Kaique Gomes

Software Enginer @ Mercado Libre

About

Senior Software Engineer com mais de 5 anos de experiência no desenvolvimento de sistemas seguros, escaláveis e de alta disponibilidade no setor financeiro e de pagamentos. Especialista em backend com Java, Kotlin e Spring Boot, aplicando boas práticas como Clean Architecture, TDD, padrão Saga e testes automatizados com mais de 90% de cobertura. Possui forte atuação na construção de soluções financeiras complexas, incluindo boletos, pagamentos offline, contas multi-moeda e operações de câmbio em tempo real, garantindo conformidade com regulações brasileiras e internacionais. Experiência em ambientes cloud-native utilizando AWS, Docker, CI/CD e arquiteturas distribuídas, com participação ativa em decisões arquiteturais e colaboração com times multidisciplinares em empresas de alto impacto como Mercado Livre e C6 Bank.

Country

Brazil

City

São Bernardo do Campo

Industry

Banking

Skill

SQL, Google BigQuery, Git, Computação em nuvem, Software Development, Back-End Web Development, Redis, Amazon Web Services, MongoDB, Desenvolvimento de back-end, Spring Boot, JUnit, mockk, Amazon SQS, Saga pattern, Javalin, Koin, DDD, TDD, Java

Experience

Software Enginer

Mercado Libre

2024-4 - Present · 2 yrs 6 mos

São Paulo, Brasil

Developed and maintained features in the Offline Payments domain, including bank slips (boletos), DDA, salary portability, and SLC-ID. Collaborated with cross-functional teams (product, engineering, business) to deliver complex payment solutions in compliance with Brazilian financial regulations. Designed and implemented secure and scalable systems integrating with internal services and external financial institutions. Actively contributed to architecture decisions and cross-team initiatives to improve platform reliability, performance, and compliance. Improved testing practices across all projects, consistently achieving 90%+ automated test coverage (unit, integration, and e2e). Implemented performance optimizations to meet strict SLAs, ensuring 99.9% uptime across critical services. Main technologies: Java, Spring Boot, Fury (Internal DevOps)

Tech Analyst Senior

C6 Bank

2024-1 - 2024-4 · 4 mos

São Paulo, Brazil

Collaborated closely with PMs and stakeholders to define scope, roadmap, and delivery milestones for the Conta Global product. Designed and implemented financial features including multi-currency support, international remittances, debit transactions, and real-time forex operations. Led end-to-end feature ownership across the full development lifecycle: design, testing (unit/integration/e2e), deployment, and maintenance. Actively participated in architecture discussions and defined integration strategies with both internal services and external banking partners. Applied TDD and extensive automated testing practices to ensure reliability in highly regulated financial flows. Implemented Saga pattern for transaction orchestration, guaranteeing consistency across distributed systems. Main technologies: Kotlin (Javalin framework), AWS (ECS, S3, RDS, CloudWatch), PostgreSQL, Redis, Docker, CI/CD pipelines (GitHub Actions). Contributed to the success of a product enabling Brazilians to use USD/EUR accounts abroad with debit card and ATM access.