Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Senior Fullstack Engineer with 15 years of experience building secure, high-performance cross-platform mobile systems (React Native/TypeScript) and scalable backend services (NodeJS/Python). I design end-to-end software lifecycles, REST APIs, and database layers for fintech, healthcare, and consumer use cases. I specialize in custom native modules, cloud infrastructure, and using AI-assisted development tools (Cursor/GitHub Copilot) to accelerate delivery in Scrum environments, while keeping quality high through automated testing and CI/CD pipelines.…Senior Fullstack Engineer with 15 years of experience building secure, high-performance cross-platform mobile systems (React Native/TypeScript) and scalable backend services (NodeJS/Python). I design end-to-end software lifecycles, REST APIs, and database layers for fintech, healthcare, and consumer use cases. I specialize in custom native modules, cloud infrastructure, and using AI-assisted development tools (Cursor/GitHub Copilot) to accelerate delivery in Scrum environments, while keeping quality high through automated testing and CI/CD pipelines.

Vijay Kumar

Full Stack Developer, Web Developer, Back-End Developer, +4





Senior Fullstack Engineer with 15 years of experience building secure, high-performance cross-platform mobile systems (React Native/TypeScript) and scalable backend services (NodeJS/Python). I design end-to-end software lifecycles, REST APIs, and database layers for fintech, healthcare, and consumer use cases. I specialize in custom native modules, cloud infrastructure, and using AI-assisted development tools (Cursor/GitHub Copilot) to accelerate delivery in Scrum environments, while keeping quality high through automated testing and CI/CD pipelines.…Senior Fullstack Engineer with 15 years of experience building secure, high-performance cross-platform mobile systems (React Native/TypeScript) and scalable backend services (NodeJS/Python). I design end-to-end software lifecycles, REST APIs, and database layers for fintech, healthcare, and consumer use cases. I specialize in custom native modules, cloud infrastructure, and using AI-assisted development tools (Cursor/GitHub Copilot) to accelerate delivery in Scrum environments, while keeping quality high through automated testing and CI/CD pipelines.

Available to hire

Senior Fullstack Engineer with 15 years of experience building secure, high-performance cross-platform mobile systems (React Native/TypeScript) and scalable backend services (NodeJS/Python). I design end-to-end software lifecycles, REST APIs, and database layers for fintech, healthcare, and consumer use cases.

I specialize in custom native modules, cloud infrastructure, and using AI-assisted development tools (Cursor/GitHub Copilot) to accelerate delivery in Scrum environments, while keeping quality high through automated testing and CI/CD pipelines.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Beginner

Work Experience

Senior Fullstack Engineer (Contractor) at Self-Employed

July 1, 2026 - Present

Engineered and deployed high-performance React Native mobile applications and integrated backend systems with an emphasis on scalable fullstack architecture and minimizing technical debt. Integrated AI-assisted development tools (Cursor/GitHub Copilot) into engineering workflows to improve team velocity and accelerate end-to-end feature delivery. Drove technical execution within Scrum cycles by contributing to sprint planning, backlog grooming, story estimation, and leading technical alignment sessions.

Senior Fullstack Engineer at NSW Police Force

June 1, 2025 - July 1, 2026

Architected secure cross-platform mobile applications using React Native and optimized API request/response payloads to minimize data sync latency. Built automated fullstack CI/CD pipelines using GitHub Actions and Fastlane to remove manual deployment dependencies for mobile clients and cloud builds. Engineered custom native module solutions (Java/Kotlin) and server-side optimizations to ensure seamless data flows and maximize UI responsiveness. Contributed technical insights throughout Scrum planning, estimations, and architectural alignment.

Senior Fullstack Engineer at National Bank of Australia

March 1, 2023 - May 1, 2025

Developed high-availability mobile applications and robust backend logic using React Native and NodeJS within a regulated financial/superannuation environment. Restructured core app state management and improved relational database queries, reducing technical debt and increasing team onboarding velocity. Built a custom internal web management portal from scratch using ReactJS, improving daily operational workflow efficiency for product owners. Integrated automated tests (Jest, Detox, Cypress) into Jenkins-based fullstack delivery pipelines alongside SonarQube code scanning.

Senior Software Engineer at AmusedGroup

January 1, 2022 - October 1, 2022

Delivered responsive iOS/Android layouts and backend dashboard components using React Native and ReactJS, with a strong focus on execution stability and optimized user workflows. Created an enterprise database dashboard to support internal data tracking and operational analytics. Standardized fullstack build and deployment configurations across multiple products to ensure predictable production release patterns.

Senior Software Engineer at Hitori Inc

July 1, 2014 - December 1, 2021

Built real-time data streaming capabilities for a major healthcare app, integrating BLE wearable hardware with backend Python/Django ingestion pipelines and real-time push alert systems. Designed, coded, and deployed native Android applications alongside hybrid web platforms using Java, JavaScript, and EmberJS. Mentored junior developers on fullstack engineering best practices, code review standards, and Agile development methodologies.

Software Engineer at DENA

August 1, 2013 - June 1, 2014

Software Engineer at GameView Studios

July 1, 2011 - August 1, 2013