Klaviyo · 1 day ago
Software Engineer II - Social Team
Boston, MA
Full-time
Onsite
Mid Level
$116K/yr - $174K/yr
3+ years expKlaviyo is a company that empowers creators to own their destiny by making first-party data accessible and actionable. They are seeking a Full Stack Engineer to join their Social team, where the role involves building end-to-end experiences that connect social channels to Klaviyo’s core platform, focusing on customer relationships and data analytics.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
Responsibilities
Build end-to-end experiences that connect channels like Instagram DMs to Klaviyo’s core platform
Capture high-intent profiles, consent, and engagement data from social traffic
Tackle complex technical challenges and explore multiple solution paths
Contribute actively to design discussions and help shape architectural decisions
Ship well-designed, thoroughly tested features prioritizing reliability, performance, and user experience
Craft intuitive, high-impact surfaces for brands to grow their lists from social
Develop experiences that power Instagram auto-replies and future social entry points
Create supporting APIs and services that ingest and transform social events
Provide data and analytics showing how social programs drive profile growth and revenue
Collaborate with engineers, product managers, designers, and data partners across Klaviyo
Qualification
Required
A proven track record of building high-quality products and systems, with a focus on writing clean, maintainable code
3+ years of experience in a software engineering role
Experience building end-to-end software solutions or deep experience with both front-end and back-end technologies
Familiarity with code reviews and leading or participating in robust testing practices
Experience working in agile, fast-paced environments
Preferred
Experience with Python and related technologies
Experience with React and related technologies
Background in digital marketing or customer data software
Exposure to machine learning concepts or applications
Experience building cloud-native solutions, ideally on AWS
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