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Senior Software Engineer - Growth
Klaviyo · Boston, MA
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What Klaviyo asks for
From Klaviyo's Senior Software Engineer - Growth ad, checked 3 Nov 2026.
Full stack engineering at scale
Extensive experience in full stack engineering, with a focus on building, delivering, and maintaining features that face users and handle high scale.
A/B testing and experimentation
Owning the entire experimentation cycle, from setting the strategy and building A/B tests to analyzing data for product improvements.
Technical leadership and mentoring
Leading technical design, providing guidance to other engineers, and setting up teammates for success through mentoring.
AI-driven software delivery
Using and promoting AI methods in software delivery and leveraging AI agents in project work.
User growth and onboarding
Experience building customer onboarding pipelines or features that improve user acquisition and adoption.
Based in Boston, MA. Candidates work from the Boston office 5 times per week.
How the example answers the ad
Three of the five requirements above, each matched to a line in the example.
Technical leadership and mentoring
“Mentor 6 junior developers on full-stack best practices, code review quality, and system design patterns.”
Guiding 6 junior developers in technical areas like code review and system design shows technical leadership and mentoring.
AI-driven software delivery
“Introduce internal AI agents for automated unit testing, reducing regression cycle times from 4 hours to 45 minutes.”
Using AI agents to decrease testing time from 4 hours to 45 minutes shows AI-driven software delivery.
User growth and onboarding
“Design and implement user onboarding pipelines that converted 15 percent more free-tier users to paid plans.”
Creating pipelines that led to a 15 percent increase in paid plan conversions shows user growth and onboarding.
The whole example as text
Maria Gonzalez · Senior Software Engineer
Summary
Senior Software Engineer with 8 years of experience in full-stack e-commerce and marketing automation systems. Architect high-scale platforms using React and Python to support millions of daily requests. Execute rigorous A/B testing cycles that consistently drive double-digit improvements in user conversion. Mentor junior developers while integrating AI-driven workflows to accelerate project delivery and platform reliability.
Experience
Senior Software Engineer · Shopify
Remote · 2023 - Present
- Lead development of core marketing automation features within the central e-commerce dashboard.
- Execute A/B tests on checkout funnels that increased total gross merchandise volume by 8 percent.
- Mentor 6 junior developers on full-stack best practices, code review quality, and system design patterns.
- Deploy AI-driven content generation tools to help merchants automate personalized email campaign production.
- Scale infrastructure services to support a 30 percent increase in concurrent API calls during peak shopping seasons.
Software Engineer II · Salesforce
San Francisco, CA · 2021 - 2023
- Refactor legacy marketing modules to modern React architectures, improving page load speeds by 50 percent.
- Design and implement user onboarding pipelines that converted 15 percent more free-tier users to paid plans.
- Introduce internal AI agents for automated unit testing, reducing regression cycle times from 4 hours to 45 minutes.
- Analyze high-volume user data to identify bottlenecks in the customer sign-up journey, leading to a 10 percent increase in registration.
- Coordinate cross-functional sprints with product managers to deliver 12 major feature updates within a 2-year period.
Software Engineer · Amazon
Seattle, WA · 2019 - 2021
- Build microservices in Python to power personalized recommendation engines for high-traffic retail pages.
- Execute multivariate testing experiments that resulted in a 9 percent uplift in average order value.
- Optimize database query performance to reduce latency by 200 milliseconds across global customer regions.
- Document technical specifications for modular system updates to ensure long-term maintainability and team knowledge sharing.
- Collaborate with engineering leadership to implement CI/CD pipelines that reduced production deployment errors by 25 percent.
Junior Software Engineer · Oracle
Austin, TX · 2018 - 2019
- Develop interactive frontend components using JavaScript and CSS for business-to-business customer portals.
- Assist in the migration of on-premise application services to cloud-based infrastructure to ensure 99.99 percent uptime.
- Participate in daily agile ceremonies to track sprint progress and resolve blocking technical issues for team members.
- Fix over 150 critical production bugs within the first 6 months to stabilize platform core services.
- Create comprehensive unit tests that improved overall code coverage from 60 percent to 85 percent.
Education
MS in Computer Science · Stanford University
Stanford, CA · 2016 - 2018
- Completed advanced coursework in distributed systems and software architecture.
- Published research thesis on optimizing real-time data streaming for large-scale e-commerce applications.
- Awarded departmental excellence scholarship for innovative work in machine learning integration.
BS in Software Engineering · University of Texas at Austin
Austin, TX · 2012 - 2016
- Led the university computer science club as president for two consecutive years.
- Completed senior capstone project on cloud-native web application performance metrics.
- Participated in annual hackathons and secured top-three finishes in three national competitions.
Skills
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Frequently asked questions
Is the example from an employee?
No. It is an AI-written example for this ad, made to show how a resume can answer it.
Is this role remote?
No. The role is based at the Boston headquarters and requires being in the office every work day.
What if I do not meet every requirement?
Klaviyo encourages people to apply even if they are not an exact match for the job description.
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