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I am a results-driven software developer with more than a decade of experience in designing, developing, testing, and deploying high-performance mobile applications across iOS and Android platforms. I have a strong aptitude for creating intuitive, user-centric applications that exceed performance expectations. I thrive in challenging environments and constantly seek opportunities to explore, adopt, and integrate emerging technologies and best practices. My passion for continuous professional development keeps me at the forefront of mobile development, enabling me to contribute innovative solutions to every team and project I am a part of.…I am a results-driven software developer with more than a decade of experience in designing, developing, testing, and deploying high-performance mobile applications across iOS and Android platforms. I have a strong aptitude for creating intuitive, user-centric applications that exceed performance expectations. I thrive in challenging environments and constantly seek opportunities to explore, adopt, and integrate emerging technologies and best practices. My passion for continuous professional development keeps me at the forefront of mobile development, enabling me to contribute innovative solutions to every team and project I am a part of.

Vishnu Sasikumar

App Developer, Developer, Programmer, +3

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I am a results-driven software developer with more than a decade of experience in designing, developing, testing, and deploying high-performance mobile applications across iOS and Android platforms. I have a strong aptitude for creating intuitive, user-centric applications that exceed performance expectations. I thrive in challenging environments and constantly seek opportunities to explore, adopt, and integrate emerging technologies and best practices. My passion for continuous professional development keeps me at the forefront of mobile development, enabling me to contribute innovative solutions to every team and project I am a part of.…I am a results-driven software developer with more than a decade of experience in designing, developing, testing, and deploying high-performance mobile applications across iOS and Android platforms. I have a strong aptitude for creating intuitive, user-centric applications that exceed performance expectations. I thrive in challenging environments and constantly seek opportunities to explore, adopt, and integrate emerging technologies and best practices. My passion for continuous professional development keeps me at the forefront of mobile development, enabling me to contribute innovative solutions to every team and project I am a part of.

Available to hire

I am a results-driven software developer with more than a decade of experience in designing, developing, testing, and deploying high-performance mobile applications across iOS and Android platforms. I have a strong aptitude for creating intuitive, user-centric applications that exceed performance expectations.

I thrive in challenging environments and constantly seek opportunities to explore, adopt, and integrate emerging technologies and best practices. My passion for continuous professional development keeps me at the forefront of mobile development, enabling me to contribute innovative solutions to every team and project I am a part of.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Malayalam

Fluent

English

Fluent

Tamil

Fluent

Telugu

Fluent

Work Experience

Sr. IOS Developer at Catch Design, Auckland

May 1, 2025 - August 1, 2025

Develop and maintain iOS applications using Swift, UIKit, and SwiftUI with MVVM architecture. Build modern user interfaces with reactive programming, configure CI/CD pipelines, integrate RESTful APIs, leverage Firebase services, implement secure authentication workflows, deploy Fastlane for automation, use development tools for consistency, write unit tests, and implement features such as MapKit and deep linking to improve user experience and retention.

Sr. IOS Developer at Genesis Ltd, Auckland

April 1, 2025 - May 31, 2025

Assessed and prioritized technical debt, refactored legacy Objective-C/Swift code, improved build times, modularized codebase, documented hotspots, created transitional interfaces for legacy compatibility, supported CI/CD updates, participated in sprint planning and decision-making, conducted code reviews, collaborated cross-functionally, produced technical documentation, and led knowledge transfer workshops.

Sr. IOS Developer at Fiserv Ltd, Auckland

March 31, 2025 - July 25, 2025

Led design and development of iOS applications using SwiftUI and UIKit with MVVM architecture focusing on scalability and maintainability. Collaborated with Enterprise Architect for reusable components, defined technical direction, built responsive user interfaces, optimized performance, employed debugging best practices, collaborated with cross-functional teams, ensured regulatory compliance, and advocated test-driven development with comprehensive testing.

Sr. IOS Developer at Genesis Energy, Auckland

April 30, 2024 - July 25, 2025

Designed and implemented EV charging session support via third-party APIs, implemented background updates and push notifications, developed carbon emissions calculation system, built dashboards for analytics and environmental impact, integrated energy provider APIs, collaborated with sustainability analysts and UI designers, ensured secure and fault-tolerant integrations, led mobile innovation initiatives, optimized CI/CD pipelines, and enhanced user experience with data visualization focused on financial applications.

Sr. Mobile Application Developer at BidFood Ltd, Auckland

December 31, 2021 - July 25, 2025

Led architectural design and development of iOS applications, ensuring clean, modular code aligned with best practices. Participated actively in Agile development, spearheaded migration from MVC to MVVM architecture, integrated third-party payment SDKs and Google Analytics, contributed to CI/CD pipeline optimization, demonstrated strong problem-solving, collaborated cross-functionally, and pursued continuous personal and professional growth.

Mobile Application Developer at Virtual Tag, Auckland

April 30, 2017 - July 25, 2025

Architected scalable iOS application for field personnel management with real-time data integration. Designed modular architecture for multi-site operations and flexible user roles, implemented health check-ins, symptom tracking, geofencing, location tracking, synced data with central dashboards, designed role-based access control for sensitive data, developed core foundational applications, middleware for account management, collaborated on heart rate monitor app using machine learning, and utilized version control and project management tools.

Mobile Application Developer at Just Call Infoservice, Kerala, India

November 1, 2013 - November 30, 2015

Led design, development, and deployment of mobile applications for Android and iOS, managed developer teams, proposed and implemented secure cloud storage with SQLite and AES encryption, collaborated cross-functionally for Yellow Pages sector apps, ensured compliance with data privacy and security standards, and defined cross-platform database architecture for consistent and scalable mobile integration.