Description

Senior Backend Engineer & Technical Leader with 10+ years of experience designing, architecting, and implementing distributed systems. Specialized in Node.js, TypeScript, NestJS, and AWS for high-traffic global platforms. Experience in integrating complex third-party ecosystems (Shopify, PayPal, TikTok Shop, Auth0, Sabre, Amadeus, and others). Currently based in Barcelona, operating with a remote-first mindset across international time zones. Passionate about evolutionary architecture, clean code, and software quality.

Industry field of expertise

Languages

Portuguese
Native or bilingual
Spanish
Fluent
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Mayzing
Senior Software Engineer
E-COMMERCE
July 2022 - Today (4 years)
Barcelona, Spain
• ● Architect and maintain a distributed ecosystem of Node.js (NestJS) microservices powering a high-volume global sales platform, ensuring low-latency performance, scalability and resiliency for an international user base.
• ● Oversee the operational health and evolution of 30+ microservices, managing cross-service dependencies, deployment orchestration, and observability in a remote-first environment.
• ● Lead the business discovery, technical design and implementation of critical third-party integrations (Shopify, PayPal, TikTok Shop, Auth0), enabling seamless merchant connectivity and secure authentication flows.
• ● Champion Event-Driven Architecture utilizing AWS SQS and S3 to decouple services, improving system resilience and scalability under peak load.
• ● Drive engineering standards by implementing comprehensive test suites with Jest and optimizing CI/CD pipelines in Jenkins, reducing deployment friction and production regressions.
• ● Utilizing best software development practices, maintaining code quality, readability, and extensibility, as well as using AI tools like Github Copilot to assist in daily work.
Node.js NestJs Microservices Architecture External API integration IA
Loft
Senior Software Engineer | Technical Leader
REAL ESTATE
September 2021 - August 2022 (11 months)
Maringá, Brazil
• ● Served as Technical Leader for a critical real estate due diligence product, guiding architectural evolution and technical strategy for a platform processing high-value property transactions.
• ● Led a team of backend engineers, conducting structured 1:1 mentorship and code reviews that elevated team velocity and deepened expertise in microservices and clean code practices.
• ● Designed scalable backend solutions in Node.js (NestJS) within a Service-Oriented Architecture.
• ● Collaborated closely with product and cross-functional stakeholders to translate complex business requirements into robust, maintainable technical designs.
NestJs Node.js Infra as Code Microservices Architecture Typescript
ThoughtWorks
Lead Software Developer | Technical Leader | TWU Trainer
E-COMMERCE
March 2017 - October 2021 (4 years and 7 months)
Pune, MH, India
• ● Acted as Lead Trainer for ThoughtWorks University (TWU) in Pune, India—an intensive 5-week, English-immersion program—mentoring global entry-level consultants in TDD, Pair Programming, Evolutionary Architecture, and Agile Methodologies.
• ● Led backend engineering efforts across multiple client engagements (Airline Systems & E-commerce), specializing in Java (Spring Framework) and Event-Driven Microservices.
• ● Served as Tech Lead, performing architectural decisions.
• ● Delivered scalable, high-reliability systems using RabbitMQ for asynchronous messaging and MySQL for data persistence, ensuring seamless integration within complex enterprise landscapes.
JavaScript Microservices Architecture Agile Project Management External API integration Java