Full Stack Engineer, AI

Gesture

Full Stack + AI Engineer developing consumer intelligence solutions at Gesture. Leading technical implementation for AI-driven personalization and loyalty systems with cross-functional collaboration.

Posted 4/24/2026full-timeNew York City • New York • 🇺🇸 United StatesMid-LevelSenior💰 $75,000 - $150,000 per yearWebsite

Tech Stack

Tools & technologies

CloudFirebaseGoogle Cloud PlatformReactReact Native

About the role

Key responsibilities & impact

Lead the technical implementation of REAL.AI, Gesture’s consumer intelligence engine - including data modeling, predictive algorithms, and personalized recommendation pipelines.
Architect and build loyalty program infrastructure that ties user behaviors (send frequency, engagement, referrals, redemption patterns) to tangible rewards and predictive engagement cycles.
Collaborate with the mobile team (React Native) to implement AI-driven personalization across feeds, notifications, and product recommendations.
Develop and integrate API layers between Firebase, Zoho CRM, Segment, Voucherify, and Gesture’s internal data warehouse (GCP).
Build scalable backend services that support dynamic campaigns, A/B tests, and loyalty redemptions.
Partner cross-functionally with data science, marketing, and product design to translate consumer behavior into actionable features.
Optimize performance, ensure data integrity, and design systems for scalability across millions of users and transactions.

Requirements

What you’ll need

4–8 years of full stack and/or AI engineering experience (startup or growth-stage preferred)
Experience building and shipping AI-driven personalization or loyalty systems
Hands-on experience with Firebase, React Native, Google Cloud ecosystem
Prior exposure to CRM-based data flows (Segment, Zoho, HubSpot, etc.)
Bonus: Experience with recommendation algorithms, reinforcement learning, or consumer marketing tech.

Benefits

Comp & perks

Health Benefits and Stock Options
Make a Gesture Day: Each employee receives the chance to earn credit to send a surprise gift to someone they admire — living the company mission firsthand.
Gesture Swag Pack: exclusive branded gear (hoodie, water bottle, or cap)
Beautiful HQ Experience: Modern New York office with creative work zones, media studio, and collaboration spaces.
Paid Team Lunches or Coffee Hours: Casual networking with leadership and cross-department peers.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

data modelingpredictive algorithmspersonalized recommendation pipelinesAPI developmentA/B testingloyalty systemsrecommendation algorithmsreinforcement learningfull stack engineeringAI engineering

Soft Skills

collaborationcross-functional partnershipactionable feature translationperformance optimizationdata integrity assurancescalability design