Passionate in Competitive Programming, Love in Mathematics. Hey, this is halal. 4 years and 11 months professional experienced iOS Developer. Currently working on a US-based social media at Doodle Inc. In my previous(First) company I worked on some interesting, challenging and enjoyable projects. And also I got a strong guidance from a highly experienced 𝐒𝐞𝐧𝐢𝐨𝐫 of my first company to writing scalable, readable and maintainable code.By the way, wherever I go, I'm try to create a value that contributes to a sustainable improvement. 𝐀𝐬 𝐚𝐧 𝐞𝐱𝐚𝐦𝐩𝐥𝐞- When I was admitted to the previous institute(Brahmanbaria Polytechnic Institute), there was no active Competitive Programming team. 5+ years of dedication, right now have an active programming club, 6+ professional iOS Developers, 5+ active CP team and 30+ students regularly practicing and participating in programming contests.(𝐢) 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐝/𝐤𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞:☞︎ 𝐅𝗿𝗮𝗺𝘄𝗼𝗿𝗸/𝗟𝗶𝗯𝗿𝗮𝗿𝘆(𝗦𝘄𝗶𝗳𝘁): 𒊹︎UIkit 𒊹︎Swiftui(Minor) 𒊹︎RxSwift 𒊹︎ AWS Amplify 𒊹︎AppSync 𒊹︎ Cognito 𒊹︎ GraphQL 𒊹︎ Amazon S3 𒊹︎Auto Layout 𒊹︎Auto resize 𒊹︎Vision(For OCR) 𒊹︎Speech Recognizer 𒊹︎Image Processing 𒊹︎Network Extension 𒊹︎Custom Keyboard Extension 𒊹︎Widget/Today Extension 𒊹︎WidgetKit 𒊹︎Intents 𒊹︎Alamofire 𒊹︎Core Data 𒊹︎ Keychain 𒊹︎Document Directory 𒊹︎AVFoundation 𒊹︎Foundation 𒊹︎Push notification 𒊹︎Firebase 𒊹︎HealthKit 𒊹︎WatchKit 𒊹︎Agora.io(Video Calling).☞ ︎𝗢𝘁𝗵𝗲𝗿𝘀: 𒊹︎Git 𒊹︎MVVM 𒊹︎MVC 𒊹︎VIPER 𒊹︎GraphQL 𒊹︎Configure VPN server 𒊹︎Integrate Google Translator API 𒊹︎Build API(in core PHP) 𒊹︎Jira 𒊹︎JSON 𒊹︎Expertise in Legacy codebase.(𝐢𝐢). 𝐍𝐨𝐧-𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐝/𝐤𝐧𝐨𝐰𝐥𝐞𝐝𝐠𝐞:☞ 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲: 𒊹︎Python 𒊹︎C 𒊹︎My SQL☞︎ 𝗢𝘁𝗵𝗲𝗿𝘀: 𒊹︎Team Building 𒊹︎Algorithms 𒊹︎Data-structure 𒊹︎Graph Algorithms 𒊹︎OOP𒊹︎Teaching(Programming).𝗚𝗶𝘁𝗵𝘂𝗯: (https://github.com/Halal375657)𝗛𝗮𝗰𝗸𝗲𝗿𝗿𝗮𝗻𝗸: (https://www.hackerrank.com/halaluddin375657)𝗟𝗲𝗲𝘁𝗰𝗼𝗱𝗲: (https://leetcode.com/halal_/)𝗗𝗶𝗺𝗶𝗸𝗼𝗷: (https://dimikoj.com/users/241/HalalUddin)