Hire the Best Bitcoin Developers
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I've architected a full Layer-1 blockchain from scratch consensus, validators, staking and built AI agents that transact on-chain autonomously. 100% Job Success, every rated project 5 stars. I'm a Blockchain & AI Developer who ships complete products end-to-end: smart contracts, backends, web dApps, and mobile apps. Clients come to me when they need one developer who understands the full stack from on-chain logic to the app store. WHAT I DELIVER Agentic AI & On-Chain Payments — Autonomous AI agents transacting via the x402 protocol: machine-to-machine micropayments, zero human intervention. Built with LangChain, CrewAI, and LLM APIs. Custom Layer 1 Blockchains Complete chains with consensus, validator infrastructure, staking economics, block explorer, and faucet delivered with UAT reports and scaling roadmaps. Solana Development Anchor programs and MEV-aware trading systems with Jito bundle execution, backed by NestJS/PostgreSQL. Full dApp Development NFT marketplaces, DeFi tools, token platforms across Ethereum, Polygon, and EVM chains wallet integration to polished frontend. Mobile Apps Cross-platform Flutter apps with Web3 integration, including a multilingual P2P crypto trading platform with USDT escrow. AI Products & Automation LLM-powered systems, multi-agent workflows, AI fact checking infrastructure, and intelligent automation pipelines. Enterprise Integration Hyperledger Fabric systems, including edge-device deployments with tamper-proof data integrity. STACK Rust • Solidity • C++ • TypeScript • Python • React/Next.js • Node.js/NestJS • Flutter • Anchor • Web3.js • LangChain • CrewAI • IPFS • Hyperledger • PostgreSQL • MongoDB HOW I WORK Clients hand me a problem statement, not a spec and receive a production system with documentation, testing reports, and a roadmap. Recent feedback: "very professional and fast, will hire again." Whether it's a smart contract, a full dApp, a mobile app, or an AI agent system I build it production-ready. Let's scope your project.

Blockchain is easy to pitch. Building something people actually use is where things get interesting. Over the last 10+ years, I've worked across software engineering, product development, and blockchain infrastructure, helping startups and businesses turn ideas into working products. A large part of my recent work has focused on: • Carbon Credit Tokenization • Real Estate Tokenization • RWA (Real World Asset) Platforms • Smart Contracts • DeFi Applications • Web3 Products • Exchange & Trading Infrastructure I've worked on projects ranging from token ecosystems and blockchain integrations to SaaS platforms, backend systems, automation tools, and customer-facing applications. One thing I've learned over the years is that most projects don't fail because of technology. They fail because requirements aren't clear, complexity gets out of control, or important technical decisions are postponed until they become expensive. That's usually where I get involved. Sometimes it's a new product. Sometimes it's an existing platform that needs to scale. Sometimes it's a project that's been through multiple developers and needs a practical way forward. What I Can Help With: Asset Tokenization & RWA ✔ Carbon Credit Platforms ✔ Real Estate Tokenization ✔ Fractional Ownership Models ✔ Asset-Backed Token Solutions ✔ Investor Portals ✔ RWA Infrastructure Blockchain & Web3 ✔ Smart Contract Development ✔ ERC20 / BEP20 Tokens ✔ Wallet Integrations ✔ dApps ✔ DeFi Platforms ✔ NFT Infrastructure ✔ Web3 Integrations ✔ Staking & Reward Systems Exchange & Trading Systems ✔ Crypto Exchanges ✔ Matching Engine Integrations ✔ Trading Platforms ✔ Wallet Management ✔ Payment Processing Software Engineering ✔ SaaS Platforms ✔ Backend Systems & APIs ✔ AI Integrations ✔ Automation Solutions ✔ Cloud Infrastructure ✔ System Architecture ✔ Database Design & Optimization Technology Stack Blockchain: Solidity, Ethereum, Web3, DeFi, ERC20, BEP20, Tokenization, RWA Infrastructure Backend: Node.js, TypeScript, PHP, Laravel, Python, REST APIs, GraphQL, Microservices Frontend: React, Next.js, JavaScript Infrastructure: AWS, Docker, Linux, CI/CD Databases: PostgreSQL, MySQL, MongoDB, Redis Clients Usually Reach Out When • They need an RWA or tokenization platform built correctly from the start • A blockchain product needs experienced technical leadership • Smart contracts require implementation or integration • Existing systems need blockchain functionality • Development has slowed down and technical direction is unclear • An MVP needs to become a production-ready product • They need someone who can take ownership rather than simply complete tasks If you're building something in blockchain, tokenization, Web3, or adjacent technologies and need someone who can contribute beyond implementation, I'd be happy to discuss it.

I am a Computer Engineer specializing in Cyber Security, AI/ML Automation, and Full-Stack Python Development. I bridge the gap between building cutting-edge software and keeping it highly secure against modern threats. Whether you need an automated AI agent, a secure web platform, or a deep vulnerability assessment, I deliver clean, optimized, and strictly tested solutions. What I bring to your project: 🛡️ Cybersecurity & Threat Protection Vulnerability Assessments & Penetration Testing Secure Authentication Systems & Data Privacy Cybersecurity Tool Development & Threat Intelligence 🤖 AI, ML & Automation AI Agent Development & LLM Integrations (Chatbots, RAG) Machine Learning Automation & Data Scraping Intelligent Data Processing & Workflow Automation 💻 Full-Stack & Software Development End-to-end Web & Desktop Applications (Python, Next.js, React) Robust Database Design & API Integrations Responsive Front-End Development & UX Optimization Why Choose Me? I have a proven track record of strictly adhering to complex technical guidelines and delivering high-quality code. Having successfully executed highly secure, isolated-environment projects for enterprise-level standards (including research studies and architecture testing), I understand the importance of strict compliance, zero-data leaks, and meeting tight deadlines. I am highly detail-oriented, a clear communicator, and accountable for outcomes. Let’s connect and discuss how I can add secure, intelligent value to your next project!

Full-Stack Developer | Next.js • Node.js • Scalable APIs • AI Integrations I help startups build reliable full-stack applications, scalable APIs, and production-ready backend systems using modern JavaScript frameworks and cloud infrastructure. My focus is writing clean, maintainable code that performs well under real usage, not just building prototypes. What I Do Best - Full-Stack Web Development - React / Next.js production applications - Scalable Node.js backend systems - Secure authentication, dashboards, and admin tools - Responsive, performance-optimized frontends Backend & API Development - REST APIs built with Node.js / Express / FastAPI - PostgreSQL and MongoDB database architecture - High-performance API design and async processing - Third-party API integrations and data pipelines AI & Data Systems - ML-powered backend services - Computer vision pipelines (OCR, face verification, liveness detection) - Model deployment and API integration for real applications Selected Projects AI-Based Identity Verification System - Built a multi-model KYC verification system integrating: - Face detection and face matching - OCR document extraction - Liveness detection - Implemented using FastAPI, Docker, and concurrent processing, supporting multiple simultaneous verification requests. Yacht Charter Search Platform - Developed a backend API system integrating NauSYS API v6 with: - 38+ advanced search filters - Async processing and aggregation pipelines - Real-time data queries for yacht availability - Improved backend performance by ~40%. Care4Crisis – Blockchain Donation Platform - Built a Web3 donation system using React and Node.js with: - Dual blockchain integration - Automated smart contract fund release - 1000+ verified on-chain transactions How I Work - Clear technical planning before development - Clean, maintainable architecture - Performance-optimized code - Consistent communication and updates Tech Stack Frontend React • Next.js • TypeScript • Tailwind CSS Backend Node.js • Express.js • FastAPI • REST APIs Databases PostgreSQL • MongoDB Tools Docker • Git • Postman • Cloud Deployments Availability Available 30–40 hrs/week Open to long-term SaaS development, backend engineering, and API projects. If you need a developer who can design systems, write clean code, and ship reliable software, feel free to reach out.

Hi, I'm Kaushik — a full-stack and React Native engineer who builds SaaS products and marketplaces, and fixes the ones that broke on the way to launch. If your app is stuck, half-built, or quietly falling apart in production, I can tell you why and make it right. 8+ years in, most of my work is one of two things. Either a founder has an idea and needs it built properly the first time — the database, the payments, the mobile app, the admin side — without it collapsing the moment real users arrive. Or someone already has a product, often started by another developer or an AI tool, that almost works but can't be trusted, and they need someone to take it over and finish it honestly. I've done both ends of that. I built VNYX, a multi-tenant SaaS platform that resale businesses use to grade products, generate listings with AI, and sync them across marketplaces like Shopify and eBay — where multiple businesses run on the same system and none can ever see another's data, isolated on every request through a five-tier role hierarchy. And on PepsiCo's MiNegocio+, a B2B ordering platform live across 8 countries for a Fortune 50 company, I worked on React Native apps that had to keep working with no signal at all — distributors placing orders offline and syncing cleanly on reconnect, with no duplicate or lost orders. My stack is React, Next.js, Node, and TypeScript on the web, React Native on mobile, with Postgres, Supabase, and Stripe underneath. I lean on AI tools like Claude Code to move quickly — and I read every line they write, which is exactly why I'm comfortable cleaning up a codebase one started. What you're really hiring is someone who'll tell you the truth about your product, build it to survive growth, and still be around after it ships. If that's what you need, tell me what you're working on and where it hurts.

Shamlatech: Enterprise AI & Web 3.0 Solutions Experts Unlock the future with Shamlatech—your trusted partner for Web 3.0 and AI-powered digital transformation. We build next-generation products for startups, enterprises, and investors, combining world-class blockchain engineering and artificial intelligence with industry expertise. 🔗 Web 3.0 Product Highlights RWA Asset Tokenization: Transform real-world assets like gold, real estate, and commodities into blockchain tokens, enabling fractional ownership, liquidity, and global accessibility. Our platforms support tokenization of physical and financial assets, including gold (ERC20/ERC721), real estate, and funds, with regulatory-compliant solutions for secure, seamless digital markets. L1/L2 Blockchain Development: Expertise across Ethereum, Solana, Avalanche, Polygon, and custom Layer 1 blockchains, plus advanced Layer 2 scaling solutions (rollups, bridges, sidechains). Features include smart contract development, cross-chain interoperability, on-chain governance, and DeFi protocol architecture. Hybrid Crypto Exchanges: Launch robust, compliant crypto exchanges blending the speed and liquidity of CEX with the transparency and control of DEX. Solutions feature fiat on-ramp, multi-chain support, secure wallet management, advanced trading analytics, and integrated KYC/AML modules. 🤖 AI Automation Services Healthcare: Automate patient data processing, predictive diagnostics, and medical imaging with machine learning and AI-powered chatbots for appointment scheduling and insurance. Enhance healthcare workflows with scalable, secure solutions. Ecommerce: Boost customer engagement and retention using AI for personalized product recommendations, dynamic pricing, fraud detection, and advanced conversational agents for automated support and order management. Crypto & Web3: Power trading and compliance with market signals bots, predictive analytics, AI-driven KYC/AML automation, and smart contract management for efficient token launches and risk reporting. Why Choose Shamlatech? Comprehensive Web 3.0 Expertise - Blockchain developments(L1/L2), DeFi, NFT, Asset tokenization(RWA), Hybrid crypto exchanges(Margin & Perpetual), smart contracts, Crypto Wallet developments, Crypto Payment Gateway, Crypto Trading Bots and automation. And AI Expertise - Machine Learning Model Development Generative AI Natural Language Processing (NLP) Solutions Computer Vision and Image Recognition Data Analysis and Visualization AI Consulting and Strategy Custom AI Application Development Model Deployment and Maintenance Proven Track Record: Delivered 170+ breakthrough projects in Fintech, gold trading, real estate, healthcare, wellnes, Retail & Gaming. Security & Compliance: Stringent audits, privacy modules, and regulatory adaptability across global jurisdictions. End-to-End Partnership: From strategy & architecture to deployment and ongoing support, we empower digital growth with transparency. Bring your vision to life with Shamlatech. Contact us for a free strategy session, demo, or to scale your Web 3.0/AI project with proven experts.