Ana Paula Chaves # Sr. Backend Engineer Location BrazilDesired Salary 25 - USD/hourlyWork preference Full Time, Contract, Part TimeLinks Status Actively looking Field / Industry Software Engineering * SharePreferences:Relocation: NoNotice Period: ImmediateSkill Assessments:This user has not passed any tests yet Languages: English - Portuguese - Report [Overview](#overview) ## About Me I'm a Senior Backend Engineer with 6+ years of experience building scalable, cloud-native systems for global companies (US, Europe, Brazil). Specialized in .NET Core (C#), AWS, and Kubernetes, with a strong record in modernizing legacy systems, implementing event-driven architectures (Kafka, AWS Lambda), and leading DevOps practices using Terraform, GitHub Actions, and Azure DevOps. Skilled in backend system design, CI/CD, and infrastructure automation. Passionate about clean code, performance, and solving complex backend challenges with clarity. Open to Remote Global Opportunities. ## Skills ### [SQL](https://jobicy.com/talent/sql.md)[AWS](https://jobicy.com/talent/aws.md)[JavaScript](https://jobicy.com/talent/javascript.md)[Kubernetes](https://jobicy.com/talent/kubernetes.md)[Docker](https://jobicy.com/talent/docker.md)[Azure](https://jobicy.com/talent/azure.md)[CI CD](https://jobicy.com/talent/ci-cd.md)[Terraform](https://jobicy.com/talent/terraform.md)[Automation](https://jobicy.com/talent/automation.md)[DevOps](https://jobicy.com/talent/devops.md)[MySQL](https://jobicy.com/talent/mysql.md)[Microservices](https://jobicy.com/talent/microservices.md)[MongoDB](https://jobicy.com/talent/mongodb.md)[Testing](https://jobicy.com/talent/testing.md)[Angular](https://jobicy.com/talent/angular.md)[SQL Server](https://jobicy.com/talent/sql-server.md)[HTML5](https://jobicy.com/talent/html5.md)[Postman](https://jobicy.com/talent/postman.md)[CSS3](https://jobicy.com/talent/css3.md)[AngularJS](https://jobicy.com/talent/angularjs.md) ## Education IFMS (Federal Institution of Mato Grosso do Sul) 30/11/2021 Internet System Technology College with emphasis on web programming SENAC 30/11/2020 Technical Course in IT with emphasis on programming - ## Experience Sr. Backend .NET Developer @ Itaú Unibank Aug 2024 - Present As a senior backend developer in the investment division, I build tools that optimize the productivity of investment specialists by enhancing their CRM platform—where all investment orders are processed and tracked. One key initiative I contributed to involved automatically updating the status of investment orders based on money drawdown events, ensuring real-time consistency and accuracy in the order lifecycle. Key Responsibilities & Achievements: ● AI-Driven Feature Writing Agent: Led the development of an internal AI assistant powered by OpenAI to automate feature specification writing (context, business needs, BDD, test scenarios, DoD/DoR), accelerating delivery by ~30% and standardizing documentation across teams. ● Event-Driven Architecture: Designed and deployed serverless microservices using AWS Lambda and SNS/Kafka to trigger investment order updates based on money drawdown events — ensuring near real-time status updates with higher consistency. ● API Development: Built and maintained high-performance REST APIs with .NET Core and MySQL (AWS Aurora), supporting critical operations for investment order flows. ● API Gateway & Security: Implemented secure, scalable routing via AWS API Gateway, enabling controlled service-to-service communication. ● Infrastructure as Code (IaC): Managed cloud infrastructure with Terraform, achieving consistent multi-environment deployments and simplifying onboarding. ● CI/CD & Testing: Created and maintained automated pipelines in GitHub Actions, with XUnit and SpecFlow tests covering key business scenarios and integration points — improving deployment confidence and reducing regression issues. ● Cloud-Native Mindset: Focused on clean, scalable, and observable backend solutions, aligned with cloud-native and DevSecOps best practices. Sr. .NET Engineer | Contract Engineer @ FC Europe LDA Oct 2023 - July 2024 Worked on the development and maintenance of a CRM platform for AIHR, an international provider of online HR courses. My role involved enhancing backend and frontend systems to support business scalability, stability, and security. Key Responsibilities & Achievements: ● Legacy System Maintenance: Provided support and implemented enhancements across systems built with .NET Framework and .NET Core, ensuring continued reliability and performance. ● Global Error Handling: Integrated Problem Details middleware into legacy APIs and implemented HTTP interceptors in Angular to standardize client-side error management. ● Frontend Security Enhancements: Developed a custom session storage service in Angular 14 to replace all browser storage mechanisms, increasing client-side security. ● Behavior-Driven Testing: Set up a complete integration testing solution using SpecFlow with testing containers, enabling robust BDD-style validation of business flows. ● Cloud Deployment: Leveraged AWS Cloud services to support scalable deployment pipelines and hosting environments. Software Engineer @ ZIPDEV Sep 2022 - Oct 2023 Worked on both backend development and DevOps initiatives for PureCars, a U.S.-based company in the automotive advertising sector. Supported legacy systems while leading cloud-native infrastructure automation and CI/CD pipeline enhancements. Key Responsibilities & Achievements: ● CI/CD Automation: Created and maintained YAML pipeline templates with deployment stages and approval gates using Azure DevOps, improving deployment security and consistency. ● Kubernetes Deployments: Authored Helm charts and Kubernetes manifests to deploy services in cluster environments, increasing scalability and reliability. ● Test Automation: Automated backend and frontend unit tests in CI pipelines using XUnit and Jest-JUnit, with reporting integrated into Azure Pipelines. ● Legacy System Support: Maintained and enhanced existing systems developed in both .NET Framework and .NET Core. ● Feature Development: Contributed to the "Driver Project" by implementing new backend features using .NET 7. ● Cloud Infrastructure: Leveraged Azure Cloud services for hosting, scalability, and automation. Sr. Software Engineer @ BRQ Solutions Apr 2022 - Oct 2022 Contributed to the development and maintenance of the Dealer Invoice Portal (DIP), a LATAM-wide solution for managing dealer invoices. Focused on backend development, CI/CD automation, and container orchestration using modern cloud and DevOps practices. Key Responsibilities & Achievements: ● Backend Development: Developed and maintained RESTful APIs using .NET Core 6, applying a Test-Driven Development (TDD) approach to ensure code quality and coverage. ● Event-Driven Architecture: Configured Azure Service Bus for reliable communication with external systems and services. ● CI/CD Automation: Maintained and optimized Azure Pipelines for automated testing and deployment workflows targeting Openshift 4.9 clusters. ● Containerization: Built and maintained Docker images to streamline deployment processes and ensure environment consistency. ● Openshift Deployment: Created and configured new services using DeploymentConfigs within Openshift for scalable and isolated microservices. Software Engineer @ XP Inc. Mar 2021 - Apr 2022 Worked on the backend development of a new CRM platform (Zendesk integration) within the customer service division, in close collaboration with the architecture team and following the Kanban methodology. Key Responsibilities & Achievements: ● Backend API Development: Built microservices and RESTful/GRPC APIs using .NET Core (C#) to support Zendesk integration and internal CRM systems. ● Automated Testing: Wrote unit tests using XUnit, integration tests using Postman, and implemented BDD scenarios using SpecFlow to ensure functional coverage and system reliability. ● Code Quality & CI/CD: Configured SonarQube in Azure Pipelines to maintain high code quality standards across the team’s CI/CD processes. ● API Gateway Management: Created and maintained secure API routes via Azure API Management, enabling scalable and controlled access to backend services. ● Collaboration & Process: Actively participated in sprint ceremonies and collaborated with the architecture team to refine system design and technical decisions. Fullstack Software Engineer @ Miltec – Superintendency of Information Management (SGI) State Government of Mato Grosso do Sul Feb 2019 - Mar 2021 Participated in the development and maintenance of an educational management platform used statewide to oversee students, teachers, and institutional services across the public education network of Mato Grosso do Sul, Brazil.