Karamjit S.
Senior Web & Mobile App Developer | AI/ML Expert
A results-oriented Full Stack Web & Mobile Developer with 10+ years of experience delivering high-impact, scalable digital products. I specialize in crafting user-centric solutions, from sleek mobile experiences to robust web applications and intelligent AI-powered tools, driving tangible business outcomes. My experience spans the full development lifecycle for startups and established companies, encompassing cross-platform apps, web portals, SaaS solutions, and e-commerce platforms. I am proficient in React, Node.js, Flutter, Swift, Kotlin, and leveraging cloud platforms like AWS and Firebase for secure and scalable deployments. Furthermore, I integrate AI/ML capabilities, including recommendation systems and NLP-powered chatbots, to enhance product intelligence and automation. 🌟 𝐈𝐟 𝐲𝐨𝐮𝐫 𝐠𝐨𝐚𝐥𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠: • A modern and performant web or mobile MVP using technologies like React, Next.js, Swift, Kotlin, Flutter, or React Native • A scalable SaaS platform featuring AI-driven automation, subscription billing, and multi-tenant architectures • An innovative AI/ML-powered application for functionalities such as OCR, face detection, sentiment analysis, or intelligent chatbots • A reliable and real-time system backed by Firebase or AWS, utilizing cloud functions and offline synchronization • Or modernizing your existing legacy product into a high-performance full stack solution... You've come to the right place. 🌟 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐢𝐞𝐬: • Frontend Development: React.js, Next.js, Angular, Vue.js, Tailwind CSS, TypeScript, HTML5, CSS3 • Backend Development: Node.js (Express.js, NestJS), PHP (Laravel), Firebase Functions, RESTful APIs, GraphQL • Mobile App Development: React Native, Flutter, Dart, Kotlin, Swift, CI/CD pipelines for iOS & Android • Database Management: MongoDB, PostgreSQL, MySQL, Firebase Firestore, Firebase Realtime Database, DynamoDB • AI/ML & Data Science Expertise: Python (Pandas, NumPy, Scikit-learn), OpenCV, TensorFlow, PyTorch, Hugging Face Transformers, FastAPI; Applications in OCR, facial recognition, NLP-based chatbots, recommendation systems, sentiment analysis, predictive analytics • DevOps & Cloud Technologies: AWS (EC2, S3, Lambda), Google Cloud Platform (Firebase, GCP Functions), Azure, Docker, GitHub Actions, Bitbucket Pipelines, Nginx • Testing & Quality Assurance: Jest, Mocha, Postman, Manual Testing, Integration Testing, Firebase Test Lab 🌟 𝗧𝗼𝗼𝗹𝘀: Version Control: Git (GitHub, GitLab, Bitbucket) Project Management: Jira, Asana, Monday, Trello, Linear, Notion Communication: Upwork or any other platform post-contract 📞 𝗟𝗲𝘁'𝘀 𝗪𝗼𝗿𝗸 𝗧𝗼𝗴𝗲𝘁𝗵𝗲𝗿: I'm committed to building long-term relationships with my clients. Whether you need help with a new project or want to improve an existing one, I'm here to assist you. Let's schedule a call to discuss your goals and explore how I can help.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $9.3k
Billed in all: $46,958$47k
$9.3k in the last 6 months
Across 10 contracts
Earnings, last 30 days
Skill rankings: Top 6% in Web & Mobile Design Consultation
Ranked by MRR among everyone on Upwork with the skill.
- Oracle Enterprise Service Bus27 freelancers · 🇮🇳 #1Top 7%🇮🇳#1 of 8
- #43AWS Amplify524 freelancers · 🇮🇳 #8Top 8%🇮🇳#8 of 132
- #50Web & Mobile Design Consultation784 freelancers · 🇮🇳 #8Top 6%🇮🇳#8 of 120
- #336Mobile App3,535 freelancers · 🇮🇳 #81Top 10%🇮🇳#81 of 949
- #423Android4,975 freelancers · 🇮🇳 #108Top 9%🇮🇳#108 of 1,597
- #688iOS Development6,533 freelancers · 🇮🇳 #205Top 11%🇮🇳#205 of 2,286
- #1,142Data Analysis14,625 freelancers · 🇮🇳 #69Top 8%🇮🇳#69 of 1,102