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I'm Ryan Delaney, a Senior Full Stack Engineer focused on architecting secure and scalable payment integration platforms, especially for regulated healthcare environments. I leverage Java, Spring Boot, and AWS to build resilient backend services that streamline operations and maintain compliance. Over my career, I’ve led full-cycle development from legacy migration to cloud-native deployments, partnering with distributed teams and adhering to HIPAA and PCI DSS requirements. I’ve delivered high-availability payment workflows, implemented secure data practices, and documented architectures to enable seamless adoption and long-term maintenance.…I'm Ryan Delaney, a Senior Full Stack Engineer focused on architecting secure and scalable payment integration platforms, especially for regulated healthcare environments. I leverage Java, Spring Boot, and AWS to build resilient backend services that streamline operations and maintain compliance. Over my career, I’ve led full-cycle development from legacy migration to cloud-native deployments, partnering with distributed teams and adhering to HIPAA and PCI DSS requirements. I’ve delivered high-availability payment workflows, implemented secure data practices, and documented architectures to enable seamless adoption and long-term maintenance.

Ryan Delaney

Full Stack Developer, Web Developer, Back-End Developer, +2

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I'm Ryan Delaney, a Senior Full Stack Engineer focused on architecting secure and scalable payment integration platforms, especially for regulated healthcare environments. I leverage Java, Spring Boot, and AWS to build resilient backend services that streamline operations and maintain compliance. Over my career, I’ve led full-cycle development from legacy migration to cloud-native deployments, partnering with distributed teams and adhering to HIPAA and PCI DSS requirements. I’ve delivered high-availability payment workflows, implemented secure data practices, and documented architectures to enable seamless adoption and long-term maintenance.…I'm Ryan Delaney, a Senior Full Stack Engineer focused on architecting secure and scalable payment integration platforms, especially for regulated healthcare environments. I leverage Java, Spring Boot, and AWS to build resilient backend services that streamline operations and maintain compliance. Over my career, I’ve led full-cycle development from legacy migration to cloud-native deployments, partnering with distributed teams and adhering to HIPAA and PCI DSS requirements. I’ve delivered high-availability payment workflows, implemented secure data practices, and documented architectures to enable seamless adoption and long-term maintenance.

Available to hire

I’m Ryan Delaney, a Senior Full Stack Engineer focused on architecting secure and scalable payment integration platforms, especially for regulated healthcare environments. I leverage Java, Spring Boot, and AWS to build resilient backend services that streamline operations and maintain compliance.

Over my career, I’ve led full-cycle development from legacy migration to cloud-native deployments, partnering with distributed teams and adhering to HIPAA and PCI DSS requirements. I’ve delivered high-availability payment workflows, implemented secure data practices, and documented architectures to enable seamless adoption and long-term maintenance.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Fluent

Work Experience

Senior Full Stack Engineer at Atlassian

September 1, 2023 - Present

Architected a secure payment integration platform for a healthcare-focused consultation project, designing the end-to-end data flow to connect a legacy system with a new payment processor while ensuring seamless migration and compliance with industry regulations. Spearheaded the full stack development using Java and Spring Boot, building robust backend APIs and integrating a React front-end for real-time payment status updates. Implemented HIPAA-aligned data encryption and access controls, ensuring all payment workflows met stringent healthcare privacy standards. Engineered scalable cloud infrastructure on AWS (EC2 for compute, S3 for storage, and Lambda for event-driven processing) to support high-availability payment operations. Migrated the legacy system with zero downtime, orchestrating data transformation and validation steps to maintain transaction integrity. Documented the integration architecture and led knowledge transfer sessions for long-term maintenance, while coordinating

Senior Software Engineer at Amazon

June 1, 2016 - April 1, 2023

Designed a high-scale distributed payment system for Amazon's e-commerce platform, architecting the service mesh to handle millions of transactions daily with reliability and performance. Built core payment services using Java and Spring Boot, integrating with external payment gateways and implementing fault-tolerant retry mechanisms. Optimized AWS resources (EC2, S3, and Lambda) for cost efficiency and auto-scaling during peak seasons. Enforced PCI DSS compliance, implemented tokenization, and conducted regular security audits. Collaborated with product, security, and operations teams to define requirements and deliver a unified, scalable solution. Resolved critical integration and post-deployment issues, establishing monitoring alerts and automated rollback procedures to maintain system stability.

Software Engineer at Emerson

June 1, 2013 - May 1, 2016

Developed industrial automation software for Emerson's control systems, creating a platform to monitor and optimize manufacturing processes for improved operational efficiency. Enhanced data integration by connecting PLCs and sensors to a central database, enabling real-time analytics and predictive maintenance alerts. Integrated reliable communication protocols to ensure consistent data flow between control devices and the software platform, reducing downtime and improving accuracy. Streamlined operational workflows by automating routine tasks and generating reports to support higher-value analysis.

Software Engineer Intern at Design Ready Controls

October 1, 2012 - April 1, 2013

Assisted in the development of control panel software for OEM customers, supporting testing and validation to ensure performance specifications and quality standards before deployment.