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I'm a software engineer with 6+ years of experience building scalable enterprise web and mobile applications. I specialize in designing robust architectures, delivering secure data handling, and leading cross-functional teams to ship reliable software on time. I'm currently pursuing a Master of Science in Software Engineering at Universiti Putra Malaysia, and I enjoy mentoring developers, improving Core Web Vitals, and turning complex requirements into clean code and maintainable systems.…I'm a software engineer with 6+ years of experience building scalable enterprise web and mobile applications. I specialize in designing robust architectures, delivering secure data handling, and leading cross-functional teams to ship reliable software on time. I'm currently pursuing a Master of Science in Software Engineering at Universiti Putra Malaysia, and I enjoy mentoring developers, improving Core Web Vitals, and turning complex requirements into clean code and maintainable systems.

Tauhidur Rahman

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

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I'm a software engineer with 6+ years of experience building scalable enterprise web and mobile applications. I specialize in designing robust architectures, delivering secure data handling, and leading cross-functional teams to ship reliable software on time. I'm currently pursuing a Master of Science in Software Engineering at Universiti Putra Malaysia, and I enjoy mentoring developers, improving Core Web Vitals, and turning complex requirements into clean code and maintainable systems.…I'm a software engineer with 6+ years of experience building scalable enterprise web and mobile applications. I specialize in designing robust architectures, delivering secure data handling, and leading cross-functional teams to ship reliable software on time. I'm currently pursuing a Master of Science in Software Engineering at Universiti Putra Malaysia, and I enjoy mentoring developers, improving Core Web Vitals, and turning complex requirements into clean code and maintainable systems.

Available to hire

I’m a software engineer with 6+ years of experience building scalable enterprise web and mobile applications. I specialize in designing robust architectures, delivering secure data handling, and leading cross-functional teams to ship reliable software on time.

I’m currently pursuing a Master of Science in Software Engineering at Universiti Putra Malaysia, and I enjoy mentoring developers, improving Core Web Vitals, and turning complex requirements into clean code and maintainable systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Software Engineer at FATech Pte Ltd

June 1, 2025 - Present

Architected enterprise-grade multitenant SaaS platform using Node.js, NestJS, TypeScript, and Prisma ORM with per-tenant data isolation to ensure data security and regulatory compliance. Built high-performance RESTful APIs with PostgreSQL, implemented tenant isolation, row-level security (RLS), and horizontal data partitioning for scalable multi-client architecture. Implemented enterprise security with JWT authentication, OAuth 2.0, and RBAC to meet SOC 2 and GDPR standards. Optimized database performance by 40% via query tuning, indexing, connection pooling (PgBouncer), and Redis caching to support 10,000+ concurrent requests with 99.9% uptime. Delivered a responsive frontend integration using Vue.js 3, Vuex/Pinia, and Axios with real-time data synchronization.

Senior Software Engineer at Republic Power Pte Ltd

October 1, 2022 - February 1, 2025

Architected enterprise-scale web applications using React.js 18, Node.js, Express.js, TypeScript, and PostgreSQL within a microservices framework delivering 99.9% uptime for mission-critical systems. Optimized frontend performance by 40% through code splitting, lazy loading, useMemo, useCallback, and bundle optimization. Built robust backend APIs with Node.js, Express.js, NestJS, and PostgreSQL, applying clean architecture, SOLID principles, and complex business logic. Led a React.js frontend team of 4+ engineers, mentored juniors, and oversaw sprint planning, code reviews, and Agile/Scrum practices. Developed native and cross-platform mobile apps (Android, iOS, Kiosk) in Kotlin, Swift, React Native, and Flutter with CI/CD via Fastlane. Integrated IoT device communication for Android-based kiosks using Kotlin/Java (UART, I2C, SPI, MQTT) and real-time sensor data processing.

Senior Engineer (Frontend) at Banfico Ltd, UK

February 1, 2022 - September 1, 2022

Migrated legacy banking applications to modern React.js and TypeScript stacks, improving maintainability and enabling scalable frontend architecture. Optimized state management with Redux Toolkit and RTK Query, reducing API response time and enhancing performance. Developed reusable React component library with Material UI to standardize UI patterns and accelerate development.

Software Engineer at Redfirehose USA

March 1, 2019 - January 1, 2022

Built high-performance React.js applications with AWS Lambda and serverless Node.js functions, delivering scalable cloud-native solutions. Developed RESTful APIs with Node.js/Express.js and integrated third-party services, creating robust backend infrastructure.