Rajkumar S.

iOS Developer

Top performer 10/10

India

Trusted member since 2022

11 years of experience

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

Mobile11 years

iOS11 years

Objective-C11 years

Swift8 years

12+

Experience5

Independent Contractor

Freelance•

HR and Recruitment

Aug 2017 · 8y 7m

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.

React Native

UIKit

Storyboard

CoreData

VSCode

Solutions Architect (iOS)

Punchh Inc.•

Customer Relationship Management (CRM)

Jul 2014 - Aug 2017 · 3y 1m

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.

React Native

UIKit

Storyboard

CoreData

Objective-C

iOS Developer

Dot Squares

Dec 2012 - Jul 2014 · 1y 7m

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.

Sr. iOS Developer

Dot Squares•

Information Technology (IT) and Services

Dec 2012 - Jul 2014 · 1y 7m

Dot Squares leverages the latest web and mobile technologies to build, grow, and support businesses with over 20 years of experience and over 1000 skilled experts and offices across UK, US, Australia, Europe, UAE, and India.

Interacted with clients to understand their requirements, conceptualized robust and scalable solutions, and developed business & enterprise mobile apps.