The sun rendered as a burning sphere of plasma behind the name Isaias F. Santos

Isaias F. Santos

Solution Architect

Solution

architect
60%Frontend
40%Backend
4+AI native projects
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Human native

Solution Architect with 10+ years of experience designing and delivering distributed systems and AI-enabled platforms across web, cloud, commerce, and ERP domains. Hands-on expertise across solution and system design, event-driven architectures, microservices, micro-frontends, and third-party integrations using TypeScript, Node.js, React, Next.js, GraphQL, REST, AWS, and PostgreSQL. Combines architectural leadership — standards, code review, mentoring, production support — with the implementation depth to ship what he designs. Delivered subscription capabilities that contributed to a 12% increase in recurring revenue and caching patterns that materially reduced external API traffic.

Frontend Technologies:

Next.jsReactTailwindTypeScript

Backend Technologies:

Node.jsExpressNestJSPostgreSQLGraphQL

Integrations:

ContentfulcommercetoolsDoordashStripeBraintreecopilotKitChatGPT

Work Experience

Outliant

Solution Architect

    • Design and deliver customer-facing applications and integration services across booking, checkout, payments, customer profiles, claims, CMS, analytics, and lead-management workflows. • Build and guide implementation of AWS-based serverless services and APIs using TypeScript, Node.js, Lambda, API Gateway, DynamoDB, and external platform integrations. • Define API contracts, data flows, error-handling behavior, caching strategies, deployment requirements, and observability expectations in collaboration with frontend and backend engineers. • Designed multi-layer caching and asynchronous refresh patterns that materially reduced third-party API traffic while improving application performance and resilience. • Review code, troubleshoot production issues, document root causes, and coordinate remediation across product, design, QA, delivery, and engineering teams.

    Bold Commerce

    Senior Software Development Engineer

    May 2025 - current

    • Next.js
    • Commercetools
    • TypeScript
    • React
    • Jest
    • NestJS
    • BigCommerce

    Commercetools Developer Expert and Node.js with experience integrating Bold Checkout for seamless payment processing, customizing checkout experiences, writing reliable unit tests, and collaborating with DevOps on deployment strategies and Design System.

    Everest Systems

    Senior Software Development Engineer

    Nov 2022 - May 2025

    • Node
    • TypeScript
    • React
    • AWS
    • Git
    • GraphQL
    • NX
    • NestJS

    Led the design and development of complex business rules and scalable cloud-native systems using AWS (Lambda, SQS, EventBridge, Cognito, RDS). Architected and implemented a new ERP system for a multinational startup, building reusable components with React, Node.js, PostgreSQL, and TypeScript, while defining architectural standards and driving performance-focused engineering initiatives.

    Software Engineer

    Valtech

    March 2020 - April 2021

    • Commercetools
    • Contentful
    • Jest
    • Stripe
    • Braintree
    • Azure
    • GCP
    • AWS
    • NestJS
    • React
    • jest
    • Storybook

    At Valtech, led full-stack development for PetSmart and ISC2, building MACH-compliant e-commerce platforms with Commercetools, contentful, GraphQL, Node.js, and cloud-native architectures (GCP & Azure). Designed scalable microservices and mentored client teams.

    Object Edge

    Object Edge

    March 2020 - April 2021

    • Commercetools
    • Contentful
    • GraphQL
    • NestJS
    • NextJS
    • React
    • Stripe
    • GCP
    • AWS

    Experience with__ Contentful, Commercetools, GraphQL, Node.js, React, Next.js, Gatsby, and GCP__. At Nuts.com, led subscription program (+12% revenue), PHP→Node/Vue migration, MACH adoption, and AWS automation. At Zenni, built microservices, checkout flows, and a product config engine.

    Frontend Developer

    Happy Biz

      Work with focus on creating mobile and web applications using React, Javascript ,Typescript, React Native and AWS. I was responsible for creating and implementing all UI/UX for web and mobile applications.

      Projects

      Selected client engagements and personal work. Open any card for the full case study — context, what was built, and the outcome.