skills.
Explore Jobs