John Hall Email & Phone Number

New York, New York, US

• Site & Systems Architecture, Data Model Architecture
• Team Planning & Budgeting
• AI Rapid Development Consulting
• Developed several proof-of-concept SaaS products including an AI based website builder

Los Angeles, California, US

• Built-out and managed agile development team
• Architected back-end for FinTech product
• Pivotal role in creating company culture, policies, and communication style
• Technology used: Linux, Apache, Mysql, ReactJS, PHP, AWS, Redis, ElasticSearch

• Built-out and managed agile development team
• Designed & architected the product UI, backend, and databases
• Technology used: Linux, Apache, Mysql, PHP, C/C++, AWS, Redis, ElasticSearch, ReactJS
• Company raised over 5m in funding during my tenure as CTO

Remote-First Company, US

• . Key leader in helping Tradesy become one of the most successful startups in Los Angeles.
• . Helped grow the company from zero to 100 employees, including 30+ member tech team.
• . Architected an enormously scalable infrastructure that allowed Tradesy to grow very quickly, achieving a month over month growth rate of 10% to 30%.
• . Was the de facto head of HR for the first 2 years of the company.
• . Key role in defining and creating a great company culture whose primary tenants are ownership, honesty, drive, and kindness. This combination allowed Tradesy to truly thrive.
• Company raised over 30m in funding while I was co-founder and CTO

Chicago, Illinois, US

• Managed 3 high volume websites with over $1 million dollars in revenue per month, more than1 million monthly visitors, and $1 million dollars each month in SEM spend. Maintained almostperfect uptime (4 nines) for over.
• Responsible for the technology of all web sites, servers, infrastructure, internal systems, databases, reporting systems.
• Managed the development & maintenance of an SEM System that handled traffic for four Cars.com sites in addition to clients like Ford Direct as an SEM agency.
• Grew the technology team from 5 to 16 people; including developers, QA, DBAs, and system administrators.
• Worked with and guided tech managers in creating processes for data redundancy, system architecture, recruiting, networking, release processes, version control, and team standards.
• Leadership role and input into all aspects of the business including SEM, site production, office management, and sales processes.

Chicago, Illinois, US

• Architected new version of high volume sales lead system that increased ability to resend and reprocess leads; increasing revenue by more than $40k per year.
• Created fail-over versions of production web sites and implemented real-time replication to back-up all databases.
• Hardened systems (21 Linux servers) to be much more secure.
• Performed data analysis for marketing, business development, and sales teams and gave actionable recommendations based on the information found.
• Increased efficiencies across the business by creating monitoring and alert systems that would catch issues early.
• Architected and managed the development of an internal job candidate tracking system.

Culver City, CA, US

• Open-source application programmer, php, perl, system administration, mysql database administration.
• Architected and built several large-scale web sites for outside clients.
• Architected and built an online survey (questionnaire) system for Epson.
• Investigated and solved complex database and web server configuration issues for clients resulting in web site performance gains.

Carson, CA, US

• Architected and implemented new features for toystogrowon.com.
• Created data transfer system used at over 50 retail stores that ensured that all store transactions were accurately and consistently sent to the head office.
• Rewrote legacy data import system, speeding it up by over 40%.
• Added coupon functionality and business logic to retail cash register software.

Santa Monica, California, US

• Managed and maintained high-volume web site that lets consumers “Rate” online merchants. This survey system is one of the highest traffic sites on the internet.
• Architected a new version of the survey system to be much more flexible, dynamically swapping in new questions based on what the consumer answered earlier in the survey.

Minato-ku, Tokyo, JP

• Configured device drivers and operating system for factory installation of Toshiba PCs.
• Wrote installation and configuration scripts for factory installation of Toshiba PCs.