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Software Engineer Startup Jobs (NOW HIRING)

Join our fast-paced and passionate team as a Senior Software Engineer. As we scale, you will be ... This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ...

... engineers and leaders, some already well known in the software industry for their record of ... You want to experience an early stage startup What you'll be responsible for: * Collaborating with ...

... engineers and leaders, some already well known in the software industry for their record of ... You want to experience an early stage startup What you'll be responsible for: * Collaborating with ...

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 ...

Software Engineer 3

San Diego, CA · On-site

$125K - $175K/yr

Join our fast-paced and passionate team as a Senior Software Engineer. As we scale, you will be ... This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ...

Software Engineer

Huntington Beach, CA · On-site

$130K - $200K/yr

We're not just another composites shop-we're a technology-first manufacturing startup building the ... We are looking for highly motivated Software Engineers to join our team as key members of our ...

We're not just another composites shop-we're a technology-first manufacturing startup building the ... We are looking for highly motivated Software Engineers to join our team as key members of our ...

Joining an up-and-coming startup with plans to disrupt the financial services sector * Being ... Mentorship to grow as a software engineer and as a stock/option trader * Potential to grow within ...

Software Engineer 3

San Diego, CA · On-site

$125K - $175K/yr

Join our fast-paced and passionate team as a Senior Software Engineer. As we scale, you will be ... This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ...

Software Engineer

Huntington Beach, CA · On-site

$130K - $200K/yr

We're not just another composites shop--we're a technology-first manufacturing startup building the ... We are looking for highly motivated Software Engineers to join our team as key members of our ...

Software Engineer

New York, NY · On-site

$160K - $260K/yr

Qualifications * 4+ years of professional software engineering experience (startup or small-team experience is a plus) * Proven ability to lead and deliver technically challenging, cross-functional ...

Joining an up-and-coming startup with plans to disrupt the financial services sector * Being ... Mentorship to grow as a software engineer and as a stock/option trader * Potential to grow within ...

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

Do you thrive in a startup vibe? Were you built for a small, nimble and dynamic team that's ready ... full stack software engineer developing scalable and resilient event-driven and API-based ...

Louis based startup studio. In other words, we're a tech startup that creates tech startups. We ... Software development, namely development of server side applications and REST APIs using NodeJS ...

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Software Engineer Startup information

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$63.5K

$147.5K

$205.5K

How much do software engineer startup jobs pay per year?

As of Jul 17, 2026, the average yearly pay for 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 are the key skills and qualifications needed to thrive in the Software Engineer Startup position, and why are they important?

To thrive as a Software Engineer in a startup environment, you need solid programming skills, a problem-solving mindset, and a degree in computer science or related experience. Familiarity with agile methodologies, cloud platforms, version control (like Git), and rapid prototyping tools is highly valued, and startup engineers may also benefit from exposure to full-stack development. Adaptability, effective communication, and the ability to work independently in uncertain environments are standout soft skills. These competencies enable engineers to rapidly iterate on products, effectively collaborate across small teams, and contribute to the dynamic demands of a growing company.

What is a Software Engineer Startup job?

A Software Engineer Startup job involves developing, testing, and maintaining software in a fast-paced, early-stage company. Engineers in startups often wear multiple hats, working on both backend and frontend development, infrastructure, and sometimes even product decisions. The role requires adaptability, problem-solving skills, and the ability to work with limited resources. Unlike larger companies, startup engineers may need to prototype quickly, iterate based on user feedback, and contribute to the overall growth strategy. This position is ideal for those who enjoy dynamic environments and taking ownership of projects.

What can I expect from the daily work environment as a Software Engineer at a startup?

Working as a Software Engineer at a startup typically means you'll be part of a small, agile team where roles and responsibilities can shift quickly based on company needs. You'll often participate in daily stand-ups, collaborate closely with founders or product leads, and have the opportunity to contribute ideas beyond your core coding tasks. The pace is usually fast, and you'll likely wear multiple hats, working on everything from prototyping new features to troubleshooting production issues. This hands-on, collaborative atmosphere provides excellent opportunities for skill growth, creative problem-solving, and making a visible impact on the company's direction.

What cities are hiring for Software Engineer Startup jobs? Cities with the most 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:
What states have the most Software Engineer Startup jobs? States with the most job openings for Software Engineer Startup jobs include:
Infographic showing various Software Engineer Startup job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $147,524 per year, or $70.9 per hour.

$125K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 10 days ago


Job description

Join our fast-paced and passionate team as a Senior Software Engineer. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You'll have the opportunity to work on cutting edge technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth. Your key responsibilities are as follows:

  • Develop and maintain C++ software for instrument communication and GUI applications.
  • Implement and improve Qt-based graphical user interfaces for commercial and internal applications.
  • Design and develop reliable software components that interact with hardware devices.
  • Write unit tests using Google Test to ensure software reliability and robustness.
  • Use CMake to manage build configurations and dependencies.
  • Collaborate with cross-functional teams, including firmware, hardware, and software engineers.
  • Participate in code reviews, provide constructive feedback, and adhere to best coding practices.
  • Maintain clear and well-structured documentation.
  • Work independently and in a team while over communicating with the manager, project engineer, and the teammates.
  • Use tenacity, patience, self-discipline, and passion for excellence to assure accuracy of execution schedule, data quality/integrity, conformance to company best practices, clarity in communication, and documentation.
  • Use every opportunity to grow competency through mentorship, curiosity, communication, exposure, and initiative.

Requirements

  • This position requires access to export-controlled information. Employment is contingent upon the applicant being a U.S. person as defined by 8 U.S.C. 1324b(a)(3).

Experience:

  • A bachelor's degree in Software Engineering, Computer Engineering, or a related field.
  • Minimum of 5 years of relevant experience, ideally within a startup or technology company.

Skills:

  • 5+ years of professional experience in C++ software development.
  • Strong understanding of modern C++ (C++ 14/17/20).
  • Experience with Qt 6 for GUI development with Qt Widgets & QML.
  • Experience with CMake for build and project configuration.
  • Familiarity with unit testing frameworks, preferably Google Test.
  • Ability to debug, profile, and optimize C++ applications.
  • Experience working with version control systems (Git).
  • Strong problem-solving skills and ability to work independently and in a team.
  • Experience with instrument communication protocols (e.g., SCPI, FTDI USB, Ethernet, Serial).
  • Familiarity with multi-threaded programming and concurrency in C++.
  • Knowledge of software best practices, including design patterns, SOLID principles, and performance optimization.
  • Experience working in an agile development environment.

Startup Mindset:

  • You're creative, flexible, and eager to wear multiple hats.
  • You're passionate about building systems from the ground up and comfortable with ambiguity and change.

Benefits

The expected annual salary range for this position is $125,000-$175,000.

As a full-time employee, you will be eligible for Monarch's comprehensive benefits package, which includes:

  • Medical, Dental, and Vision insurance
  • Fidelity 401(k) plan with 4% employer matching
  • 20 paid time off (PTO) days per year
  • 13 paid company holidays
  • 9/80 work schedule (every other Friday off)

Monarch Quantum is proud to be an equal opportunity employer and does not discriminate on the basis of race, color, citizenship status, national origin, ancestry, sex, sexual orientation, age, religion, creed, physical or mental disability, medical condition, marital status, veteran status or any other characteristics protected under applicable federal, state and local laws.