Sagar S.
Mobile App & Full Stack Developer | Flutter | React Native | MERN/ AN
Hi, I am a full stack developer with 9+ years of experience helping startups and businesses build mobile apps, web platforms, and backend systems that are reliable, scalable, and aligned with business goals. My expertise combines modern mobile development with full stack JavaScript technologies, allowing me to build complete end-to-end solutions from frontend user experience to backend architecture and APIs. Mobile Development • Flutter App Development • React Native Development • Native iOS & Android Apps • Firebase Integration • Real-Time Features & Notifications • App Optimization & Bug Fixing Full Stack Development • MERN Stack Development • MEAN Stack Development • REST APIs & Third-Party Integrations • Admin Panels & Dashboards • Scalable Backend Architecture • Cloud & Database Integration Technologies: Flutter • React Native • Swift • Kotlin • MongoDB • Express.js • Angular • React.js • Node.js • Firebase • REST APIs I enjoy working closely with clients to understand the product vision, simplify technical decisions, and build solutions that are practical, scalable, and user-friendly. Clients usually appreciate my communication, problem-solving mindset, and ability to contribute beyond just development tasks. If you are planning to build or scale a mobile or web platform I would be happy to connect and discuss your project.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $633
Billed in all: $5,722$5.7k
$633 in the last 6 months
Earnings, last 30 days
Skill rankings: Top 25% in Swift
Ranked by MRR among everyone on Upwork with the skill.
- #44Native App125 freelancers · 🇮🇳 #16Top 35%🇮🇳#16 of 47
- #59Application217 freelancers · 🇮🇳 #18Top 27%🇮🇳#18 of 64
- #362Smartphone995 freelancers · 🇮🇳 #92Top 36%🇮🇳#92 of 246
- #466Hybrid App Development1,431 freelancers · 🇮🇳 #177Top 33%🇮🇳#177 of 581
- #716Agile Project Management2,735 freelancers · 🇮🇳 #82Top 26%🇮🇳#82 of 344
- #804Kotlin3,021 freelancers · 🇮🇳 #265Top 27%🇮🇳#265 of 1,034
- #910Swift3,634 freelancers · 🇮🇳 #304Top 25%🇮🇳#304 of 1,276
- #1,046CI/CD3,691 freelancers · 🇮🇳 #215Top 28%🇮🇳#215 of 737