Klaviyo · 12 hours ago
Software Engineer II - WhatsApp
United States
Full-time
Remote
Mid Level
$120K/yr - $180K/yr
3+ years expKlaviyo is a company that empowers creators to own their destiny by making first-party data accessible and actionable. They are seeking a Full Stack Engineer to support key initiatives that enhance their product offerings and drive company growth, focusing on delivering end-to-end solutions for their WhatsApp channel.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
Responsibilities
Support key initiatives that enhance our product offerings and drive company growth
Deliver end-to-end solutions using both front-end and back-end technologies
Improve existing products and develop new capabilities that push the boundaries of what’s possible for our customers
Tackle complex challenges, explore multiple solutions, and weigh business and technical trade-offs to determine the best path forward
Actively contribute to team discussions and help shape important technology decisions
Ship well-designed, thoroughly tested solutions that prioritize reliability and performance
Build the end-to-end experience for Klaviyo’s WhatsApp channel
Ensure it’s available wherever customers expect it
Build and operate WhatsApp-specific capabilities like outbound and inbound pipelines and Meta template management
Partner closely with teams across the org to drive impact well beyond our immediate scope
Scale WhatsApp across Klaviyo
Close feature gaps, rapidly integrate new Meta capabilities, and run targeted adoption experiments to drive usage
Qualification
Required
A proven track record of building high-quality products and systems, with a focus on writing clean, maintainable code
3+ years of experience in a software engineering role
Experience building end-to-end software solutions or deep experience with both front-end and back-end technologies
Familiarity with code reviews and leading or participating in robust testing practices
Experience working in agile, fast-paced environments
Preferred
Experience with Python and related technologies
Experience with React and related technologies
Background in digital marketing or customer data software
Exposure to machine learning concepts or applications
Experience building cloud-native solutions, ideally on AWS
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