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Full Time Software Engineer Startup Jobs in California

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

San Francisco, CA (required 5 days/week in-office) Type: Full-Time Compensation: $150,000-$300,000 ... startup or top AI company (e.g., Stripe, Ramp, OpenAI, Anthropic) - Strong backend or full-stack ...

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

San Francisco, CA (required 5 days/week in-office) Type: Full-Time Compensation: $150,000-$300,000 ... S taff-level or quickly promoted engineer at a startup or AI-first company * F ormer founder or ...

Fuku

Senior Software Engineer

San Francisco, CA · Hybrid

$180K - $220K/yr

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on ... Full-Time Priority: High About the Company The Company is a small, fast-paced startup in the ...

Clera

Founding Software Engineer

San Francisco, CA · On-site

$130K - $200K/yr

About the Role A well-funded, seed-stage B2B SaaS startup in the supply chain integrations space is looking for a Founding Software Engineer to help shape the architecture, culture, and product ...

Clera

Founding Software Engineer

San Francisco, CA · On-site

$130K - $200K/yr

About the Role A well-funded, seed-stage B2B SaaS startup in the supply chain integrations space is looking for a Founding Software Engineer to help shape the architecture, culture, and product ...

Emergent Software

Embedded Software Engineer

Carlsbad, CA · On-site

$150K - $190K/yr

Our client is seeking a Embedded Software Engineer (Battery Management System) to lead development ... Comfortable working in a fast-paced startup environment Nice to Haves * Automotive EV battery ...

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$180K - $220K/yr

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on ... Full-Time Priority: High About the Company The Company is a small, fast-paced startup in the ...

Hired Recruiters

Software Engineer

Redwood City, CA · On-site

We are looking for a highly skilled generalist software engineer who is comfortable with both front ... Ability to work quickly and independently--this is a startup! Strong preference for generalists.

Britive

Software Engineer

San Francisco, CA · On-site +1

About You You are a passionate Software Engineer who wants to develop and scale our multi-tenant ... startup environment. This position will report to the Engineering Manager. Your Impact Key ...

Hired Recruiters

Software Engineer

Austin, TX · On-site +1

We are looking for a highly skilled generalist software engineer who is comfortable with both front ... Ability to work quickly and independently-this is a startup! Strong preference for generalists.

Databento

Software Engineer (C++/Rust)

San Francisco, CA · On-site +1

Preferred background * 5+ years of full-time software engineering experience, preferably at a trading firm, tech company, or high-growth startup. * Strong proficiency in C/C++ or Rust. * Knowledge of ...

Bluon

... rapidly-growing startup, bringing the most innovative tech to the HVAC industry. Key ... Previous experience in software development, computer engineering, or other related fields

Epsilon3

Software Engineer

Los Angeles, CA · On-site

They are seeking Software Engineers who are passionate about space exploration and responsible for ... Startup & Agile software development methodologies is a plus Company : Epsilon3 is the OS for ...

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Full Time Software Engineer Startup information

What does a full time software engineer do at a startup?

A Full Time Software Engineer at a startup is responsible for designing, coding, testing, and maintaining software applications or systems that are central to the company’s product or service. In a startup environment, engineers often work on a wide range of tasks, from building new features and fixing bugs to collaborating on system architecture and deployment. They typically work closely with founders, designers, and other team members, adapting quickly to changing requirements and helping the company scale. The fast-paced and dynamic nature of startups often means engineers have significant ownership and impact on the final product.

What skills and qualifications are needed to thrive as a full time software engineer at a startup?

To thrive as a Full Time Software Engineer at a startup, you need strong programming skills, problem-solving abilities, and a degree in computer science or related field. Familiarity with modern development frameworks, cloud platforms, version control systems like Git, and agile methodologies is typically required. Adaptability, proactive communication, and a collaborative mindset help you excel in a fast-paced, evolving environment. These skills are crucial for quickly building, iterating, and scaling products while contributing effectively to a small, dynamic team.

What unique challenges might a full time software engineer face when working at a startup compared to a larger company?

As a Full Time Software Engineer at a startup, you may encounter rapidly changing priorities and a fast-paced environment where flexibility is key. Unlike larger companies with specialized teams, you’ll likely wear multiple hats, contributing to various parts of the tech stack and sometimes assisting with non-coding tasks. This dynamic can be both challenging and rewarding, offering opportunities to have a direct impact on the product and company growth. Close collaboration with founders and cross-functional teams is typical, fostering a culture of innovation and learning.

What is the difference between Full Time Software Engineer Startup vs Full Time Software Engineer Corporate?

AspectFull Time Software Engineer StartupFull Time Software Engineer Corporate
Work EnvironmentFast-paced, dynamic, small teamsStructured, larger teams, established processes
ResponsibilitiesBroader scope, wearing multiple hatsSpecialized, focused on specific areas
Career GrowthRapid learning, potential for quick advancementStructured career paths, steady progression
Compensation & BenefitsVariable, often equity-basedStable salary, comprehensive benefits

In summary, Full Time Software Engineer roles at startups offer a dynamic environment with broader responsibilities and potential for rapid growth, often with equity options. Corporate roles tend to provide more structure, specialized tasks, and stable compensation, making them suitable for those seeking stability and clear career progression.

What are the most commonly searched types of Software Engineer Startup jobs in California?

The most popular types of Software Engineer Startup jobs in California are:

What are popular job titles related to Full Time Software Engineer Startup jobs in California?

For Full Time Software Engineer Startup jobs in California, the most frequently searched job titles are:

What job categories do people searching Full Time Software Engineer Startup jobs in California look for?

The top searched job categories for Full Time Software Engineer Startup jobs in California are:

What cities in California are hiring for Full Time Software Engineer Startup jobs?

Cities in California with the most Full Time Software Engineer Startup job openings:

Full Time Software Engineer Startup jobs near you
Infographic showing various Full Time Software Engineer Startup job openings in California as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 83% Full Time, 12% Part Time, 1% Temporary, and 2% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution.

Senior Software Engineer

San Francisco, CA • On-site

Fuku
Food Services and Drinking Places • 51 - 200 employees
Learn more about Fukuexternal

$144K - $190K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 days ago

Job description

Senior Software Engineer
Location: San Francisco, CA (required 5 days/week in-office)
Type: Full-Time
Compensation: $150,000-$300,000
Equity: Competitive
Visa: H-1B, O-1, OPT
Priority: Hiring Multiple
Experience: 4-8 years
About Company
Client is an AI-native compliance platform trusted by over 100 high-growth startups, including Lovable, 11x, and Wispr Flow. Backed by Insight Partners, General Catalyst, and Y Combinator, Client recently raised a $32M Series A to accelerate its mission of automating compliance busywork. The team features former engineers and founders from OpenAI, DeepMind, Stanford, MIT, and Berkeley, all focused on eliminating manual workflows through automation.
- Stage: Series A
- Team Size: 11-50
- Founded: 2024
- Industry: AI Tools / Compliance Automation
Role Summary
Client is seeking a Senior Software Engineer to own mission-critical systems end-to-end. This role is ideal for an engineer who moves fast, ships to production frequently, and thrives in a high-impact environment.
You will:
- Architect and ship full-stack product features (React, TypeScript, Node.js, Postgres)
- Build scalable, AI-powered workflows for modern, fast-growing startups
- Work directly with founders and lead key technical decisions
- Mentor engineers and help define engineering culture
- Operate autonomously in a fast-paced environment with high trust and ownership
Responsibilities
- Design, build, and scale production systems end-to-end
- Ship full-stack features using React, TypeScript, Node.js, Postgres
- Own architectural decisions and influence long-term technical strategy
- Work closely with founders and cross-functional teams
- Build reliable, AI-powered automation workflows
- Improve internal tooling, developer experience, and performance
- Mentor junior engineers and help shape engineering best practices
Requirements
- 4-8 years engineering experience at a high-growth startup or top AI company (e.g., Stripe, Ramp, OpenAI, Anthropic)
- Strong backend or full-stack depth across React, Node.js, Postgres (or equivalent)
- Proven ability to ship and scale production systems
- Must be in-person in San Francisco, 5 days per week
- High-agency builder who thrives in ambiguity and self-unblocks
Benefits & Perks
- 100% medical, dental, vision (employee); partial for dependents
- 401k with employer match
- Unlimited PTO + federal holidays
- All meals covered in-office + GrubHub stipend
- Gym membership fully covered
- Frequent team dinners, events, off-sites
- Mission-driven work: eliminate busywork for humanity
Green Flags (Ideal Candidate Traits)
- Staff-level or quickly promoted engineer at a startup or AI-first company
- Former founder or strong 0→1 product-building experience
- Strong ownership, fast iteration speed, high autonomy
- Experience at companies like OpenAI, Stripe, Ramp, Retool, Brex, Databricks
Red Flags (Not a Fit)
- Never shipped live production systems
- Requires heavy process, micromanagement, or cannot operate autonomously
- Dislikes or avoids in-person work environments
- Long stints at large, slow companies with little ownership
- Weak reasoning or system-design communication
Ideal Companies
OpenAI, Stripe, Rippling, Ramp, Scale AI, Cursor, Retool, Brex, Anthropic, Databricks, Airtable
Interview Process
1. Pending Approval
2. Phone Screen
3. Superday (Technical, Founder, etc)
4. Reference Checks
5. Offer Extended
6. Hired
Biggest Note
- Client is looking for a candidate from the hottest startup in the US right now.
- If the candidate has Big Tech + top startup experience, they are almost certain to be shortlisted.
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About Fuku

Sourced by ZipRecruiter

Industry

Food services and drinking places

Company size

51 - 200 Employees

Headquarters location

New York, NY, US

Year founded

2015

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