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 · Developer experience · Technical product
EstebanChirinos
Est. 2019 — present
I help AI and developer-platform teams turn customer friction into shipped demos, reference implementations, onboarding systems, and product feedback loops.
Drawn by
E. Chirinos
Current
Coinbase
Sr. Technical Solutions Engineer
Location
Miami, FL
Open to SF Bay + remote
Education
Berkeley Haas
MBA, expected 2028
Focus
Applied AI
DevEx / technical product
Rev
2026.07
Portfolio revision
Sheet
A-01 / 06
Title sheet
Proof
$20M revenue supported30+ partner integrations2,000+ monthly demo users
Sht A-02 · WorkFull history
Selected work
Developer platforms, cloud, fintech, and marketplaces — and the customer signal that shaped better products at each stop.
April 2024 — Present
Coinbase
Senior Technical Solutions Engineer
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.
Led 30+ strategic partner integrations across Onramp, Embedded Wallets, and Advanced Trade, supporting $20M in revenue impact.
June 2023 — February 2024
TRM Labs
Staff Solutions Architect
Owned discovery-heavy solution design for regulated customers, connecting financial crime workflows, API capabilities, and product requirements through custom integrations and dashboard tooling.
Delivered 40+ custom API integration solutions for regulated customers, increasing client satisfaction by 30%.
August 2022 — February 2023
Polygon Labs
Solutions Engineer
Built partner proof-of-concepts and solution narratives that helped teams evaluate web3 product opportunities across entertainment, DeFi, and NFT use cases.
Built and shipped web3 solutions across entertainment, DeFi, and NFT clients, impacting 15+ customers.
January 2022 — July 2022
OpenSea
Developer Relations Engineer / Product
Worked across developer relations and product feedback for marketplace developers, owning docs, sample code, API request triage, partner engineering, and support automation.
Owned developer-facing docs, code samples, and partner engineering support.
October 2020 — January 2022
Technical Account Manager
Supported cloud architecture and customer success for strategic accounts, connecting migration goals, technical enablement, and account health for enterprise users.
July 2019 — October 2020
Microsoft
Technical Account Manager
Managed enterprise accounts across Azure, Office, and Microsoft's enterprise suite while building internal tools and training for account teams.
May 2019 — August 2019
JPMorgan Chase
Software Engineering Intern
Built a React, Spring Boot, and PostgreSQL application for investment banking workflows and internal productivity.
Sht A-03 · BuildsAll projects
What I have built
Reference apps, tutorials, founder products, and operator systems where product judgment and shipping speed both mattered.
Sht A-04 · Q&AAsk AI
Ask the portfolio
The strongest portfolios behave like tools. Ask for the exact proof you need instead of hunting through every route.
Portfolio assistant
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.
Sht A-05 · Spec
How I work
I sit between product, engineering, customers, and go-to-market teams. The output is a clearer product decision, a sharper roadmap signal, a stronger demo, or a faster path from customer need to shipped workflow.
Capabilities
Applied AI demosDeveloper experienceAgentic workflowsLLM evaluationTechnical product strategyAPI architectureTechnical discoveryVoice of customerCustomer enablementPartner solutionsReference apps
Stack
TypeScript · React · Next.js · Node.js · Python · AWS · GCP · Docker
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.
Sht A-06 · Contact
Building something technical?
I am open to applied AI, developer experience, technical product management, demo engineering, AI deployment, partner solutions, and customer-facing platform roles.