Got issues with your current app/platform/site? Got a vision you want to build and need someone technical with product experience? Need someone to vent to about scaling your business and previous devs? Look no further! I'm: - Ex-AWS, Encore Capital, Sharp Healthcare - A previous educator who taught software and cloud engineering - Anal retentive - Someone who completes things (one of the most rare skills) - Communicative I have: - Completed funding rounds at 3 startups from the ground up - Worked with brands like Nike, Coinbase, Virgin, and more - Secured a large grant to work on infra at Klaytn Foundation - Built the Quarter Machine that crushed at VeeCon in 2023 & 2024 - Helped partners earn over $40M through their platforms - Built a sprawling game and competitive e-sports team across 5 games - Launched a game studio to bring quality competitive games to the masses - And much, much more! Reach out to learn how I can help you build your product, game, or something else!

I am a Senior Software Engineer with over 7 years of experience specializing in full-stack development and blockchain/Web3 technologies. I excel at designing and building scalable decentralized finance platforms, smart contracts, and high-performance backend APIs across multiple EVM-compatible chains. My expertise in Node.js, TypeScript, Solidity, and GraphQL allows me to lead complex technical projects from architecture through to deployment. I have successfully developed solutions that enhance user experience and deliver value in the fintech landscape. If you're looking to innovate and create impactful blockchain or software solutions, I am ready to collaborate and bring your vision to reality. Let's connect and discuss your project needs.

🚀 20+ years of Experience | Expert in Web & Mobile Solutions | UI/UX Specialist Technologies I Excel In: 💻 React/Next.js | Node.js | Python | WordPress | PHP 📱 Flutter | iOS | Android 🎨 Figma | Front-end Technologies What I Offer: 🌐 Web Design & Development: From sleek, responsive interfaces to robust backend architecture, I specialize in creating dynamic web applications using React/Next, Node.js, Python. My focus is on delivering fast, secure, and scalable solutions that exceed client expectations. 📱 Mobile Solutions: Whether it's native iOS and Android apps or cross-platform Flutter applications, I have a proven track record of developing high-performance mobile solutions tailored to client needs. I thrive on pushing the boundaries of mobile technology to deliver seamless user experiences across devices. 🎨 UI/UX Excellence: As a dedicated UI/UX specialist, I prioritize user-centric design principles to create interfaces that not only look stunning but also provide intuitive navigation and optimal usability. I believe in the power of design to elevate brands and foster lasting connections with users. Why Choose Me: ✅ Proven Track Record: I have successfully delivered a diverse range of projects for clients across various industries, earning rave reviews for my professionalism, attention to detail, and commitment to excellence. ✅ Effective Communication: I understand the importance of clear and timely communication throughout the project lifecycle. I work closely with clients to understand their vision, provide regular updates, and ensure alignment every step of the way. ✅ Client Satisfaction: My ultimate goal is to not just meet but exceed client expectations. I am dedicated to delivering projects on time, within budget, and with a level of quality that consistently delights and inspires. Let's collaborate to bring your digital vision to life! Get in touch today to discuss how I can help you achieve your goals.

Full-Stack Web & Blockchain Developer | Crypto Bots & Smart Contracts Hi! I’m a professional software engineer with 7+ years of experience in web & Software development and blockchain applications. I've successfully delivered 85+ commercial projects and supervised over 100 academic ones. I bring both technical expertise and a business-driven mindset to every project. Services I Offer: 💻 Web & API Development Full-Stack Development (Laravel, Node.js, React) RESTful APIs & Microservices Secure Deployment (VPS, AWS, Shared Hosting) 🔗 Blockchain & Smart Contracts DApp Development | Web3.js Smart Contract Creation, Testing & Deployment Chaincode for Ethereum, Solana, Polygon, etc. 🤖 Crypto & NFT Bots Sniping, Arbitrage, Frontrunning & HFT Bots Bots for Uniswap, PancakeSwap, Binance, Kucoin & more Flashloan Arbitrage, Market Making, Volume Trading Bots 🧠 Custom Blockchain Solutions Mining Software (BTC, ETH, SOL) Token Multisender, Crypto Payroll, Tax Tools Clone Software: COTPS, SWAPNEX.IO I offer tailored consulting and efficient solutions to help your business grow. Let’s build something powerful together — contact me today!

I’m a software engineer passionate about building web3 products that scale. At Elys Network, I helped take the product from idea to mainnet — growing to over 2M users, $7M TVL, and $55M+ trading volume in just six months. Along the way, I’ve led teams, coordinated with backend and smart contract engineers, and worked across multiple chains and services to make sure the product delivered. My toolkit includes React, TypeScript, CosmosSDK, Solidity, Rust, and Web3 frameworks. I enjoy turning complex blockchain infrastructure into smooth, usable applications — and connecting with others building the future of decentralized apps. 🚀

**EXPERT VETTED BY UPWORK** Top 1% in AI/ML,data warehousing and Flutter I lead a small talented team of AI/ML and Flutter engineers. So instead of getting one expert on your team, you will always get a team of experts. Executing greenfield projects is something that we enjoy! I guarantee you: My team will provide the best value that you can find. Example Projects that we can execute: *Design and execute an original research project in machine learning or AI *Development of an AI strategy for your organization *Development of custom AI/machine learning solutions, including custom neural networks implemented in Python (TensorFlow, PyTorch, OpenCV, numpy) *Development of natural language processing solutions for text generation, classification, and business workflows, including large language models such as OpenAI's ChatGPT and Claude *Development of computer vision solutions for image classification, object detection, segmentation, and more, leveraging 2D images, 3D images, video, natural images, satellite images Why work with me: - My DC-based company Oaktreeapps.com is a data-first dev shop using bleeding edge tech stack. - Have successfully launched projects for companies like PGA, Sweetwater, Berbix and Federal agencies. - Currently serve as a CTO for a Techstars backed startup. - AWS certified team for all things dev-ops. We are a team with decades of experience working on: || Enterprise grade mobile apps || AI/ML || Data warehousing 1. Enterprise grade apps 2. Social media apps 3. Multimedia consumption apps 4. Connected car apps 5. Healthcare apps 6. Hyperlocal apps Data warehousing tools we use: || Snowflake, Apache Superset , LLM || Web 2.0 tools we use: 1. MERN stack 2. Flutter/Dart for cross-platform mobile development 3. Snowflake, AWS, Apache Superset 4. In house LLM models that can be used for proprietary data processing We understand that finding the right candidate for the job can be tedious and stressful. That's why when you choose to work with us, we shall make things as simple and easy as possible, striving hard to provide you with a 100% stress-free experience. Let's have a chat about your product needs, and let us help you grow your business. Thank you!

I'm an AI Developer specializing in Python, Next.js, and React, helping startups and businesses build AI-powered MVPs, automate operations with GoHighLevel, Make, and n8n, and ship scalable products fast. I help founders go from idea to a working AI MVP combining robust backend engineering with modern frontend development and workflow automation, so you launch faster and validate your product without unnecessary technical debt. 🔧 What I Do AI Backend Development — Building scalable, secure backend systems in Python (FastAPI, Django, Flask) powering AI-driven products and SaaS platforms AI MVP Development — Rapidly building and launching AI MVPs, proof-of-concepts, and startup products from concept to production Next.js & React Development — Fast, responsive, SEO-friendly frontends and dashboards connected to AI-powered backends GoHighLevel (GHL) Automation — Custom workflows, CRM setup, sales funnels, pipeline automation, and marketing automation Make & n8n Automation — End-to-end workflow automation connecting APIs, CRMs, databases, and internal business tools AI Integration — Embedding OpenAI, Claude, ChatGPT, LangChain, RAG, and AI Agents into backend systems and automations API Development & Integration — REST & GraphQL API design, third-party integrations, webhook automation Database Architecture — Designing and optimizing PostgreSQL, MongoDB, and MySQL databases for performance and scale Authentication & Security — Secure auth systems, role-based access control (RBAC), multi-tenancy, and data protection Cloud & DevOps — Deployment, CI/CD pipelines, and infrastructure management on AWS, Vercel, and Docker 📌 Core Tools & Technologies Backend: Python, FastAPI, Django, Flask, Node.js, REST & GraphQL APIs Frontend: React, Next.js, TypeScript, Tailwind CSS Automation: GoHighLevel, Make, n8n, Zapier AI: OpenAI, Claude, LangChain, RAG, AI Agents Databases: PostgreSQL, MongoDB, MySQL Cloud: AWS, Docker, Vercel, CI/CD ✅ Why Work With Me AI Backend expert with strong Python fundamentals and real-world MVP delivery experience Full stack capability across Python, Next.js, and React, backend to frontend under one roof Hands-on automation experience with GoHighLevel, Make, and n8n for real business workflows Focused on fast, lean AI MVP delivery without sacrificing code quality Clear communication and reliable, on-time delivery Keywords: AI Backend Developer • Python Developer • FastAPI Developer • Django Developer • Flask Developer • Next.js Expert • React Developer • Full Stack Developer • AI MVP Developer • Startup MVP Developer • GoHighLevel Expert • GHL Automation • GHL CRM • Make Automation • n8n Developer • n8n Automation • Zapier Automation • Workflow Automation • Business Process Automation • AI Integration • AI Agent Developer • AI Chatbot Developer • OpenAI Integration • ChatGPT Integration • LangChain Developer • RAG • API Development • API Integration • GraphQL Developer • REST API Developer • Database Architecture • PostgreSQL Developer • MongoDB Developer • Backend Engineer • Cloud Infrastructure • AWS Developer • CI/CD • Scalable Systems • SaaS Developer

AI Engineer. I ship production LLM apps (RAG, agents, OpenAI integrations) for SaaS founders. $400K+ earned on Upwork · 100% Job Success · 14,000+ billable hours · Top Rated Plus (Top 3%) Available in US Eastern business hours so your 9 AM meetings work perfectly. ✅ Production AI I've shipped: 1. RAG pipelines with vector retrieval, re-ranking, and eval harnesses 2. Multi-step AI agents using LangChain, LangGraph, and custom orchestration 3. OpenAI, Claude, and Gemini integrations with model-agnostic fallbacks 4. Voice AI with ElevenLabs, MCP servers, Google Agentspace, A2A 5. Token cost controls, prompt-injection guardrails, hallucination monitoring ✅ Best fit if you're thinking: 1. "My OpenAI bill is spiraling and I need it controlled without losing quality." 2. "My RAG retrieval returns irrelevant chunks. The answers are wrong." 3. "My AI agent loops, times out, or breaks on edge cases." 4. "I need to move from prototype to production but don't know how to scale LLM calls." 5. "I want to swap models (OpenAI, Claude, Gemini) without rewriting my stack." 6. "I need evals and monitoring, not vibes-based testing." ✅ Stack: GenAI: LangChain, LangGraph, LlamaIndex, OpenAI, Anthropic, ElevenLabs, MCP, A2A, Google Agentspace Backend: Python (FastAPI, Flask, Django), Node.js, .NET Core Frontend: React, Next.js, Angular Cloud: AWS (Lambda, API Gateway, ECS, Step Functions, RDS), Docker Data: PostgreSQL, MongoDB, DynamoDB, Pinecone, Weaviate, PGVector ✅ SaaS products I've built or contributed to (10k+ active users): C60 AI (LLM-driven product features), Pabau (full-stack plus AI features), Lingvano, OpenTherapy, NurseIO ✅ What working with me looks like: 1. Token cost and latency projections before we build 2. Evaluation harness for retrieval accuracy and response quality 3. Model-agnostic architecture so you can swap providers 4. Guardrails against prompt injection, hallucination, and runaway costs 5. Production monitoring (cost, latency, quality) from day one 📞 Book a 30-min consultation to scope your project. Lahore-based. Fluent English. 9 years lead engineer experience before Upwork.

Helping startups, businesses, and growing brands build modern, scalable, and user-friendly mobile applications using React Native and Flutter. 👉🏻 I specialize in: ✔ Cross-Platform Mobile App Development ✔ React Native Development ✔ Flutter App Development ✔ Mobile UI/UX Design ✔ Figma to Mobile App ✔ Firebase Integration ✔ API Integration ✔ App Performance Optimization ✔ Android & iOS App Development ✔ MVP Development for Startups I focus on building mobile apps that are not only visually polished but also fast, scalable, and easy for users to navigate. From idea to deployment, I help clients transform concepts into high-quality mobile experiences with clean architecture, smooth performance, and modern UI/UX standards. 👉🏻 What you can expect while working with me: • Clean and maintainable code • Responsive communication • Attention to UI/UX details • Scalable app architecture • On-time delivery • Long-term support and collaboration 👉🏻 Whether you need: • a Flutter app, • a React Native application, • a mobile UI redesign, • MVP development, • or complete Android/iOS app development, I can help you build a modern mobile product focused on performance, usability, and business growth. Let’s create an app your users will love.

Hello there! 8 years ago, I wrote my first line of code. Today, I architect systems that handle millions. But here's what hasn't changed: my belief that great products deserve obsessive attention. I treat your vision like it's my own; because in our partnership, it is. I’m Harshad Ladva, a Top 1% Expert-Vetted Senior Developer with over 𝟖 𝐘𝐎𝐄 building 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐒𝐚𝐚𝐒 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐚𝐧𝐝 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐰𝐞𝐛 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. I don't just write code; I architect business-critical digital products using a future-forward stack that includes 𝐀𝐈-𝐝𝐫𝐢𝐯𝐞𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐕𝐢𝐛𝐞 𝐂𝐨𝐝𝐢𝐧𝐠), 𝐬𝐞𝐫𝐯𝐞𝐫𝐥𝐞𝐬𝐬 𝐜𝐥𝐨𝐮𝐝 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞𝐬, 𝐚𝐧𝐝 𝐜𝐫𝐨𝐬𝐬-𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐦𝐨𝐛𝐢𝐥𝐞 𝐟𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬. ✅𝐌𝐲 𝐂𝐨𝐫𝐞 𝐕𝐚𝐥𝐮𝐞 𝐏𝐫𝐨𝐩𝐨𝐬𝐢𝐭𝐢𝐨𝐧: 𝐀𝐈-𝐀𝐮𝐠𝐦𝐞𝐧𝐭𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Leveraging Vibe Coding (Replit, Lovable.dev), AI-driven programmers (Cursor Pro, Windsurf), and AI agent automation (n8n, CrewAI) to accelerate development, enhance code quality, and automate complex workflows. 𝐄𝐧𝐝-𝐭𝐨-𝐄𝐧𝐝 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: From Mobile App Development (React Native, Flutter) and Web Development (Next.js, React) to Backend Engineering (NestJS, Node.js, Python) and Cloud DevOps (AWS, Vercel, Kubernetes); I own the entire product lifecycle. 𝐒𝐭𝐫𝐚𝐭𝐞𝐠𝐢𝐜 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐏𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩: I function as your on-demand Lead Developer, ensuring your architecture is scalable, your codebase is maintainable, and your product evolves with market needs. ✅𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤 & 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 ▪️ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 & 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Web: Next.js, React.js, TypeScript, Angular, Vue.js, Remix, Astro Mobile: iOS, Android, React Native, Flutter, Expo, Ionic, Progressive Web Apps (PWA) UI/UX: Tailwind CSS, Material-UI, Shadcn/UI, Framer Motion, Figma to Code Modern Practices: Server-Side Rendering (SSR), Static Site Generation (SSG), Jamstack Architecture ▪️ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: Primary: Node.js, NestJS, Express.js, Python (FastAPI, Django), Go API Design: RESTful APIs, GraphQL, tRPC, WebSockets (Real-time features) Microservices & Serverless: AWS Lambda, Vercel/Netlify Functions, Microservices Architecture ▪️ 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: AI-Powered Development: Vibe Coding (Replit, Lovable), Cursor AI, GitHub Copilot, Claude Code, Amazon Q Developer AI Agent & Workflow Automation: n8n, LangChain, CrewAI, AutoGPT workflows, Custom AI agent development AI Integrations: OpenAI API, Anthropic Claude, Gemini API, Vector Databases (Pinecone, Weaviate), LLM fine-tuning ▪️ 𝐃𝐚𝐭𝐚, 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐥𝐨𝐮𝐝: Databases: PostgreSQL, MongoDB, MySQL, Redis, Firebase, Supabase, Prisma ORM, Drizzle Cloud & DevOps: AWS (Amplify, EC2, S3, RDS), Vercel, Google Cloud Platform, Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI) Monitoring & Performance: DataDog, New Relic, Lighthouse, Core Web Vitals Optimization ✅𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈’𝐦 𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐀𝐈: 𝐄𝐝𝐓𝐞𝐜𝐡: AI tutors, adaptive learning platforms, automated grading & content personalization 𝐅𝐢𝐧𝐓𝐞𝐜𝐡: Intelligent fraud detection, automated compliance workflows, AI-driven financial assistants 𝐇𝐞𝐚𝐥𝐭𝐡𝐓𝐞𝐜𝐡: Diagnostic support agents, patient journey automation, HIPAA-ready clinical platforms 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐌𝐚𝐫𝐤𝐞𝐭𝐩𝐥𝐚𝐜𝐞𝐬: Hyper-personalized recommendations, AI merchandising, automated vendor onboarding 𝐏𝐫𝐨𝐩𝐓𝐞𝐜𝐡: Smart property matching, predictive maintenance, AI document processing for leases 𝐋𝐨𝐠𝐢𝐬𝐭𝐢𝐜𝐬 & 𝐒𝐮𝐩𝐩𝐥𝐲 𝐂𝐡𝐚𝐢𝐧: Route optimization agents, real-time tracking, demand forecasting ✅𝐖𝐡𝐲 𝐈'𝐦 𝐖𝐨𝐫𝐭𝐡 𝐌𝐨𝐫𝐞 𝐓𝐡𝐚𝐧 𝐌𝐲 𝐑𝐚𝐭𝐞 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲 – Deliver superior quality at accelerated timelines, reducing your development costs. 𝐅𝐮𝐥𝐥-𝐂𝐲𝐜𝐥𝐞 𝐎𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩 – From initial concept and technical specification to deployment, monitoring, and iterative improvement. 𝐂𝐥𝐞𝐚𝐫 & 𝐏𝐫𝐨𝐚𝐜𝐭𝐢𝐯𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 – Daily updates, transparent timelines, and strategic recommendations. Fluent in English. 𝐅𝐮𝐭𝐮𝐫𝐞-𝐏𝐫𝐨𝐨𝐟 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 – Build with scalability, security, and maintainability as first principles. 𝐅𝐢𝐱𝐞𝐝-𝐏𝐫𝐢𝐜𝐞 & 𝐀𝐠𝐢𝐥𝐞 𝐌𝐢𝐥𝐞𝐬𝐭𝐨𝐧𝐞 𝐌𝐨𝐝𝐞𝐥𝐬 – Flexible engagement models tailored to your project needs and risk tolerance. ✅𝐖𝐡𝐚𝐭'𝐬 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 𝐖𝐨𝐫𝐭𝐡? This isn't an expense; it's your most leveraged investment. Every dollar spent with me returns in accelerated time-to-market, reduced technical debt, and scalable architecture. I don't just build software; I build compound interest for your digital assets. Let's discuss your ROI.