Senior Fullstack Software Engineer, Global E-commerce User Growth

What you'll do

• Design, build, and optimize reliable, high-performance backend systems and features for user growth.
• Drive initiatives from technical design through implementation, testing, launch, and ongoing optimization; contribute to architecture decisions.
• Develop user-growth data and insights capabilities, collaborate across functions, and mentor engineers.

What they ask for

• Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience.
• 5+ years of software development experience building scalable, reliable backend and frontend systems.
• Proficiency in one or more backend languages (Java, Python, Go, or Node.js), familiarity with modern frontend technologies, and experience with REST or GraphQL APIs, microservices, and frontend-backend integration.
• Experience with testing infrastructure or automated testing, and AI-assisted development tools, including evaluating, validating, and debugging AI-generated code or solutions.

Nice to have

• Experience in user growth, E-commerce, monetization, advertising, or other data-driven consumer products.
• Experience building AI agents or agentic workflows, scaling initiatives, mentoring engineers, or working with globally distributed teams.

Tools

Java, Python, Go, Node.js, REST, GraphQL

AI focus

Uses AI-assisted development tools to improve engineering productivity and evaluates, validates, and debugs AI-generated code; preferred experience includes building AI agents or agentic workflows and applying AI to engineering or product use cases.