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Software Development Engineer in Test

New York, NY

Paperless Post is seeking a Software Development Engineer in Test (SDET) to join our team of multidisciplinary engineers, specifically our Editor team which develops our invitation and card creation tool. In this role, you'll develop and maintain automated test frameworks specifically designed to handle complex visual rendering, creative interactions, and non-standard browser behaviors. You'll write automated test scripts that validate both functionality and creative output, collaborate with developers on testability for innovative UI components, and integrate tests into CI/CD pipelines. This role requires a unique blend of software engineering and quality assurance expertise, with a particular focus on testing rich interactive experiences and visual fidelity.

Our stack includes Typescript, React, Next.js and GraphQL on the frontend, with services written mostly in Golang with sprinkles of Ruby running on top of PostgreSQL and MongoDB. We run on AWS with Kubernetes, Helm, and Terraform, and deploy with CircleCI and ArgoCD.

A little bit about us

The Paperless Post Engineering team, a highly collaborative group of developers and technologists, is charged with building and refining a consumer-facing product that millions of people interact with each month. Our individual feature teams each focus on a unique piece of the user experience and are made up of engineers, product managers, quality assurers, and product designers. We prioritize creativity and continuing education, and our ongoing commitment to quality code shows in our pragmatic but brave approach to technology.

What you’ll do here

  • Test automation for creative tools: Design, develop, and maintain automated test scripts and frameworks specifically for creative editing interfaces, including canvas-based interactions, drag-and-drop functionality, visual rendering validation, and non-standard browser APIs.
  • Visual and interaction testing: Build testing strategies that validate both functional correctness and visual output, including pixel-perfect rendering, responsive design behaviors, and complex user interactions unique to creative tools.
  • Software development lifecycle (SDLC) integration: Embed testing into the development process by collaborating with developers on unit tests, integration tests, and code reviews.
  • CI/CD integration: Implement and manage automated tests within Continuous Integration and Continuous Deployment pipelines to ensure rapid and reliable delivery cycles.
  • Quality assurance: Ensure software meets quality standards by identifying, documenting, and tracking bugs, and performing comprehensive testing across various test types.
  • Collaboration: Work closely with development, QA, and product teams to align testing strategies with project goals.
  • Analysis and improvement: Analyze test results, provide feedback on quality, and continuously research new test tools and methodologies to improve processes. 

What you bring to the table (can split into must haves and nice to haves) 

Must haves:

  • Bachelor's degree in Computer Science, Engineering, or a related field or equivalent experience
  • 6+ years of experience as a SDET, Software Engineer, or similar
  • Proficiency in JavaScript/Typescript and modern frontend frameworks (React strongly preferred)
  • Experience building automated test frameworks for web applications, particularly for interactive or visual-heavy applications
  • Strong understanding of browser APIs, DOM manipulation, and cross-browser compatibility challenges
  • Experience with frontend testing frameworks (e.g., Playwright, Cypress, Jest, React Testing Library)
  • Experience with CI/CD pipelines and automated build tools
  • Experience with source control (Git preferred)
  • Strong analytical and problem-solving skills, attention to detail, and excellent communication and collaboration abilities

Nice to haves:

  • Experience testing creative tools, design software, or canvas-based applications
  • Knowledge of visual regression testing and screenshot comparison tools
  • Experience with performance testing for frontend applications (rendering performance, animation smoothness)
  • Familiarity with accessibility testing, particularly for complex interactive interfaces
  • Experience with browser automation tools and handling non-standard browser behaviors
  • Knowledge of graphics programming or HTML Canvas/SVG APIs
  • Experience with containerization technology (preferably Docker)
  • Experience with mobile web testing and responsive design validation
  • Understanding of user experience principles for creative tools
  • Experience with monitoring and observability tools for frontend applications

Company-wide, we enjoy an amazing ecosystem of an even gender split and a balance of engineers and designers. Because Paperless Post isn't supported by ad revenue, we can focus our efforts on creating and improving on the ideal version of our platform, product, content, and partnerships for our users. 

We are proud that Paperless Post has helped over 175 million people globally connect in the real world since our inception. Paperless Post exists to help all people celebrate all the moments that matter to them. We believe that having a team reflective of the diverse world around us empowers us to create a product that serves everyone. Women, people of color, trans/genderqueer individuals, individuals with disabilities, and veterans are especially encouraged to apply.

The compensation range for this role is $120,000 - $140,000 USD. 

At Paperless Post, compensation is based on a number of factors, including geographic location, job-related skills, years of experience, and internal team banding. All full-time offer packages come with a base salary, equity component, and options for fully paid medical, dental, and vision benefits. The range posted here is based on the NYC market and may vary based on candidate location.

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