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Senior Software Engineer Startup Jobs in California

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 ... High About the Company The Company is a small, fast-paced startup in the Creator Tech industry. The ...

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 ... High About the Company The Company is a small, fast-paced startup in the Creator Tech industry. The ...

Fuku

Senior Software Engineer

San Francisco, CA

$144K - $190K/yr

Senior Software Engineer Location: San Francisco, CA (required 5 days/week in-office) Type ... 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 · On-site

$144K - $190K/yr

Senior Software Engineer Location: San Francisco, CA (required 5 days/week in-office) Type ... startup or top AI company (e.g., Stripe, Ramp, OpenAI, Anthropic) - Strong backend or full-stack ...

S:23 Recruitment

Senior Software Engineer

Los Angeles, CA · On-site

$130K - $200K/yr

S23 - AI Senior Software Engineer: Data Platform Location: On-site, Los Angeles, CA Salary: $130 ... VC-backed startup is building the data infrastructure for world-model AI, sitting at the ...

Nectar Social

Senior Software Engineer

Palo Alto, CA · On-site

$144K - $190K/yr

The Senior Software Engineer will help architect and scale the core systems that power the platform ... moving startup environments with high ownership and autonomy • Strong product intuition and ...

Typeface

Senior Software Engineer

Palo Alto, CA · Hybrid

$188K - $200K/yr

What You'll Do As a Senior Software Engineer, Platform, you will be responsible for building ... Experience working at a high-growth startup or tech company. Location This is a hybrid role ...

New

Hired Recruiters

Senior Software Engineer

San Francisco, CA · On-site +1

$144K - $190K/yr

We're looking for a Senior Software Engineer to join us full time to expand and improve our core ... Initiate and scale the core product of a rapidly growing startup, backed by top investors in the ...

CommodityAI

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

What You'll Do As a Senior Software Engineer, you will own core technical pillars of our operating ... startup environments who prefers context over control and operates with a high degree of agency ...

Intellecruit

Senior Software Engineer

Redwood City, CA

$150K - $197K/yr

Key Responsibilities As a Senior Software Engineer in Robotics, you will: * Championing the ... Experience in launching products within a dynamic and agile startup environment. * Proficiency in ...

Britive

Senior Software Engineer

San Francisco, CA · On-site +1

$144K - $190K/yr

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

Parakeet Health

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

They are seeking a Senior Software Engineer to develop and enhance their platform, leveraging large ... startup is a plus. • Genuine belief that agentic tools are the future of how software gets built.

Turing Labs

Senior Software Engineer

Palo Alto, CA · On-site

$144K - $190K/yr

They are seeking a Senior Software Engineer to own the development of AI-powered product features ... startup environment • Want to work in-person with a small team to move fast and win together ...

OneSchema

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

OneSchema is a fast-growing startup focused on AI document automation to eliminate manual data entry in large enterprises. The Senior Software Engineer will play a key role in developing AI agent ...

Whatnot

Senior Software Engineer

San Francisco, CA · On-site

$207K - $230K/yr

We're one of the fastest growing marketplaces and were recently named the #1 Best Startup Employer ... Role We're hiring Senior Software Engineers across multiple engineering pillars at Whatnot ...

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Senior Software Engineer Startup information

What does a senior software engineer do at a startup?

A Senior Software Engineer at a startup is responsible for designing, developing, and maintaining the core software products or services. They often take on a broad range of tasks, including coding, code reviews, system architecture, and mentoring junior team members. In a startup environment, they may also contribute to product decisions, help set technical direction, and quickly adapt to changing priorities. Their role is critical in building scalable, reliable solutions while fostering innovation and collaboration within a small, fast-paced team.

What are some unique challenges senior software engineers face when working at a startup compared to a larger company?

Senior Software Engineers at startups often navigate a fast-paced, rapidly changing environment where priorities can shift quickly. Unlike at larger organizations with established processes and specialized teams, startup engineers may wear multiple hats, handling everything from architecture decisions to hands-on coding and even DevOps tasks. This role typically requires a high degree of autonomy and the ability to make impactful technical decisions with limited resources. The collaborative nature means frequent interaction with product managers, designers, and often even company leadership, creating opportunities for broad influence but also demanding strong communication and adaptability.

What are the key skills and qualifications needed to thrive as a senior software engineer at a startup, and why are they important?

To thrive as a Senior Software Engineer at a startup, you need advanced programming abilities, architectural design experience, and a solid understanding of software development lifecycles, typically backed by a bachelor's degree in computer science or a related field. Familiarity with modern frameworks, cloud platforms (like AWS or Azure), version control systems (such as Git), and agile methodologies is essential, with certifications in relevant technologies being advantageous. Strong problem-solving, adaptability, and effective communication skills help you navigate the dynamic startup environment and mentor junior team members. These skills are crucial to rapidly building scalable solutions, driving innovation, and supporting business growth in a fast-paced and often ambiguous setting.

What is the difference between Senior Software Engineer Startup vs Software Engineer Startup?

AspectSenior Software Engineer StartupSoftware Engineer Startup
Required CredentialsBachelor's/Master's in CS or related field, 3+ years experienceBachelor's in CS or related field, 0-2 years experience
Work EnvironmentFast-paced startup, leadership responsibilities, mentorshipCollaborative team, learning-focused, entry-level to mid-level tasks
Employer & Industry UsageTech startups, scale-ups, innovative projectsEarly-stage startups, product development teams
Common Search & ComparisonHigher responsibility, technical expertise, leadershipLearning opportunities, foundational skills, growth potential

The main difference between a Senior Software Engineer Startup and a Software Engineer Startup lies in experience, responsibilities, and leadership. Senior Software Engineers typically have more experience, take on mentorship roles, and handle complex projects, while Software Engineers are often in entry to mid-level positions focused on skill development and supporting team tasks.

How much does a senior software engineer startup make?

A senior software engineer at a startup typically earns between $100,000 and $160,000 annually, depending on location, experience, and company size. Compensation may also include stock options or equity, especially in early-stage startups, and often requires proficiency in programming languages like Python, Java, or JavaScript.

Is there a shortage of senior software engineers?

There is a high demand for senior software engineers across many industries due to the ongoing need for advanced technical skills, experience with programming languages like Java, Python, and cloud platforms, and leadership abilities. This demand often results in competitive salaries and opportunities, especially for those with strong problem-solving skills and experience in fast-paced startup environments.

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 Senior Software Engineer Startup jobs in California?

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

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

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

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

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

Senior Software Engineer Startup jobs near you
Infographic showing various Senior Software Engineer Startup job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 66% In-person, and 34% Remote job distribution.

Senior Software Engineer

San Francisco, CA

Elite Talent Consulting Corp.
See more jobs at Elite Talent Consulting Corp.external

$170K - $220K/yr

Full-time

Re-posted 18 days ago

Job description

Senior Software Engineer – San Francisco
A fast-growing, venture-funded startup in San Francisco is looking for an experienced Software Engineer to join its expanding team. As the company scales rapidly, they are seeking top-tier talent to enhance core products, develop cutting-edge technologies, and contribute to key architectural decisions in a collaborative, fast-paced environment. This is a fully onsite role requiring candidates to work from the San Francisco office.
Responsibilities: Design, develop, and deploy scalable web applications using modern technologies such as TypeScript, Node.js, Next.js, React, Python, Kotlin. Collaborate with cross-functional teams to solve complex technical challenges. Write clean, maintainable code and conduct code reviews to ensure best practices. Participate in architectural decisions to improve system scalability and performance. Build intuitive, robust user interfaces to enhance the end-user experience.
Qualifications:✅ 4-12 years of professional software development experience.✅ Expertise in one or more of the following: TypeScript, Node.js, React, Next.js, Python, Kotlin.✅ Bachelor’s or Master’s degree in Computer Science from a top-tier university (e.g., Stanford, MIT, UC Berkeley).✅ Proven ability to thrive in a fast-paced startup environment.✅ Strong problem-solving skills and a collaborative mindset.
Compensation & Benefits: Salary: $170,000 - $220,000 per year. Competitive equity package. Comprehensive health benefits. Professional development opportunities.
If you're a high-impact engineer looking to grow with a dynamic, venture-backed startup, apply now!

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