Klaviyo · 2 weeks ago
Senior Software Engineer - Asynchronous Processing
United States
Full-time
Remote
Senior Level
$152K/yr - $228K/yr
5+ years expKlaviyo is a company that empowers creators to own their destiny by making first-party data accessible and actionable. The Senior Platform Engineer on the Asynchronous Processing team will focus on designing and developing systems for managing asynchronous workloads, improving the efficiency and scalability of Klaviyo's queueing services.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
Responsibilities
Build a deep understanding of engineering needs across the organization, guiding the design and development of appropriate platform primitives in queueing that align with the platform's vision and practically empower product teams
Design, develop, and deliver software to dramatically improve the availability, scalability, latency, and efficiency of Klaviyo's asynchronous and queueing services
Design and develop systems and processes that enable highly available & scalable systems, with a focus on asynchronous processing
Leverage technology such as Python, AWS, and Kubernetes to advance Klaviyo's platform, with a deep focus on Apache Pulsar, SQS, and Kafka
Champion best practices by actively collaborating with other teams in a culture that values technical design review
Mentor and pair with other Klaviyo engineers to build better software by focusing on performance, self-healing systems, configuration as code, and defensive programming
Participate in periodic on-call duties with a focus on solving issues when they are discovered, preventing recurrences and minimizing alert fatigue
Transform workflows by putting AI at the center, building smarter systems and ways of working from the ground up
Qualification
Required
BA or BS Degree in Computer Science, related field, or equivalent experience
5+ years of responsibility operating & scaling complex distributed systems
Experience working in a cloud-native environment
Proven experience developing applications in Python
Expertise and hands-on experience with asynchronous processing and queueing systems, including SQS, Kafka, and Apache Pulsar
Fundamental understanding of Linux and all layers of the networking stack; you should be confident administering and debugging production Linux systems
Ability to handle yourself and complex systems in outage situations and to drive failures to root cause analysis and prevention of future issues
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
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