Roushan Kumar

Roushan Kumar

(He/Him)

CTO | Mobile App Developer | React Native | Flutter | iOS | Android | Full Stack Mobile Development | REST APIs

Codequery Technology Rajasthan Technical University Patna, Bihar, IndiaContact info
1,408 followers500+ connections
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About

Building on my foundation in IT services and digital marketing, I've successfully transitioned into mobile app development at GhostingTech. Leveraging my technical background in Computer Science (B.Tech, CSE) and previous experience in SEO and digital marketing, I now lead the development of innovative mobile solutions that bridge business needs with user experience. This unique combination of marketing insight and technical expertise allows me to create apps that are not only functionally robust but also optimized for market visibility and user engagement.

Role Evolution & Expertise

My journey from SEO to mobile development demonstrates my adaptability in the tech industry. At GhostingTech, I've evolved from optimizing web presence to architecting complete mobile solutions using React Native and Flutter. I spearhead the development of the company's service marketplace platform, implementing critical features like real-time tracking, payment integration, and automated business processes. My previous experience managing 100+ SEO projects has enhanced my ability to understand client requirements and deliver solutions that align with business objectives, maintaining a consistent 4.5+ star rating across app stores.

Impact & Future Direction

Combining my SEO background with current mobile development expertise, I've created a unique approach to app development that considers both technical excellence and market visibility. Key achievements include reducing app loading times by 40%, implementing features leading to 30% user growth, and maintaining 99.9% crash-free sessions. Looking ahead, I'm focused on integrating emerging technologies with mobile solutions while leveraging my digital marketing background to ensure our apps not only function flawlessly but also achieve maximum market penetration.

Technical Highlights:

  • Full-stack mobile development (React Native, Flutter)
  • API integration and backend development
  • Real-time feature implementation
  • Performance optimization
  • SEO-friendly mobile app architecture

Featured

KML Generator - Flutter App

Generates KML files for Google Earth/Maps. Features CSV import and Google Places integration.

View on GitHub
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Experience

Chief Technology Officer

Codequery Technology · Full-time

Jun 2025 - Present · 7 mos

Patna, Bihar, India · On-site

Technology Leadership

App Developer

Codequery Technology · Full-time

Feb 2025 - Apr 2025 · 3 mos

Patna, Bihar, India · On-site

👨‍💻 What I Do: I design and develop mobile apps that work smoothly on Android and iOS using React Native and Flutter.

🚀 My Skills & Responsibilities:

  • Build and maintain mobile apps for Android & iOS
  • Work with REST APIs to connect apps with databases
  • Create beautiful and easy-to-use UI/UX
  • Improve app speed and performance
  • Use Firebase, Payment Gateways, Google Maps, Push Notifications
GT

App Developer

Ghosting Tech · Full-time

Dec 2024 - Jan 2025 · 2 mos

Patna, Bihar, India · On-site

Spearheaded development of innovative mobile solutions using React Native and Flutter. Built Service Provider Marketplace platform. Implemented real-time tracking, payment gateways, and automated systems.

GT

Search Engine Optimization Executive

Ghosting Tech

Mar 2024 - Jan 2025 · 11 mos

Executed comprehensive SEO strategies, keyword research, and page optimization. Improved search rankings and organic traffic.

MM

Search Engine Optimization Analyst

Mind Mingles · Full-time

Feb 2024 - Apr 2024 · 3 mos

Delhi, India · Remote

Responsible for optimizing clients' websites for higher rankings. Competitive analysis, on-page/off-page optimization, and reporting.

Fi

Freelance

Fiverr · Full-time

Jan 2021 - Jan 2024 · 3 yrs 1 mo

India · Remote

Provided customized SEO services, keyword research, and strategies for diverse clients. Completed 100+ projects.

Education

Rajasthan Technical University

Bachelor of Technology - BTech, Computer Science and Engineering

Aug 2017 - Aug 2021

Developed strong foundation in CS principles. Work included Data Structures, Algorithms, Web Development. Final year project: SEO automation tool.

The Earth Public School - India

Intermediate, Science

May 2014 - May 2016

Top Skills

React Native
Flutter
Next.js
Node.js
SEO
Mobile App Development
Python
Java
JavaScript

Certifications

11 Weeks Workshop on DSA

GeeksforGeeks

Issued Feb 2021

C++ Productivity Hacks

GeeksforGeeks

Issued Feb 2021

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