Diego R.
Senior Software Engineer
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Diego A. is a seasoned Senior Software Engineer with over 10 years of experience specializing in designing scalable backend systems and cloud-native microservices for industries including fintech, healthcare, insurance, and e-commerce. Skilled in Java (8–21), Spring Boot, and event-driven architectures, Diego has successfully deployed distributed systems on AWS and Azure. At EPAM Systems, he contributed to improving API latency by 30-40% in high-availability banking applications, utilizing Spring Boot and WebFlux for enhanced performance. Diego's work at Equality Health involved developing GraphQL and REST APIs, leveraging AI-assisted tools to ensure efficient data handling and secure compliance with HIPAA regulations. His contributions to the global e-commerce platform for Mercedes-Benz optimized search latency and enhanced transactional throughput. He consistently enhances system scalability and performance, evidenced by his implementations at companies such as Gorilla Logic and Endava, where he led backend development and mentored junior developers. Diego holds a Bachelor's degree in Software Engineering from UPTC, Colombia, and has earned multiple certifications, including PMP and Scrum Master credentials.
Experience
Senior Software Engineer
EPAM Systems · 2021 — PresentDesigned and developed scalable microservices utilizing Spring Boot and Java 21 for high-availability banking applications at Bancolombia. Implemented Event-Driven Architecture with RabbitMQ, enhancing system decoupling and scalability. Enhanced API performance by 30-40% through reactive programming with WebFlux and optimized database access patterns. Contributed to the migration from monolithic to distributed microservices, which improved system scalability. Increased deployment frequency by approximately 40% using automated CI/CD pipelines in Azure DevOps. Reduced production issues by around 30% through enhanced automated testing and integration of quality gates with SonarQube.Senior Software Engineer
EPAM Systems · 2021 — PresentAt Equality Health, developed backend microservices with GraphQL/Rest APIs using Java 17 and 21, Spring Boot, and PostgreSQL, while integrating with a React.js frontend. Designed GraphQL schemas and resolvers to enhance data retrieval efficiency. Utilized AI-assisted tools to streamline test creation and data analysis within healthcare services. Ensured compliance with HIPAA for secure data handling.Senior Software Engineer
EPAM Systems · 2021 — PresentFor Mercedes-Benz, created and implemented features on a global e-commerce platform that involved technologies such as SAP Hybris, Java 8, and Node.js. Managed over 10,000 daily transactions and optimized search latency, achieving significant reductions in product query times.Senior Developer
Gorilla Logic · 2021 — 2021Architected and deployed customer experience microservices with Java 11, Gradle, and Spring Boot at Gorilla Logic. Enhanced CI/CD pipeline processes, reducing release cycles from two weeks to five days. Provided mentorship to junior developers on microservice design and conducted technical reviews to ensure code quality.Senior Developer
Endava · 2019 — 2021Led backend development for critical insurance systems using C# (.NET Framework/Core) and Azure. Designed distributed microservices with a hexagonal architecture and established event-driven systems for asynchronous communication. Implemented automated monitoring with the ELK stack, contributing to reduced system downtime.Senior Developer
IAM Studio · 2018 — 2019Developed a full-stack real estate platform utilizing React.js, Node.js, and Python 3.x/Flask. Enabled a serverless architecture through AWS services, achieving high uptime and improved user authentication flows by simplifying the process significantly.Developer
Heinsohn · 2017 — 2018Created a full-stack web administration platform for Tibco using Angular and Java 8 technologies. Improved backend query times significantly and enhanced security with OAuth2.Developer
Grainger · 2015 — 2017Maintained and developed ERP modules with AngularJS and ASP.NET MVC, employing various technologies for data persistence and query optimization. Streamlined legacy components into reusable modules and implemented unit testing to automate manual processes.Project Engineer
Indra · 2014 — 2015Oversaw full-stack development of the Customs Laboratory system for Colombian DIAN. Architected backend services using Java EE and ensured high reliability and performance with enterprise-grade solutions.Developer
HITSS Colombia · 2012 — 2014Implemented backend services for a telecom provisioning system utilizing .NET/C# and SOA. Designed both REST and SOAP APIs, optimizing service provisioning times and mentoring the team on API design.
Skills & Expertise
Education
- Bachelor's in Software EngineeringUPTC · — — 2007