Hi, I'm Ricky Jay Erese, a Senior Software Engineer with over 9 years of experience building both backend and frontend systems. I'm passionate about working with cutting-edge technologies like Java Spring Boot, Laravel, Node.js, React, and Angular, and I enjoy designing scalable microservices and secure cloud deployments across Azure and AWS. I love solving complex problems and continuously improving system architectures using event-driven design and CI/CD automation. I also have a knack for enhancing user experiences with responsive frontends and real-time features. When I'm not coding, I enjoy learning more about the evolving tech landscape and sharing insights with peers.

Ricky Jay Erese

Hi, I'm Ricky Jay Erese, a Senior Software Engineer with over 9 years of experience building both backend and frontend systems. I'm passionate about working with cutting-edge technologies like Java Spring Boot, Laravel, Node.js, React, and Angular, and I enjoy designing scalable microservices and secure cloud deployments across Azure and AWS. I love solving complex problems and continuously improving system architectures using event-driven design and CI/CD automation. I also have a knack for enhancing user experiences with responsive frontends and real-time features. When I'm not coding, I enjoy learning more about the evolving tech landscape and sharing insights with peers.

Available to hire

Hi, I’m Ricky Jay Erese, a Senior Software Engineer with over 9 years of experience building both backend and frontend systems. I’m passionate about working with cutting-edge technologies like Java Spring Boot, Laravel, Node.js, React, and Angular, and I enjoy designing scalable microservices and secure cloud deployments across Azure and AWS.

I love solving complex problems and continuously improving system architectures using event-driven design and CI/CD automation. I also have a knack for enhancing user experiences with responsive frontends and real-time features. When I’m not coding, I enjoy learning more about the evolving tech landscape and sharing insights with peers.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Work Experience

Senior Software Engineer at MPAC Healthcare
June 30, 2025 - July 19, 2025
Modernized legacy J2EE modules to Spring Boot 3 microservices, designed RESTful APIs with OpenAPI, and integrated Oracle 19c using Spring Data JPA. Deployed containerized services to Azure Kubernetes Service with Helm and Terraform. Built secure Angular frontend modules with Azure AD OAuth2, enforcing role-based access control and securing sessions. Replaced RabbitMQ with Kafka for event-driven pipelines, implemented resilient consumers with retry and dead letter queue handling. Executed Oracle-to-Azure SQL Database migration with less than 0.01% data loss. Developed automated integration test suites using Testcontainers, Maven, and Jenkins, maintaining over 90% coverage. Engineered a Next.js/React patient booking portal with server-side rendering and sub-2-second load times. Built Node.js/Express RESTful APIs backed by Azure Cosmos DB with robust validation and Swagger documentation. Implemented real-time doctor-patient chat using Socket.io with JWT authentication and MongoDB persiste
Full Stack Developer at Emergemarket
November 30, 2020 - July 19, 2025
Implemented advanced full-text product search using PostgreSQL with Laravel Scout and Redis caching. Developed Vue/Nuxt search interface with real-time ranked results under 300ms. Integrated Stripe payments with secure webhook validation and retry handling using Laravel Queues. Built reactive Nuxt.js components to reduce checkout abandonment by 30%. Designed Role-Based Access Control using Laravel Gates and Policies with Vue route guards, achieving seamless UX and eliminating privilege risks. Optimized product listing performance via multi-tier caching and server-side rendering optimizations to reduce load times by over 50%. Developed real-time order status tracking using Node.js with socket.io and MongoDB change streams providing live updates under 500ms. Built collaborative filtering recommendation engine with Node.js and MongoDB, increasing cross-sell click-through rates by 5%. Implemented scalable JWT authentication using Laravel Sanctum and AWS KMS with token blacklisting. Enginee
Full Stack Developer at YouTrip
November 30, 2017 - July 19, 2025
Implemented secure multi-step transaction approval workflows with OTP verification using Angular and Java Spring Boot integrated with AWS SNS and SES. Developed batch upload service to migrate audit logs to AWS S3 with encryption and IAM controls, reducing on-premise storage. Integrated fraud detection scoring service into payments flow with Spring Boot and AWS SQS for asynchronous processing. Replaced legacy JSP reports with responsive Angular 4 dashboards backed by secure Spring REST APIs and Chart.js visualizations. Refactored Java DAO layers to support AWS RDS read replicas, improving scalability. Added CSRF protection via Angular HTTP interceptors and Spring Security. Built Angular 4 admin reconciliation tool with Spring Boot backend supporting dispute resolution workflows.
Senior Software Engineer at MPAC Healthcare
June 30, 2025 - July 19, 2025
Modernized legacy J2EE modules to Spring Boot 3 microservices with RESTful APIs, integrated Oracle 19c via Spring Data JPA, and deployed containerized services to Azure Kubernetes Service using Helm and Terraform. Developed secure Angular frontend modules with Azure AD OAuth2 and role-based access control. Transitioned RabbitMQ to Kafka event-driven pipelines, implemented Oracle to Azure SQL Database migration with minimal data loss, and built automated Java integration tests to maintain high CI/CD standards. Engineered a patient booking portal using Next.js/React with server-side rendering and optimized a Node.js backend with real-time doctor-patient chat features, all containerized and deployed on Azure with automated pipelines.
Full Stack Developer at Emergemarket
November 30, 2020 - July 19, 2025
Implemented advanced full-text product search with PostgreSQL and Laravel Scout, created a Vue/Nuxt search-as-you-type UI, and integrated Stripe payments with secure webhook validations. Designed and enforced Role-Based Access Control with Laravel Gates and Policies, optimized performance with multi-tier caching, and built real-time order tracking using Node.js and socket.io. Developed a collaborative filtering recommendation engine and implemented secure JWT authentication with AWS KMS key rotation. Built cross-system data synchronization pipelines, and designed an event-driven architecture using AWS services for inventory workflows during flash sales.
Full Stack Developer at YouTrip
November 30, 2017 - July 19, 2025
Built secure multi-step transaction approval with OTP verification integrating AWS SNS/SES, developed batch upload services for audit logs migration to AWS S3 with encryption, and integrated real-time fraud detection using Spring Boot and AWS SQS. Modernized reporting dashboards using Angular 4 and Spring REST APIs, optimized database scalability with AWS RDS read replicas, enhanced security with CSRF protection, and created admin reconciliation tools supporting dispute workflows.

Education

Bachelor of Science in Computer Science at Singapore Management University (SMU)
August 1, 2011 - May 31, 2015
Bachelor of Science at Singapore Management University (SMU)
August 1, 2011 - May 31, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Financial Services, Retail