Isaias F Santos - Resume

Solution Architect | Distributed Systems & AI-Enabled Platforms

Summary

    Solution Architect with over 10 years of experience designing distributed systems and AI-enabled platforms for commerce, ERP, and customer-facing products.

    • Architecture: Solution and system design for cloud-native platforms — event-driven workflows, microservices, and micro-frontends on AWS (Lambda, SQS, EventBridge, RDS, DynamoDB).
    • Delivery: Hands-on full-stack implementation with TypeScript, Node.js, React, Next.js, GraphQL, and Apollo Server, with testing from Jest and React Testing Library and containers with Docker, Docker Compose, and Kubernetes.
    • Integrations: Commercetools, Shopify, Algolia, DoorDash, Contentful, Braintree, Stripe, and Sentry.
    • AI-enabled platforms: LLM APIs (OpenAI, Claude), RAG, prompt engineering, and AI agents (MCP/WebMCP) applied to production systems, with multi-cloud experience across AWS, GCP, and Azure.

    Professional Experience

    Here is my work Experience

    Outliant

    Solution Architect

    Oct 2025 - Present | Remote

    • AWS
    • Next.js
    • TypeScript
    • Node.js
    • Lambda
    • DynamoDB
    • CloudFront
    • Amplify

    Technology: AWS, React, Next.js, TypeScript, Node.js, Lambda, API Gateway, DynamoDB, CloudFront, Amplify, Webflow, Mindbody, RepairQ, Creatio

    • Own solution architecture from discovery through production for customer-facing platforms and integrations spanning booking, checkout, payments, profiles, claims, CMS, analytics, and lead management.
    • Translate business goals and operational constraints into target-state designs; define system boundaries, API contracts, data flows, environment and deployment strategies, observability, caching, and security controls.
    • Lead client workshops and architecture reviews, aligning product, delivery, design, frontend, and backend teams on scope, estimates, dependencies, risks, and pragmatic trade-offs.
    • Design AWS-based serverless services and integrations using Node.js and TypeScript across customer-facing and operational workflows.
    • Designed multi-layer caching and asynchronous refresh patterns that materially reduced third-party API traffic while improving performance and resilience.
    • Guide production readiness through architecture reviews, code reviews, release governance, incident analysis, RCA documentation, and remediation planning.

    Bold Commerce

    Full-Stack Engineer - Commerce Architecture

    May 2025 - Sep 2025 | Winnipeg, Canada / Remote

    • Commercetools
    • Shopify
    • Node.js
    • TypeScript
    • Payments
    • CI/CD

    Technology: Commercetools, Shopify, Bold Checkout, Node.js, TypeScript, payments, automated testing, CI/CD

    • Served as the Commercetools and Node.js specialist for the Bold Checkout team, shaping integration architecture for enterprise checkout and payment workflows.
    • Designed and implemented the Bold Checkout integration with Commercetools, balancing extensibility, reliability, platform constraints, and client-specific requirements.
    • Supported Shopify-based storefronts integrated with Bold Checkout, collaborating on checkout behavior, data flows, payment workflows, error handling, and external commerce services.
    • Worked directly with clients and internal platform teams to clarify integration constraints, guide implementation decisions, and protect platform stability and maintainability.
    • Improved release confidence through automated testing, technical review, and collaboration on CI/CD and deployment strategies.

    Everest Systems

    Senior Software Development Engineer

    Nov 2022 - May 2025 | Remote

    • AWS
    • Node.js
    • TypeScript
    • React
    • Redux
    • PostgreSQL
    • EventBridge
    • SQS

    Technology: AWS Lambda, SQS, EventBridge, Cognito, RDS, PostgreSQL, React, Redux, Node.js, TypeScript

    • Designed cloud-native and serverless capabilities for a highly configurable ERP platform, including event-driven workflows, authentication, persistence, and distributed business processes.
    • Defined architectural standards, reusable patterns, and engineering practices focused on scalability, reliability, performance, testability, and maintainability.
    • Translated complex ERP rules into modular frontend and backend services while preserving configurability and usability.
    • Introduced AI-assisted development tools and workflows for code scaffolding, test generation, refactoring, debugging, documentation, and technical research, reducing repetitive work while retaining code review and automated testing.
    • Provided technical leadership across solution design, implementation, code review, mentoring, onboarding, production support, and long-term platform evolution.

    Valtech

    Software Engineer / Technical Lead

    Apr 2021 - Nov 2022 | Remote

    • Nx
    • Next.js
    • GraphQL
    • Node.js
    • GCP
    • Azure
    • Commercetools
    • Contentful

    Technology: Nx, Next.js, GraphQL, Node.js, GCP/GKE, Azure Functions, Algolia, Salesforce, Commercetools, Contentful

    PetSmart - Senior Full-Stack Engineer

    • Led development of an Nx monorepo supporting multiple Next.js micro-frontends, shared libraries, and backend services deployed to GKE.
    • Implemented MACH-aligned patterns across headless commerce, GraphQL/API layers, cloud deployment, and modular frontend architecture.
    • Contributed architecture decisions spanning frontend, backend, GraphQL, infrastructure, testing, and developer experience.

    ISC2 - Senior Full-Stack Engineer

    • Architected a GraphQL and microservices backend from the ground up, improving modularity, extensibility, and separation of concerns.
    • Designed Azure serverless integrations with Algolia, Salesforce, and Commercetools.
    • Produced architecture documentation and onboarded internal engineers to the solution structure and engineering practices.

    Object Edge Inc.

    Full-Stack Developer

    Mar 2020 - Apr 2021 | Walnut Creek, CA / Remote

    • Commercetools
    • Contentful
    • Node.js
    • GraphQL
    • React
    • Next.js
    • Vue.js
    • AWS

    Technology: Commercetools, Contentful, Node.js, GraphQL, React, Next.js, Vue.js, AWS, GCP

    • Built headless commerce architectures for enterprise clients using Commercetools, Contentful, GraphQL, Node.js, and modern frontend frameworks.
    • For Nuts.com, led subscription capabilities that contributed to a 12% increase in recurring revenue and supported migration from PHP to Vue.js and Node.js.
    • For Zenni Optical, led backend microservices for Cart, Login, and Order History and designed a product-configuration engine for customized eyewear.
    • Implemented event-driven automation with AWS Lambda and EventBridge for transactional and operational workflows.