IsaiasF.Santos
Software EngineerSenior Software Developer
Senior Software Developer with 10+ years of experience delivering web, cloud, commerce, ERP, and customer-facing platforms. Hands-on expertise across frontend applications, backend services, APIs, event-driven workloads, micro-frontends, and third-party integrations using TypeScript, Node.js, React, Next.js, GraphQL, REST, AWS, and PostgreSQL. Combines strong implementation skills with technical leadership, code review, mentoring, system design, and production support. Delivered subscription capabilities that contributed to a 12% increase in recurring revenue and caching patterns that materially reduced external API traffic.
Frontend Technologies:
Next.jsReactTailwindTypeScriptBackend Technologies:
Node.jsExpressNestJSPostgreSQLGraphQLIntegrations:
ContentfulcommercetoolsDoordashStripeBraintreecopilotKitChatGPTWork 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.