Senior AI-Driven Full-Stack Engineer

Klaviyo Inc.; Boston (MA); On-site; USD 148,000 - 222,000; Full time

Benefits offered by this job

Comprehensive health benefits

Annual cash bonus plan

Equity participation

Job summary

Klaviyo Inc. is seeking a Sr. Software Engineer to join the Flows AI team in Boston, Massachusetts. This role will drive the technical design and implementation of AI capabilities, build reliable systems, and partner closely with product and engineering teams.

Ideal candidates will have 5-7 years of experience in full-stack development, especially within AI contexts. This position offers a competitive salary range of $148,000 — $222,000 along with various benefits including health and wellness programs.

Qualifications

• 5-7 years of professional experience in full-stack software engineering.
• Experience shipping AI-powered product capabilities.
• Hands-on experience with cloud-native architectures and managing CI/CD pipelines.

Responsibilities

• Drive the technical design and implementation of AI capabilities.
• Own projects end to end from design to production.
• Build reliable, scalable full-stack systems.

Skills

Full-stack software engineering

AI model quality assurance

React

Python/Django

Asynchronous processing

Cloud-native architectures (AWS)

Tools

Celery

Kafka

Kubernetes

Job description

Klaviyo Inc. is seeking a Sr. Software Engineer to join the Flows AI team in Boston, Massachusetts. This role will drive the technical design and implementation of AI capabilities, build reliable systems, and partner closely with product and engineering teams.

Ideal candidates will have 5-7 years of experience in full-stack development, especially within AI contexts. This position offers a competitive salary range of $148,000 — $222,000 along with various benefits including health and wellness programs.