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Fulltime Software Engineer Startup Jobs (NOW HIRING)

Software Engineer

New York, NY · On-site

$140K - $200K/yr

... a full-time software engineer * Proven track record of implementing high-impact product features in a startup or high-growth environment * Highly skilled in Javascript/Typescript and Python * High ...

Senior Software Engineer

New York, NY · On-site

$200K - $260K/yr

... a full-time software engineer * Proven track record of implementing high-impact product features in a startup or high-growth environment * Highly skilled in Javascript/Typescript and Python * High ...

Required : • 3-7+ years of full-time software engineering experience (*open to multiple levels of ... Startup or SaaS experience preferred Company : Merge is one API to add hundreds of integrations to ...

Required : • 3-7+ years of full-time software engineering experience (*open to multiple levels of ... Startup or SaaS experience preferred Company : Merge is one API to add hundreds of integrations to ...

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

Required : • 5-8+ years of full-time software engineering experience (*open to multiple levels of ... Startup or SaaS experience preferred • Experience with design systems, modern styling, and ...

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

Software Engineer

Littleton, CO · On-site

$75K - $95K/yr

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

Software Engineer

Littleton, CO · On-site

$75K - $95K/yr

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

Senior Software Engineer

Lehi, UT

$115K - $151K/yr

A commitment to engineering excellence and building a world-class engineering startup is a must. If ... full-time software development experience in one or more general purpose programming languages.

Senior Software Engineer

Lehi, UT · On-site

$115K - $151K/yr

A commitment to engineering excellence and building a world-class engineering startup is a must. If ... full-time software development experience in one or more general purpose programming languages.

Senior Software Engineer

Littleton, CO · Hybrid

$120K - $158K/yr

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

Senior Software Engineer

Lehi, UT · On-site

$115K - $151K/yr

A commitment to engineering excellence and building a world-class engineering startup is a must. If ... full-time software development experience in one or more general purpose programming languages.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

Senior Software Engineer

Littleton, CO · On-site

$180K - $230K/yr

OASYS, INC. is seeking a full-time Software Engineer. In this role, you will support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements ...

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Fulltime Software Engineer Startup information

See salary details

$63.5K

$147.5K

$205.5K

How much do fulltime software engineer startup jobs pay per year?

As of Jun 8, 2026, the average yearly pay for fulltime software engineer startup in the United States is $147,524.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $173,000.00 per year, depending on experience, location, and employer.
What cities are hiring for Fulltime Software Engineer Startup jobs? Cities with the most Fulltime Software Engineer Startup job openings:
What states have the most Fulltime Software Engineer Startup jobs? States with the most job openings for Fulltime Software Engineer Startup jobs include:

Software Engineer

David Joseph & Company

San Francisco, CA

$175K - $225K/yr

Full-time

Posted 17 days ago


Job description

Software Engineer

Location: San Francisco, CA (Onsite, 5 days/week)
Compensation: $175,000 – $225,000 base + equity
Experience Level: 1–4 years
Employment Type: Full-Time

About the Company

The Company builds enterprise AI agents for some of the largest companies in the world — working with $1B–$100B revenue enterprises with a reported 100% production deployment success rate. The team includes talent from Meta, AWS Bedrock, Citadel Securities, McKinsey, and Stanford.

About the Role

This is a high-ownership engineering role building and deploying production AI agents into major enterprise environments. You will ship production code daily, own code quality and engineering standards, and progress toward leading a small engineering team within 6 months.

What You'll Own
  • Build production AI agents against audit specifications
  • Deploy solutions into Salesforce, NetSuite, D365, and similar enterprise systems
  • Ship production code daily
  • Own code quality and engineering standards
  • Take ownership across systems without waiting for direction
  • Progress toward leading a small engineering team within 6 months
Requirements
  • 1–4 years of professional software engineering experience
  • Strong software engineering fundamentals and production development experience
  • AI-native builder experience with Claude, Codex, agent frameworks, or API loops
  • Fast execution and strong ownership mentality
  • Comfortable operating in ambiguity
  • Able to receive and implement feedback quickly
  • Willing to work onsite in San Francisco 5 days/week
Target Backgrounds

Strong signals include experience at Ramp, Cursor, xAI, or top AI-native startups, strong GitHub presence, open source contributions, agent infrastructure experience, LLM application development, and a systems-thinking mindset. Ideal roles: Product Engineer, Software Engineer, AI Engineer, Full Stack Engineer, Agent Infrastructure Engineer, LLM Applications Engineer, Startup Engineer, Founding Engineer, or Early-Stage Startup Builder.

This Role Is NOT For
  • Vibe-coding-only backgrounds
  • Candidates who cannot explain shipped projects
  • Slow executors with weak engineering fundamentals
  • Poor response to feedback
  • Framework memorization without systems understanding
Interview Process
  1. Pending approval
  2. Initial screen
  3. First round
  4. Second round
  5. Third round
  6. Onsite
  7. Offer
Logistics
  • Role is fully onsite in San Francisco — 5 days/week — please only apply if you can commit to this

Shortlisted candidates will be contacted by David Joseph & Co.