Luis (Morera) C.
Senior Backend Engineer / Technical Lead
Experience
Oct 2022 - Present
3 years 1 monthSan José, Costa Rica
Senior Backend Engineer / Technical Lead
Equifax Inc
- Designed and maintained distributed microservices supporting U.S. credit operations using Java 17, Spring Boot, and PostgreSQL.
- Contributed to the migration of data from MongoDB to Google Cloud Storage and Firestore, improving performance, scalability, and long-term data availability.
- Contributed to Equifax’s largest modernization initiative by developing integrations between legacy systems and the new DataFabric platform, implementing validation pipelines and migration tooling.
- Implemented event-driven architectures using Kafka to enable asynchronous communication and improve system resilience.
- Deployed and managed containerized workloads on EKS and EC2, enhancing reliability and cost efficiency.
- Automated CI/CD with Jenkins and Docker, reducing release time by 40% and improving deployment consistency.
- enhanced observability with Grafana and Datadog dashboards, ensuring early detection of production anomalies.
Apr 2021 - Oct 2022
1 year 7 monthsSan José, Costa Rica
Senior Backend Engineer
Equifax Inc
- Modernized core services by migrating from Java 11 to 17, Spring 5 to 6, and Spring Boot 2 to 3, improving stability and compatibility across the platform.
- Delivered and maintained microservices using Spring Boot with REST APIs, handling millions of monthly transactions.
- Implemented batch notifications using AWS EventBridge and SQS, optimizing message processing pipelines.
- Introduced Kafka-based event processing for critical business workflows, enhancing asynchronous performance.
- Strengthened system security through automated vulnerability scans and secure coding standards with SonarQube and Fortify.
- Documented APIs with Swagger and streamlined deployments using Docker and Jenkins pipelines.
Oct 2019 - Apr 2021
1 year 7 monthsSan José, Costa Rica
Senior Backend Developer
Snap Finance
- Built and deployed AWS Lambda functions in Java and Python, integrated with API Gateway and S3 for real-time event processing.
- Integrated internal systems with payment gateways, enabling secure and automated payment workflows.
- Developed a WebSocket solution in Java for real-time updates and synchronization across distributed services.
- Worked with React and GraphQL to extend internal dashboards and improve client-facing performance.
- Improved data-heavy operations with multithreaded job execution using ExecutorService, reducing processing time by 35%.
Jul 2019 - Oct 2019
4 monthsSan José, Costa Rica
Senior Java Developer
CloudPay
- Delivered Java-based payroll features integrated with MySQL and Kendo UI, improving system responsiveness.
- Investigated and resolved production incidents to maintain SLA uptime and optimize database performance.
Jul 2015 - Jul 2019
4 years 1 monthSan José, Costa Rica
System Support & Development Engineer
Snap Finance
- Migrated a monolithic system into modular microservices, increasing maintainability and deployment flexibility.
- Designed distributed transaction workflows with RabbitMQ and PostgreSQL, supporting thousands of concurrent financial operations.
- Automated reporting pipelines using AWS Lambda and S3, reducing manual work and error rates.
- Implemented scalable backend logic and stored procedures to support business analytics and performance reporting.
Dec 2013 - Jul 2015
1 year 8 monthsSan José, Costa Rica
Frontend Developer / Project Analyst
Software Solutions S.A.
- Gathered business requirements, prototyped applications, and delivered web solutions using PHP, HTML5, CSS3, and JavaScript.
- Enhanced usability and system performance for multiple client-facing web platforms.
Summary
Senior Software Engineer with 10+ years of experience building and scaling distributed systems using Java, Spring Boot, and cloud platforms (AWS & GCP).
Specialized in designing high-availability microservices and event-driven architectures that support financial systems processing millions of transactions.
Deep experience in cloud migrations, performance optimization, and data validation.
Passionate about clean architecture, automation, and developing cloud-native solutions that are secure, efficient, and resilient.
Languages
Spanish
NativeEnglish
AdvancedEducation
Oct 2024 - Jun 2025
ULEAD University
Master’s in Data Science & Big Data · Data Science & Big Data
Oct 2011 - Jun 2021
Tecnológico de Costa Rica
B.Sc. in Computer Engineering · Computer Engineering · Costa Rica
Universidad de Costa Rica
Technical Degree in Business Administration · Business Administration
Certifications & licenses
AWS Certified Cloud Practitioner
Amazon Web Services
Oracle Certified Associate, Java SE 8 Programmer
Oracle
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