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Danial M.
$30/hr
100% Job Success
$100K+ earned
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🔧 Senior Full Stack Engineer | React, Next.js, Node.js, AWS Certified | OpenAI & HIPAA-Compliant App Expert Hi! I'm a Senior Full Stack Engineer with 11 years of experience building scalable, secure, and intelligent web and mobile applications. I specialize in React, Next.js, Node.js, and cloud-native development with AWS—with a strong track record of delivering HIPAA-compliant healthcare solutions and AI-powered platforms using OpenAI. 🛠️ Tech Stack: Front-end: React, Next.js, Angular, Vue.js, React Native, Redux, TypeScript, Tailwind CSS, HTML5 Back-end: Node.js, Express.js, Nest.js, Python (FastAPI) Cloud: AWS Certified (S3, EC2, Lambda, CloudWatch) Databases: MongoDB, PostgreSQL AI/ML Integration: OpenAI (ChatGPT, GPT APIs), LangChain Security: HIPAA compliance, secure architecture, data encryption, and access control 🚀 What I Bring to Your Project: Full-cycle development of web & mobile apps with clean, maintainable code Integration of AI features using OpenAI for chatbots, content generation, or automation Expertise in building privacy-first, HIPAA-compliant healthcare platforms Cloud infrastructure setup & scaling on AWS Focus on fast performance, elegant UI/UX, and strong communication Whether you're building an AI assistant, a health-tech app, or a scalable SaaS product—I’m here to help you launch quickly, securely, and with high quality. Let’s turn your vision into reality!
Sohair A.
$25/hr
100% Job Success
$600K+ earned
Available now
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With over a decade of hands-on experience in web development, I deliver comprehensive, end-to-end tested solutions with guaranteed support. I work with AI-agentic development workflows using Claude Code, Cursor, and AI agents for structured planning, implementation, and code review. I use skills-based commands and autonomous agents to plan features, manage implementation step-by-step, and maintain tight quality control through thorough human code review at every stage. This is not blind AI generation. It is disciplined, architect-led development with AI acting as a force multiplier. My core stack is Ruby on Rails (through Rails 8), leveraging Hotwire, Stimulus, and TailwindCSS for modern, server-driven user interfaces. I build scalable web applications and RESTful APIs using test-driven development (TDD). I integrate AI and ML services, including OpenAI and Claude. On the DevOps side, I work with AWS (EC2, Lambda, ECS, S3, SES, Route53, ACM, Beanstalk), Azure, and GCP. I also build serverless solutions using AWS Lambda for image processing and event-driven workflows. I follow Agile methodologies, including stand-ups, daily status updates, and professional remote and freelance work practices. Domain experience includes: 1. Learning Management and EdTech platforms 2. Event management applications 3. Healthcare applications (video calling, Stripe subscriptions) 4. CRM systems (software licensing, QuickBooks integrations) 5. Marketplaces (cart, payments) 6. Social media platforms (broadcasting, push notifications) 7. Generative AI applications. 8. Language translation applications
Sohair A. has worked .
Afraz K.
$40/hr
100% Job Success
$7K+ earned
Available now
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𝗜 𝗯𝘂𝗶𝗹𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗿𝗲𝗮𝗱𝘆 𝗔𝗜 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝗽𝗮𝘆 𝗳𝗼𝗿 𝘁𝗵𝗲𝗺𝘀𝗲𝗹𝘃𝗲𝘀: I saved a fintech client €𝟰𝟬,𝟬𝟬𝟬 𝗽𝗲𝗿 𝘆𝗲𝗮𝗿 by automating their KYC pipeline (𝟵𝟵%+ 𝗲𝘅𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆) and cut clinical documentation time by 𝟲𝟬% with an AI medical scribe inside a live EMR platform. If you have messy documents, manual workflows, or an agent or chatbot idea that needs to actually work in production, not just in a demo, I can ship it fast without sacrificing accuracy or scalability. 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 🔹 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 & 𝗠𝘂𝗹𝘁𝗶 𝗔𝗴𝗲𝗻𝘁 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: autonomous, decision making agents with LangChain, LangGraph and CrewAI that automate real backend processes: document review, support, lead handling, internal ops. 🔹 𝗥𝗔𝗚 𝗖𝗵𝗮𝘁𝗯𝗼𝘁𝘀 & 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁𝘀: retrieval augmented generation chatbots over your PDFs, docs and databases. Hybrid GraphRAG (Neo4j) plus vector search for grounded, accurate answers with strict guardrails against hallucination. 🔹 𝗢𝗖𝗥 & 𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗔𝗜: invoice, ID and form data extraction with PaddleOCR, AWS Textract, YOLO and LayoutLM. 𝟵𝟵%+ 𝗲𝘅𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆 on IDs, invoices, tables and unstructured documents. 🔹 𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲 𝗔𝗜 & 𝗘𝗠𝗥 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: HIPAA compliant medical scribes (Whisper speech to text, speaker diarization, auto generated SOAP notes and ICD 10 codes), wound analysis computer vision, clinical RAG with PII redaction. 🔹 𝗞𝗬𝗖 & 𝗜𝗱𝗲𝗻𝘁𝗶𝘁𝘆 𝗩𝗲𝗿𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻: document localization, MRZ parsing, ArcFace biometric matching, liveness detection, real time transaction risk engines. 𝗥𝗘𝗦𝗨𝗟𝗧𝗦 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗣𝗔𝗜𝗗 𝗙𝗢𝗥 €𝟰𝟬𝗞 𝗽𝗲𝗿 𝘆𝗲𝗮𝗿 𝘀𝗮𝘃𝗲𝗱: automated fintech KYC pipeline (OCR plus face match plus verification agents) 𝟲𝟬% 𝗹𝗲𝘀𝘀 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 𝘁𝗶𝗺𝗲: AI medical scribe running in a production EMR 𝟰𝟬% 𝗮𝗰𝗰𝘂𝗿𝗮𝗰𝘆 𝘂𝗽𝗹𝗶𝗳𝘁: hybrid GraphRAG retrieval for complex financial queries 𝟭𝟬𝘅 𝗳𝗮𝘀𝘁𝗲𝗿 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴: logistics and finance workflows 𝗦𝘂𝗯 𝟮𝟬𝟬𝗺𝘀 𝗿𝗲𝘁𝗿𝗶𝗲𝘃𝗮𝗹 𝗹𝗮𝘁𝗲𝗻𝗰𝘆: FastAPI microservices with Redis caching 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 Python, FastAPI, Docker, AWS, GCP | LangChain, LangGraph, CrewAI, OpenAI, Claude, Hugging Face | Pinecone, FAISS, Weaviate, Neo4j, MongoDB, Redis | OpenCV, YOLO, PaddleOCR, Tesseract, LayoutLM | PyTorch, TensorFlow 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 Fast execution with production discipline: clear milestones, regular updates, clean documented code, containerized deployment. I use modern AI dev tooling (including Claude Code) to ship in days what normally takes weeks, without cutting corners on architecture. If you want an AI system that works in production, send me an invite or message and let's scope it in a quick call. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: AI Engineer, AI Agent Developer, AI Agents, Multi Agent Systems, RAG, Retrieval Augmented Generation, Chatbot Development, LLM Integration, GPT 4o, Claude, LangChain, LangGraph, CrewAI, OCR, Document AI, Data Extraction, Computer Vision, Healthcare AI, EMR Automation, KYC Automation, Identity Verification, NLP, Python, FastAPI
Afraz K. has worked .
Abdullah S.
$35/hr
100% Job Success
$100K+ earned
Available now
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💻 6+ Years Experience Delivering Real Results | 🧠 AI SaaS, Web, Mobile & GenAI Expert |🚀 Platforms Serving 100K+ DAUs| 💰 Products Generating $7M+ ARR | 🤝 100% Satisfaction or Your Money Back, No-Risk Partnership Are you building an ambitious platform, AI SaaS, custom dashboard, marketplace, or mobile app, and need a reliable partner to bring it to life? You’re in the right place. I help startups and funded companies design, build, and scale products that users love and businesses rely on. 💡 What I Bring to the Table: ✅ All-in-One Expertise – Full stack, AI, mobile, and DevOps. I handle architecture, backend, frontend, and deployment so you don’t need 3 different freelancers. ✅ Scalable Code, Built Right – Whether 100 users or 100K, I build software that performs under load, is secure, and easy to maintain. ✅ Startup-Friendly Mindset – I’ve worked with YC-backed teams and 7-figure platforms—speed + quality matters. ✅ Clear Communication – No ghosting, no overpromising. Just transparent updates and fast iterations. ✅ AI-Powered Solutions – From custom GPT-based chatbots to intelligent dashboards and automation, I integrate AI where it creates real ROI. 🛠️ Tech Stack Mastery Frontend: React.js, Next.js, Vue.js, Angular, Tailwind, Material UI, Antd, Chakra Backend: Node.js, Express.js, NestJS, Django, FastAPI, Flask Mobile: React Native, Flutter AI / GenAI: OpenAI, Langchain, Pinecone, RAG, LLMs, Chatbots, Voice Assistants Databases: PostgreSQL, MongoDB, Firebase, Supabase, Dynamodb Cloud & DevOps: AWS (EC2, EKS, S3, Lambda), GCP (GCE, GKE, GCS, Cloud Run), Azure DigitalOcean, Vercel, Docker, Nginx, CI/CD Integrations: Stripe, Twilio, Brevo, Resend, Slack, Zapier, Hubspot, WebSockets, REST & GraphQL APIs 🚀 Highlighted Projects & Platforms ⚛️ EverstarAI Worked on Gordian app, streamlining 4M+ Nuclear Power Plant docs for NRC & DOE. Built advanced RAG/DAG pipelines with Anthropic, MongoDB, Airflow, and multi-step chat solutions. Tech: Next.js, FastAPI, AWS, GCP, Vercel, Airflow, Percona, OpenSearch, Anthropic, LangChain 🌹 LeparfumAI Master perfumers and advanced AI collaborate to craft three bespoke, ethically sourced fragrances Tech: Next.js, Flask, AWS (RDS, DynamoDB, Elastic Beanstalk), Neo4J, Pinecone, VastAI 📊 Origin Smart Controls IoT-powered platform for smart building management. Real-time dashboards and alerts based on live sensor data. Tech: Next.js, Nest.js, Digital Ocean, Vercel, MQTT 🏌️ Golf Forever Fitness training SaaS for golfers. Personalized video plans streamed to over 100K+ users. Stack: React.js, Node.js, RevenueCat, AWS 🔔 Serva AI-powered legal intake & real‑time voice assistant built for your knowledge base and seamless client onboarding. Built with: Next.js, Nest.js, Digital Ocean, Vercel, MongoDB, OpenAI, VAPI, Twilio 📱 MyPerfectAI AI tool recommend SaaS that matches users with the best tools based via task descriptions. Built with: Next.js, Nest.js, Digital Ocean, Vercel, MongoDB, OpenAI 💬 Ideal Clients 🤝 Startups launching their MVP or scaling to Series A 🤝 Founders building AI-powered apps or SaaS dashboards 🤝 Agencies needing a reliable full-stack partner 🤝 Businesses modernizing legacy platforms 🤝 Product teams looking for speed, clarity, and results ⭐️ Let’s Get Started! If you’re tired of unreliable devs, messy handoffs, or slow progress, I get it. I bring technical firepower and product intuition to ship faster, communicate better, and deliver smarter. 📩 Drop me a message with what you're building. I’m ready to jump in and make it real. Tools and Tech: React.js, Next.js, Vue.js, Angular.js, HTML, CSS, Bootstrap, Redux, MaterialUI, NextUI, Tailwind, Typescript, SASS, Python, Javascript, PHP, Django, Django Rest Framework, Node.js, Express.js, Flask, FastAPI, Websockets, Webhooks, JWT, Pandas, NumPy, AI, Artificial Intelligence, Machine Learning, LLM, ML, OpenAI, ChatGPT, Claude, Gemini, Stripe, GCP, Google Cloud Platform, AWS, SES, S3, Deep Learning, Neural Networks, Natural Language Processing (NLP), Computer Vision, Hugging Face, GPT-5, GPT-4, Data Analysis, Data Visualization, OpenCV, SpaCy, NLTK, MLOps, Docker, CI/CD Pipelines, DevOps, Microservices, RESTful APIs, GraphQL, Agile Methodologies, Test-Driven Development (TDD), Cloud Computing, Chatbot Development, Sentiment Analysis, Recommendation Systems, AI Ethics, Data Engineering, Cloud Functions, Serverless Architecture, Lambda Functions, SQL, NoSQL, MongoDB, PostgreSQL, ElasticSearch, Redis, Apache Kafka, RabbitMQ, Celery, Asynchronous Programming, Web Scraping, BeautifulSoup, Selenium, Version Control, Git, GitHub, Unit Testing, Integration Testing, Software Architecture, System Design, Scalability, Performance Optimization, Load Balancing, API Development, OAuth, Backend Development, Frontend Development, Full Stack Development, Virtual Environments, Analytics, A/B Testing, Quality Assurance, Problem Solving, Critical Thinking, Collaboration, Communication Skills, Project Management
Abdullah S. has worked .
United  S.
$20/hr
100% Job Success
$100K+ earned
Offers consultations
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I’m a highly skilled Full Stack Developer with over 4 years of experience, specializing in developing high-performance, scalable web applications. With a solid foundation in Computer Science and advanced expertise in Data Science, I bring both theoretical knowledge and practical skills to solve complex technical challenges. 🔧 Core Expertise: ✅ ✅ Programming Languages: Python, JavaScript, HTML, CSS ✅ Backend Frameworks: Django, Flask, FastAPI and Node Js ✅ Frontend Frameworks: React.js, Next.Js, Bootstrap, Material-UI ✅ API Development: RESTful APIs, GraphQL, API Design & Integration ✅ Database Management: PostgreSQL, MySQL, SQLite, MongoDB ✅ Web Scraping & Data Processing: BeautifulSoup, Scrapy, Selenium, Pandas ✅ Microservices & Containerization: Docker, Kubernetes, API Gateway ✅ DevOps & CI/CD: Docker, Kubernetes, Jenkins, GitHub Actions ✅Cloud Platforms: AWS, Google Cloud, Microsoft Azure ✅Security: SSL/TLS, OAuth, JWT, Security Best Practices ✅Testing & Debugging: Unit Testing, Selenium, Postman ✅Agile Methodology: Scrum, Kanban, Jira 🎯 Why Choose Me? I deliver clean, scalable code and innovative solutions that are tailored to your specific needs. Whether you need a robust backend, a dynamic frontend, or seamless API integration, I’ve got you covered. My experience with cloud platforms, microservices, and CI/CD pipelines ensures that your applications are not just functional but also efficient and future-proof. I’m committed to delivering high-quality solutions that drive long-term value for your projects. Educational Background: ✅ Bachelor’s Degree in Computer Science ✅ Master’s Degree in Data Science Let’s work together to bring your project to life with precision, reliability, and a focus on long-term success. I’m ready to partner with you to achieve your business goals through top-tier software development and data-driven insights.
United S. has worked .
Mohit T.
$35/hr
91% Job Success
Available now
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𝐁𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 𝐒𝐭𝐨𝐫𝐞𝐬, 𝐀𝐈 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬, 𝐒𝐚𝐚𝐒 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 & 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬 𝐓𝐡𝐚𝐭 𝐃𝐫𝐢𝐯𝐞 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐆𝐫𝐨𝐰𝐭𝐡 Senior Full Stack Engineer with 9+ years of experience building Shopify stores, AI-powered applications, SaaS platforms, and mobile apps for start-ups and growing businesses across the USA, UK, Canada, Australia, and Europe. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱: ✅ Shopify Stores & Custom Shopify Apps ✅ AI-Powered Applications & Automations ✅ SaaS Platforms & Subscription Products ✅ Mobile Apps (React Native & Flutter) ✅ Custom Web Applications ✅ Admin Dashboards & Internal Systems ✅ API Integrations & Business Automation ✅ CRM, ERP & Marketplace Solutions 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: • React.js, Next.js, Vue.js • Node.js, Express.js, Laravel • React Native & Flutter • OpenAI, AI Agents, AI Automation • Shopify, Shopify Plus, WordPress • PostgreSQL, MongoDB, Firebase • AWS, Vercel, Cloud Infrastructure 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲: ✔ Product-first thinking, not just coding ✔ Clean, scalable, maintainable architecture ✔ Strong communication and transparency ✔ Fast response and reliable delivery ✔ Long-term partnership mindset ✔ Ability to bridge technical and business requirements I don't just build features. I help businesses launch products faster, automate operations, improve customer experiences, and create technology that supports growth. If you're looking for someone who can understand both the business goals and technical challenges behind your project, let's connect. Let's build something exceptional together. Mohit T. #FullStack #React #Nextjs #Nodejs #ReactNative #MobileApps #AI #SaaS #WebDevelopment #Shopify #WordPress
Mohit T. has worked .
Jimit S.
$30/hr
100% Job Success
$400K+ earned
Available now
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👋 Hello! I am Jimit, a software engineer, Upwork Top Rated Plus, and Zend Certified engineer. My team and I build software that works. Recent Results: • Developed an insurance platform for Foresite Group (now part of Jencap Group) that processes applications 3x faster. • Built complex React frontend for Grand.io's compliance software, improving user experience better than the competition. • Created a custom CRM for Interactive Promotions Group that automated 70% of their manual data entry. • Launched an employee management platform for BrioHR used by 50+ companies across Asia. We're good at: • Building custom software that automates tedious work • Creating AI tools that actually help (not just buzzwords) • Making complex systems simple to use • Delivering on time and within budget Having over 15 years of experience in software development and successfully delivered more than 90+ projects, we have been trusted by companies worldwide, including Grand (grand.io), Interactive Promotions Group, Layson Group, FibreStream, PremAI, BrioHR, Amsyst, LearnSkin, and many others. I work with my in-house team of experienced engineers, designers, DevOps specialists, and QA professionals, committed to delivering innovative, full-stack web, mobile, and AI solutions customized to the unique needs of our clients, domains including: - SaaS CRM - eCommerce - Real Estate - Artificial Intelligence - Insurance quotation and purchase - Industrial assets management and maintenance planning - GRC (compliance management) - Dating - Education We also develop GenAI-powered RAG-based AI chatbots, enterprise search and Q&A solutions, including using multi-agent framework like AutoGen. 🔧 Tech Stack: • Backend: Laravel, Nest.js, Symfony, Python, Django, FastAPI, Python, Django, Fast API, Pandas, Pytorch, TensorFlow, Whisper, OpenCV • Frontend: React/Next.js, Angular, TypeScript, React Native • Database / Caching: MySQL, MongoDB, PostgreSQL, Redis, Supabase, Firebase • Desktop: Electron, Tauri • CSS Frameworks: Tailwind, Bootstrap • UI/UX Design: Figma 🤖 AI Tech Stack: • Models : OpenAI, Claude, Mistral, Llama, Yolo • Agentic Frameworks : CrewAI, AutoGen • AI Frameworks : LangChain, LlamaIndex, Haystack • Services : Amazon Bedrock, Danswer, Pinecone • Vector databases : Weaviate, ChromaDB, Milvus, Qdrant 🌱 Managing projects with: - Scrum and Agile methodology - Jira, Notion (we use Notion heavily), ClickUp - Slack, Skype ⚒ Development Environment and Deployment Tools: - Git, Ubuntu - CI/CD - Docker, Kubernetes - AWS, DigitalOcean, Shell scripting By leveraging the latest technologies and best practices, we build efficient and scalable solutions, always with UX-first approach. You can count on us for: ✅ MVP ✅ Full-stack development ✅ AI apps development / integration ✅ SaaS ✅ Headless CMS (Strapi) ✅ Headless e-commerce solutions (Medusa.js) ✅ Cross-Platform mobile apps ✅ AI Chatbots ✅ UI/UX design ✅ Software consulting What Clients Say: ✔ "Fantastic work ethic, meticulous about project details, always delivering on time." ✔ "Excellent communication, rapid responses, and always delivers clean code ahead of schedule." ✔ "Feels like a true extension of my project team. Trustworthy, supportive, and quick to solve problems." ✔ "A pleasure to work with from start to finish - delivers clean code on time despite the project's complexity." My success stems from a deep passion for my work and a commitment to delivering optimal solutions tailored to my clients' business needs. We can meet over a call to discuss your idea and how I can help building it. Let's connect! - Jimit
RadicalLoop
Associated with
RadicalLoop
$100K+
earned
Muhammad Awais Z.
$25/hr
100% Job Success
$60K+ earned
Available now
Offers consultations
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I’m a Full Stack Developer with 6+ years of experience in both frontend and backend development, cloud deployments, and API integrations. Whether you need a SaaS platform, custom dashboards, secure APIs, or a responsive web application, I can deliver end-to-end solutions that are scalable, secure, and built to grow with your business. 🔹 My Expertise Includes: - Frontend: React.js, Next.js, Vue.js, TypeScript, TailwindCSS - Backend: ASP.NET Core, Django, Node.js, REST API, GraphQL - Databases: SQL Server, PostgreSQL, MySQL, MongoDB, Firebase, Supabase - APIs: Google APIs, Stripe, PayPal, Twilio, 2Checkout - Cloud & DevOps: AWS (Lambda, EC2, S3), Docker, Supabase, Google Cloud - Authentication & Security: OAuth, JWT, Firebase Auth, Supabase Auth 🔹 What I Can Help You With - Full-cycle web development (Frontend + Backend) - Building MVPs, SaaS Applications, Marketplaces - Setting up secure API integrations and cloud-based infrastructures - Building real-time apps, dashboards, and custom workflows - Database design, optimization, and cloud deployments 🚀 Why Clients Choose Me - 6+ years of hands-on experience across multiple tech stacks - Focus on scalable, secure, and future-ready applications - Clear project communication, structured delivery, and client success focus Need a reliable full-stack developer to turn your idea into a reality? Let’s work together! 🚀
Muhammad Awais Z. has worked .
Techlign
Associated with
Techlign
$20K+
earned
Harris K.
$25/hr
100% Job Success
$4K+ earned
Available now
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I build AI platforms that handle real calls, real transactions, and real users — not demos. Right now I lead development on two production AI platforms: → UseCortana | Multi-channel AI agent SaaS (phone, SMS, WhatsApp, email, web). 50+ deployed agents, 5,000+ monthly calls, <200ms latency. I built the voice infrastructure (LiveKit, Twilio SIP, Deepgram, ElevenLabs), durable workflow orchestration (Temporal), RAG memory (Pinecone), multi-LLM routing (OpenAI, Anthropic, Google), and the full Next.js client dashboard. → VoiceCake | Bespoke AI voice agents for businesses across dental, HVAC, hospitality, and retail. Custom voice dialects, 24/7 call handling, appointment booking, CRM integrations (Salesforce, HubSpot, Zendesk, Zoho), WhatsApp Business API, website widget. HIPAA-aware, GDPR-compliant, AES-256 encrypted. Clients go live in 7–14 days. Previously: RLHF on Google Gemini (Turing), fintech dashboards tracking $2M+/day (FireDev), Fortune 500 bank modernization (SMBC Japan), and team lead for 8+ production apps (Stampa Solutions). What I deliver: → AI voice agent systems (outbound, inbound, live transfers, multi-dialect) → Multi-channel AI platforms (phone + SMS + WhatsApp + email + web) → B2B SaaS with LLM integration and agentic workflows → Internal dashboards with real-time analytics and reporting → Document processing, structured data extraction, compliance tools → MVP builds — prototype to production in 4–8 weeks Stack: React, Next.js, TypeScript, Python, FastAPI, Node.js, PostgreSQL, Redis, AWS, Docker, LiveKit, Twilio, Deepgram, ElevenLabs, OpenAI, Anthropic, Pinecone, Temporal. 40+ hrs/week. Ship first, polish second, document always. Core Expertise Keywords you can find me on: Full Stack Developer, AI Engineer, Machine Learning Engineer, Agentic AI Developer, Conversational AI Engineer, Web Application Developer, AI/ML Full Stack Engineer, LLM Engineer, AI/ML Solutions Architect, OpenClaw, ClaudeCode. React.js Developer, Next.js Developer, Angular Developer, TypeScript Developer, JavaScript Developer, Frontend Engineer, UI/UX Development (Figma to React/Angular), API Integration Specialist, MERN/MEAN Python Developer (FastAPI / Flask / Django), Node.js Developer, AWS Developer (DynamoDB, Lambda, S3, Cognito), Supabase Developer, PostgreSQL Database Design, API Developer (RESTful / WebSocket APIs), Cloud-Native Application Developer.
Harris K. has worked .
$15.5/hr
100% Job Success
$30K+ earned
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As a Senior Software Engineer with 5 years of experience, I bring a strong background in system design, development, and server deployment. My expertise lies in Python, Django, and Flask, where I focus on optimizing complex queries and building scalable applications. I’m skilled in developing APIs, integrating third-party services, and managing asynchronous tasks. With proven experience deploying applications on AWS and DigitalOcean. Additionally, I have a solid foundation in microservices architecture, delivering high-performance solutions within agile environments My goal is to do something with time and honesty while maintaining quality.
Ariful I. has worked .