Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Product-minded Senior Full-Stack Engineer with nearly 10 years of experience building and shipping customer-facing products, internal tools, payment workflows, cloud-native services, and AI-enabled automation. Owns features end-to-end—from ambiguous requirements and system design to implementation, testing, release, and production improvement. Hands-on across React/Vue/TypeScript and Java/Spring Boot/Node/.NET/Python, with strong focus on secure APIs, predictable workflows, observability, and quality. Collaborative technical leader who mentors engineers and partners with product, design, risk, and platform teams to deliver reliable outcomes.…Product-minded Senior Full-Stack Engineer with nearly 10 years of experience building and shipping customer-facing products, internal tools, payment workflows, cloud-native services, and AI-enabled automation. Owns features end-to-end—from ambiguous requirements and system design to implementation, testing, release, and production improvement. Hands-on across React/Vue/TypeScript and Java/Spring Boot/Node/.NET/Python, with strong focus on secure APIs, predictable workflows, observability, and quality. Collaborative technical leader who mentors engineers and partners with product, design, risk, and platform teams to deliver reliable outcomes.

Marcelo Rocha

Full Stack Developer, Software Engineer, Back-End Developer, +2





Product-minded Senior Full-Stack Engineer with nearly 10 years of experience building and shipping customer-facing products, internal tools, payment workflows, cloud-native services, and AI-enabled automation. Owns features end-to-end—from ambiguous requirements and system design to implementation, testing, release, and production improvement. Hands-on across React/Vue/TypeScript and Java/Spring Boot/Node/.NET/Python, with strong focus on secure APIs, predictable workflows, observability, and quality. Collaborative technical leader who mentors engineers and partners with product, design, risk, and platform teams to deliver reliable outcomes.…Product-minded Senior Full-Stack Engineer with nearly 10 years of experience building and shipping customer-facing products, internal tools, payment workflows, cloud-native services, and AI-enabled automation. Owns features end-to-end—from ambiguous requirements and system design to implementation, testing, release, and production improvement. Hands-on across React/Vue/TypeScript and Java/Spring Boot/Node/.NET/Python, with strong focus on secure APIs, predictable workflows, observability, and quality. Collaborative technical leader who mentors engineers and partners with product, design, risk, and platform teams to deliver reliable outcomes.

Available to hire

Product-minded Senior Full-Stack Engineer with nearly 10 years of experience building and shipping customer-facing products, internal tools, payment workflows, cloud-native services, and AI-enabled automation. Owns features end-to-end—from ambiguous requirements and system design to implementation, testing, release, and production improvement.

Hands-on across React/Vue/TypeScript and Java/Spring Boot/Node/.NET/Python, with strong focus on secure APIs, predictable workflows, observability, and quality. Collaborative technical leader who mentors engineers and partners with product, design, risk, and platform teams to deliver reliable outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Software Development Engineer at Salesforce

May 1, 2024 - June 1, 2026

Owned full-stack TypeScript/Python capabilities and React/React Native interfaces in a remote consultancy environment, aligning technical scope with customer outcomes and improving related feature delivery speed by ~25%. Designed secure APIs and distributed workflows with authentication/authorization, validation, Redis caching, and idempotent processing; optimized database access and reduced average API latency by ~30%. Built user-facing flows with predictable state management, validation, and robust error handling across devices. Containerized services with Docker, supported Kubernetes deployments, and strengthened GitLab CI/CD quality gates, reducing recurring production defects by ~20%. Implemented retrieval-augmented generation experiments using embeddings, sentence-transformers, and FAISS for more contextually relevant internal AI responses. Improved React performance via Redux normalization, refactoring, lazy loading/code splitting, caching, and better API request patterns. Led a

Senior Software Engineer at Amazon

September 1, 2020 - April 1, 2024

Owned Java/Spring Boot services powering high-availability payment and commerce workflows, balancing delivery with security, resilience, and predictable API behavior. Built and maintained REST APIs for transaction processing, customer workflows, merchant integrations, and asynchronous status updates using idempotency, defensive validation, and consistent error handling. Developed React/TypeScript operational tools to help teams investigate transactions and resolve customer/merchant issues. Strengthened authentication and authorization with Spring Security, OAuth 2.0, role-based permissions, encrypted communication, and careful handling of payment-related information. Delivered containerized deployments via Docker/Kubernetes and automated infrastructure changes with Terraform for repeatable environments. Implemented Prometheus metrics and Grafana dashboards for latency, errors, and service health, enabling faster debugging and incident response. Partnered with product, risk, security, a

Full-Stack Engineer at Konfío

April 1, 2018 - August 1, 2020

Built and shipped customer-facing and internal Vue.js features for small-business financial workflows, translating product/operational/compliance requirements into clear user experiences. Integrated Vue.js (Redux-style predictable data flows) with Apollo Client interfaces backed by REST and GraphQL APIs. Developed reusable components for multi-step forms, document collection, validation, filtering, status tracking, and operational review queues used in sensitive financial processes. Improved responsiveness by reducing unnecessary rendering, simplifying state management, optimizing API requests, and handling larger result sets efficiently. Implemented real-time updates with WebSockets for workflow changes and operational notifications, strengthening loading/retry/error-recovery behavior. Added Jest tests for JavaScript/Vue components, investigated production regressions, and improved validation/error handling across workflows.

Software Engineer at Luby Software

September 1, 2016 - March 1, 2018

Developed end-to-end business-management capabilities for small and medium organizations, including administrative workflows, customer records, reporting, and document-oriented processes. Built reusable React/TypeScript interfaces integrated with Node.js/Express REST APIs to improve consistency across customer-facing business applications. Implemented validation, authentication, authorization, and SQL-backed workflows for applications handling sensitive financial and operational information. Added unit tests, investigated production defects, documented system behavior, and supported peer reviews, structured releases, and post-launch reliability improvements.