Senior Growth Full-Stack Engineer - Remote US
Seamless.AIUnited States
Posted September 5, 2025
Full Time
About the Company
Seamless.ai utilizes AI to provide impactful sales leads and maximizes revenue opportunities for users.
Job Description
Seamless.AI is seeking a Senior Growth Full-Stack Engineer to join their Activation team, focusing on accelerating user onboarding, engagement, and activation. The role involves designing, building, and maintaining experiments to improve product discovery and customer retention, working closely with product, design, and data teams.
Requirements
- 5+ years of experience as a full-stack engineer (startup or growth-focused environment preferred)
- Strong proficiency in modern JavaScript/TypeScript (React.js, Node.js)
- Proficiency with modern database technologies (PostgreSQL, Vector DBs, OpenSearch, DynamoDB)
- Proficiency with Cloud architecture and scalability best practices, in particular AWS
- Hands-on experience with A/B testing platforms (GrowthBook, Optimizely, LaunchDarkly, etc)
- Familiarity with feature flag systems and controlled experiment rollout strategies
- Experience with product analytics tools (Amplitude, Segment, Tableau)
- Strong data-driven mindset with statistical evaluation of experiment outcomes
- Comfort working in fast-moving growth teams
