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Hi, I'm Ronan Doyle. I’m a Senior Software Engineer with 11+ years of experience building scalable backend systems and APIs. I specialize in Node.js, Python, NestJS, React.js, Next.js, and PostgreSQL, with hands-on experience in AI integration, health-tech, and startups. I enjoy solving complex problems and delivering high-performance, secure, and maintainable backend services. I am passionate about building products that empower users, especially seniors and their families to stay organized and in control. I’m eager to contribute to an innovative AI-powered startup and help create meaningful, user-focused solutions.…Hi, I'm Ronan Doyle. I’m a Senior Software Engineer with 11+ years of experience building scalable backend systems and APIs. I specialize in Node.js, Python, NestJS, React.js, Next.js, and PostgreSQL, with hands-on experience in AI integration, health-tech, and startups. I enjoy solving complex problems and delivering high-performance, secure, and maintainable backend services. I am passionate about building products that empower users, especially seniors and their families to stay organized and in control. I’m eager to contribute to an innovative AI-powered startup and help create meaningful, user-focused solutions.

Ronan Doyle

Full Stack Developer, Back-End Developer, Web Developer, +1

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Hi, I'm Ronan Doyle. I’m a Senior Software Engineer with 11+ years of experience building scalable backend systems and APIs. I specialize in Node.js, Python, NestJS, React.js, Next.js, and PostgreSQL, with hands-on experience in AI integration, health-tech, and startups. I enjoy solving complex problems and delivering high-performance, secure, and maintainable backend services. I am passionate about building products that empower users, especially seniors and their families to stay organized and in control. I’m eager to contribute to an innovative AI-powered startup and help create meaningful, user-focused solutions.…Hi, I'm Ronan Doyle. I’m a Senior Software Engineer with 11+ years of experience building scalable backend systems and APIs. I specialize in Node.js, Python, NestJS, React.js, Next.js, and PostgreSQL, with hands-on experience in AI integration, health-tech, and startups. I enjoy solving complex problems and delivering high-performance, secure, and maintainable backend services. I am passionate about building products that empower users, especially seniors and their families to stay organized and in control. I’m eager to contribute to an innovative AI-powered startup and help create meaningful, user-focused solutions.

Available to hire

Hi, I’m Ronan Doyle. I’m a Senior Software Engineer with 11+ years of experience building scalable backend systems and APIs. I specialize in Node.js, Python, NestJS, React.js, Next.js, and PostgreSQL, with hands-on experience in AI integration, health-tech, and startups. I enjoy solving complex problems and delivering high-performance, secure, and maintainable backend services.

I am passionate about building products that empower users, especially seniors and their families to stay organized and in control. I’m eager to contribute to an innovative AI-powered startup and help create meaningful, user-focused solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at Bank of Hope

March 1, 2023 - Present

Designed and developed scalable backend services using Node.js and TypeScript, integrated with PostgreSQL and GraphQL to optimize data modeling and queries. Developed services using Python (FastAPI) and C# for tools, handling business logic and API design for Fintech applications. Built and optimized RESTful APIs and WebSocket-based real-time communication for seamless user interactions. Integrated STT functionality for real-time voice-to-text conversion to enhance user experience. Collaborated with frontend teams to deliver high-quality, responsive UIs using React. Applied Redis caching to reduce latency and accelerate API response times by 35%. Participated in DevOps engineering to implement CI/CD pipelines using GitLab CI and Docker, improving deployment efficiency and reducing release cycles by 20%.

FullStack Engineer at Neko Health

August 1, 2018 - February 1, 2023

Designed and developed mobile apps and services using Node.js, React Native and Expo, integrated with PostgreSQL and GraphQL to optimize data modeling and queries. Developed end-to-end solutions for a SaaS health-tech platform using React.js, FastAPI, and PostgreSQL, delivering significant improvements in data throughput and system responsiveness. Worked on iGaming solutions, focusing on real-time performance optimizations, and developed mobile applications using React Native for Android/iOS. Contributed to AI-powered features, such as personalized content recommendations, using ML algorithms. Automated deployments with Kubernetes and CI/CD pipelines, increasing delivery speed by 50%. Ensured WCAG accessibility and improved site usability for diverse users.

Software Developer at Zartis

September 1, 2013 - July 1, 2018

Built solutions in Node.js and Vue.js, designed and optimized RESTful APIs for data-intensive AI-powered systems. Built and optimized RESTful APIs and WebSocket-based real-time communication for seamless user interactions. Integrated AI tools to generate and test prompts, improving backend functionality and performance. Collaborated closely with frontend teams to deliver high-quality, responsive interfaces using React. Worked in Unix-based environments and startup setting, delivering rapid feature iterations to meet market demands.