Jimmy Baker

Shipping high-impact features for HubSpot's Sequences product, building AI-powered sales tools that help millions of organizations grow better.

• Shipped the new Prospecting Agent, an AI-powered tool that automates sales prospecting workflows
• Built email templates with Smart Blocks, enabling dynamic and personalized email content at scale
• Delivered numerous improvements to the Sequences product, enhancing reliability and user experience
• Collaborated cross-functionally to drive product innovation in the sales automation space

Led the Membership Growth team to enhance user engagement and satisfaction through the innovative development of key product features for the Rides and Eats applications.

• Launched Uber One — Uber's mobility and delivery membership program with 30M+ global members
• Designed and architected event-driven systems processing millions of events per hour
• Developed membership upsells seen by millions of people daily across the world
• Created membership benefits including Rides cashback, discounts on Eats orders, and latest arrival guarantee
• Optimized codebase for scalability and performance, reducing application load times by 30%
• Served as primary on-call engineer, maintaining high service availability for millions of users
• Mentored junior team members in engineering best practices

Built new features for the merchant portal and led the development of Postmates Unlimited membership program.

• Led development of Postmates Unlimited, increasing user engagement by 40%
• Created Visa partnership feature for free Postmates Unlimited
• Optimized codebase using GraphQL and Apollo, reducing load times by 25%
• Mentored junior engineers on best practices

Built the core technology platform for a bill negotiation service (acquired by Experian).

• Created GraphQL API for internal, customer, and partner-facing applications
• Built web scraper for automated bill collection
• Developed partner portal and API for third parties like Honey

Co-founded and built a multi-tenant business operations management platform.

• Built platform with omni-channel sales, inventory management, e-commerce, and POS features
• Created iPad Point-of-sale app using React Native with GraphQL backend
• Achieved PCI certification as a TSYS/Cayan partner
• Built custom ElasticSearch index for faceted search capabilities

Worked on Desk.com, a customer support platform.

• Built the Desk.com V2 REST API
• Contributed to new Support Agent application using Angular
• Led development of analytics dashboard