Raphael Bachega

Achievements • Implemented 3 new billing APIs measured by enabling 50k brokers to manage debts digitally using a streamlined interface. • Facilitated a 30% reduction in manual outreach tasks by integrating a WhatsApp Opt-In flow for brokers using automation tools. • Delivered commission-reporting APIs measured by 100% real-time visibility using automated data integration. • Developed Elasticsearch dashboards measured by enhanced decision-making using real-time data from Excel-reporting APIs. • Improved code reliability by 30% measured by reduced billing errors using Hexagonal Architecture and integration testing. Context Worked on backend systems for one of Brazil’s largest insurers, focused on billing, integrations, and reporting. Activities • Developed and maintained REST APIs with Java/Spring Boot. • Implemented integrations with third-party and internal systems. • Designed integration tests for REST and event-driven flows. • Supported distributed systems for large-scale data processing. • Participated in agile ceremonies (daily, planning, refinement, retro). • Collaborated with QA, frontend, product, and security teams. • Deployed and monitored services via CI/CD pipelines. Technologies • Java • Spring Boot • PostgreSQL • SQL • AWS • Elasticsearch • Jenkins • Git • GitLab • Maven • Sensedia API Gateway • Hexagonal Architecture • Distributed Systems • Integration Testing • CI/CD • Agile/Scrum

Achievements • Reduced manual support reliance measured by facilitating access for ~500 employees using developed serverless APIs. • Standardized access measured by reduced onboarding time by 30% using Cognito for authentication. • Constructed scalable data architectures measured by a 40% enhancement in query performance using DynamoDB. • Facilitated a 30% reduction in support tasks measured by hours saved using an AI-driven chat for employee and sales inquiries. Context Contributed to the digital transformation of a financial cooperative by building serverless backends that enabled AI-driven support. Technologies • Python • AWS Lambda • Cognito • DynamoDB • Serverless Architecture • REST APIs • API Gateway • Terraform • Agile/Scrum Activities • Developed backend APIs in Python integrated with AWS services. • Participated in agile ceremonies (planning, refinement, daily). • Collaborated with AI and frontend teams to align backend flows. • Deployed and managed infrastructure with AWS and Terraform.

Achievements • Supported critical operations measured by servicing millions of customers using a legacy Java/JSP monolithic platform. • Reduced manual negotiation processes by 50% through the introduction of a debt renegotiation feature in the mobile banking app. • Facilitated a 25% improvement in maintainability measured by reduced regression issues using cross-functional team efforts. Context Worked on backend systems for one of Brazil’s largest banks, focusing on sustaining and modernizing legacy platforms while delivering new features to millions of mobile banking users. Technologies • Java 7 • JSP • Monolithic Architecture • Agile/Scrum Activities • Developed backend functionality in Java. • Maintained legacy systems and assisted in migration efforts. • Supported integrations with partners and suppliers. • Attended alignment meetings with analysts and project managers. • Worked with infrastructure and security teams. • Assisted in homologation and production deployment. • Produced technical documentation.

Achievements • Modernized user interfaces measured by 30% reduction in maintenance effort using React.js and Redux. • Distributed thousands of notifications each month measured by automating manual processes using Mailgun and RabbitMQ leveraging AWS S3. • Maintained a Grails/GSP system measured by uninterrupted digital sales using modernization techniques. Context Worked at a digital transformation company enabling B2B and B2C merchants to establish an online presence, modernize legacy systems, and adopt scalable, event-driven architectures. Technologies • Groovy (Grails/GSP) • Java • React.js • Redux • jQuery • RabbitMQ • Mailgun • AWS S3 • Kong API Gateway • Terraform • Prometheus • Grafana • Microservices • Event-driven Architecture • Git/GitHub • Agile/Scrum Activities • Maintained and extended legacy Grails/GSP and Java systems for digital commerce. • Built and modernized frontend applications with React.js, Redux, and jQuery. • Designed and managed email APIs with Mailgun, integrating RabbitMQ for delivery and AWS S3 for template and asset storage. • Provisioned infrastructure components with Terraform and managed APIs via Kong Gateway. • Monitored application performance and availability with Prometheus and Grafana. • Participated in agile ceremonies, peer reviews, and collaborated via GitHub.

Achievements • Improved usability ratings by 25% measured by employee feedback using a React.js payment portal connected to Spring Boot APIs. • Increased efficiency in equipment loans by 40% by creating a full-stack system with React Native and Spring Boot for enhanced tracking. • Designed a Vue.js configuration dashboard measured by 30% configuration time reduction using centralized project setup. Context Contributed to the development of internal tools and client-facing applications, gaining hands-on experience with modern frontend frameworks and backend systems. Technologies • Java • Spring Framework • React.js • Vue.js • React Native • MySQL • Agile/Scrum Activities • Built backend APIs with Java and Spring Boot. • Implemented frontend applications using React.js, Vue.js, and React Native. • Designed database models and queries with MySQL. • Automated email notifications using Java Mail Sender. • Participated in agile ceremonies and collaborated in a team environment.