Building premium digital experiences for the modern world.
I’m Satinder Singh — a full-stack developer focused on building scalable web and mobile applications with modern UI/UX, secure backend systems, and production-grade architecture.
From mobile apps and backend systems to cloud deployment and product design, I create digital products that feel fast, clean, and impactful.
Building apps used by real users.
Explore my published Android applications focused on productivity, finance, and modern mobile experiences.
FinTrack: Expense & Budget
Modern personal finance management app for tracking expenses, budgets, and savings.
Course Calculator
Simple and efficient GPA / course calculation app built for students.
Google Play Developer
Satinder Singh Sall
Full-stack developer building scalable mobile apps, modern web platforms, and production-grade digital experiences.
Creating scalable products with engineering precision.
I build high-performance full-stack applications with a strong focus on modern UI/UX, scalability, security, and real-world usability.
Currently pursuing an MCA at KIIT University with expertise in React, Node.js, TypeScript, Express, MongoDB, MySQL, Docker, and cloud deployment systems.
Alongside web engineering, I’m actively exploring mobile app development and game development to create immersive cross-platform digital experiences.
More than just a finance app.
FinTrack is a complete ecosystem designed and engineered from scratch — combining mobile engineering, scalable backend systems, and modern web experiences into one production-grade platform.
Mobile App
Built with React Native, Expo Router, Zustand, NativeWind, and modern mobile-first architecture.
Backend API
Scalable Express + MongoDB backend with JWT authentication, REST APIs, and secure architecture.
Web Ecosystem
Landing page, admin panel, and account deletion portal built with Next.js and modern UI systems.
Production Quality
Focused on performance, scalability, security, clean UI/UX, and real-world usability.
Technology should feel effortless.
My goal with FinTrack is simple — help people make smarter financial decisions through clean design, intuitive experiences, and powerful technology without unnecessary complexity.
Every screen, animation, API, and interaction is crafted with precision to create a premium digital experience that feels fast, modern, and meaningful.
Trust, Privacy & Transparency
Your data belongs to you. FinTrack is designed with privacy, security, transparency, and user control at its core.
Privacy Policy
Learn how FinTrack collects, uses, and protects your information.
Account Deletion
Request permanent deletion of your account and associated data.
Legal & Compliance
Access our official policy portal and compliance information.
Built with user privacy in mind
We believe financial tools should provide transparency, security, and complete control over personal data. You can review our policies, understand how data is handled, and request account deletion at any time.