Company Description
Etsy is the global marketplace for unique and creative goods. We build, power, and evolve the tools and technologies that connect millions of entrepreneurs with millions of buyers around the world. As an Etsy Inc. employee, whether a team member of Etsy, Reverb, or Depop, you will tackle unique, meaningful, and large-scale problems alongside passionate coworkers, all the while making a rewarding impact and Keeping Commerce Human.

Salary Range:

What’s the role?

Etsy is looking for a passionate Senior Software Engineer to help us enable data-driven learning and decision-making for our Experimentation initiative.

Our initiative empowers teams across Etsy to run fast, trustworthy, and scalable experiments by laying the foundation for how we test ideas, measure impact, and continuously improve our customer experience. 

You'll join the Experimentation Orchestration team which focuses on making experiment setup simple, intuitive, and reliable. We build the core services, APIs, and tools that help teams configure and launch experiments with confidence. Whether it’s feature flagging, observability, traffic allocation, or ensuring a consistent user experience, our work sits at the heart of a seamless experimentation workflow. Our mission is to make testing new ideas effortless — so teams can move faster, learn more, and build better products for our buyers and sellers. 

This is a high-impact opportunity to contribute to experimentation infrastructure that enables product development across Etsy. We’re looking for someone who thrives in collaborative environments, challenges the status quo, and enjoys solving complex problems. We also value someone who embodies Etsy’s blameless engineering culture, as we believe clear communication, honest feedback, and empathy are the foundation for how we work together and get things done.

This is a full-time position reporting to the Engineering Manager, Experimentation Orchestration. In addition to salary, you will also be eligible for an equity package, an annual performance bonus, and our competitive benefits that support you and your family as part of your total rewards package at Etsy.

What’s this team like at Etsy?

• This team collaborates with engineers, analysts, and product managers — both within and beyond the Experimentation initiative — to improve Etsy’s experimentation platform.

• They also Contribute to the design, development, and maintenance of systems that support experiment configuration and orchestration.

What does the day-to-day look like?

• You'll participate in code reviews, technical discussions, and architecture planning sessions.

• You'll also play a role in driving technical and product direction through thoughtful decision-making and collaboration.

• You'll also have a chance to continuously learn and grow by working alongside experienced engineers and contributing to a culture of knowledge sharing.

Qualities that will help you thrive in this role are:

• You’re excited about full-stack development, particularly in the context of building experimentation platforms.

• You have familiarity with A/B testing frameworks and experimentation workflows.

• You’ve built (and have some experience in designing) reliable, scalable systems and enjoy working on backend services and APIs.

• You write clean, testable code in one or more of the following languages: PHP, Python, or Java.

• You’re proficient with MySQL (or similar relational databases) and understand how to design effective data models.

• You have experience with cloud platforms such as Google Cloud Platform, AWS, or Azure.

• You’re comfortable using Git and understand different branching strategies.

• You’re comfortable working in Linux-based environments and using the command line.

Helpful, but Not Required

• Familiarity with CI/CD tools and practices that support high-quality, rapid software delivery.

• Familiarity with containerization and orchestration tools like Docker and Kubernetes.

• Familiarity with monitoring and alerting systems (e.g., Prometheus, Grafana).

• Familiarity with front-end technologies, such as React.

• Experience with data warehousing (e.g. BigQuery) and ETL processes, using big data frameworks such as Kafka and Spark, as well as orchestration tools such as Airflow.

Additional Information
 

What's Next
If you're interested in joining the team at Etsy, please share your resume with us and feel free to include a cover letter if you'd like. As we hope you've seen already, Etsy is a place that values individuality and variety. We don't want you to be like everyone else -- we want you to be like you! So tell us what you're all about.
 
Our Promise
At Etsy, we believe that a diverse, equitable and inclusive workplace furthers relevance, resilience, and longevity. We encourage people from all backgrounds, ages, abilities, and experiences to apply. Etsy is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or veteran status, or any other characteristic protected by applicable law. If, due to a disability, you need an accommodation during any part of the application or interview process, please let your recruiter know. While Etsy supports visa sponsorship, sponsorship opportunities may be limited to certain roles and skills.