Rajkumar S.

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.

With a self-starting attitude, he greatly emphasizes delivering pixel-perfect designs and implementing clean, highly performant logic. He possesses a comprehensive understanding of coding best practices such as SOLID, DRY, and KISS principles, as well as the Software Development Life Cycle (SDLC). Mobile development is a particular area of interest for him, reflecting his passion for the field.

His professional perspective is invaluable to any team, as he consistently provides brilliant solutions and insights.

Main expertise
  • Mobile 11 years
  • iOS
    iOS 11 years
  • Objective-C
    Objective-C 11 years
Other skills
  • REST API
    REST API 9 years
  • Firebase
    Firebase 6 years
  • TypeScript
    TypeScript 4 years
Rajkumar
Rajkumar S.

India

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Selected experience

Employment

  • Independent Contractor

    Freelance - 7 years 4 months

    • Worked as an independent contractor/principal iOS engineer for multiple early-stage startups in the 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.

    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

    • Spearheaded the creation of the native Punchh framework utilizing Objective-C and Swift programming languages.
    • The framework has been successfully integrated into over 200 white-labeled applications, boasting a user base exceeding 5 million individuals.

    Technologies:

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

    Dot Squares - 1 year 7 months

    • Engaged with clients to comprehensively understand their specific requirements and needs.
    • Formulated robust and scalable solutions by conceptualizing innovative approaches.
    • Developed business and enterprise mobile applications that aligned with clients' objectives and exceeded their expectations.

    Technologies:

    • Technologies:
    • iOS iOS
    • Swift Swift
  • iOS Developer

    Konstant Info Solutions - 9 months

    • Collaborated as a valued development team member, actively involved in creating 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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  • Understand your development needs
  • Explain our process to match you with qualified, vetted developers from our network
  • You are presented the right candidates 2 days in average after we talk

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