Portfolio Assistant
I am the portfolio assistant for Esteban. Ask for a recruiter summary, Coinbase proof, AI/product fit, technical depth, projects, education, or role alignment.
Sources: Role Fit, Receipts.txt
Applied AI / DevEx / technical product
Esteban Chirinos
I help AI and developer-platform teams turn customer friction into shipped demos, reference implementations, onboarding systems, and product feedback loops.
Applied AI ArchitectTechnical Product ManagerDeveloper ExperienceDemo EngineeringAI DeploymentPartner Solutions
$20M
Revenue impact supported
30+
Strategic partner integrations
2,000+
Monthly demo users
Portfolio proof console
Product signal from shipped technical work.
30+
Partner integrations
Coinbase Onramp, Embedded Wallets, Advanced Trade, x402, AgentKit.
30%
AI workflow lift
Reduced escalations through Salesforce, Slack, docs, and support systems.
100+
Developer signal
Weekly insights translated into product recommendations and docs updates.
Proof logos
Coinbase
TRM Labs
Polygon Labs
OpenSea
Microsoft
Recruiter-ready context
Ask the site for the role-fit signal.
The strongest product portfolios behave like tools. This chat preview lets visitors ask for the exact proof they need instead of hunting through every route.
Ask the proof
Turn the portfolio into a recruiter-ready answer.
This is a focused portfolio assistant, not a general chatbot. It answers from Esteban's work history, projects, metrics, role-fit notes, and source labels.
Best fit
AI platform and product teams
Turn model capability, user workflow, and launch risk into demos, eval criteria, and product decisions.
Best fit
Developer experience teams
Build reference apps, docs, onboarding paths, and support loops that make a platform easier to adopt.
Best fit
Partner and solutions teams
Translate customer ambiguity into architecture, rollout plans, and proof that helps revenue teams move.
Recognizable proof
Shipped in the kinds of environments hiring teams recognize.
The signal is not only the logos. It is the pattern across developer platforms, regulated customers, cloud accounts, partner launches, and product feedback loops.
$20M
Revenue impact supported
30+
Strategic partner integrations
100+
Developer insights translated
CoinbaseTRM LabsPolygon LabsOpenSeaGoogleMicrosoftPlaces I have worked
Developer platforms, cloud, fintech, marketplaces, financial services, and the customer signals that shape better products.
Coinbase
Senior Technical Solutions Engineer / April 2024 - Present
Customer-facing platform work for Coinbase Developer Platform across Onramp, Embedded Wallets, Advanced Trade, x402, AgentKit, and CDP products, turning developer pain points into demos, onboarding systems, technical guidance, AI workflows, and product feedback.
Developer platformAI workflowsPartner integrations
Led 30+ strategic partner integrations across Onramp, Embedded Wallets, and Advanced Trade, supporting $20M in revenue impact.
Built AI-enabled workflows across Salesforce, Slack, developer docs, and support operations, helping reduce escalations by 30%.
Developed production-grade demos, reference implementations, and integration tooling across Onramp, x402, Embedded Wallets, AgentKit, and CDP Wallets, totaling 58,000+ lines of code.
TRM Labs
Staff Solutions Architect / June 2023 - February 2024
Owned discovery-heavy solution design for regulated customers, connecting financial crime workflows, API capabilities, and product requirements through custom integrations and dashboard tooling.
DiscoveryAPI productsRegulated customers
Delivered 40+ custom API integration solutions for regulated customers, increasing client satisfaction by 30%.
Ran 60+ technical discovery sessions, lifting TRM technology-suite adoption by 25%.
Built 10+ dashboard tools and converted field learnings into clearer reference patterns, improving client feedback by 35%.
Polygon Labs
Solutions Engineer / August 2022 - February 2023
Built partner proof-of-concepts and solution narratives that helped teams evaluate web3 product opportunities across entertainment, DeFi, and NFT use cases.
POCsPartner strategyWeb3 products
Built and shipped web3 solutions across entertainment, DeFi, and NFT clients, impacting 15+ customers.
Streamlined team operations, reducing workflow delays by 40%.
Developed and showcased proof-of-concept integrations, increasing adoption by 20% and engagement by 35%.
OpenSea
Developer Relations Engineer / Product / January 2022 - July 2022
Worked across developer relations and product feedback for marketplace developers, owning docs, sample code, API request triage, partner engineering, and support automation.
API feedbackDeveloper productsPrioritization
Owned developer-facing docs, code samples, and partner engineering support.
Co-led API and SDK product strategy during a Product Manager rotation, prioritizing 100+ developer requests.
Improved support operations across 400 weekly cases through API key distribution and support automation systems.
Technical Account Manager
Supported cloud architecture and customer success for strategic accounts, connecting migration goals, technical enablement, and account health for enterprise users.
Microsoft
Technical Account Manager
Managed enterprise accounts across Azure, Office, and Microsoft's enterprise suite while building internal tools and training for account teams.
JPMorgan Chase
Software Engineering Intern
Built a React, Spring Boot, and PostgreSQL application for investment banking workflows and internal productivity.
What I have built
Reference apps, tutorials, founder products, and operator systems where product judgment, user clarity, and shipping speed all mattered.
01
Developer tooling
Coinbase Onramp Demo App
A developer-facing reference app for fiat-to-crypto conversion flows, now serving 2,000+ users each month.
Reference appDevEx2,000+ users/month
02
Developer tooling
Coinbase Onramp Asset Checker
A visual country and state eligibility checker built to reduce integration uncertainty for developers implementing Onramp.
API workflowsCustomer enablementDeveloper tool
03
Developer education
NFT Deployment Application
A CDP SDK and Pinata workflow for deploying NFTs across networks, packaged as practical technical documentation.
Reference implementationDocsSDK
04
Applied AI / web3
Creator Tip Application
A decentralized tipping app built with Next.js and OnchainKit that lets users support creators with crypto payments on Base.
Next.jsOnchainKitPayments
05
Founder product
True Rank Pickleball
A rating product built from zero to acquisition, including ranking logic and operator workflows.
AcquiredConsumer productFounder project
How I work
I sit between product, engineering, customers, and go-to-market teams. The output is usually a clearer product decision, a sharper roadmap signal, a better integration path, a stronger demo, or a faster path from customer need to shipped workflow.
Applied AI demosDeveloper experienceAgentic workflowsLLM evaluationTechnical product strategyAPI architectureTechnical discoveryVoice of customerCustomer enablementPartner solutionsReference apps
Product + technical training
Berkeley Haas
MBA, expected 2028
Product strategy, leadership, and go-to-market judgment.
Florida International University
B.S. Computer Science, 2019
Engineering foundation for platform, API, and AI product work.
Tech stack
TypeScript
React
Next.js
Node.js
Python
AWS
GCP
Docker