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Sheik S.
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Sheik S.

Expert Web and Mobile Full Stack Developer with Extensive Experience

With over 13 years of extensive experience in Native (iOS/Android) and Hybrid (iOS/Android) Mobile Application Development, Custom Web Development, and AI solutions, I specialize in delivering high-quality, user-centric apps and websites that are perfectly tailored to your needs. My expertise extends to integrating advanced AI technologies to enhance functionality, improve user experiences, and drive business success. Since the beginning of my career in mobile and web app development, I’ve dedicated myself to crafting clean, efficient code and delivering visually appealing, functional designs. I’m passionate about building simple yet powerful products, and I’m committed to making your ideas come to life. 𝐌𝐲 𝐤𝐞𝐲 𝐬𝐤𝐢𝐥𝐥𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞: 𝐍𝐚𝐭𝐢𝐯𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Apple X-Code, Android Studio, Database Administration 𝐇𝐲𝐛𝐫𝐢𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Flutter 𝐁𝐚𝐜𝐤-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Node.js, Python, Java and respective latest Frameworks 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: React.js, Vue.js, Next.js, Redux, TypeScript, Vue Router 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: MySQL, MongoDB, PostgreSQL, Firebase, SwiftData, 𝐕𝐞𝐜𝐭𝐨𝐫 𝐝𝐚𝐭𝐚𝐛𝐚𝐬𝐞, Redis 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: REST, Google Map, Geofence, Geolocation, Camera API, Audio/Video streaming, Chromecast, Stripe, PayPal, Facebook, Google, Firebase, Sentry, Amazon Web Services (AWS), and more 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 𝐒𝐃𝐊𝐬: Facebook, Twitter, LinkedIn, Instagram 𝐏𝐮𝐬𝐡 𝐍𝐨𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Google Cloud Messaging, Pushwoosh Integration, Firebase 𝐂𝐑𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: Capsule CRM, Salesforce CRM Barcode/QR Scanners, In-App Purchases 𝐓𝐨𝐨𝐥𝐬: Jira, Trello, WebStorm, VS Code 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥: GitHub, Bitbucket, GitLab 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐢𝐧 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞 𝐟𝐨𝐫 𝐛𝐚𝐜𝐤𝐞𝐧𝐝, 𝐚𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐝𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭. 𝐀𝐈 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: OpenAI (ChatGPT API), LangChain, TensorFlow, Keras. 𝐀𝐳𝐮𝐫𝐞 𝐀𝐈 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: Document Intelligence, Vision, Speech, AI Search. 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐝 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: 𝐑𝐞𝐚𝐥 𝐄𝐬𝐭𝐚𝐭𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Custom platforms for property management, listings, and transactions. 𝐎𝐧𝐥𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: Development of eLearning systems, LMS, and interactive learning experiences. 𝐂𝐑𝐌 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Tailored CRM solutions to enhance customer relationships and business processes. 𝐂𝐮𝐬𝐭𝐨𝐦 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Scalable and efficient enterprise-level software to meet specific business needs. 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬𝐢𝐧𝐠 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Secure and seamless integration for online payment gateways and financial transactions. 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 & 𝐃𝐚𝐭𝐢𝐧𝐠 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Innovative platforms for social networking and online dating services. 𝐑𝐞𝐭𝐚𝐢𝐥 & 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: End-to-end solutions for online retail, marketplace development, and product management systems. 𝐀𝐈 & 𝐈𝐨𝐓 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐯𝐢𝐭𝐲 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Advanced backend systems integrating AI and IoT for smart devices and data processing. 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞, 𝐅𝐢𝐭𝐧𝐞𝐬𝐬 & 𝐅𝐢𝐧𝐚𝐧𝐜𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Specialized applications for healthcare management, fitness tracking, and financial services. 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐏𝐨𝐫𝐭𝐚𝐥𝐬 & 𝐈𝐝𝐞𝐧𝐭𝐢𝐭𝐲 𝐀𝐜𝐜𝐞𝐬𝐬 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Development of secure portals with user authentication and role-based access control. 𝐎𝐧-𝐃𝐞𝐦𝐚𝐧𝐝 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Scalable solutions for industries such as food delivery, taxi booking, home services, beauty salons, laundry, and more. 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧: Clear and efficient communication is key to any successful project. With a strong command of English and excellent communication skills, we’ll be able to collaborate seamlessly, ensuring your vision is brought to life. 𝐏𝐨𝐬𝐭-𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐒𝐮𝐩𝐩𝐨𝐫𝐭: I offer one year of free support after the project is completed, ensuring your application runs smoothly. For ongoing support, I offer affordable maintenance packages, providing peace of mind well beyond the first year. In addition to my technical expertise, I pride myself on excellent communication skills. I’m fluent in English, ensuring smooth collaboration and effective exchanges of ideas throughout the project.

🇮🇳Sundernagar, India$15/hr100% JSS4.91 (21)Since Oct 2016

Earnings and projects

MRR
$2.3k

Last 6 months ÷ 6

World#19,236 / 412k
🇮🇳Country#2,446 / 45.9k
Revenue, last 30 days
$3k

Last 6 months: $14k

World#12,902 / 412k
🇮🇳Country#1,626 / 45.9k
Total earnings
$116k

Billed in all: $118k

World#32,984 / 412k
🇮🇳Country#5,316 / 45.9k
Per project
$4.3k

$6.8k in the last 6 months

World#40,259 / 412k
🇮🇳Country#4,517 / 45.9k
Projects, last 6 months
2
50% fixed50% hourly
World#88,918 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
27

Across 36 contracts

25% fixed75% hourly
World#106,301 / 412k
🇮🇳Country#15,916 / 45.9k

Earnings, last 30 days

$118k+$3k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$114k$116k$118k$120kOct 8Oct 23Nov 7

Skill rankings: Top 2% in Android Studio

Ranked by MRR among everyone on Upwork with the skill.

  1. #19Android Studio805 freelancers · 🇮🇳 #7Top 2%
  2. #46Apple Xcode881 freelancers · 🇮🇳 #17Top 5%
  3. #189Kotlin3,021 freelancers · 🇮🇳 #59Top 6%
  4. #222Mobile UI Design4,166 freelancers · 🇮🇳 #29Top 5%
  5. #249Swift3,634 freelancers · 🇮🇳 #70Top 7%
  6. #276iOS3,908 freelancers · 🇮🇳 #71Top 7%
  7. #300Android4,975 freelancers · 🇮🇳 #73Top 6%
  8. #643Mobile App Development8,511 freelancers · 🇮🇳 #176Top 8%