Senior Software Engineer

Posted 4 Days Ago
Be an Early Applicant
Irvine, CA, USA
In-Office
137K-182K Annually
Senior level
Mobile • Software • Analytics
The Role
Design, build, operate, and maintain scalable Ruby on Rails and React systems for Kajabi’s SaaS platform. The role owns features end to end, including reliability, observability, architecture, testing, and maintainability. It also requires product thinking, customer-focused decision-making, AI-assisted development, cross-functional collaboration, system design leadership, code reviews, and mentoring engineers. This is a full-time, in-person position in Irvine, California, five days per week.
Summary Generated by Built In
About Us

Kajabi is in the middle of a once-in-a-decade transformation.

After fifteen years, our founders returned to rebuild Kajabi with the same speed, hunger, and grit that sparked the original movement. We’re not a corporate SaaS company trying to play it safe - we’re a team of builders rewriting the future of the expert economy.

Millions of people around the world rely on Kajabi to share what they know and change lives because of it. Our Heroes aren’t “customers”… they’re everyday entrepreneurs using Kajabi to build freedom for themselves and impact for others.

If you want to be part of a company moving fast, raising the bar, and building something that actually matters - welcome in.

To the Engineer We Haven't Met Yet

We are looking for a Senior Software Engineer to join us at Kajabi.

The people who use Kajabi are building real businesses. They're creating transformative learning experiences. Showing up for their customers and communities every day. What we ship becomes part of how they do that work. That's the weight of this job, and it's what makes it worth doing.

Our founders just came back to lead the company. The energy is different now. An ambition to take big swings, ship fast, and build something that matters to real people. That's the moment you'd be walking into.

We're obsessed with getting it right. The interaction that feels just right. The moment that makes someone stop and say "wow." Experiences that feel obvious in use. Clear, stable, and thoughtfully composed.

Here's what that actually looks like.

What You'll Do

Kajabi is hiring a Senior Software Engineer to join our engineering team in Irvine, Ca. This is a full time, in-person role at our headquarters. You'll work on a cross-functional product team, owning systems and features that directly impact how thousands of creators build their businesses.

This isn't a heads-down coding role. Senior Software Engineers here are expected to think like product owners, ship like engineers, and use AI tools to do both faster. You'll bring technical judgment into product conversations, shape what gets built and why, and help the team deliver solutions that customers actually value.

The Impact you will make
  • Design, build, and maintain scalable systems and APIs in Ruby on Rails and React.
  • Take ownership of systems end to end including reliability, observability, and long-term maintainability.
  • Use AI coding tools as a core part of how you work, accelerating delivery, prototyping solutions, and writing better code faster.
  • Bring genuine product thinking to the table: engage in discovery, ask questions about user behavior, and help the team make smart trade-offs between customer value and technical complexity.
  • Use data and customer research to inform your technical decisions and advocate for the right solutions.
  • Collaborate closely with Product, and Design; not just during implementation, but during planning and discovery.
  • Lead system design conversations and contribute to architecture decisions that affect your team's long-term direction.
  • Write clean, testable, maintainable code and bring that same standard to your code reviews.
  • Mentor other engineers by sharing context, giving thoughtful feedback, and helping them grow.
Attributes for Success
  • You have strong, hands-on experience with Ruby on Rails, React, and Postgres. You're comfortable across the full stack.
  • You use AI tools as a real part of your workflow, not just occasionally. You know how to get the most out of them and you review AI-generated output with the same rigor you'd apply to any other code.
  • You think about what you're building, not just how. You care whether the product actually solves a real problem for real users.
  • You make pragmatic decisions. You're not afraid to push back, but once the team is aligned, you commit and execute.
  • You've shipped and operated features in a high-traffic SaaS environment and understand what it takes to keep systems running well.
  • You're experienced with cloud deployment on AWS, and you're comfortable with supporting infrastructure like Sidekiq, and Redis.
  • You know when to move fast and when to slow down. You understand that bugs in production have real consequences for real people.
  • You can get yourself unstuck most of the time and recognize when it's time to ask for help.
  • You communicate clearly;  in code reviews, design discussions, and conversations with non-engineers alike.
  • You're curious and keep learning, especially as AI tools and best practices continue to evolve quickly.
Kajabi Team Benefits Package
  • Competitive full-time salary + bonus
  • Full medical, dental, and vision (company-paid for you + family)
  • 401(k) with 6% match
  • Flexible PTO
  • Fitness + wellness perks
  • Mental health resources
  • In-office lunches, collaboration days, and leadership growth opportunities
How We Work Together

For this role, we expect regular onsite presence at our Irvine, CA office 5 days per week.

If you’re not currently located in Irvine, CA , we’re glad to provide relocation support for strong candidates who want to join us in person.

Pay Range

At Kajabi we believe the workplace should be equitable, inclusive, and inspiring for every employee. In an effort to provide greater transparency, we are sharing the base salary range for this position.  Final salary is based on a number of factors including location, travel, relevant prior experience, or particular skills and expertise.

  • US based applicants only.
  • $137,000- $182,000 + bonus
How To Apply

If you're hungry to do the best work of your career, on a product that actually matters, let's talk.

Kajabi LLC  is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, disability, age, veteran status, or any other basis protected by applicable law.

Skills Required

  • Strong hands-on experience with Ruby on Rails, React, and Postgres across the full stack
  • Regular use of AI coding tools, including reviewing AI-generated code rigorously
  • Experience shipping and operating features in a high-traffic SaaS environment
  • Experience with cloud deployment on AWS
  • Experience supporting infrastructure such as Sidekiq and Redis
  • Experience with scalable systems, APIs, reliability, observability, and maintainable architecture
  • Experience contributing to product discovery, technical trade-offs, and customer-focused solutions
  • Experience leading system design or architecture discussions
  • Experience writing clean, testable code and conducting code reviews
  • Experience mentoring other engineers
  • Clear communication with engineers, product, design, and non-technical stakeholders
  • Ability to work onsite in Irvine, California five days per week
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The Company
HQ: Irvine, CA
318 Employees
Year Founded: 2010

What We Do

Since its founding in 2010, Kajabi has empowered knowledge entrepreneurs who are serious about their business to achieve success online. With its robust, ever-expanding set of tools and features, Kajabi’s all-in-one knowledge commerce platform leads the industry and helps people to turn what they know into what they do. Kajabi provides every tool they need to package their knowledge into profitable online courses, coaching programs, membership sites, and more. Used by both seasoned business owners and first-time knowledge entrepreneurs, Kajabi has helped its customers generate over $2 billion in sales. Not only that, but Kajabi customers have reached nearly 50 million people across the globe with their valuable educational content. Kajabi is proud to foster a company culture rooted in excellence, diversity & inclusion, humanity, and collaboration that has been officially recognized in 2021 as: - Best Workplace for Innovators by Fast Company - Best Place to Work by the Orange County Business Journal - As an Inc. 5000 Fastest-Growing Company

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