80+ successful clients with 100% Success Score, developed web and mobile apps for them. I offer a 💯% money-back guarantee for 2 weeks if you are not satisfied with my work. I help startups and businesses build fast, scalable, and production-ready web and mobile applications. If you are looking for a versatile development partner who can help you from brainstorming or ideation to finalising requirements, to help you during the market research phase, from the frontend to the backend, and while choosing a tech stack, I am here as a Full Stack Developer with solid experience in React, Next, Node.js, TypeScript, APIs, react native, and modern web architecture. What I can help you build Custom Web Applications Cross-Platform Mobile Apps (iOS & Android) SaaS Platforms & Admin Dashboards E-commerce Solutions REST APIs & Backend Systems Payment Gateway Integrations Real-Time Applications Cloud-Based Scalable Infrastructure Technical Expertise 🚀 Frontend: React.js, Next.js, Vue.js, TypeScript, Tailwind CSS ⚙️ Backend: Node.js, Express.js, NestJS, REST APIs, Auth Systems 📱 Mobile: React Native, iOS/Android Apps, Push Notifications 🗄️ Database: MongoDB, PostgreSQL, MySQL, Redis ☁️ Cloud: AWS, Docker, CI/CD, Vercel, DigitalOcean Also, I can help you build: ✅ SaaS Platforms ✅ Custom Web Applications ✅ Dashboards & Admin Panels ✅ Startup MVPs ✅ AI-Powered Products ✅ API Integrations ✅ Authentication Systems ✅ Payment Integrations (Stripe, PayPal, and more) ✅ Scalable Backend Systems 👉Why clients work with me: ✔ Strong communication ✔ Fast response time ✔ Reliable delivery ✔ Clean & scalable code ✔ Product-focused development Also, I have experience with blockchain-based applications, wallet integrations, and Web3 products. I have built and maintained multiple DAOs, DeFi, and Crypto wallets for my clients from the USA, Canada, the UK, Poland, Germany, Saudi Arabia, and Spain. If you are building or improving a React.js, Next.js, or Node.js application, feel free to invite me to your project. Let's connect to discuss.

I built automations that saved $48K annually for a services company. For SWITCH Conference Singapore, I automated attendee registration, email reminders, and CRM updates — reducing manual administrative work by 80% and enabling the team to focus on delivering an exceptional event experience. As an n8n expert, I create workflows that save time, reduce costs, and drive measurable growth for businesses. 🔧 Core Expertise 🤖 AI Automations & Agents: Multi-agent systems, AI customer support bots (RAG, smart routing), personalized sales video agents, newsletter & marketing agents ⚡ Workflow Automation (n8n): Advanced workflows, API integrations, conditional logic, CRM automations 🎥 Media & Marketing Automations: AI video & image generation, AI-powered logo animation, UGC ad creation pipelines, automated newsletter systems 📂 Portfolio Highlights ✉️ AI-Powered Email Support Automation with Smart Routing 💬 RAG-Pipeline Chatbot for knowledge retrieval 🎯 AI Clone for personalized sales videos 📰 Multi-Agent Newsletter System 📺 UGC Ads Factory & AI Marketing Agent 🎨 LogoRobo – AI Logo Animator 🛠 Tools & Tech Stack 🔄 n8n (workflow automation & integrations) 🧠 OpenAI / OpenRouter (GPT, LLMs, chat models) 🔍 LangChain & RAG pipelines 📊 Pinecone (vector database for embeddings & search) 🎬 HeyGen, WaveSpeed, VEO (AI video generation) 📲 Telegram Bots, Gmail API, Google Workspace I don’t just build demos — I create scalable, production-ready automations that deliver real business results.

🏆 Top Rated | ✅ 100% Job Success | 📈 10+ Years Experience I’m Shirish, an AI/ML & Python Developer and I specialize in end-to-end AI model development, LLM-powered systems, and automation, using tools like OpenAI API, ChatGPT, TensorFlow, and modern agent frameworks. *️⃣𝐖𝐡𝐚𝐭 𝐖𝐞 𝐎𝐟𝐟𝐞𝐫: End-to-End App Development Solutions Specialized Teams for Each Technology Stack Subscription Services and Loyalty Point System Features *️⃣𝐎𝐮𝐫 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Mobile App Development: Flutter, React Native, iOS (Swift, SwiftUI), Android (Kotlin) Web Development: MERN Stack (MongoDB, Express.js, React, Node.js), PHP, VueJS, Laravel, Angular, HTML/CSS Cross-Platform Development: Ionic Cloud Services: AWS, Google Cloud, Firebase (Authentication, Analytics, API Development, Cloud Functions, Serverless Computing) *️⃣𝐊𝐞𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬: Over 100 global clients More than 81 successfully completed projects Skilled and knowledgeable developers in their respective domains Focus on scalable, secure, and high-quality solutions *️⃣𝐑𝐞𝐜𝐞𝐧𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬: CloudxWise AI: AI-Powered Local Multi-Document Chatbot Using LLMs Developed and deployed a secure, enterprise-ready SaaS platform allowing users to upload and interact with their documents (PDF, DOCX, TXT) through an intelligent AI chatbot. Engineered the backend using Large Language Models (LLMs) and Chroma vector storage to provide fast, accurate, and context-aware answers, significantly improving user workflow and data analysis efficiency. AI Cold Caller: Automated Voice Calling Agent using OpenAI, Deepgram, and Twilio Architected an AI-driven outbound voice agent for lead generation and customer support, creating a custom service with OpenAI models. Integrated Vapi and Retell AI for advanced conversational capabilities, Plivo for robust telephony, and utilized N8N for complex workflow automation. QgenX.ai: AI-Powered Question & Content Generation Platform Developed an AI platform that transforms text, URLs, and documents into diverse learning materials, incorporating Bloom's Taxonomy to generate questions across different cognitive levels. Engineered the tool to produce varied content types, including MCQs, True/False questions, summaries, and notes, to serve educators, students, and content creators. 𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 𝐢𝐧𝐭𝐨 𝐚 𝐒𝐭𝐮𝐧𝐧𝐢𝐧𝐠 𝐀𝐩𝐩 – 𝐆𝐞𝐭 𝐒𝐭𝐚𝐫𝐭𝐞𝐝 𝐍𝐨𝐰! Looking forward to discussing your project in detail.

With 10+ years of experience across AI development, cybersecurity, and blockchain, I bring a combination most freelancers can't offer I think like an engineer and a hacker at the same time. ✦ CYBERSECURITY Certified OSCP | CRTO | eWPTXv2 I've led hundreds of penetration tests and security assessments for startups, enterprises, and regulated financial institutions. - Web Application & API Penetration Testing (OWASP Top 10, business logic flaws) - Network Penetration Testing Internal & External - Active Directory Security Assessments - Red Team & Assume Breach Engagements - Cloud Security Assessments - MITRE ATT&CK–based adversary emulation - Executive-ready reports, proof-of-concept evidence & free retests included All testing is manual-first no scanner noise, only real exploitable findings. ✦ AI DEVELOPMENT I've shipped full-scale AI products handling real users and real workflows. Here's what I build: - AI video generation platforms custom avatar creation, script-to-video, multilingual dubbing, and export-ready outputs - AI voice cloning & text-to-speech systems for content creators and media companies - AI avatar & digital human platforms for marketing, training, and e-learning use cases - Enterprise AI automation platforms natural language command execution, multi-task AI agents, and cross-department workflow automation - AI chatbots & virtual assistants integrated with WhatsApp, Telegram, Slack, and web apps - Custom LLM-powered tools document Q&A, internal knowledge bases, and AI copilots for SaaS products - RAG (Retrieval-Augmented Generation) pipelines for accurate, context-aware AI responses - AI content generation tools for social media, marketing copy, and video scripts - End-to-end AI SaaS products with subscription billing, user dashboards, and API integrations ✦ BLOCKCHAIN & WEB3 - Smart contract development & security audits - DeFi protocol builds and integrations - Web3 application development with security-first architecture - NFT platform development and token contract reviews ✦ WHY THIS COMBINATION MATTERS When I build your AI product, I'm already thinking about how it gets attacked. When I audit your systems, I understand the modern tech stacks powering them. That dual perspective is rare and it raises the quality bar of everything I deliver. If you want an AI builder who thinks like an attacker, or a security professional who ships real products — let's talk.

🔹 Overview I design complete visual systems for games, from UI to 3D assets, optimized for real-time performance and player engagement. 10+ years of experience across mobile, PC, and console games. I help studios transform game ideas into polished, production-ready visuals that are both beautiful and technically structured. 🎮 My Expertise Covers 🎨 Game UI & UX • Full UI systems • HUD design • Monetization screens • UX flow & wireframes • Unity UI integration support • 2D Game assets • 2D Game Characters • Spine Animation 🧊 3D Game Art • 3D characters • Environment & level design in unity • Modular props • Prefab setup • Basic character animation 🎯 What Makes Me Different • I design with development in mind • Clean file organization • Optimized for Unity pipeline • Focus on retention & monetization impact • Cross-platform experience 🧰 Core Tools • Photoshop • Illustrator • Figma • 3ds Max • Blender • Unity • Spine 📦 What You Can Expect • Structured design system • Game-ready files • Clear communication • Fast revisions • Long-term collaboration mindset If you need a reliable game-focused designer who understands both aesthetics and technical implementation, let’s build something impactful. Send a message with your game concept, and I’ll help you shape the visual direction.

3D Artist | 3D Modeling | 3D Rendering | 3D Animation | Architectural Visualization | Product & Character Design Bringing Your Vision to Life with High-Quality 3D Art & Animation 🚀 Hi there! I'm Bilal Lania, a highly skilled 3D Generalist with over 8 years of experience in 3D Animation, Modeling, Rendering, and Visualization. Whether you need a photo-realistic product render, an immersive architectural walkthrough, a lifelike 3D character, or an engaging animated video, I’ve got you covered. I specialize in creating stunning visuals that captivate audiences, enhance branding, and drive engagement for businesses across various industries—including e-commerce, real estate, gaming, medical, industrial, and entertainment. 💡 Why Choose Me? ✔️ Expert-Level 3D Modeling & Animation – I create highly detailed, optimized, and realistic 3D assets. ✔️ Photo-Realistic Rendering – Perfect for marketing, advertising, and product showcasing. ✔️ Interactive & Immersive 3D – From VR/AR applications to real-time 3D experiences. ✔️ Fast Turnaround & Reliable Communication – Your project is my priority. ✔️ Industry-Standard Software Expertise – Ensuring top-quality results using: 🔹 Autodesk 3ds Max | Autodesk Maya | Unreal Engine 5 | Cinema 4D 🔹 V-Ray | Corona Renderer | Adobe After Effects | Photoshop | ZBrush | DaVinci Resolve ✨ Services I Offer: ✅ 3D Product Modeling & Animation – Perfect for e-commerce, packaging, and advertisements. ✅ 3D Architectural Visualization – Stunning exterior, interior, and real estate renders. ✅ 3D Character Design & Animation – From stylized to hyper-realistic metahumans. ✅ 3D Game Asset Creation – Optimized for game engines like Unreal & Unity. ✅ Industrial & Medical 3D Animations – Simplifying complex processes & training simulations. ✅ Virtual Reality (VR) & Augmented Reality (AR) Experiences – Interactive 3D solutions. ✅ Motion Graphics & VFX – Eye-catching visuals for films, commercials & presentations. ✨ Let’s Work Together! ✨ If you’re looking for a detail-oriented 3D artist who delivers high-quality work on time, I’m here to help! Let’s bring your ideas to life with stunning 3D visuals. Message me today, and let’s discuss your project!

I create cinematic, high-end videos that don’t look like generic AI content — combining real 3D production experience with modern AI workflows. With 10+ years in CGI and post-production, I don’t just generate visuals — I build complete, production-ready videos that work for real business needs: ads, promos, launches, and brand content. Today, most AI content looks fast… but also cheap. My approach is different: I use AI as a tool — not a shortcut — combining it with Cinema 4D, motion design, compositing, and sound design to deliver visuals that feel intentional, cinematic, and “expensive.” 🟢 WHAT I DELIVER • Cinematic AI + CGI videos • Product promos & launch videos • High-end social / ad content • Motion design & visual storytelling • Full pipeline production (from concept to final render + sound) 🟢 WHY CLIENTS WORK WITH ME ✔ Fast turnaround — near-final first cuts in 24–48 hours ✔ Full pipeline execution — no need to hire multiple specialists ✔ Strong visual taste — not just technical output, but polished results ✔ Minimal revisions — I aim to get close on the first version ✔ Clear communication & reliability — 100% Job Success, Top Rated Plus 🟢 MY APPROACH I don’t just “create visuals” — I solve visual problems. Whether it’s: making AI output usable in production building a cinematic story around a product or delivering under tight deadlines My focus is always the same: make it look right, feel right, and be ready to use immediately 🟢 TECH STACK Cinema 4D After Effects / Premiere AI tools (Runway, Kling, etc.) Compositing & post-production Sound design If you’re looking for someone who can combine speed, taste, and technical execution — let’s talk.

𝐇𝐞𝐥𝐥𝐨 I'm a Social Media & Community Manager who helps crypto and Web3 projects build active, engaged communities across X (Twitter), Reddit, and Discord. My goal isn't just to post content it's to create conversations, increase engagement, and help your community grow with real people who are interested in your project. I can help with: # X (Twitter) content planning and daily management # Reddit marketing and community engagement # Discord moderation and community support # Content calendars and growth strategies # Community building for crypto and Web3 projects # Audience engagement and brand awareness I believe sustainable growth comes from consistency, valuable content, and genuine interaction not shortcuts or fake engagement. When I work with a client, I focus on understanding the project's goals, communicating clearly, and delivering work on time. Whether you're launching a new token, NFT, DeFi platform, or Web3 startup, I'm committed to helping you build a stronger online presence and an engaged community. If you're looking for a reliable community manager who understands the crypto space and values long-term collaboration, I'd be happy to discuss your project. Let’s connect and transform your social media presence into a powerful asset for your brand or project. Click the ‘Hire Me’ button to get started! Regards Mostafijur

Top Rated Plus • 100% Job Success • $400K+ Earned on Upwork CTO & Co-founder @ Codiste (50+ AI engineers) • Harvard '24 I build mission-critical AI Agents, Voice AI systems, and MCP Servers for FinTech, PropTech, RegTech, and MarTech clients - from funded startups to Fortune 500. When off-the-shelf AI tools hit their ceiling, my team engineers production systems that scale to millions of users, sub-500ms latency, and enterprise-grade compliance. ━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I SPECIALIZE IN ━━━━━━━━━━━━━━━━━━━━━━━━ ▸ AI AGENT DEVELOPMENT Multi-agent orchestration with LangGraph, CrewAI, AutoGen, and custom frameworks. Agentic RAG with Pinecone, Weaviate, pgvector, and Qdrant. Tool-calling agents, production MLOps pipelines, and real-time inference infrastructure. ▸ VOICE AI (TTS/STT at Production Scale) Enterprise voice agents processing millions of daily calls. Deep experience with Retell AI, Vapi, Synthflow, Bland, LiveKit, and Twilio. Custom STT/TTS pipelines using ElevenLabs, Deepgram, Whisper, and Cartesia. Proven 60–80% call-center cost savings with 24/7 availability. Flagship: Dialora - 24/7 AI voice agent platform. ▸ MCP SERVER DEVELOPMENT (Early specialist - rare talent in this space) Custom MCP servers exposing internal APIs, databases, and workflows as agent tools. MCP gateways unifying 50+ enterprise systems for Claude, GPT, and Gemini agents. Streamable HTTP + stdio transports, OAuth pass-through, JSON Schema contracts, and compliance-safe agent governance. ▸ FINTECH AI Payment automation, KYC/AML agents, fraud detection, and real-time algorithmic trading with sub-100ms inference. Ledger engineering and PCI-DSS aware architecture. Flagship: Neuro Digital Bank. ▸ PROPTECH AI Real-estate lead qualification agents, virtual tour AI, property valuation models, listing intelligence, and tenant communication agents. ▸ REGTECH AI Blockchain-verified AI inference networks for auditability. Compliance copilots, regulatory reporting agents, and AI governance platforms. ▸ MARTECH & ADTECH AI Autonomous campaign-management agents and multi-modal content repurposing (video → clips → posts). Flagship: Assembler - 100TB+ processed monthly. ━━━━━━━━━━━━━━━━━━━━━━━━ WHY CLIENTS WORK WITH ME ━━━━━━━━━━━━━━━━━━━━━━━━ → CTO & Co-founder at Codiste — 50+ AI engineer team, 6+ years shipping production AI → 10,641+ billable hours on Upwork, 100% Job Success across 49 completed jobs → Harvard (2023–2024) + BTech Computer Science → Member of the Metaverse Standards Forum → Track record with startups, enterprises, and government agencies ━━━━━━━━━━━━━━━━━━━━━━━━ HOW I WORK ━━━━━━━━━━━━━━━━━━━━━━━━ 1. Discovery call - we align on outcomes, not output 2. Architecture doc and technical spec before a single line of code 3. Weekly demos, async updates, full code ownership for you 4. Production deployment + monitoring + handover ━━━━━━━━━━━━━━━━━━━━━━━━ TYPICAL ENGAGEMENTS ━━━━━━━━━━━━━━━━━━━━━━━━ → MVP to production in 30–60 days (fixed-price or hourly) → Fractional CTO / AI architect retainers → Technical due diligence for AI investments and acquisitions → Multi-month enterprise builds with a dedicated team ━━━━━━━━━━━━━━━━━━━━━━━━ Message me with your problem (not just a tech stack), and I'll reply within 4–8 hours with honest feedback on whether I can help - and whom to talk to if I can't. Would love to contribute to an idea that resonates with my skill set.

Most blockchain products don't fail because of a bad idea. They fail because of a missed security check, an inefficient contract, poor protocol design, or infrastructure that can't handle real users. Whether it's a DeFi protocol, DEX, staking platform, NFT ecosystem, or token launch, one small mistake can put funds, users, and your reputation at risk. Building secure, scalable blockchain products that perform under real-world conditions is what I focus on. I'm a blockchain developer with 6+ years of experience designing and building production-ready applications across Solana and EVM ecosystems. I work with startups, Web3 teams, and established companies to turn complex blockchain ideas into reliable products from smart contracts and protocol development to full-stack decentralized applications and backend infrastructure. Over the years, I've contributed to products that have supported millions of users, routed billions in transaction value, maintained high availability, and powered secure on-chain operations across multiple blockchain networks. Some of the blockchain products I've worked on : ** High-Performance Solana DeFi Infrastructure** – Built core infrastructure for a Solana ecosystem including a DEX aggregator, validator services, high-performance RPC, and developer SDKs. Worked extensively on transaction optimization, gasless user experiences, MEV-aware routing, and real-time blockchain data streaming to deliver fast and reliable DeFi infrastructure. **Blockchain Credential Platform** – Developed a platform that issues and verifies permanent digital certificates using compressed NFTs on Solana. The solution enables organizations to create tamper-proof credentials that remain publicly verifiable while significantly reducing on-chain storage costs. **Web3 Social & NFT Marketplace** – Helped build a decentralized social platform where users can mint content as NFTs, trade digital assets, earn royalties, and manage identities through wallet authentication. The platform included marketplace functionality, referral systems, KYC integration, and scalable backend services. My technical stack includes Rust, Anchor Framework, Solana Program Library (SPL), Token-2022, Metaplex, Solana Web3.js, Solidity, Ethereum, EVM-compatible chains, DeFi protocol development, DEX architecture, NFT infrastructure, smart contract development, Node.js, TypeScript, React, PostgreSQL, Docker, Kubernetes, AWS, GCP, REST APIs, GraphQL, WebSockets, CI/CD, and comprehensive testing across localnet, devnet, and mainnet environments. I believe successful blockchain development is about more than writing smart contracts. Every feature is designed with security, performance, maintainability, and long-term scalability in mind. I communicate progress clearly, document important decisions, and deliver thoroughly tested code that teams can confidently deploy to production. If you're building a DeFi protocol, decentralized exchange, staking platform, token ecosystem, NFT marketplace, Web3 application, or any blockchain product where security and reliability matter, I'd be happy to discuss your project. Even if you're still refining the idea, send me a message I'll provide an honest assessment, recommend the best technical approach, and let you know how I can help bring it to production.