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Hi, I am Poovarasan Sandhanam. I am a Senior Mobile Software Engineer focused on React Native and full-stack development. I have built production-grade apps across fintech, healthcare, fitness, and on-demand platforms. I excel at designing scalable architectures, optimizing performance, and delivering robust CI/CD pipelines that keep releases smooth. I enjoy mentoring teammates and creating delightful user experiences.…Hi, I am Poovarasan Sandhanam. I am a Senior Mobile Software Engineer focused on React Native and full-stack development. I have built production-grade apps across fintech, healthcare, fitness, and on-demand platforms. I excel at designing scalable architectures, optimizing performance, and delivering robust CI/CD pipelines that keep releases smooth. I enjoy mentoring teammates and creating delightful user experiences.

Poovarasan Sandhanam

Full Stack Developer, App Developer, Developer, +4

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Hi, I am Poovarasan Sandhanam. I am a Senior Mobile Software Engineer focused on React Native and full-stack development. I have built production-grade apps across fintech, healthcare, fitness, and on-demand platforms. I excel at designing scalable architectures, optimizing performance, and delivering robust CI/CD pipelines that keep releases smooth. I enjoy mentoring teammates and creating delightful user experiences.…Hi, I am Poovarasan Sandhanam. I am a Senior Mobile Software Engineer focused on React Native and full-stack development. I have built production-grade apps across fintech, healthcare, fitness, and on-demand platforms. I excel at designing scalable architectures, optimizing performance, and delivering robust CI/CD pipelines that keep releases smooth. I enjoy mentoring teammates and creating delightful user experiences.

Available to hire

Hi, I am Poovarasan Sandhanam. I am a Senior Mobile Software Engineer focused on React Native and full-stack development. I have built production-grade apps across fintech, healthcare, fitness, and on-demand platforms.

I excel at designing scalable architectures, optimizing performance, and delivering robust CI/CD pipelines that keep releases smooth. I enjoy mentoring teammates and creating delightful user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Mobile Developer at MBF Digital Agency

January 1, 2024 - July 16, 2025

Developed React Native mobile apps using TypeScript and Firebase. Integrated CodePush for OTA updates; handled App Store and Play Store deployments. Implemented AWS Amplify and S3 for backend services and media file storage. Improved app performance by 25% using FlatList optimization and lazy loading. Set up CI/CD pipelines using GitHub Actions. Worked in Agile teams to deliver features with consistent sprint velocity.

Mobile App Associate Developer at Siam Computing

January 1, 2023 - July 16, 2025

Built cross-platform apps with Firebase Auth, Firestore, and custom UI components. Created RESTful APIs using Node.js and Express.js. Wrote unit tests with Jest; contributed to CI pipelines and Agile ceremonies.

Senior React Native Developer (Full Stack) at Freelance

January 1, 2023 - Present

Architected and delivered scalable, modular cross-platform mobile applications using React Native and TypeScript. Led end-to-end development including frontend, backend services, cloud infrastructure, and integrations. In fintech domain (Chola Consumer Loan), designed and implemented end-to-end digital lending workflows including KYC, eligibility checks, and EMI calculation. Built secure authentication systems (OTP-based login, session handling, secure storage) and integrated REST APIs for loan processing, customer data and third-party verification services. Optimised performance and reduced application load time by 35%. Implemented secure native module bridges and integrated Razorpay and Firebase. Established GitHub Actions-based CI/CD pipelines, automated testing, and monitoring tools, and mentored junior developers.

React Native Developer at MBF Digital Agency

January 1, 2022 - January 1, 2023

Delivered high-performance mobile applications with focus on scalability and maintainability. Built reusable components and optimised state management with Redux, Redux Toolkit, and Zustand. Integrated APIs, authentication, push notifications, and analytics. Collaborated with cross-functional teams in Agile environments. Supported GitHub Actions-based CI/CD workflows and testing strategies.

React Native Developer at Siam Computing

January 1, 2021 - January 1, 2022

Developed cross-platform applications following clean architecture principles. Built responsive UI components and reusable modules. Integrated APIs, authentication, pagination, and error handling. Improved application performance and stability through debugging. Participated in Agile delivery and code reviews.