Systems Developer Co-op; Fall - G&A

Overview

Klaviyo is seeking a G&A Technology Software Developer Co-op to join our Global Technology Solutions team. In this role, you’ll help build and improve the software, integrations, and automation that power how our employees and internal teams work every day.

You’ll work at the intersection of People Technology and Finance Technology
, supporting systems across HR, Payroll, Compensation, Equity, and Finance Operations. This is a hands-on engineering role where you’ll write production code, collaborate closely with stakeholders, and ship solutions that have immediate internal impact.

• Build and enhance APIs, integrations, and automations across People and Finance technology systems (Workday, Net Suite, Greenhouse)
• Collaborate with engineers and internal stakeholders to translate business needs into scalable technical solutions
• Improve internal user experiences by simplifying workflows, reducing manual steps, and increasing system reliability
• Participate in agile development practices
  , including sprint planning, code reviews, testing, and iterative delivery
• Write clear technical documentation and support testing across multiple user personas
• Support audit and compliance efforts through thoughtful system design, logging, and documentation
• Explore opportunities to apply modern tooling and automation to make internal systems more efficient

• Enjoy shipping code early and often in an agile fashion while partnering with business users to craft better software by soliciting feedback and understanding business needs
• Embrace Klaviyo’s “always learning” culture that fosters learning at every level, constantly pushing yourself to be a better engineer
• You’ve already experimented with AI in work or personal projects, and you’re excited to dive in and learn fast. You’re hungry to responsibly explore new AI tools and workflows, finding ways to make your work smarter and more efficient.

• Undergraduate student graduating between December 2026 – May 2028 pursuing a degree in Computer Science, Software Engineering, Systems Engineering, Computer Information Systems
  , or a related field
• Have completed at least one prior software engineering internship or co-op
• Experience with one or more Python, Java, XML
• Familiarity with APIs, databases, or web technologies
• Curious, self-motivated, and comfortable learning new systems and domains
• Strong problem-solving skills and enjoy working through ambiguity
• Clear communicator who enjoys collaborating with both technical and non-technical partners
• Detail-oriented and interested in building reliable, maintainable internal systems

Massachusetts Applicants:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location.

In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.

Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.

Base Pay Range For US Locations: $31 - $31 USD

Get to Know Klaviyo

We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from…