Hello, I'm
Charlie Rivera
Senior Product Manager with 10+ years leading cross-functional SaaS, EdTech, HealthTech, and digital-media platforms — and an AI-native builder who ships the products I spec. Track record includes $5M+ incremental revenue, 4.7x MRR growth, and products serving 20M+ monthly users.
/ Career
A timeline of my professional journey, roles, education, and milestones.
Technical Product Manager
100 Boulevard
Owned end-to-end delivery of three Medicaid application types for NYC's HRA ecosystem, managing Jira backlog, acceptance criteria, and release sequencing. Partnered with engineering to decouple DocuSign generation from form validation, and used Claude Code and AI-assisted mockups to accelerate frontend specs.
Senior Product Owner
Bizee
Led a multi-variant A/B testing program (8 experiments) that lifted checkout conversion 37%. Scaled a new subscription product from $11K to $52K MRR (4.7x) and grew partner banking revenue 43% across Relay Bank and U.S. Bank integrations.
Senior Product Manager
Genius Group Limited
Led migration to a React-based architecture (~40% faster page loads) and launched a personalized GPT-4 study assistant that reached 10,000+ users in its first quarter, raising NPS from 32 to 41. Managed two distributed Scrum teams across Singapore, India, and EMEA.
Senior Product Manager
Libsyn
Launched an end-to-end podcast production suite automating 5 workflows (audio, transcription, show notes, RSS, analytics), cutting average time-to-publish from 4.5 to 3 hours. Led a WordPress → Contentful headless-CMS migration that dropped publication errors from 12% to 3%, and rolled out a company-wide product-analytics framework (Amplitude + Segment).
Senior Product Manager
Go1
Built a proprietary secure content-playback platform with SSO-enabled enterprise access and entitlement rules, expanding playable coverage 32% and unblocking partners worth $2.3M ARR. Launched Teams/Slack integrations reaching 15,000 MAU in six months.
Product Manager
Payscale
Owned Payscale's Salary Pages (6M+ indexed pages, 20M monthly users), driving $2M+ in incremental annual revenue and running 24 VWO experiments. Led research that redesigned the salary survey, lifting completion from 34% to 51%.
Associate Product Manager
PitchBook
Led product initiatives to improve search relevance and data discoverability, reducing search-result abandonment through better filtering and ranking. Ran 20+ user interviews and usability sessions with institutional investors and PE professionals, and partnered with two 6-person engineering teams and two UX designers to ship 4 major feature releases.
B.S. in International Business & Management
University of Montana
Missoula, MT — foundation in business strategy, management, and international markets that underpins a product career spanning fintech, EdTech, HealthTech, and enterprise SaaS.
Technical Product Manager
100 Boulevard
Owned end-to-end delivery of three Medicaid application types for NYC's HRA ecosystem, managing Jira backlog, acceptance criteria, and release sequencing. Partnered with engineering to decouple DocuSign generation from form validation, and used Claude Code and AI-assisted mockups to accelerate frontend specs.
Senior Product Owner
Bizee
Led a multi-variant A/B testing program (8 experiments) that lifted checkout conversion 37%. Scaled a new subscription product from $11K to $52K MRR (4.7x) and grew partner banking revenue 43% across Relay Bank and U.S. Bank integrations.
Senior Product Manager
Genius Group Limited
Led migration to a React-based architecture (~40% faster page loads) and launched a personalized GPT-4 study assistant that reached 10,000+ users in its first quarter, raising NPS from 32 to 41. Managed two distributed Scrum teams across Singapore, India, and EMEA.
Senior Product Manager
Libsyn
Launched an end-to-end podcast production suite automating 5 workflows (audio, transcription, show notes, RSS, analytics), cutting average time-to-publish from 4.5 to 3 hours. Led a WordPress → Contentful headless-CMS migration that dropped publication errors from 12% to 3%, and rolled out a company-wide product-analytics framework (Amplitude + Segment).
Senior Product Manager
Go1
Built a proprietary secure content-playback platform with SSO-enabled enterprise access and entitlement rules, expanding playable coverage 32% and unblocking partners worth $2.3M ARR. Launched Teams/Slack integrations reaching 15,000 MAU in six months.
Product Manager
Payscale
Owned Payscale's Salary Pages (6M+ indexed pages, 20M monthly users), driving $2M+ in incremental annual revenue and running 24 VWO experiments. Led research that redesigned the salary survey, lifting completion from 34% to 51%.
Associate Product Manager
PitchBook
Led product initiatives to improve search relevance and data discoverability, reducing search-result abandonment through better filtering and ranking. Ran 20+ user interviews and usability sessions with institutional investors and PE professionals, and partnered with two 6-person engineering teams and two UX designers to ship 4 major feature releases.
B.S. in International Business & Management
University of Montana
Missoula, MT — foundation in business strategy, management, and international markets that underpins a product career spanning fintech, EdTech, HealthTech, and enterprise SaaS.
/ Featured Projects
A selection of professional work, published apps, and experimental prototypes.
LumiCell Skin Science
A Spanish-language e-commerce storefront for a Mexico-based aesthetic-medicine and skincare brand — custom and CMS-driven, designed for speed and SEO, with a real Mexican payment path, built solo with AI-assisted development.
sanamente.ai
An all-in-one, Spanish-first mental-health therapy platform for the Mexican market — unifying patient management, sessions, scheduling, and patient communication around AI-assisted clinical note generation, built for local clinical standards.
Model Evaluation Web App
A dual-mode evaluation web app that benchmarks speech-to-text and translation models on a single Spanish-language clinical session — reference-free and reference-based metrics, an LLM judge audited by human scoring, and a fully offline demo. Built solo with AI-assisted development.
/ Skills & Tools
Breakdown of my skills and tools, categorized by domain and proficiency
Product & Delivery
AI & Automation
Building With (AI-Assisted)
/ Contact Me
Feel free to reach out. I'm always open to discussing new projects and opportunities.
[email protected]
Send Email+14254690753
Send MessageGitHub
github.com/codeotter44
View Profilewww.linkedin.com/in/charlesrivera/
ConnectPreferred: Email and WhatsApp — I typically respond within 24 hours.