
Roushan Kumar
(He/Him)CTO | Mobile App Developer | React Native | Flutter | iOS | Android | Full Stack Mobile Development | REST APIs
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
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
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.
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.
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.
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
Certifications
11 Weeks Workshop on DSA
GeeksforGeeks
Issued Feb 2021
C++ Productivity Hacks
GeeksforGeeks
Issued Feb 2021
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