Klaviyo · 3 days ago
Lead Software Engineer - Test Frameworks and Tooling Team
Boston, MA
Full-time
Onsite
Senior Level, Lead/Staff
$188K/yr - $282K/yr
7+ years expKlaviyo is a company that empowers creators to own their destiny by making first-party data accessible and actionable. They are seeking a Lead Software Engineer for the Test Frameworks and Tooling Team to define the technical roadmap for automated guardrails and repository standards, ensuring production readiness and driving stability across engineering teams.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
Responsibilities
Define Architectural Vision: Lead the long-term strategy for our integration and E2E testing frameworks across both backend and frontend stacks. You will ensure these systems are not just reliable, but world-class in their ease of adoption
CI/CD Strategy: Architect how we execute tests within our CI system. You will focus on radically optimizing feedback loops so that engineers receive actionable, high-fidelity results in minutes
Set Engineering Standards: Establish the "golden paths" for our repositories. You will define the benchmarks for unit testing, code quality metrics, and systemic reliability that all teams will follow
Scalable Tooling & Coverage: Design and build the next generation of tools that simplify complex testing scenarios. You will lead efforts to backfill testing gaps at scale through advanced data mocking and service isolation
AI-Driven Quality Strategy: Spearhead our efforts to leverage AI within the testing lifecycle. You will identify and implement AI-powered solutions for automated regression detection, flaky test analysis, and intelligent test generation
Cross-Functional Leadership: Act as a consultant to feature teams to solve their most complex stability challenges. You will use root-cause analysis from major incidents to propose and implement pillar-wide safety improvements
Operational Excellence: Oversee the health and performance of our entire CI/CD pipeline, taking ultimate responsibility for the stability of the environment that hundreds of engineers rely on daily
Qualification
Required
7+ years of software engineering experience with a history of leading complex, high-impact technical projects
Hands-on lead who stays close to the code while steering the broader vision
Master of Root-Cause Analysis: You don't just fix symptoms; you hunt down systemic failures
Excel at debugging deep-stack issues and transforming those lessons into automated preventions
Comfortable designing systems across the stack
Understand how to build for scale
Passionate about the intersection of AI and Software Quality
Clear perspective on how AI can automate the mundane parts of testing and accelerate the SDLC
Take pride in the end-to-end health of the platform
Proactive in identifying technical debt and are a relentless advocate for engineering excellence
Deep experience with modern CI/CD tools
Sophisticated understanding of how to integrate automated testing into high-frequency deployment pipelines
Preferred
Experience with backend technologies such as Python, Django, Go
Experience with frontend technologies such as React, TypeScript, JavaScript
Familiarity with testing frameworks like Playwright, Cypress, Pytest, Jest
Experience with infrastructure and CI tools such as AWS, Kubernetes, Terraform, Helm, Buildkite
Knowledge of data technologies like MySQL, Redis, Kafka
Experience with AI tools such as Claude, Cursor, Copilot, or internal AI enablement frameworks
Benefits
Participation in the company’s annual cash bonus plan
Variable compensation (OTE) for sales and customer success roles
Equity
Sign-on payments
A comprehensive range of health, welfare, and wellbeing benefits based on eligibility
Company
Klaviyo
Klaviyo is an automation and email platform designed to help grow businesses.
1001-5000 employees
H1B Sponsorship
Klaviyo has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (47)
2024 (29)
2023 (24)
2022 (27)
2021 (21)
2020 (8)
Funding
Current Stage
Public CompanyTotal Funding
$1.35BKey Investors
ShopifySands Capital VenturesAccel
2025-08-13Post Ipo Secondary· $195.06M
2025-05-14Post Ipo Secondary· $372.95M
2023-09-20IPO
Leadership Team
Andrew Bialecki
CEO
Ed Hallen
Co-Founder, Chief Strategy Officer, Board Member
Recent News
Investing.com
2026-01-03
2025-12-17
Company data provided by crunchbase