Senior Full Stack Engineer, Growth

Position Overview

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Calendly is seeking a Senior Full Stack Engineer for its Growth team. This role focuses on high-impact experiments to drive acquisition, activation, retention, and monetization for millions of users. You will be involved in shipping measurable experiments across the full stack, building rapid MVPs, analyzing data, and contributing to growth strategy in collaboration with product and analytics teams. We are looking for nimble, product-minded engineers who are passionate about iteration, understand compounding impact, and are eager to learn quickly.

About You

• A highly technical, talented, and humble individual with a deep ownership mindset, embodying a "done when we are done" spirit.
• A team member focused on impact, balancing execution speed with sound judgment.
• A collaborative team member who models technical leadership and is committed to elevating their team.
• Someone who is not only open to diverse perspectives but actively seeks them out.

Responsibilities

• Report to a Senior Engineering Manager in the Growth organization.
• Ship full-stack experiments end-to-end, including ideation, implementation, measurement, and iteration.
• Improve key growth metrics across acquisition, conversion, engagement, and monetization.
• Collaborate with cross-functional partners in product, design, analytics, and marketing.
• Help scale the experimentation platform and growth infrastructure.
• Make engineering tradeoffs that balance speed, quality, and long-term value.
• Collaborate with the team to build experiments and iterate features for maximum customer impact.
• Work with Product and UX partners to add context and clarity to product requirements.
• Participate in team Agile ceremonies and processes.
• Support features and services owned by the team.
• Facilitate and/or participate in cross-squad initiatives to improve Engineering practices.
• Create implementation plans and pull requests, and/or review those of peers.
• Provide mentorship and guidance to the team.

Tech Stack

• Cloud: Google Cloud Platform
• Orchestration: Kubernetes
• Workflows: Argo Workflows
• Backend: Rails, Grape
• Frontend: React, Typescript
• Database: PostgreSQL
• Caching: Redis

Requirements

• 5+ years of professional Software Development experience at a SaaS or technology company.
• Experience with Service Oriented Architectures (SOA) / microservices.
• Significant hands-on experience with Rails, Node, or a comparable web application development framework.
• Significant hands-on experience with a modern front-end library/framework such as React, Angular, Vue.js, etc.
• A passion for creating intuitive software solutions and solving sophisticated challenges.
• A commitment to being a craftsperson, producing clean, reliable, and highly testable/maintainable code.