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I am a Senior Software Engineer and Technical Lead with over 8 years of experience in designing and delivering scalable enterprise solutions. My expertise spans healthcare, social media, and fintech sectors, where I have successfully modernized legacy systems and driven agile team performance. I am passionate about leveraging cloud platforms such as AWS, Azure, and GCP to build resilient and high-performing applications. I excel at architecting microservices, securing applications, and optimizing system performance. My proven track record includes reducing technical debt, improving reliability, and accelerating delivery timelines. I also take pride in mentoring teams, driving DevOps best practices, and delivering innovative software that aligns with business goals and user needs.…I am a Senior Software Engineer and Technical Lead with over 8 years of experience in designing and delivering scalable enterprise solutions. My expertise spans healthcare, social media, and fintech sectors, where I have successfully modernized legacy systems and driven agile team performance. I am passionate about leveraging cloud platforms such as AWS, Azure, and GCP to build resilient and high-performing applications. I excel at architecting microservices, securing applications, and optimizing system performance. My proven track record includes reducing technical debt, improving reliability, and accelerating delivery timelines. I also take pride in mentoring teams, driving DevOps best practices, and delivering innovative software that aligns with business goals and user needs.

Chris Borrero

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I am a Senior Software Engineer and Technical Lead with over 8 years of experience in designing and delivering scalable enterprise solutions. My expertise spans healthcare, social media, and fintech sectors, where I have successfully modernized legacy systems and driven agile team performance. I am passionate about leveraging cloud platforms such as AWS, Azure, and GCP to build resilient and high-performing applications. I excel at architecting microservices, securing applications, and optimizing system performance. My proven track record includes reducing technical debt, improving reliability, and accelerating delivery timelines. I also take pride in mentoring teams, driving DevOps best practices, and delivering innovative software that aligns with business goals and user needs.…I am a Senior Software Engineer and Technical Lead with over 8 years of experience in designing and delivering scalable enterprise solutions. My expertise spans healthcare, social media, and fintech sectors, where I have successfully modernized legacy systems and driven agile team performance. I am passionate about leveraging cloud platforms such as AWS, Azure, and GCP to build resilient and high-performing applications. I excel at architecting microservices, securing applications, and optimizing system performance. My proven track record includes reducing technical debt, improving reliability, and accelerating delivery timelines. I also take pride in mentoring teams, driving DevOps best practices, and delivering innovative software that aligns with business goals and user needs.

Available to hire

I am a Senior Software Engineer and Technical Lead with over 8 years of experience in designing and delivering scalable enterprise solutions. My expertise spans healthcare, social media, and fintech sectors, where I have successfully modernized legacy systems and driven agile team performance. I am passionate about leveraging cloud platforms such as AWS, Azure, and GCP to build resilient and high-performing applications.

I excel at architecting microservices, securing applications, and optimizing system performance. My proven track record includes reducing technical debt, improving reliability, and accelerating delivery timelines. I also take pride in mentoring teams, driving DevOps best practices, and delivering innovative software that aligns with business goals and user needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Javanese

Advanced

Work Experience

Senior Software Engineer at Forward

November 30, 2024 - July 8, 2025

Engineered a telemedicine-ready EMR/EHR solution utilizing Spring Boot and JPA, integrating AWS cloud services and leveraging Kubernetes for container orchestration. Enhanced database performance with PostgreSQL by implementing indexing strategies and caching mechanisms using Redis, significantly reducing query response times. Fortified web applications through Keycloak and Spring Security, ensuring robust data integrity and protection against unauthorized access. Created dynamic UI theming capabilities with Redux thunks and Docker environment variables, facilitating real-time theme customization for events and boosting user engagement. Developed AI-driven clinical decision support and automated patient triage functionalities using Python and Java, streamlining diagnostic processes and improving provider workflows. Executed unit and integration tests with JUnit and Mockito, ensuring high code quality and comprehensive test coverage. Implemented the ELK stack (Elasticsearch, Logstash, K

Software Engineer II at Twitter

December 31, 2022 - July 8, 2025

Automated approval workflows in Spring Boot and AWS Lambda, significantly decreasing manual processing time for hiring requests. Optimized API performance through effective caching strategies with Redis, leading to improved response times and scalability in multi-tenant environments. Ensured secure communication and role-based access control utilizing AWS IAM, OAuth2, and JWT for robust authentication. Architected an event-driven system with Kafka, guaranteeing reliable message processing across distributed services. Analyzed Maven dependency management to accurately annotate dependencies in Spring Boot microservices. Developed custom hooks, higher-order components (HOCs), and context APIs to efficiently manage application state, integrating React Router for smooth navigation. Maintained unit tests with Jest and conducted end-to-end testing with Cypress, ensuring high code reliability. Streamlined CI/CD pipelines with AWS CodePipeline and Docker, facilitating seamless deployments and e

Software Engineer at IBM

November 30, 2019 - July 8, 2025

Transformed legacy systems through extensive Java and XSLT development, focusing on forms management and multi-tiered integration projects. Crafted dynamic web applications using Java Servlet API and JSP, adeptly managing complex client-server interactions. Visualized data insights with D3.js, empowering data-driven decision-making through interactive solutions. Automated scheduled tasks with Spring Batch for cron jobs, optimizing data retrieval and analysis from various third-party APIs. Modernized user interfaces by replacing traditional JSF architectures with responsive React components and hooks, enhancing client-side validation processes. Enhanced observability and performance analytics using Splunk, Prometheus, and Grafana, facilitating proactive troubleshooting for healthcare applications. Streamlined CI/CD workflows using GitHub Actions and Jenkins, ensuring efficient microservices deployment with Docker and Kubernetes. Migrated file storage solutions to AWS S3, ensuring secure

Senior Software Engineer / Tech Lead at Orlando Health

June 1, 2025 - August 28, 2025

Led the engineering of a telemedicine-ready EMR/EHR platform using Spring Boot, JPA, and AWS, managing over 5,000 daily patient records. Enhanced database performance with PostgreSQL indexing and Redis caching, reducing query latency by 40%. Improved application security with Keycloak and Spring Security, preventing 99% of unauthorized access attempts. Developed dynamic UI theming with Redux and Docker, which increased patient portal engagement by 15%. Created AI-driven triage tools in Python and Java, reducing diagnostic workflows by 25%. Implemented comprehensive JUnit and Mockito testing, achieving over 90% code coverage and significantly lowering production bugs. Deployed ELK stack for monitoring, speeding incident resolution by 20%. Mentored junior developers and led Agile sprints, increasing delivery velocity by 18%. Migrated legacy Spring MVC applications to Java 17 and Spring 6.1, reducing technical debt by 30%.

Software Engineer II at Twitter

December 1, 2022 - August 28, 2025

Automated approval workflows using Spring Boot and AWS Lambda, cutting hiring request processing times by 60%. Optimized APIs with Redis caching to reduce response times by 25% and enhance scalability. Secured APIs with AWS IAM, OAuth2, and JWT, supporting over 3,000 enterprise users. Developed a Kafka-based event-driven system processing over 1 million messages daily with high reliability. Maintained extensive Jest unit and Cypress E2E tests, improving QA effectiveness by 35%. Streamlined CI/CD pipelines using AWS Code Pipeline and Docker, achieving 99.9% uptime. Collaborated closely with product managers to refine technical stories, accelerating release cycles by 20%.

Software Engineer at IBM

November 1, 2019 - August 28, 2025

Modernized a legacy forms system using Java and XSLT, reducing processing time by 40%. Developed JSP/Servlet applications and React UIs, boosting customer satisfaction by 25%. Created D3.js visualizations adopted by over 200 stakeholders for strategic decision-making. Automated over 30 jobs with Spring Batch, saving more than 20 hours per week in manual work. Migrated enterprise data storage to AWS S3, securely handling over 1TB of data. Enhanced observability using Splunk, Prometheus, and Grafana, improving mean time to recovery by 30%. Designed Oracle SQL triggers and procedures, halving manual database tasks. Deployed microservices with GitHub Actions, Jenkins, Docker, and Kubernetes, reducing release cycles from weeks to days.