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Senior Software Engineer Startup Jobs (NOW HIRING)

Garner Health

Senior Software Engineer

New York, NY

$230K - $285K/yr

We are seeking an exceptional Senior Software Engineer to join our Engineering team . Garner ... fast paced startup environment * Demonstrated ability to build complex systems using AI coding ...

Beli

Senior Software Engineer

Manhattan, NY · On-site

$134K - $177K/yr

As a Senior Software Engineer, you will lead the research, design, implementation, and support of ... product features in a startup or high-growth environment • Highly skilled in Javascript ...

Alumni Ventures

Senior Software Engineer

Andover, MA · On-site

$123K - $163K/yr

They are seeking a Senior Software Engineer to solve complex business problems through software ... of startup investments. Founded in 2014, the company is headquartered in Manchester, USA, with a ...

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 ...

Take2 AI

Senior Software Engineer

New York, NY · On-site

$140K - $200K/yr

About The Role Take2 AI is hiring a hands-on Senior Software Engineer to lead and scale the ... startup (Series A or lower) * Demonstrated hands-on technical leadership-ownership of a domain ...

ETAP Software

Senior Software Engineer

Irvine, CA · On-site

$129K - $171K/yr

They are seeking a Senior Software Engineer to maintain and enhance software that supports state estimation and virtual metering for complex electrical networks, as well as develop REST APIs and ...

Skyways

Senior Software Engineer

Austin, TX · On-site

$121K - $160K/yr

They are seeking a Senior Software Engineer to help build and evolve SkyNav, their mission planning ... software in startup or high ownership environments. • Experience building software for ...

Zócalo Health

Senior Software Engineer

Washington, DC · On-site

$170K - $180K/yr

Senior Software Engineer Remote (Full Time) This role is open to candidates located on the East ... Experience working in startup or high-growth environments with a high degree of ownership ...

Steadily

Senior Software Engineer

Austin, TX · On-site

$121K - $160K/yr

Engineering Salary: Top of market salary + equity We're hiring a Senior Software Engineer with ... Recently we were ranked 16th on Forbes' 2026 Best Startup Employers list, and 63rd on the ...

Steadily

Senior Software Engineer

Austin, TX · On-site

$121K - $160K/yr

Engineering Salary: Top of market salary + equity We're hiring a Senior Software Engineer with ... Recently we were ranked 16th on Forbes' 2026 Best Startup Employers list, and 63rd on the ...

Ellipsis Labs, Inc

Senior Software Engineer

New York, NY · On-site

$170K - $250K/yr

Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and ... The Opportunity Ellipsis Labs is seeking a Senior Software Engineer to join our team. In this role ...

Deloitte

Senior Software Engineer with Secret

Arlington, VA · On-site

$140K - $185K/yr

Share this job: Share: Share Senior Software Engineer with Secret with Facebook Share Senior Software Engineer with Secret with LinkedIn Share Senior Software Engineer with Secret with Twitter ...

Deloitte

Senior Software Engineer with Secret

Arlington, VA · On-site

$140K - $185K/yr

Share this job: Share: Share Senior Software Engineer with Secret with Facebook Share Senior Software Engineer with Secret with LinkedIn Share Senior Software Engineer with Secret with Twitter ...

SelektIT

Senior Software Engineer

Houston, TX

$117K - $154K/yr

Senior Software Engineer Location: Houston, TX, USA Overview: * We are currently seeking a highly skilled and experienced Senior Software Engineer to join our dynamic team. * As a Senior Software ...

EliseAI

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

As a Senior Software Engineer, you will build impactful software that enhances business operations ... Required : • Startup mindset with a strong sense of ownership, urgency, and pragmatism in ...

EliseAI

Senior Software Engineer

Manhattan, NY · On-site

$134K - $177K/yr

As a Senior Software Engineer, you will build impactful software solutions, collaborating with a ... Required : • Startup mindset with a strong sense of ownership, urgency, and pragmatism in ...

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Senior Software Engineer Startup information

See salary details

$75.5K

$143.3K

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

As of Aug 6, 2026, the average yearly pay for senior software engineer startup in the United States is $143,292.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,500.00 and $161,500.00 per year, depending on experience, location, and employer.

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.

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.
More about Senior Software Engineer Startup jobs
What cities are hiring for Senior Software Engineer Startup jobs? Cities with the most Senior Software Engineer Startup job openings:
What are the most commonly searched types of Software Engineer Startup jobs? The most popular types of Software Engineer Startup jobs are:
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What job categories do people searching Senior Software Engineer Startup jobs look for? The top searched job categories for Senior Software Engineer Startup jobs are:
Senior Software Engineer Startup jobs near you
Infographic showing various Senior Software Engineer Startup job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 57% In-person, and 43% Remote job distribution, with an average salary of $143,292 per year, or $68.9 per hour.

Senior Software Engineer

Garner Health

New York, NY

$230K - $285K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted yesterday

Job description

About the role:

We are seeking an exceptional Senior Software Engineer to join our Engineering team. Garner's Engineering team tackles incredibly hard technical problems for a mission that truly matters. Our systems analyze billions of medical records to rank healthcare providers across the country. We are an AWS + Kubernetes shop, and we are constantly introducing new technologies as our system load doubles every year. We expect our engineers to champion cutting-edge industry practices as we aggressively embrace AI in every facet of our operations and norms. We are seeking teammates who take pride in delivering their best work while fostering a strong team culture.

Where you will work:

This role will be based in our New York City office (in the Financial District). You must be willing to work in the office 3 days per week on Tuesday, Wednesday and Thursday. 

What you will do:
  • Lead technical strategy and decision-making on assigned domains
  • Use AI to build, optimize, and maintain software systems
  • Mentor and uplevel early-career engineers
  • Collaborate across disciplines to understand our domain and iterate on projects
  • Protect our users' privacy and security through best practices
The ideal candidate has:
  • 4+ years of software engineering experience
  • A generalist software engineering mindset ready to learn new languages, frameworks, and techniques required for a fast paced startup environment
  • Demonstrated ability to build complex systems using AI coding agents (we use Claude Code)
  • The ability to learn quickly and mentor others
  • Familiarity with data security and HIPAA compliance
  • A desire to be a part of a high-performing, mission-driven team that operates with intense urgency, a strong sense of individual accountability, and a commitment to authentic feedback
Technologies we use: 
  • Claude Code, Kubernetes, AWS, Airflow, dlt, dbt, Python, TypeScript, React, Go

This is a unique opportunity to join a fast-growing company in a transformative role, helping shape the future of healthcare.

Compensation Transparency:

The target salary range for this position is $230,000 - $285,000. Individual compensation for this role will depend on various factors, including qualifications, skills, and applicable laws. In addition to base compensation, this role is eligible to participate in our equity incentive and competitive benefits plans, including but not limited to: flexible PTO, Medical/Dental/Vision plan options, 401(k), Teladoc Health and more.

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