Mark J.
Senior Software Engineer
Open to offersNew to PlatformAbout
Mark Jeffrey M. L. is a proficient Senior Software Engineer with over ten years of experience in designing and enhancing enterprise-grade backend systems and microservices for the healthcare, finance, logistics, and e-commerce sectors. With an expertise in Java, particularly through versions 8 to 21, and the Spring Boot ecosystem, Mark has a robust track record in cloud-native architectures using AWS and Pivotal Cloud Foundry. His skill set includes event-driven systems utilizing Kafka and RabbitMQ, as well as building and maintaining CI/CD pipelines with Jenkins. His career highlights include leading data model design and API implementations in healthcare applications, developing REST APIs for e-commerce platforms at Carlsberg, and modernizing legacy systems into scalable microservices at Manulife. Furthermore, Mark has extensive experience with blockchain technologies, having developed smart contracts on the Ethereum platform using Solidity and Truffle. He holds a Bachelor of Science in Information Technology from De La Salle University – Dasmariñas.
Experience
Senior Software Engineer
Inspyr Solutions · 2023 — 2026Led data model design and API implementation for a healthcare application managing utility services across hospitals in the United States. Maintained and enhanced healthcare applications tracking personnel activity and operational utilities, ensuring high availability for clinical users. Designed a proof-of-concept integration with a third-party SaaS form-building platform, facilitating dynamic form delivery. Authored unit tests on Spring Boot 3 services operating on Java 17 and 21, improving coverage and minimizing regression defects in production releases.Senior Software Engineer
RenRen Giantly Philippines · 2022 — 2023Maintained and improved web and mobile applications for Trucker Path, a platform connecting truckers with freight clients. Designed CRM integration with existing Java 8 and Spring Boot microservices to streamline customer-facing workflows. Built and deployed microservices using Jenkins pipelines while monitoring production workloads orchestrated on Kubernetes.Senior Software Engineer
Carlsberg · 2021 — 2022Developed REST APIs for Carlsberg's e-commerce platform to support B2B ordering across various regional markets. Implemented and managed microservices utilizing Java 11 and Spring Boot, adhering to domain-driven design and clean architecture principles. Controlled Jenkins-based build and deployment pipelines, and monitored services on AWS for reliability and performance.Mid Backend Software Engineer
Manulife · 2019 — 2021Integrated payment gateway services with third-party vendors to facilitate secure transaction flows for insurance and financial products. Migrated legacy systems to modern Spring Boot microservices hosted on Pivotal Cloud Foundry to enhance scalability and deployment efficiency. Architected asynchronous messaging with RabbitMQ on Spring Boot microservices, optimizing configuration for increased throughput and reduced latency. Implemented CI/CD pipelines using Jenkins and Concourse, decreasing manual deployment efforts. Established a Business Continuity Plan (BCP) and disaster-recovery setup for critical microservices.Full-Stack Software Engineer (Freelance)
Skipjack Corporation · 2019 — 2019Developed an ERC-20 token smart contract and a crowdsale contract featuring timed, pausable, capped, and whitelisted sale phases. Utilized OpenZeppelin libraries to adhere to industry security standards and performed unit testing on smart contracts using Truffle. Created serverless APIs and DynamoDB-backed microservices, integrating with smart contracts through Web3.js.Cloud Engineer (Freelance)
Pseudocode · 2018 — 2019Provisioned MongoDB clusters on AWS EC2, configuring NGINX reverse proxies, IAM roles, API Gateway, Cognito, and Elastic Beanstalk hosting for client microservices.Software Engineer
CHAMP Cargosystems · 2016 — 2019Maintained and extended applications supporting air-freight cargo operations for major airlines, including Cathay Pacific and Japan Airlines. Developed microservices to modernize legacy systems, enabling the exposure of contemporary APIs.Associate Application Consultant
NCS · 2014 — 2016Constructed an internal Asset Inventory Management System using .NET. Provided maintenance for applications and supported database and server operations for Globe Telecom's production and testing environments.Intern – Web Developer
HTECH Corporation · 2013 — 2014Maintained an E-Book and E-Publishing web application, contributing PHP and JavaScript fixes and enhancements.
Skills & Expertise
Education
- Bachelor of Science in Information TechnologyDe La Salle University – Dasmariñas Cavite, Philippines · 2010 — 2014
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