or apply directly on Klaviyo's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 27 days Klaviyo's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 0% of Klaviyo's roles list one
- Ghost-job risk at Klaviyo
- high 90 stale, 6 reposted of 141 open
- Hiring momentum
- 203 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Klaviyo's own greenhouse board since 2026-08-03. Full hiring picture for Klaviyo.
About this role
As a Senior Software Engineer on the Asynchronous Processing team at Klaviyo, you will design, build, and operate a high-scale, event-driven backbone that supports the company's product teams. Your work will involve creating resilient queueing and processing platforms using technologies like Golang, Python, Apache Pulsar, Kafka, and AWS, ensuring systems can handle massive traffic spikes efficiently. You will also collaborate with other engineers, mentor junior team members, and participate in on-call duties to maintain system health.
- benefits
- 3/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Klaviyo as an employer.
What you need
- 6+ years of hands-on software development experience building and operating highly available, full-stack SaaS products at scale
- BA or BS Degree in Computer Science, related field, or equivalent experience
- Expertise and hands-on experience with asynchronous processing and queueing systems like SQS, Kafka, or Apache Pulsar
- Familiarity with cloud infrastructure (AWS preferred), infrastructure-as-code (Terraform), and containerized environments (Kubernetes)
- Ability to handle complex systems in outage situations and drive failures to root cause analysis
- Excellent communication and collaboration skills
Nice to have
- Fundamental understanding of Linux and all layers of the networking stack
- Practical experience building high availability systems at scale with Apache Pulsar
What you get
- Base salary range of $148,000 — $222,000 USD
- Participation in the company’s annual cash bonus plan
- Variable compensation (OTE) for sales and customer success roles
- Equity and sign-on payments
- Comprehensive range of health, welfare, and wellbeing benefits based on eligibility
- Up to 10% travel for purposes such as new hire onboarding, client or partner work, team meetings, and industry events
Worth weighing
- No specific salary details provided beyond the range
- Role involves periodic on-call duties
- Focus on asynchronous processing may limit exposure to other areas of software engineering
Summarised from Klaviyo's posting. Read the full original.
Listed by Klaviyo on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
More roles at Klaviyo
- Commercial Account Executive- Customer GrowthSydney, AU
- Software Engineer II - RecommendationsBoston, MA
- Lead MarTech & AI Solutions ArchitectSan Francisco, CA
- Senior Lead Technical Program Manager - InfrastructureBoston, MA
- Director, Global Field EnablementBoston, MA
- Director, Global Field EnablementDenver, CO
- Outbound BDR - Central Europe (Polish speaking)Dublin, IE
- Senior Localisation Program Manager, Product (Fixed Term Contract)London, UK