Software Engineer II Flows and Insight Management

Klaviyo

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profile Job Location:

Boston, NH - USA

profile Monthly Salary: Not Disclosed
Posted on: 10 hours ago
Vacancies: 1 Vacancy

Job Summary

About the Role

Klaviyo is looking for a Full Stack Engineer to support key initiatives that enhance our product offerings and drive company this role youll play a critical part in delivering end-to-end solutions using both front-end and back-end technologies. Youll improve existing products and develop new capabilities that push the boundaries of whats possible for our customers.

As a Software Engineer II youll tackle complex challenges explore multiple solutions and weigh business and technical trade-offs to determine the best path forward. Youll actively contribute to team discussions and help shape important technology decisions. Youll also be responsible for shipping well-designed thoroughly tested solutions that prioritize reliability and performance.

On the Flows Insight & Management team we focus on crafting an exceptional user experience for the Flows product area which empowers users to build manage and analyze automated workflows seamlessly. Our work revolves around an intuitive visual editor that lets users create and modify flows with ease as well as the rich insights and analytics that help them understand how their flows are performing. We also manage APIs that integrate with other services creating a powerful ecosystem for users to drive automation in new and exciting ways.

Collaboration is key to what we do. We actively partner with engineering teams across the organization giving us exposure to diverse parts of the product and opportunities to impact various projects. This keeps us engaged with a variety of challenges and solutions as were always learning and evolving.

Looking to the future our team is focused on expanding the capabilities of Flows. Well be enhancing our flow editor and ecosystem to make it even easier to build and expand on flows. Were also building smarter recommendations and actionable insights to help users optimize their flows. With our continued evolution we envision Flows not just as a tool but as a platform that empowers teams to do more build more and connect seamlessly.

About the Team

The Flows Insight & Management team owns how customers design understand and manage automated lifecycle programs across channels like Email SMS and WhatsApp. We are responsible for:

  • The Flows User Experience: Building an intuitive visual editor staff-side management tools and the analytics previews that allow users to create and modify flows with ease.

  • Developer APIs: Managing the configuration and APIs that handle creating editing cloning and versioning flows.

  • Analytics & Reporting: Delivering rich insights node-level metrics and revenue/conversion analytics that help users understand exactly how their automations are performing.

  • Looking to the future we are focused on expanding the flow editor ecosystem and building smarter recommendations and actionable insights to help users optimize their strategies.

What Were Looking For

  • 3 years of experience in a software engineering role with a proven track record of building high-quality products.
  • Strong Full Stack proficiency: Experience building end-to-end solutions using Python and Django on the backend and React and TypeScript on the frontend.
  • API Design experience: Ability to design and maintain robust RESTful APIs (experience with developer-facing APIs is a plus).
  • Infrastructure & Database knowledge: Familiarity with relational databases (MySQL/Aurora) and exposure to cloud infrastructure specifically AWS.
  • Engineering best practices: A focus on writing clean maintainable code participating in code reviews and leading robust testing practices.
  • Agile collaboration: Experience working in fast-paced environments and partnering effectively with Product and Design teams.
  • Experience using AI coding tools like Claude Code or Cursor to accelerate development.

Nice to Have

  • Experience with infrastructure as code such as Terraform.
  • Familiarity with asynchronous task queues and event-driven architecture (Pulsar Kafka RabbitMQ Celery).
  • Background in digital marketing customer data software or building analytics products.
  • Exposure to machine learning concepts as we work towards building smarter recommendations for our users.
  • 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

About the RoleKlaviyo is looking for a Full Stack Engineer to support key initiatives that enhance our product offerings and drive company this role youll play a critical part in delivering end-to-end solutions using both front-end and back-end technologies. Youll improve existing products and deve...
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Key Skills

  • Qualtrics
  • Marketing
  • Quantitative Research
  • Spss
  • R
  • Data Visualization
  • Tableau
  • Research Experience
  • Retail Link
  • Survey Design
  • Market Research
  • Analytics

About Company

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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.

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