Rajkumar S.

Sr. iOS Developer

Rajkumar is a pixel-oriented mobile developer with over a decade of rock-solid experience building mobile applications natively using Swift/Objective-C and React Native.

He is a self-starter with a strong emphasis on pixel-perfect designs and clean, highly performant logic implementations. He understands coding practices (SOLID, DRY, KISS) and SDLC and has a keen interest in mobile development.

He is a valuable asset to any team as he can suggest brilliant solutions from his professional perspective.

Main expertise

  • Mobile 10 years
  • iOS
    iOS 10 years
  • Objective-C
    Objective-C 10 years

Other skills

  • Firebase
    Firebase 5 years
  • REST API
    REST API 4 years
  • Figma
    Figma 4 years
Rajkumar

Rajkumar S.

India

Book Rajkumar S.

Selected experience

Employment

  • Independent Contractor

    Freelance - 5 years 9 months

    • Worked as an independent contractor/principal iOS engineer for multiple early-stage startups based in USA, Europe & India.

    • Responsible for architecture, development, delivery, and maintenance of mobile applications using Swift & react-native.

    • Collaborated with product, backend, and design teams to define & design cutting-edge features.

    • Startups he has consulted;

    • MyYogaTeacher

    • Medit

    • Marsplay

    • Unlu

    • Calm Sleep

    • Godly.cloud

    • Heyo

    Technologies:

    • Technologies:
    • Mobile
    • iOS iOS
    • Swift Swift
    • React Native React Native
    • Redux.js Redux.js
    • TypeScript TypeScript
    • UIKit UIKit
    • CoreData CoreData
    • Firebase Firebase
    • VSCode VSCode

  • Solutions Architect (iOS)

    Punchh Inc. - 3 years 1 month

    • Created native (Objective-C & Swift) Punchh framework, which is used in over 200 white-labeled applications with over 5 million overs.
    • https://punchh.com

    Technologies:

    • Technologies:
    • Mobile
    • iOS iOS
    • Objective-C Objective-C
    • Swift Swift
    • React Native React Native
    • UIKit UIKit
    • CoreData CoreData
    • Firebase Firebase

  • Sr. iOS Developer

    Dot Squares - 1 year 7 months

    • Interacted with clients in understanding their requirements, conceptulised robust and scalable solutions and developed business & enterprise mobile apps.

    Technologies:

    • Technologies:
    • iOS iOS
    • Swift Swift

  • iOS Developer

    Konstant Info Solutions - 9 months

    • Worked as a part of development team building iOS applications using Objective-C.

    Technologies:

    • Technologies:
    • iOS iOS
    • Objective-C Objective-C

Education

  • MSc.Computer Applications

    Sikkim Manipal University · 2010 - 2012

  • BSc.Computer Applications

    Jai Narain Vyas University · 2007 - 2010

Portfolio

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  • porfolio-1
  • porfolio-2
  • porfolio-3

Find your next developer within days, not months

We can help you deliver your product faster with an experienced remote developer. All from 32.90 €/hour. Only pay if you’re happy with your first week.

In a short 25-minute call, we would like to:

  • Understand your development needs
  • Explain our process to match you with qualified, vetted developers from our network
  • Share next steps to finding the right match, often within less than a week

Not sure where to start?

Let’s have a chat

First developer starts within days. No aggressive sales pitch.