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Lead Software Engineer

  • Boston, MA
  • Engineering

At Klaviyo, we value the unique backgrounds, experiences and perspectives 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 to see how we empower creators to own their own destiny.

Team Overview: 

The Auditability, Compliance, and Exchange team works hand in hand with our existing Payments team to ensure the accuracy of our internal financial record keeping, as well as providing and assisting with data exchange pipelines and ETL processes between highly secure financial systems of record. They are partners who help to bridge the gap between the needs of our sales and finance teams, our Payments product engineering teams, and our customers themselves.

How you’ll make an impact:

Our Lead Engineer role for this time is our first hire, and is someone who will need to wear many hats as the team ramps up. Your primary responsibilities will be to work closely with our existing Payments team as you understand the details and challenges of our existing compliance and data exchange needs, as you work to make progress into our and further define the team's roadmap. The right candidate is detail oriented, obsesses over data accuracy, and has a strong fundamental understanding of why keeping our internal financial data compliant and auditable matters to the business and to our customers, and is motivated to own and drive work in this space. You’ll also be chiefly involved in helping to build the team out via hiring and interviewing, and have the opportunity to lead and manage the team as it becomes fully operational.

Team Tech Stack:

  • Python / Django
  • React
  • MySQL
  • Redis
  • Memcached
  • RabbitMQ / Celery
  • Apache Pulsar

Required Skills: 

  • Experience building and improving financial systems of record and data exchange pipelines
  • Experience improving the visibility and accuracy of key financial data from a compliance and auditability standpoint
  • Experience working with various architectures, frameworks, and systems
  • Hands-on experience designing reliable, fault-tolerant, and high performance distributed systems
  • Significant experience with full stack application development
  • Experience debugging performance issues and improving application performance
  • Experience with CI/CD pipelines
  • Proven experience with being a coach and a mentor for team members and helping them grow

Preferred Skills:

  • Experience with Stripe, Avalara, and Netsuite
  • Experience with SFDC
  • Experience managing or leading small teams

The pay range for this role is listed below. Sales roles are also eligible for variable compensation and hourly non-exempt roles are eligible for overtime in accordance with applicable law. This role is eligible for benefits, including: medical, dental and vision coverage, health savings accounts, flexible spending accounts, 401(k), flexible paid time off and company-paid holidays and a culture of learning that includes a learning allowance and access to a professional coaching service for all employees.

Base Pay Range For US Locations:
$213,657—$244,343 USD

Get to Know Klaviyo

We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators—ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us.

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.

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. Please be cautious of job offers that come from non-company email addresses (, instant messaging platforms, or unsolicited calls. 

You can find our Job Applicant Privacy Notice here .

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