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Full Time Founding Engineer Jobs (NOW HIRING)

Founding iOS Engineer

New York, NY · On-site

$56.50 - $78/hr

New York City (Onsite) Employment Type: Full-time Level: Senior / Staff-level Start Date: ASAP ... founding engineer at a startup Experience migrating applications from Flutter or React Native to ...

Founding iOS Engineer

New York, NY · On-site

$56.50 - $78/hr

New York City (Onsite) Employment Type: Full-time Level: Senior / Staff-level Start Date: ASAP ... founding engineer at a startup Experience migrating applications from Flutter or React Native to ...

The Role We need a founding level AI/ML developer to work in-person full-time in San Francisco. Your north star metric will be to improve user-preference win-rates over off-the-shelf options with the ...

Santa Monica, CA \u007C AI Fund \u007C Full-Time \u007C In-Person / Hybrid About Capsure Capsure is ... Developers, EPC contractors, and their tax equity partners need certainty that compliance holds up ...

New York City, NY / San Francisco, CA Job Type: Full Time Summary: Role Overview: As our Lead Founding Engineer & Architect, you'll design and deliver core infrastructure and systems which power ...

Founding Software Engineer

San Francisco, CA · On-site

$175K - $240K/yr

Join Onton as a Founding Engineer and set the foundation for our Engineering Team * Design, scope ... If you're unable to attend the interviews onsite or work onsite full-time, this position may not be ...

Join Onton as a Founding Engineer and set the strategic foundation for our Engineering Team ... If you're unable to attend the interviews onsite or work onsite full-time, this position may not be ...

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Full Time Founding Engineer information

What is the difference between Full Time Founding Engineer vs Full Time Software Engineer?

AspectFull Time Founding EngineerFull Time Software Engineer
CredentialsRelevant technical degrees, startup experience often preferredComputer Science or related degree typically required
Work EnvironmentEarly-stage startup, high autonomy, broad responsibilitiesEstablished company, specialized roles, structured environment
Industry UsageCommon in startups and new venturesWidespread across tech companies and industries
Search & ComparisonOften compared for startup roles and entrepreneurial positionsCompared for corporate and established tech roles

In summary, a Full Time Founding Engineer typically works in a startup environment with broad responsibilities and a focus on building foundational products, whereas a Full Time Software Engineer usually operates within established companies with specialized tasks and structured roles.

What cities are hiring for Full Time Founding Engineer jobs? Cities with the most Full Time Founding Engineer job openings:
What are the most commonly searched types of Founding Engineer jobs? The most popular types of Founding Engineer jobs are:
What states have the most Full Time Founding Engineer jobs? States with the most job openings for Full Time Founding Engineer jobs include:

Founding Full-Stack Engineer

Transparent Search Group

San Francisco, CA

$160K - $220K/yr

Full-time

Posted 2 days ago


Job description

Founding Full-Stack Product Engineer (AI-Native)

On-Site | San Francisco | Full-Time
$160K–$220K base + meaningful equity
H-1B transfers supported

The Bar

This is a founding engineer seat at an early-stage AI company building core infrastructure for LLM-powered systems.

If you need tight requirements, stable roadmaps, or a slow ramp, this is not the role.

If you ship fast, think clearly, and believe AI-native development changes how software should be built — keep reading.

What Youll Own
  • End-to-end product engineering: backend, frontend, infrastructure

  • AI-driven product features (context engineering, internal GenAI tooling)

  • Telemetry, observability, and system intelligence

  • Direct interaction with founders and early customers

  • Fast iteration under incomplete information

You will regularly switch between products, systems, and customer realities. That's the job.

Non-Negotiables
  • 5+ years building and shipping real products as a full-stack engineer

  • Strong backend bias (60/40 backend/frontend)

  • Production experience with TypeScript, Node, Next.js

  • Startup experience where priorities changed weekly — and you still shipped

  • You actively use AI tools in your daily workflow (not interested in learning)

  • Clear, concise communicator — in writing and conversation

Strong Signals
  • Seed to Series A startup experience

  • Experience with developer tooling, telemetry, or infra-adjacent systems

  • Public technical thinking (blog, GitHub, X, talks)

  • Evidence of learning velocity over pedigree

Red Flags (We Will Screen Out)
  • Long resumes with vague impact

  • Pure big-tech backgrounds without recent startup experience

  • Engineers are optimized for promotion cycles instead of ownership

  • Low-intensity, low-urgency working styles

  • Candidates who talk about AI but don't use it

Environment
  • In-person, 5 days/week in San Francisco

  • High-trust, high-expectation culture

  • Not a 9–5 shop — consistency and output matter

  • Small senior team, direct founder access

Interview Process
  1. Founder screen (~15 minutes)

  2. Final on-site loop (up to 4 hours)

Outcome

Best case: you help define a category and build systems that scale with AI.
Worst case: you leave with elite experience, a powerful network, and accelerated growth.