Summary
Overview
Work History
Education
Skills
Accomplishments
Work Preference
Work Availability
Languages
Timeline
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Muhammad Umar

Muhammad Umar

Senior Mobile App Engineer
Lahore,PB

Summary

Muhammad Umar A software engineer with about 5 years of experience in developing web and mobile applications. Experienced in all stages of a development cycle and having strong command over modern technologies. A proven leader with excellent interpersonal, motivational and problem-solving skills with an aptitude to quickly master new skills, technologies or roles. Lahore, PK

Overview

4
4
years of professional experience

Work History

Senior Software Engineer

The Web
10.2023 - Current
  • Working as a senior Mobile App Developer and build apps from scratch
  • Implemented complex features using TypeScript, React, React Native
  • Socket.io, Rest Apis
  • Implemented a smooth registration process and maintaining sessions across multiple Devices
  • Repeatedly improved user experience by adding different cache techniques and transitions for aesthetics
  • Wrote unit and integration tests to test all the desired functionality using Jest, react testing library, and cypress

Software Engineer

Codility Solutions
11.2022 - 01.2023
  • Managed a team of 5+ developers, dealt with 4 different clients to build web and mobile applications from scratch
  • Developed the UI layer using Javascript, React Js
  • Reduced sign-up drop-offs from 65% to 15% and enhanced user engagement by 40%, through a combination of hypothesis testing
  • Strategically designed suitable architecture for the requirements by evaluating third-party libraries by functionality, code bloat, and performance, gaining a client satisfaction rate of 98% for project deliverables
  • Optimized performance of applications and increased performance by implementing caching, code refactoring and optimizing
  • Wrote unit and integration tests to test all the desired functionality using Jest, react testing library, and react Test Renderer
  • Deployed apps on both appStore and playStore

Associate Software Engineer

Codility Solutions
09.2021 - 01.2022
  • Www.linkedin.com, in/m uhammad-umar-7547b4156/, -
  • Stackoverflow https://stackoverflow.com/user s/13403397/muhammad-umar
  • Worked on a food marketplace, implemented features on frontend (Web &
  • Mobile) using React Js, React Native and TypeScript, refactored code and optimized api requests
  • Github https://github.com/Muhammad
  • Umar474
  • Implement UI Design Pattern and split the components into atoms, molecules, and organisms and use mono repo architechture
  • Worked on an ERP project and refactor the codebase from React 15 to React8
  • Overhauled the obsolete legacy source code and changed all the class components to functional components maintaining the UI consistent
  • Wrote test cases using Jest and React Testing Libraries and made the UI pixel perfect to figma
  • Deployed Updated apps on playStore and appStore

Associate Software Engineer

Heuristixs
01.2021 - 08.2021
  • Worked as a React Native Developer and Refactor the legacy ERP App by removing duplicate code, use descriptive naming, eliminate dead code and optimize data structures
  • Increased the performance of queries by shifting business logic at database level to make it faster
  • Fixed lag in UI renders by React virtualized to optimized large lists of users.

Education

Bachelor - Computer Science

University of Gujrat

Skills

  • Tools and Frameworks:
  • Frontend : Javascript , Typescript , React JS , React Native , Expo , RTK Query , Redux , Redux Toolkit , Redux Thunk , swift , kotlin
  • Sockets : (Socketio)
  • Payment Gateway : (Stripe , FlutterWave)
  • Testing : (Jest, React Testing Library React Test Renderer), Appium
  • Styling Libraries/Frameworks : CSS, React Native Style, React Native Paper, Ant Design
  • Backend : Node Js, Nest Js, graphQl
  • DataBases : MongoDB, PostgreSQL
  • CI/CD Pipelines : Github Actions, App Center
  • Project Management Tools : Jira , Github Projects, GitLab, MS , Teams, Bitbucket

Accomplishments

  • RIGOR is a Digital Checklist System that ensures verifiable compliance with standard procedures and produces reliable operations (i.e
  • Predictable, safe, efficient operations based on best practices)
  • By applying RIGOR, procedures can be translated into aviation-quality checklists that can be executed with
  • NASA precision
  • The use of Notes, Cautions, and Warnings unites safety and operations at the time and place of task performance
  • Worked as a React Native developer
  • Technologies: TypeScript, React Native, Jest, SQL
  • AppStore: https://apps.apple.com/us/app/rigor/id923027622
  • Mana Calendar
  • Organize your time with an all-in-one social calendar app
  • View all contacts schedules, merge calendars, manage cross-timezone planning, and coordinate activities easily
  • Effortlessly manages cross-timezone planning to keep everyone in sync
  • Worked as a Senior React Native developer
  • Technologies: JavaScript, React Native, Node Js, Redux
  • AppStore: https://apps.apple.com/gb/app/mana-calendar/id6504821320
  • PlayStore: https://play.google.com/store/apps/details?id=com.mana.day
  • Orders Made Simple
  • Orders Made Simple is your stock ordering simplified
  • Our app-based ordering system allows business owners, chefs, or managers to make huge improvements to the way they order their stock, saving time and money in the process
  • Worked as Senior frontend developer
  • Technologies: React Js, React Native Expo, Redux, Node JS
  • Web: https://ordersmadesimple.com/
  • PlayStore: https://play.google.com/store/apps/details? id=com.ordersmadesimple.application
  • AppStore: https://apps.apple.com/gb/app/orders-made- simple/id1504056632Dillon Gas
  • Dillon Gas & Allied Chemicals Limited - Established to become the 'go to'
  • Liquified Petroleum Gas (LPG) distribution and supply company with affordable prices for households, retailers, industries, hotels and restaurants
  • We operate across Lagos with the goal of expanding our products and services across and beyond Nigeria
  • Worked as Lead Developer
  • Technologies: React Native, Socket.io, Rest Apis, JavaScript, Google Maps
  • PlayStore: https://play.google.com/store/apps/details? id=com.dillon_gas_app
  • Chowmill
  • Chowmill is our go to for all office meals
  • The app and website is very easy to use and has a huge lineup of restaurants available to order from
  • Their customer service is excellent and billing has been a breeze
  • Worked as a Senior frontend developer
  • Technologies: React JS, Redux
  • Link: https://chowmill.com/
  • Pijn
  • Currently working on Pijn app same like whatsapp
  • I have implemented complete chat including text, audio, picture, video, document message
  • It also include single chat, group chat and business chat with other small features
  • Working as a Lead Developer
  • Technologies: React Native, TypeScript, Node Js, Redux, Web Sockets

Work Preference

Work Type

Full TimePart TimeContract Work

Work Location

Remote

Important To Me

Work-life balanceFlexible work hoursHealthcare benefits

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Languages

English
Advanced (C1)
Urdu
Advanced (C1)

Timeline

Senior Software Engineer

The Web
10.2023 - Current

Software Engineer

Codility Solutions
11.2022 - 01.2023

Associate Software Engineer

Codility Solutions
09.2021 - 01.2022

Associate Software Engineer

Heuristixs
01.2021 - 08.2021

Bachelor - Computer Science

University of Gujrat
Muhammad UmarSenior Mobile App Engineer