Klaviyo
Join to apply for the
Lead Software Engineer - Billing
role at
Klaviyo .
At Klaviyo, we value the unique backgrounds, experiences and perspectives that each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit
careers.klaviyo.com
to see how we empower creators to own their own destiny.
Why You Should Join The Billing Team The Billing team at Klaviyo is at the heart of how we deliver value to our customers and drive revenue for the business. We’re responsible for everything from pricing and payments to product entitlements. Our systems ensure customers are billed accurately and have access to the features they’ve selected. As Klaviyo expands globally and launches new product offerings, our team plays a pivotal role in enabling speed, flexibility, and scale across the company.
As an Lead Software Engineer on this team, you’ll lead a group of engineers focused on building internal platforms that empower teams across Klaviyo to self‑serve product packaging, entitlements, and billing logic. You’ll oversee work to build a pricing and packaging platform, and to build scalable infrastructure that supports international growth. This is a hands‑on leadership role where you’ll contribute to code, design, and strategy. Your work will directly enable faster product launches, better customer experiences, and improved business outcomes.
How You Will Make a Difference
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
Transform workflows by putting AI at the center, building smarter systems and ways of working from the ground up
Who You Are
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 full‑stack 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
Experience building developer platforms or internal tooling is a strong plus
Clear communicator and collaborative team player
You’ve already experimented with AI in work or personal projects, and you’re excited to dive in and learn fast. You’re hungry to responsibly explore new AI tools and workflows, finding ways to make your work smarter and more efficient
Technologies We Use
Python, Django
React, TypeScript
Stripe API, RESTful integrations
AWS, Terraform, Redis, MySQL
Location This is a hybrid role based in Boston, with
3 days in office
and
2 days remote
per week.
Base Pay Range for US locations: $188,000—$282,000 USD. Our salary range reflects the cost of labor across various U.S. geographic markets. The base salary offered for this position is determined by several factors, including the applicant’s job‑related skills, relevant experience, education or training, and work location. In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign‑on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
Klaviyo is committed to a policy of equal opportunity and non‑discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site.
#J-18808-Ljbffr
Lead Software Engineer - Billing
role at
Klaviyo .
At Klaviyo, we value the unique backgrounds, experiences and perspectives that each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit
careers.klaviyo.com
to see how we empower creators to own their own destiny.
Why You Should Join The Billing Team The Billing team at Klaviyo is at the heart of how we deliver value to our customers and drive revenue for the business. We’re responsible for everything from pricing and payments to product entitlements. Our systems ensure customers are billed accurately and have access to the features they’ve selected. As Klaviyo expands globally and launches new product offerings, our team plays a pivotal role in enabling speed, flexibility, and scale across the company.
As an Lead Software Engineer on this team, you’ll lead a group of engineers focused on building internal platforms that empower teams across Klaviyo to self‑serve product packaging, entitlements, and billing logic. You’ll oversee work to build a pricing and packaging platform, and to build scalable infrastructure that supports international growth. This is a hands‑on leadership role where you’ll contribute to code, design, and strategy. Your work will directly enable faster product launches, better customer experiences, and improved business outcomes.
How You Will Make a Difference
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
Transform workflows by putting AI at the center, building smarter systems and ways of working from the ground up
Who You Are
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 full‑stack 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
Experience building developer platforms or internal tooling is a strong plus
Clear communicator and collaborative team player
You’ve already experimented with AI in work or personal projects, and you’re excited to dive in and learn fast. You’re hungry to responsibly explore new AI tools and workflows, finding ways to make your work smarter and more efficient
Technologies We Use
Python, Django
React, TypeScript
Stripe API, RESTful integrations
AWS, Terraform, Redis, MySQL
Location This is a hybrid role based in Boston, with
3 days in office
and
2 days remote
per week.
Base Pay Range for US locations: $188,000—$282,000 USD. Our salary range reflects the cost of labor across various U.S. geographic markets. The base salary offered for this position is determined by several factors, including the applicant’s job‑related skills, relevant experience, education or training, and work location. In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign‑on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
Klaviyo is committed to a policy of equal opportunity and non‑discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site.
#J-18808-Ljbffr