Shahzaib is available for hire

Shahzaib Sheikh

Verified Expert in Engineering

Software Developer

Location

Karachi, Sindh, Pakistan

Toptal Member Since

July 3, 2022

Shahzaib is a full-stack developer with over six years of professional experience in back and front-end development, legacy technologies, and database and system architecture. With a multidisciplinary background across various industries, he has worked with different technologies, programming languages, and frameworks and led a team of six developers. Shahzaib is a fast learner with strong conceptual and analytical skills.

Node.js Git Laravel jQuery PHP TypeScript Amazon Web Services (AWS)Express.js MySQL NestJS C#PostgreSQL Sequelize React WordPress Geth

Portfolio

Seed Labs

Node.js, TypeScript, PostgreSQL, Solidity, Docker, Amazon Web Services (AWS)...

KoderLabs

C#, JavaScript, TypeScript, PHP, Node.js, Bluetooth, Laravel, NestJS, MySQL...

Experience

JavaScript - 7 years Git - 7 years TypeScript - 5 years Node.js - 5 years Laravel - 4 years Express.js - 4 years PHP - 2 years NestJS - 2 years

Availability

Part-time

Preferred Environment

Node.js, Visual Studio Code (VS Code), PHP, PostgreSQL, MySQL

The most amazing...

...thing I've developed was the back end of a social network app, for which I solved scalability and availability issues that often arise in a product lifecycle.

Work Experience

Staff Software Engineer

2021 - PRESENT

Seed Labs

Divided a huge, non-scalable server application into smaller disposable, scalable microservices, which made the application highly available and cost-effectively.
Developed CI/CD pipelines to automate the repetitive tasks and put checks for code quality and test coverage.
Optimized the faucet service to process funding requests concurrently and scale as per need.

Technologies: Node.js, TypeScript, PostgreSQL, Solidity, Docker, Amazon Web Services (AWS), Git, Ganache, Geth (go-ethereum), Web3.js, Ethers.js, Express.js, NestJS, Sequelize

Lead Software Engineer

2015 - 2021

KoderLabs

Developed a human resources (HR) management system for internal use with complex-configurable policies.
Wrote several web crawlers for data mining of cars, clothes, and shoes.
Built an inventory management system that took data from several sources and synced them to a WordPress site after changing attributes and prices.

Technologies: C#, JavaScript, TypeScript, PHP, Node.js, Bluetooth, Laravel, NestJS, MySQL, Amazon Web Services (AWS), Firebase, WebSockets, Windows Services, Express.js, React, jQuery, Angular, JavaFX, Jira, Twilio, WordPress

Experience

SaaS Analytics Service

https://swiftsales.io/

Worked on the SwiftChat project, a SaaS solution that:
• Enables users to get real-time and historical users analytics reports for the website or mobile app.
• Provides chatting functionalities with users.
• Helps agents manage and reply to chats.
• Allows users to see what the viewer is seeing on the website.

Social Network App

https://momentpin.com/

Momentpin is a family-friendly app that offers users a clean and secure ecosystem. With momentpin, friends, families, and organizations can store, archive, and share memories. Young children are provided a social sandpit to learn about the digital interactions with their friends and family in a safe environment monitored by their parents.

SaaS HR Management Software

https://www.digemp.com/

Contributed to the Digemp project, an HR management software that:
• Enables employees to clock in or out from anywhere in the world using a web or a mobile app.
• Allows managers to approve or reject employees' timesheet entries.
• Helps employers and managers see which employees are present at work and who are coming late.
• Assists employers in customizing various leave types, including paid, unpaid, carryover, annual, and accrual leaves.

Education

2015 - 2018

Bachelor's Degree in Computer Science

University of Karachi - Karachi, Pakistan

Skills

Libraries/APIs

Node.js, jQuery, Web3.js, React, AdminLTE

Tools

Git, Ganache, Geth (go-ethereum), Sequelize, Jira

Languages

JavaScript, PHP, C#, Java, Assembly, TypeScript, Solidity

Frameworks

Laravel, Express.js, NestJS, Angular

Platforms

Docker, Amazon Web Services (AWS), Firebase, JavaFX, Twilio, WordPress, Visual Studio Code (VS Code)

Storage

PostgreSQL, MySQL, Redis

Other

Programming, Computer Science, Ethers.js, Bluetooth, WebSockets, Windows Services

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