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Senior Software Engineer Startup Jobs in California

Xoriant Corporation

Sr. Software Engineer - SOC

San Jose, CA · On-site

$143K - $189K/yr

Job Title: Sr. Software Engineer - SOC (318578) Job Location: San Jose, CA (100% remote for now but need to be onsite as soon as campus opens) Duration: 6+ months contract Client: Samsung Description:

Trynectar

Senior Software Engineer

Palo Alto, CA · On-site

$144K - $190K/yr

The Role We're looking for a Senior Software Engineer to help architect and scale the core systems ... Startup experience building early-stage or rapidly scaling products * Experience working with large ...

Tenex.AI Inc

Senior Software Engineer

San Jose, CA · On-site +1

$120K - $170K/yr

We're a fast growing startup backed by industry experts and top tier investors led by Crosspoint ... We are seeking a Senior Software Engineer to join our core engineering team. You will take ...

Jitx Inc.

Senior Software Engineer

Berkeley, CA · On-site

$150K - $250K/yr

We're a ~12-person startup building tools that bring software engineering practices to hardware design. The Role We're looking for a senior software engineer with a strong mathematical and ...

Jitx Inc.

Senior Software Engineer

Berkeley, CA · On-site +1

$150K - $250K/yr

We're a ~12-person startup building tools that bring software engineering practices to hardware design. The Role We're looking for a senior software engineer with a strong mathematical and ...

Allegion

Sr. Software Engineer

Fontana, CA · On-site

$124K - $164K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

OneSchema

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

We are a fast-growing startup backed by General Catalyst, Sequoia Capital, and Y Combinator. Our ... About the role We're looking for a full-time Sr. Software Engineer. As an early member of our ...

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 ...

Allegion Canada Inc.

Sr. Software Engineer

Fontana, CA · On-site

$124K - $164K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

Allegion

Sr. Software Engineer

Fontana, CA · On-site

$124K - $164K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

Worky

Senior Software Engineer

Sunnyvale, CA · On-site

$145K - $175K/yr

About the role iSono Health is looking for a senior software engineer to join as a key member of ... startup headquartered in Sunnyvale. Responsibilities * Design and implement robust software ...

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All JobsSoftware Engineer Startup JobsSenior Software Engineer Startup JobsSenior Software Engineer Startup Jobs in California

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 September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Sr. Software Engineer - SOC

San Jose, CA • On-site

Xoriant Corporation
IT Services • 1 - 5K employees
Learn more about Xoriant Corporationexternal

$143K - $189K/yr

Other

Re-posted 18 days ago

Job description

Job Title: Sr. Software Engineer – SOC (318578)

Job Location: San Jose, CA (100% remote for now but need to be onsite as soon as campus opens)

Duration: 6+ months contract

Client: Samsung

Description:

  • Senior Software Engineer, Developer Tools & Data Analysis Senior Software Engineer who will support our software team with data analysis tools.
  • The ideal candidate will be intricately involved in building analytical tools which can handle large data sets with state of the art visualization.

Responsibilities and duties:

  • Develop analytical tools to process big data sets.
  • Develop automation processes and tools to monitor and analyze test data for performance regression, trend analysis.
  • Implement statistical or other mathematical methodologies as needed for data analysis.

Qualifications and skills:

  • 5+ years of practical experience with software development application in database programming, data process and data analytics and data visualizing/presenting.
  • Coding knowledge and experience with several languages: C, C++, Java, JavaScript, Python, php, etc.
  • Experience working with and creating data architectures.
  • Experience working and building a web-based application.
  • Experience with Android is a plus.
  • Familiar with source control software such as GIT/Gerrite and Jira.
  • Excellent written and verbal communication skills.

Thanks & Regards,

Brijesh Pandey

Senior IT Recruiter

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