Software Engineer II Forms
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Job Location:
Boston, NH - USA
Monthly Salary:
Not Disclosed
Posted on:
2 days ago
Vacancies:
1 Vacancy
Job Summary
About the Role
Klaviyo is looking for a Full Stack Software Engineer II to join the Signup Forms team. On Signup Forms youll help rebuild and evolve one of Klaviyos core growth surfaces so brands can reliably capture high-intent profiles across web SMS and messaging channels.
The team is explicitly focused on improving reliability and developer experience while making leaps in both AI enablement and enterprise-level scale. This role is about delivering both the foundations and the pieces that unlock those higher-level platform capabilities.
As a Software Engineer II youll own non-trivial end-to-end pieces of the product: design and ship well-tested frontend and backend work weigh trade-offs between reliability performance and developer velocity and help make architectural decisions within the teams roadmap. Youll routinely tackle complex problems and deliver pragmatic maintainable solutions that improve both customer outcomes and the teams developer experience.
Within the organization we focus on making experiences part of an extensible channel-agnostic enterprise-grade platform. That includes the web experiences APIs and backend orchestration that power validation actions and delivery alongside the analytics and data plumbing that connect form events to profiles and downstream messaging. Youll partner closely with product design analytics and other engineering teams to deliver best-in-class customer-facing experiences.
What Were Looking For
- 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
- Experience driving technical solutions in cross functional teams within an organization
- Quick learners that can raise the teams bar while
Nice to Have
- Experience with React Typescript and related technologies
- Experience with Python 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
We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on April 3 2025.
Please see the independent bias audit report covering our use of Covey here
Required Experience:
IC
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- Data Structures
- JavaScript
- Software Development
- Java
- Distributed Systems
About Company
Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results. Build personalized, omnichannel experiences across WhatsApp, ecommerce, and more with K:AI Agents.
