Senior Software Engineer, Growth (L6)

Overview

Senior Software Engineer on the Growth team, building scalable systems and experiments that improve product growth through data analysis, automation, and cross-functional collaboration.

What you'll do

• Develop engineering strategies for rapid experimentation and data-driven decisions.
• Collaborate with Product, Design, Marketing, Data Science, and Engineering on growth metrics.
• Architect scalable onboarding flows, personalization engines, and viral loops.
• Implement A/B testing and data instrumentation for experiment measurement.
• Use automation and machine learning to improve engagement, reduce churn, and personalize experiences.
• Maintain code quality, automation, performance, security, scalability, and continuous delivery.
• Communicate progress and blockers and participate in team meetings and feedback.

What you'll need

• At least 8 years of industry experience in frontend or full-stack development.
• BS in Computer Science or equivalent.
• Proficiency in JavaScript, TypeScript, React, Redux, HTML, and CSS.
• Experience with Ruby/RoR, Python, or Node.js as a backend language.
• Experience with AWS or GCP and REST APIs.
• Experience with analytics tools and A/B testing platforms.
• Experience using AI tools to improve software development workflows.

Nice to have

• Growth experience at a startup or scaling product.
• Knowledge of SEO, CRM tools, or marketing automation.

Details

• Permanent employment under an employment contract, not a B2B contract.
• Remote role in Poland.