Alireza S.

Alireza S.

Mobile Developer

Germany
Trusted member since 2022
6 years of experience

Alireza understands coding practices, OO design, and SDLC and has a keen interest in mobile & web development.

Alireza has developed many engagements, including community management platforms, HOA management systems, MarTech, social media, and work management software, which made him quite versatile and adaptable.

It is only a tiny part of his career achievements, and he is a valuable asset to any team as he can suggest brilliant solutions from his professional perspective.

Main expertise

React NativeReact Native5 years
FirebaseFirebase4 years
Redux.jsRedux.js4 years
GitGit5 years
3+

Experience7

Rapitag

Senior Frontend Developer

Rapitag
Internet of Things (IoT)
Jul 2024 · 1y 8m

• Redesigned & merged 2 apps (Expo & RN CLI) into one unified app, reducing tes-ng & publishing -me by 30%. • Redesigned and Refactored BI Web dashboard, added features, improved performance. • Implemented EAS Expo & OTA updates, automa-ng deployments & speeding up by 40%. • Managed a team of 2 juniors, mentoring, improving productivity & code quality.

TypeScriptTypeScript
UI
React NativeReact Native
Next.jsNext.js
FigmaFigma
4+
Timify

React Native Engineer

Timify
Information Technology (IT) and Services
Nov 2022 - Jul 2024 · 1y 8m

• Refactored legacy codebase, improving app performance by 40%. • Delivered 50+ App Store & Google Play releases, managing configs & communica-on. • Built new features, improved UI, and resolved client/Sentry-reported issues. • Collaborated with 15-member cross-func-onal team (frontend, backend, designers). • Developed a custom UI library with Storybook

React.jsReact.js
TypeScriptTypeScript
React NativeReact Native
GraphQLGraphQL
Redux.jsRedux.js
3+

Mobile Engineer

Obeyo, Rotterdam, Netherlands
Real Estate
Jun 2022 - Sep 2022 · 3m
  • Increased performance, reliability, and usability by writing unit tests which help to end 90% of bugs before submitting the app.
  • Increased speed of deployment by up to 50% by using GitHub actions CI/CD pipeline.
  • Implemented web socket for sending and receiving real-time messages in 3 different action types.
  • Collaborated with a team of 6 developers and UX/UI designers.
React NativeReact Native
Socket.ioSocket.io
GraphQLGraphQL
Unit Testing
ExpoExpo
AWS CognitoAWS Cognito

Mobile Engineer

Happy Swedes AB, Stockholm, Sweden
Mar 2020 - Dec 2021 · 1y 9m
  • Set Up 4 rebase authentication methods, including email and password, Gmail, Facebook, and apple account.
  • Developed full-featured chat using Google cloud function, including 14 features.
  • Integrated Google Maps API to measure the distance between 2 users.

Mobile Engineer and Team Lead

Happy Swedes AB, Stockholm, Sweden
Social Media
Mar 2020 - Dec 2021 · 1y 9m

Happy Swedes is a data-driven community management platform helping community managers build more privacy, empathy, and meaningful connections between online and offline communities through more than 200 interests.

  • Set up 4 rebase authentication methods, including email and password, Gmail, Facebook, and Apple account.
  • Developed a full-featured chat using Google Cloud functions, including 14 features.
  • Integrated Google Maps API to measure the distance between 2 users.
  • Developed the landing page and back-office website with React.js
React.jsReact.js
React NativeReact Native
Redux.jsRedux.js
FirebaseFirebase
Google MapsGoogle Maps
Freelancer

Mobile Engineer

Freelancer
HR and Recruitment
Sep 2019 - Mar 2020 · 6m

Twitto helps users to share customized tweets (including 12 ready-to-use templates) on other social networks.

  • Utilized 4 Twitter APIs to fetch tweets and users' account details.
  • Integrated in-app purchase feature, including three subscription packages and a lifetime product.
  • Developed four sharing modules, including Instagram feed, Instagram story, device gallery, and Whatsapp.
React NativeReact Native
ExpoExpo
Freelancer

Mobile Engineer

Freelancer
Crowdsourcing
Dec 2018 - Jun 2019 · 6m
  • Utilized 4 Twitter APIs to fetch tweets and users' account details.
  • Integrated in-app purchase feature, including three subscription packages and a lifetime product.
  • Developed four sharing modules, including Instagram feed, Instagram story, device gallery, and Whatsapp.
React NativeReact Native

Certificates 2

Store Listing CerticateGoogle Play Academy
Udemy
React Native Design PatternsUdemy
Store Listing CerticateGoogle Play Academy
Do you want to know more about Alireza’s certifications?Book a call

Portfolio 5

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Education

Universiti Tenaga Nasional
Universiti Tenaga Nasional
Engineering/Industrial Management2011 - 2013
Shahid Beheshti University
Shahid Beheshti University
Electrical and Electronics Engineering1998 - 2003

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