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Software Engineer Startup Jobs in Wisconsin (NOW HIRING)

Compound Planning

Staff Software Engineer

Milwaukee, WI · On-site +1

$120K - $200K/yr

As a Staff Software Engineer , you will play a crucial role in delivering a best-in-class ... Demonstrated high degree of ownership and a startup mindset. * Strong communication and ...

Infleqtion

Sr Software Engineer

Madison, WI · On-site

$106K - $145K/yr

At Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused ... We are seeking a Senior Software Engineer to join the team building the control system software for ...

Infleqtion

Sr Software Engineer

Madison, WI

$106K - $145K/yr

At Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused ... We are seeking a Senior Software Engineer to join the team building the control system software for ...

Denari

Software Engineer

Madison, WI · On-site

We're a well-funded startup with 9 employees and a sister company to Lucida, with shared ownership ... Full-Stack Engineer (Denari) Location: Madison, WI (Hybrid) Employment Type: Full-time About Denari ...

Precision Drive and Control Inc

Controls Engineer

Monroe, WI · On-site

$78.70K - $101.80K/yr

Automation component and software programming. * Field engineering, service, and commissioning/startup activities. * Other duties as assigned. Required Qualifications: * Degree in Electrical ...

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$64.1K

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How much do software engineer startup jobs pay per year?

As of May 29, 2026, the average yearly pay for software engineer startup in Wisconsin is $148,903.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,100.00 and $174,600.00 per year, depending on experience, location, and employer.

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 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 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.
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Software Engineer Startup jobs near you

Staff Software Engineer

Compound Planning

Milwaukee, WI • On-site, Remote

$120K - $200K/yr

Full-time

Posted 22 days ago

Job description

Overview:
At Compound Planning, we're building the next-generation financial planning platform, and we need software engineers to help deliver that vision. As a Staff Software Engineer, you will play a crucial role in delivering a best-in-class experience that empowers clients to understand their comprehensive financial picture, collaborate seamlessly with advisors, and unlock powerful financial solutions.
You'll work in a collaborative, cross-functional team of engineers, product managers, and designers, using modern technologies to build high-quality, scalable, and innovative software. Your contributions will directly impact the success of our product and company.
Important Note on Work Authorization:
While we value diverse backgrounds and experiences, Compound is not currently able to sponsor work visas (including H-1B). Candidates must be authorized to work in the U.S. without sponsorship.
What you'll do:
  • Design, build, and maintain high-quality applications.
  • Lead feature implementation and own the end-to-end delivery of new features and enhancements, from concept to deployment.
  • Design elegant, scalable, and maintainable software solutions to solve complex business problems.
  • Collaborate closely with designers, product managers, and engineers to bring ideas to life.
  • Contribute to system architecture, ensuring performance, scalability, and security.
  • Review code, mentor teammates, and share best practices to elevate team performance.
  • Triage and resolve software defects, continuously improving application quality and user experience.
  • Stay at the forefront of development trends and innovations, driving technical excellence while delivering for the business.
  • Actively participate in agile software development, including planning, code reviews, demo and retrospectives.

Minimum Requirements:
  • 6+ years of experience delivering high quality software.
  • Experience building APIs, backend systems, frontends, and app architecture.
  • Deep technical expertise in one or more languages.
  • Strong understanding of computer science fundamentals and software engineering best practices.
  • Excellent problem-solving skills and ability to navigate ambiguous and evolving requirements.
  • Demonstrated high degree of ownership and a startup mindset.
  • Strong communication and collaboration skills within an agile team.
  • Ability to thrive in a fast-paced, dynamic environment with shifting priorities.
  • A growth mindset with a passion for continuous learning and improvement.
  • Ability to work core hours that align with US time zones.

Preferred Qualifications:
  • Experience in FinTech or working in a startup environment.
  • Strong grasp of modern, lean, web-application technologies
  • Familiarity creating integrations with external data sources and/or world class data visualizations
  • Familiarity with tools like Node.js, React, Next.js, Postgres, and AWS services.
  • Experience with CI/CD pipelines.
  • Understanding of security best practices.
  • Building, optimizing, or integrating AI/ML solutions.
  • Mobile development experience

Join us at Compound Planning and help shape the future of financial planning delivering a world-class experience!

Apply