Senior backend developer building AI - agent systems for Knak, an enterprise email and landing - page marketing automation platform. Designing APIs and microservices with PHP, Python, Node.js, MySQL, and AWS while mentoring engineers.
About the role
- Senior Software Engineer focusing on growth and experimentation initiatives at Docker. Collaborating cross-functionally to optimize user experiences through high-impact experiments.
Responsibilities
- Build and ship behavior-based user experiences that drive onboarding, activation, checkout flows and retention across Docker’s product suite.
- Design and implement end-to-end growth experiments—from hypothesis to implementation to post-launch analysis.
- Collaborate with Product, Design, Marketing, and Ops teams to deliver high-velocity experiments that improve core funnel metrics.
- Write production-grade code across Docker’s stack, including frontend (React/JavaScript), backend (Go/Python), and cloud services.
- Leverage A/B testing frameworks and in-app engagement tools to optimize personalized user journeys.
- Share experiment outcomes, insights, and next-step recommendations with stakeholders across product and business functions.
- This role may require participation in an on-call rotation to provide support outside of standard business hours, including evenings, weekends, and holidays, as needed
Requirements
- 6+ years of software engineering experience, including exposure to growth engineering, experimentation systems, Data engineering, product-focused development.
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience
- Strong proficiency in JavaScript/TypeScript and React for building user-facing product experiences and go for backend services
- Hands-on experience implementing A/B tests and feature flags in production environments.
- Familiarity with analytics and experimentation tools such as Adobe Target, Unleash, or Looker.
- Comfortable working across the full stack — front end and backend
- Experience with Snowflake, redshift or similar data warehouse tooling for querying experiment results.
- Familiarity working on AI solutions and data pipelines
Benefits
- Freedom & flexibility; fit your work around your life
- Designated quarterly Whaleness Days plus end of year Whaleness break
- Home office setup; we want you comfortable while you work
- 16 weeks of paid Parental leave (after 6 months of employment)
- Technology stipend equivalent to $100 USD net/month
- PTO plan that encourages you to take time to do the things you enjoy
- Training stipend for conferences, courses and classes
- Equity; we are a growing start-up and want all employees to have a share in the success of the company
- Docker Swag
- Medical benefits, retirement and holidays vary by country
- Remote-first culture, with offices in Seattle and Paris
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