Klaviyo · 3 months ago
Lead Software Engineer - Billing
Boston, MA
Full-time
Hybrid
Lead/Staff
$188K/yr - $282K/yr
8+ years expKlaviyo is a company that empowers creators to own their destiny through innovative technology. They are seeking a Lead Software Engineer for their Billing team, responsible for building internal platforms that enhance product packaging, entitlements, and billing logic while supporting international growth. This role involves leading a team, overseeing payment integrations, and contributing to architecture and code.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
Responsibilities
Lead a team of engineers building a new internal pricing and billing platform
Own Klaviyo’s 3rd party payment and billing integrations and expand payment capabilities
Build scalable systems to support international markets and payment flexibility
Contribute directly to architecture and code, driving best practices and quality
Collaborate with cross-functional teams to unlock product revenue opportunities
Grow and mentor engineers while helping shape the future of billing at Klaviyo
Qualification
Required
8+ years of engineering experience with strong backend skills (Python or similar)
Comfortable coding and reviewing complex systems — this is a hands-on role
Experience with fullstack development (React familiarity is a plus)
Proven experience with third-party APIs, especially Stripe or payment systems
Skilled in system design and scaling infrastructure using AWS
Clear communicator and collaborative team player
Preferred
Experience building developer platforms or internal tooling is a strong plus
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