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Klaviyo

60 Klaviyo Software Jobs Hiring Near You

Klaviyo

Senior Software Engineer, Customer Agent

Boston, MA · On-site

$133K - $175K/yr

Klaviyo is a company that empowers creators to own their destiny by making first-party data ... software engineering role. • Strong experience developing end-to-end software solutions or ...

Klaviyo

Senior Software Engineer, Customer Agent

Boston, MA

$133K - $175K/yr

The Customer Agent team is building one of Klaviyo's most ambitious and strategic product areas: an ... Strong experience developing end-to-end software solutions or extensive experience across both ...

Klaviyo

Senior Lead AI Software Engineer

Boston, MA · On-site

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ... As a Senior Lead Software Engineer on Amplify, you will: * Independently own and drive high-impact ...

Klaviyo

Sr. Software Engineer, AI Enablement

Boston, MA · On-site

$133K - $175K/yr

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ... Senior Software Engineer, AI Enablement Why You Should Join the AI Enablement Team Join our dynamic ...

Klaviyo

Sr. Software Engineer, AI Enablement

Boston, MA · On-site

$133K - $175K/yr

Klaviyo is a company that empowers creators by making first-party data accessible and actionable. They are seeking a Senior Software Engineer for their AI Enablement team to drive the adoption of AI ...

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Klaviyo Jobs Information

What is it like to work at Klaviyo?

Klaviyo is a company that prioritizes innovation and customer-centricity, fostering a culture of experimentation and collaboration among its employees. The company's structure is designed to encourage cross-functional teamwork, with a flat organizational hierarchy and open communication channels, allowing employees to work closely with various departments and contribute to the development of email marketing and e-commerce solutions. Working at Klaviyo may appeal to candidates who are passionate about technology and customer experience, as the company offers opportunities for professional growth, flexible work arrangements, and a dynamic work environment that supports creativity and innovation.

What makes Klaviyo an attractive place to work?

Klaviyo is a leading marketing automation platform that has established itself as a prominent player in the e-commerce industry, helping businesses of all sizes to build strong customer relationships and drive revenue growth.

The company's workplace culture is characterized by a fast-paced and innovative environment, where employees are encouraged to collaborate and share ideas to drive product development and customer success. Klaviyo also prioritizes employee growth and development, offering opportunities for professional advancement and skill-building through training programs and mentorship.

Joining Klaviyo can be an attractive option for those seeking a challenging and dynamic work environment where they can make a meaningful impact on the company's mission to help businesses succeed in a rapidly changing market.

What are the most popular job types at Klaviyo?

    What are the most popular jobs at Klaviyo?

    What are the most popular categories at Klaviyo?

    Infographic showing various Software job openings at Klaviyo in the United States as of August 2026, with employment types broken down into 98% Full Time, and 2% Contract. Highlights an 88% Physical, and 12% Hybrid job distribution.

    Senior Software Engineer, Customer Agent

    Klaviyo

    Boston, MA • On-site

    $133K - $175K/yr

    Full-time

    Re-posted 29 days ago

    Job description

    Job Summary:
    Klaviyo is a company that empowers creators to own their destiny by making first-party data accessible and actionable. They are seeking a Senior Full Stack Engineer to help build their AI-native conversational platform, focusing on developing scalable systems and enhancing customer experiences across multiple channels.
    Responsibilities:
    • Help build the future of Customer Agent, Klaviyo’s AI-native conversational platform.
    • Design, build, and scale systems that power intelligent workflows, conversational experiences, tools integrations, retrieval systems, onboarding flows, observability, and multi-channel customer engagement.
    • Develop both foundational platform capabilities and customer-facing experiences that enable brands to launch, customize, and continuously improve their own highly-configurable AI agents.
    • Tackle complex technical and product challenges, develop multiple solution paths, and evaluate business and architectural trade-offs to determine the best approach.
    • Act as a technical leader and mentor, driving engineering quality, execution, and decision-making across projects.
    • Deploy well-designed, thoroughly tested solutions that prioritize reliability, scalability, and customer impact.
    Qualifications:
    Required:
    • A proven track record of building high-quality products and systems, with pride in writing clean, maintainable, high-quality code.
    • 7+ years of experience in a software engineering role.
    • Strong experience developing end-to-end software solutions or extensive experience across both front-end and back-end technologies.
    • Experience building scalable, customer-facing systems in fast-moving product environments - we operate like a startup inside of Klaviyo.
    • Experience leading projects and being accountable for technical and business outcomes.
    • Experience mentoring team members or driving initiatives that help the team grow and learn new skills.
    • Experience conducting code reviews and maintaining a robust testing and deployment cycle.
    • Curiosity and enthusiasm for AI-native product development, including practical experience experimenting with LLMs, AI tooling, or agentic workflows in professional or personal projects.
    • Excitement about leveraging AI to improve engineering velocity, customer experiences, and operational workflows.
    • A strong product mindset and willingness to collaborate cross-functionally to solve ambiguous problems with urgency and pragmatism.
    Preferred:
    • Skills with Python and related technologies.
    • Skills with React and related technologies.
    • Experience building conversational AI systems, workflow engines, or agentic platforms.
    • Experience with retrieval systems, embeddings, eval frameworks, or LLM orchestration patterns.
    • Experience building cloud-native solutions, ideally with AWS.
    • Experience developing customer support, commerce, marketing, or customer data software solutions.
    • Experience with machine learning systems or AI infrastructure.
    • Experience building multi-tenant or highly configurable SaaS platforms.
    • Familiarity with observability, tracing, experimentation, or AI quality/evaluation tooling.
    Company:
    Klaviyo is an automation and email platform designed to help grow businesses. Founded in 2012, the company is headquartered in Boston, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

    Apply