Full Stack Engineer

Open to full-time

Bio

Areeb S is a Full Stack Engineer with over two years of experience building scalable mobile and backend systems across startup and enterprise environments. He specializes in cross-platform mobile development using React Native and backend development with Node.js, Express, and FastAPI. Areeb builds APIs and microservices, integrating secure authentication mechanisms and designing reliable backend architectures. His expertise includes working with PostgreSQL and SQL databases, utilizing Prisma ORM, and deploying systems with Docker and AWS. At Triangle Wallets, Areeb led the development of a multi-platform crypto wallet application in React Native, handling app distribution for both Google Play Store and Apple App Store. At 99 Technologies, he implemented secure API key–based authentication and contributed to the development of JavaScript and Python SDKs, enhancing system reliability and data handling. Areeb holds a Bachelor of Science in Software Engineering from the Comsats Institute of Information Technology. He is well-suited for roles that involve full-stack development in mobile and backend systems, particularly in fintech and enterprise applications.

Expertise

Node.jsReact NativeSQLPythonGitAWSFast APIFigmaReactJavaScriptPHPWordPress

Video Intro

Assessments

General Coding and Video Assessment

(92/100)

Implement LRU Cache AlgorithmMedium
Real-Time Dashboard in ReactMedium

Projects

Triangle Wallet

A multi-platform crypto application developed from scratch in React Native with its backend developed in Node.

Bytepulse AI

Integrated a PostgreSQL database with Prisma ORM and designed optimized schemas.

Jarvis Mobile

Contributed to the maintenance and enhancement of a CRM application in React Native.

ValidateBP

Contributed in maintenance of Blood Pressure Device Catalogue website built on WordPress.

Experience

Senior Software Engineer
Triangle WalletsFeb 2025 — Present
- Full-stack development on a multi-feature crypto wallet mobile application.
- Conducted thorough code reviews to ensure code quality and maintainability.
- Set up app distribution for Google Play Store and Apple App Store.
- Worked on code optimizations.
Software Engineer
99 TechnologiesSep 2025 — Present
- Backend development on an ASR with Intelligence application.
- Implemented API key–based authentication for secure access control.
- Integrated and optimized database operations to enhance data handling and system reliability.
- Contributed in development and published official JavaScript and Python SDKs to npm and PyPI.
Software Engineer
Dubizzle LabsJun 2024 — Jan 2025
- Developed features for an in-house business-centric mobile application.
- Collaborated on integrating new modules to enhance application functionality.
- Assisted in React Native version upgrade from RN 0.67 to RN 0.75.
- Reduced warnings and optimized code through code refactoring.
Associate Software Engineer
DevsincJun 2023 — Jun 2024
- Managed two projects concurrently, ensuring timely delivery and quality.
- Developed new functionality for a WordPress application.
- Contributed to a greenfield mobile application by implementing Figma designs.