Job Description

Seamless.AI is seeking a Senior Growth Full-Stack Engineer to join their Activation team. This role focuses on designing, building, and running experiments to improve user onboarding, engagement, and activation, working closely with product, design, and analytics teams to rapidly iterate and improve user experience.

Responsibilities

• Collaborate on A/B tests and growth experiments
• Build and maintain full-stack features and experiment infrastructure
• Implement and manage feature flagging systems
• Work with experimentation platforms like GrowthBook
• Instrument and track user behavior in analytics platforms
• Write clean, scalable code (React, Node.js)
• Monitor and evaluate experiment outcomes
• Balance speed and engineering best practices

Requirements

• 5+ years of full-stack engineering experience (SaaS preferred)
• Proficiency in JavaScript/TypeScript (React.js, Node.js)
• Proficiency with database technologies (PostgreSQL, Vector DBs, OpenSearch, DynamoDB)
• Cloud architecture and scalability best practices (AWS)
• Experience with A/B testing platforms
• Familiarity with feature flag systems
• Experience with product analytics tools (Amplitude, Segment, Tableau)
• Data-driven mindset and statistical evaluation skills
• Bachelor’s degree in Computer Science or related field

Benefits

• No benefits