Senior Software Engineer - Events

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 careers.klaviyo.com to see how we empower creators to own their own destiny.
Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at https://klaviyo.tech
We love tackling tough engineering problems and look for Engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way. We push each other to move out of our comfort zone, learn new technologies and work hard to ensure each day is better than the last.
Klaviyo operates a real-time data platform coded in Python built for massive scale on Amazon Web Services (AWS). Engineers come to Klaviyo with experience in a variety of languages and from a number of disciplines.
About the Events Team
Within the Klaviyo Data Platform area, the focus of the Events team is to manage Klaviyo's event dataset and enhance it with business-relevant logical schema definitions in order to rapidly manage, analyze and derive insights from customer data. You will have ownership over designing foundational components within the greater technical vision of Klaviyo's data storage and access system.
Technologies we use (not exhaustive)

• Python/Django
• MySQL
• AWS
• Terraform/Kubernetes
• Kafka/RabbitMQ
• Redis/Memcached
• Protobuf/Parquet

Who You Are:

• You are a passionate technologist who likes to build and operate large scale distributed systems.
• You are deeply interested in database systems, big data platforms and technologies.
• You have a strong sense of ownership and can-do attitude.
• You strongly believe in collaboration and teamwork.
• You believe in continuous learning and sharing knowledge.
• You have a funny bone and don't take yourself too seriously.

How You'll Have an Impact:

• You will help drive key projects that power the backbone of Klaviyo (data)
• You will contribute to all the phases of the software development lifecycle.
• You will partner with lead engineers to introduce technical best practices, new design patterns and new software tools/platforms to the team.
• You will directly contribute to both writing the code for new components and effectively delegating implementation work as needed.
• You will be responsible for mentoring engineers.

What You'll Need:

• Must have 6 plus years of experience in software development life cycle including implementation, testing using existing design and specifications
• Experience owning large-impact software engineering projects from discovery phase to roll-out.
• Experience mentoring junior engineers.
• Experience working with AWS technologies.
• Bachelor's degree in Computer Science or equivalent experience.

Preferred Skills:

• Experience building and maintaining big data pipelines and a sound understanding of big-data constructs and technologies.
• Experience with queuing fundamentals and technologies.
• Advanced experience in building optimized SQL queries.
• Experience working with database internals, specifically partitioning, query planning and optimizers.

Massachusetts Applicants:It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. 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. Please visit Klaviyo Rewards to find out more about our Total Rewards package.
Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.
Base Pay Range For US Locations:
$152,000 - $228,000 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.
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