Vikrant Kumar

Vikrant Kumar Email and Phone Number

Software Engineer - 2 @ Rakuten
Tokyo, JP
Vikrant Kumar's Location
Tokyo, Japan, Japan
About Vikrant Kumar

As a passionate Software Engineer specializing in both frontend and backend development, I thrive at the intersection of technology and user experience. With expertise in React Native, TypeScript, Django, Nestjs and native mobile modules, I’ve successfully architected and developed complex features for applications serving millions of users, ensuring high performance and scalability.Driven by the transformative power of artificial intelligence, I currently leverage GPT technologies in my personal project, Sociolingo, to enhance user interactions and drive innovative learning experiences. I constantly explore how AI can simplify and enrich the user experience.At Rakuten Mobile, I lead a team of developers, ensuring smooth collaboration with QA and Product Owners. My problem-solving approach combines technical acumen with a commitment to delivering impactful solutions, while driving the successful delivery of critical features and hotfixes.My journey in tech is marked by quantifiable achievements, including serving 7 million users, achieving a 99.99% crash-free session rate and saving the company ¥200 million annually through effective solutions.When I’m not coding, you can find me engaging in collaborative projects, exploring the latest technological advancements. I am driven by curiosity, always eager to learn new skills and share knowledge with others.

Vikrant Kumar's Current Company Details
Rakuten

Rakuten

View
Software Engineer - 2
Tokyo, JP
Website:
rakuten.careers
Employees:
17
Vikrant Kumar Work Experience Details
  • Rakuten
    Software Engineer - 2
    Rakuten
    Tokyo, Jp
  • Rakuten
    Software Engineer - 2
    Rakuten Apr 2024 - Present
    Tokyo, Japan
    - Leading the release management process for change requests (CRs) and new features, achieving a 99.99% crash-free session rate for over 7 million users while ensuring timely updates.- Architecting and developing complex features utilizing React Native, TypeScript, and Redux for scalability and performance.- Coordinating a team of 5 developers to deliver high-impact features and address critical bugs.- Serving as the key point of contact for Product Owners and QA, maintaining clear communication between stakeholders and developers.- Reviewing code and fostering a culture of mentorship and continuous improvement.- Successfully led the transition to a future-proof architecture, reducing rework and improving the scalability of the codebase.- Tackling complex development tasks, including bridging native modules in Java and Swift/Objective-C and implement platform-specific feature.
  • Rakuten Mobile, Inc.
    Software Engineer
    Rakuten Mobile, Inc. Dec 2022 - Mar 2024
    Tokyo, Japan
    - Re-architected core and network layers using Redux-thunk for seamless handling of platform features like Global Spinner, Loader, pull-to-refresh, and complex service calls, boosting the app performance by 30%.- Successfully led the app's production launch, serving 7+ million users with 99.9% crash-free sessions, saving ¥200 million annually by eliminating third-party dependencies.- Developed key features including live chat support, payment and billing modules, and custom error-handling mechanisms.- Reviewed and optimized merge requests, maintaining high coding standards and mentoring junior developers.- Drove test case development, improving test coverage and stability for critical billing and payment modules.- Delivered the app within 8 months from scratch, resolving major bugs and overcoming a 3-year delay prior to our involvement.
  • Medicento
    Software Engineer Intern
    Medicento May 2021 - Jun 2021
    India

Vikrant Kumar Education Details

Frequently Asked Questions about Vikrant Kumar

What company does Vikrant Kumar work for?

Vikrant Kumar works for Rakuten

What is Vikrant Kumar's role at the current company?

Vikrant Kumar's current role is Software Engineer - 2.

What schools did Vikrant Kumar attend?

Vikrant Kumar attended Indian Institute Of Technology (Banaras Hindu University), Varanasi.

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