Maisam Shah, Developer in Lahore, Punjab, Pakistan
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Maisam Shah

Verified Expert  in Engineering

Bio

Maisam is a solution-focused and goal-oriented software engineer with over seven years of experience in commercial application development, over five years in front-end React Native development, and more than four years in back-end development. He is passionate about finding simple, efficient solutions to complex problems. Maisam demonstrates strong analytical and problem-solving skills and the ability to follow through with projects from inception to completion.

Portfolio

Reward Gateway, Limited
React Native, Android, iOS, React.js, TypeScript, Swift, Java, DigitalOcean...
An Online Freelance Agency
JavaScript, React Native, React.js, Node.js, Localization, Mobile App Design...
Tkxel
JavaScript, React.js, Node.js, Web Development, Web UI, Tailwind CSS, Figma...

Experience

Availability

Full-time

Preferred Environment

Windows, MacOS, Slack, Skype

The most amazing...

...thing I've worked on is developing an online marketplace application for e-vouchers from top retailers around the world with over 500,000 active users.

Work Experience

Senior Mobile Engineer

2022 - 2024
Reward Gateway, Limited
  • Led the development of a hybrid mobile application that increased user engagement by 20% by implementing redeemable vouchers, leveraging React Native and GraphQL for optimal performance.
  • Implemented checkout flows using Checkout.com, ensuring full compliance with PCI DSS regulations to protect sensitive cardholder data.
  • Increased successful transactions by 25% by developing and optimizing checkout flows within the app.
  • Attended yearly PCI compliance meetings to stay updated with the latest standards and best practices, ensuring all systems and processes adhered to industry regulations.
  • Integrated Apple Pay and Google Pay using Checkout.com, enhancing the user experience with additional secure payment options.
  • Enhanced app performance by nearly 40% through the implementation of GraphQL for data management and caching.
  • Improved user retention by 15% using Google Analytics to track and optimize user journeys.
  • Assisted in publishing apps to Google and Apple app stores, ensuring seamless deployment.
Technologies: React Native, Android, iOS, React.js, TypeScript, Swift, Java, DigitalOcean, HTTPS, MERN Stack, Firebase, API Integration, Data Visualization, Stripe Development, App Store Development, Google Play Store, React Query, Subscriptions, Apple Subscriptions, Communication Coaching, Testing, Design Systems, Styled-components, Mobile Apps, Architecture, Financial Software Development, DevOps, Storybook, Redux Toolkit, Front-end Architecture, Microfrontends, Full-stack, Google Cloud Functions, In-app Purchases, Mobile Architecture, Chrome Extension Development, Git, Payment Gateways, NoSQL, Axios, JSON REST APIs, SOAP APIs, Wireframing, Mobile App Design, Jira, Material Design, CI/CD Pipelines, Deployment, SCSS, Version Control, Auth0, NPM, System Security, Social Networks, Social Networks Development, App UI, Authorization, Payment Processing, Leadership, UI Development, Database, Apollo, React Native Reanimated, Mobile App Design, Swagger, Stripe Development, Stripe Development, Checkout, Payment APIs, Caching, Lazy Loading, Social Media Marketing, Docker Compose

Full-stack Web and Mobile Application Developer

2021 - 2022
An Online Freelance Agency
  • Developed custom solutions for Apple Pay and Google Pay integration using Node.js, tailoring the functionality to meet specific business needs.
  • Gained a deep understanding of PCI compliance requirements and seamlessly integrated Stripe into various platforms, ensuring secure and compliant payment processing.
  • Worked on a blockchain-backed mobile application. Handled transactions between fiat and cryptocurrency. Implemented Figma designs with great accuracy.
  • Implemented PayPal integration for a cutting-edge crypto finance application, enabling secure and efficient transactions for users.
  • Worked on mobile applications for the maintenance of a factory machine. Familiarized myself with the client's code quickly and provided efficient and fast output and results.
  • Managed and worked on three projects for the client simultaneously. Implemented feature updates and resolved bugs while understanding the immense code bases of multiple projects.
Technologies: JavaScript, React Native, React.js, Node.js, Localization, Mobile App Design, Next.js, Tailwind CSS, Figma, Jest, Webpack, PostgreSQL, Android, iOS, REST API, Agile Development, HTML, CSS, UI Design, UX Development, Design, GraphQL, Firebase Cloud Functions, Full-stack, Front-end Development, Shopify, Shopify API, UX Development, Software Architecture, UI Development, Google Maps Development, Google Places SDK, Expo, Mobile App Design, Location Tracking, SQL, ChatGPT, Generative Pre-trained Transformers (GPT), Twilio Development, Heroku, Mobile App Design, AWS, MySQL, GitHub, DigitalOcean, HTTPS, MERN Stack, Firebase, API Integration, Data Visualization, Stripe Development, App Store Development, Google Play Store, Subscriptions, Apple Subscriptions, RevenueCat, Stripe Subscriptions, OpenAI, Communication Coaching, Testing, Design Systems, Express.js, Google Cloud Development, Cloud Engineering, Sequelize, Styled-components, Mobile Apps, Architecture, Financial Software Development, OpenAI GPT-3 API, GPT-4, E-commerce marketing, Stripe Development, Back-end Developers, Cloud Infrastructure, DevOps, Startup Development, D3.js, Material UI, Redux Toolkit, Front-end Architecture, Microfrontends, Svelte, SvelteKit, Firebase Authentication, Firestore, React Native, Google Cloud Functions, In-app Purchases, Mobile Architecture, Tailwind UI, Git, Payment Gateways, NoSQL, Axios, Artificial Intelligence, Image Processing, Machine Learning, AWS Lambda, JSON REST APIs, SOAP APIs, Wireframing, FastAPI, Mobile App Design, Amazon Cognito, Jira, Material Design, Animation Development, Mobile First, Amazon S3, CI/CD Pipelines, Deployment, SCSS, Vercel, Version Control, Database, PayPal Development, Auth0, ChatGPT API, Cross-browser Compatibility, NPM, Responsive Web Design, Web3, System Security, Social Networks, Social Networks Development, App UI, Authorization, API Development, Web Development, Payment Processing, Cryptocurrency, Back-end Developers, MongoDB, Leadership, Blockchain, Crypto, UI Development, SQL Server, Database, Apollo, Prisma, React Native Reanimated, Mobile App Design, Supabase, AWS, Swagger, Bootstrap, Stripe Development, Checkout, Payment APIs, Caching, Lazy Loading, Social Media Marketing, SQL, Redis, Docker Compose

Senior Software Engineer

2021 - 2022
Tkxel
  • Optimized existing React codebases to reduce load times and enhance user experience.
  • Handled the customization of clients' systems, including functional requirements documentation, use cases, actual coding, and unit testing.
  • Identified issues, analyzed information, and provided solutions to problems.
  • Supervised the work of contracted employees to stay on task for timely completion.
Technologies: JavaScript, React.js, Node.js, Web Development, Web UI, Tailwind CSS, Figma, AWS Amplify, Webpack, PostgreSQL, REST API, Agile Development, GraphQL, HTML, CSS, jQuery, Software Architecture, UI Development, Mobile App Design, Location Tracking, SQL, Heroku, Mobile App Design, MySQL, GitHub, DigitalOcean, HTTPS, MERN Stack, Firebase, API Integration, Data Visualization, App Store Development, Google Play Store, React Query, Communication Coaching, Design Systems, Styled-components, Mobile Apps, Architecture, Cloud Infrastructure, DevOps, Material UI, Redux Toolkit, Front-end Architecture, Full-stack, Firebase Authentication, Firestore, Google Cloud Functions, Next.js, Mobile Architecture, Git, Payment Gateways, NoSQL, Axios, JSON REST APIs, SOAP APIs, Jira, Material Design, Mobile First, Amazon S3, Deployment, SCSS, Version Control, Auth0, Cross-browser Compatibility, NPM, Responsive Web Design, System Security, Social Networks Development, App UI, Authorization, Back-end Developers, Leadership, UI Development, SQL Server, Database, Mobile App Design, Swagger, Bootstrap, Checkout, Payment APIs, Caching, Lazy Loading, Social Media Marketing, SQL, Docker Compose, Django

Senior Technical Content Engineer

2019 - 2021
Educative
  • Led multiple teams of engineers to attain the desired goal within the expected time frame.
  • Worked closely with the technical team, product managers, and CEO to strategize and plan new courses and their impact on the development of society.
  • Interviewed and mentored employees and new engineers on the team.
Technologies: JavaScript, Python, Docker, Web Development, React.js, jQuery, SEO, UI Development, Mobile App Design, Location Tracking, SQL, Heroku, Python, MySQL, GitHub, HTTPS, MERN Stack, Firebase, API Integration, Data Visualization, Communication Coaching, Design Systems, Architecture, Mobile Architecture, Git, NoSQL, JSON REST APIs, SOAP APIs, Jira, Deployment, Version Control, Leadership, UI Development, Database, Payment APIs, Caching, Lazy Loading, Social Media Marketing, Docker Compose

Software Developer

2017 - 2019
An online freelance agency
  • Worked on three cross-platform mobile applications using React Native + Redux with Material UI.
  • Developed an app that utilizes an Uber-like functionality to connect to users with live tracking. This was achieved through the APIs provided by Google.
  • Worked on both WebRTC and Twilio to enable in-app audio/video calling for multiple applications.
  • Used Firebase functions to enable push notifications and automatic data updates.
  • Worked with Redux for global state management and Redux Thunk to handle asynchronous calls as middleware.
  • Gained a deep understanding and working experience in object-oriented JavaScript programming and the MVVM design pattern.
Technologies: Python, Selenium, Jupyter Notebook, Pandas, TensorFlow, React.js, JavaScript, TypeScript, C++, Java, Localization, Mobile App Design, Figma, Webpack, PostgreSQL, REST API, Agile Development, HTML, CSS, UI Design, UX Development, Design, GraphQL, Firebase Cloud Functions, Full-stack, Front-end Development, UX Development, Software Architecture, UI Development, Google Maps Development, Google Places SDK, Expo, Mobile App Design, Location Tracking, SQL, Twilio Development, Heroku, Python, Mobile App Design, AWS, MySQL, Maps, GitHub, HTTPS, MERN Stack, Firebase, API Integration, Data Visualization, Stripe Development, App Store Development, Google Play Store, React Query, Subscriptions, Apple Subscriptions, Stripe Subscriptions, Communication Coaching, Testing, Design Systems, Express.js, Google Cloud Development, Cloud Engineering, Sequelize, Styled-components, Mobile Apps, Architecture, Financial Software Development, OpenAI GPT-3 API, GPT-4, E-commerce marketing, Stripe Development, Back-end Developers, Cloud Infrastructure, DevOps, Startup Development, Material UI, Redux Toolkit, Front-end Architecture, Microfrontends, Firebase Authentication, Firestore, React Native, Google Cloud Functions, In-app Purchases, Next.js, Mobile Architecture, Tailwind UI, Git, Payment Gateways, NoSQL, Axios, Artificial Intelligence, Image Processing, Machine Learning, AWS Lambda, JSON REST APIs, SOAP APIs, Wireframing, FastAPI, Mobile App Design, Amazon Cognito, Jira, Material Design, Animation Development, Mobile First, Amazon S3, CI/CD Pipelines, Deployment, SCSS, Vercel, Version Control, Database, PayPal Development, Auth0, Cross-browser Compatibility, NPM, Responsive Web Design, System Security, App UI, Authorization, API Development, Web Development, Payment Processing, Back-end Developers, SQL Server, Database, Apollo, Prisma, React Native Reanimated, Mobile App Design, Supabase, AWS, Swagger, Bootstrap, Stripe Development, Checkout, Payment APIs, Caching, Lazy Loading, Social Media Marketing, SQL, Docker Compose

SmartSpending

https://play.google.com/store/apps/details?id=com.rewardgateway.mob_04&hl=en
A React Native-based online marketplace for e-vouchers from top retailers around the world. As the front-end developer, I led the development, testing, and deployment of this application. Additionally, I successfully implemented checkout flows using Checkout.com, ensuring full compliance with PCI DSS regulations to protect sensitive cardholder data. This mobile app was published on the App Store.

Edenred Discounts

https://play.google.com/store/apps/details?id=com.rewardgateway.mob_04_edenred&hl=en
A React Native-based online marketplace for e-vouchers from top retailers around the world. As the full-stack developer, I led the development, testing, and deployment of this application. Additionally, I successfully implemented checkout flows using Checkout.com, ensuring full compliance with PCI DSS regulations to protect sensitive cardholder data. This mobile app was published on the App Store.

CoSafe

https://play.google.com/store/apps/details?id=com.cocrisis.live&hl=en&gl=US
CoSafe is a powerful and user-friendly critical communication platform for alerting, managing and preventing incidents.

Designed by crisis management experts and customized for building safe, resilient, and sustainable organizations. The platform helps organizations keep employees safe and informed by ensuring that the right information reaches the right person at the right time. I was the front-end developer in charge of designing interactive UI screens. I also managed the API integration to organize and display complex, real-time data to the users.

Finay Web and Mobile App

http://apps.apple.com/pk/app/finay/id1613395121
Finay is the virtual home the music community deserves, supporting artists and directly connecting them with their fans.

As the full-stack developer, I led this application's development, testing, and deployment. Also, I successfully implemented PayPal integration, enabling secure and efficient transactions for users. This mobile app was published on the App Store. Additionally, I managed and oversaw the tasks of the blockchain developer and ensured timely delivery to the client.

Smart Factory

https://apps.apple.com/pk/app/smart-factory/id1510565698
Smart factory helps people see the productivity of machines and manage them accordingly. I was part of the front-end development team for the app. I built the user interface and integrated APIs to interact with the back end.
2015 - 2019

Bachelor's Degree in Computer Science

National University of Computer and Emerging Sciences - Lahore, Pakistan

MARCH 2024 - PRESENT

Application Security – The Complete Guide

Udemy

DECEMBER 2020 - PRESENT

Learn HTML, CSS, and JavaScript from Scratch

Educative

Libraries/APIs

React.js, Node.js, React Navigation, REST API, Google Maps Development, Stripe Development, React Query, Apple Subscriptions, Stripe Development, SOAP APIs, API Development, SQL, WebRTC, jQuery, Pandas, TensorFlow, AWS Amplify, JavaScript, Shopify API, D3.js

Tools

Slack Development, Skype, Figma, Xcode, Android, Google Places SDK, Expo, ChatGPT, GitHub, Redux Toolkit, Firebase Authentication, React Native, Git, Amazon Cognito, Jira, Auth0, NPM, MongoDB, Stripe Development, Webpack, Sequelize, Prisma, Docker Compose

Languages

JavaScript, TypeScript, HTML, CSS, SQL, Python, SCSS, GraphQL, Python, JavaScript, C++, Java, Swift

Frameworks

React Native, Redux, Next.js, Tailwind CSS, Material UI, Swagger, Selenium, Express.js, Bootstrap, Django, Jest, Svelte

Paradigms

Agile Development, UI Design, UX Development, Mobile App Design, Microfrontends, Responsive Web Design, Testing, DevOps, SEO

Platforms

Windows Development, MacOS, Web Development, AWS, Firebase, Mobile App Design, AWS Lambda, Twilio Development, Android, iOS, Heroku, DigitalOcean, Cloud Engineering, Vercel, Docker, Jupyter Notebook, Shopify, RevenueCat, Blockchain

Storage

PostgreSQL, MySQL, Firestore, NoSQL, Database, SQL Server, Database, MongoDB, Google Cloud Development, Amazon S3, Redis, AWS

Industry Expertise

Social Media Marketing

Other

Full-stack, Mobile Web, Front-end, Back-end Developers, APIs, Design, Firebase Cloud Functions, Full-stack, Front-end Development, UI Development, Mobile App Design, Generative Pre-trained Transformers (GPT), Maps, HTTPS, MERN Stack, API Integration, App Store Development, Google Play Store, Subscriptions, Stripe Subscriptions, Communication Coaching, Design Systems, Styled-components, Mobile Apps, Architecture, Financial Software Development, Startup Development, Front-end Architecture, Google Cloud Functions, In-app Purchases, Mobile Architecture, Payment Gateways, Axios, JSON REST APIs, Wireframing, Mobile App Design, Material Design, Mobile First, Deployment, Version Control, Cross-browser Compatibility, System Security, Social Networks, Social Networks Development, App UI, Authorization, Payment Processing, Apple Pay Development, Google Pay, Back-end Developers, Leadership, UI Development, Apollo, React Native Reanimated, Mobile App Design, Supabase, Checkout, Payment APIs, Caching, Lazy Loading, Localization, UX Development, Software Architecture, Location Tracking, Data Visualization, OpenAI, OpenAI GPT-3 API, GPT-4, E-commerce marketing, Cloud Infrastructure, Tailwind UI, Chrome Extension Development, Artificial Intelligence, Image Processing, Machine Learning, FastAPI, Animation Development, CI/CD Pipelines, PayPal Development, ChatGPT API, Web3, Web Development, UI Development, Web UI, Security, PCI DSS, Storybook, SvelteKit, Cryptocurrency, Crypto

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