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denny_portillo

Denny Portillo

@denny_portillo

Senior Fullstack Developer

El Salvador
Spaans, Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
Software developer with 7+ years of experience transforming concepts into high-performance, real-time products, while leading teams to deliver scalable blockchain & AI-powered solutions.... Lees meer

Skills

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denny_portillo
Denny Portillo
offline • 
Gemiddelde reactietijd: 1 uur

Bekijk mijn diensten

Hulp en advies
I will do 1 hour code and architecture review
VanafUS$ 80 / projectMeer informatie
Websites op maat
I will build product or landing page with nextjs, react, typescript
VanafUS$ 3.000 / projectMeer informatie

Portfolio

Werkervaring

Senior Software Engineer

Diva Staking • Fulltime

Aug 2023 - Apr 2025 • 1 yr 8 mos

Delivered learn-to-earn airdrop flow (30k+ claims), real-time validator monitoring (Next.js/WebSockets/Redis), and GraphQL indexing services

Software Developer

Daoism Systems • Fulltime

May 2022 - Sep 2023 • 1 yr 4 mos

Integrated ERC4626 vaults ($5M+ TVL), built DAO governance MVP (+30% participation), NFT marketplace, and analytics dashboards

Scotiabank

Frontend Developer

Scotiabank • Fulltime

May 2021 - May 2022 • 1 yr

Shipped multi-region banking features, supported DR pilot rollout, and drove shared component library adoption