Solana Developers Untuk Diupah
Menunjukkan 51 hasil
Freelancers Ditaja
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I am a highly skilled Full-Stack & eCommerce Developer with expertise in building scalable, secure, and high-performance web applications. With a strong foundation in React, Vue.js, Node.js, NestJS, Laravel, and database management (MongoDB, PostgreSQL, MySQL), I specialize in developing modern web platforms, APIs,...I am a highly skilled Full-Stack & eCommerce Developer with expertise in building scalable, secure, and high-performance web applications. With a strong foundation in React, Vue.js, Node.js, NestJS, Laravel, and database management (MongoDB, PostgreSQL, MySQL), I specialize in developing modern web platforms, APIs, and complex backend systems. I have extensive experience in Shopify, WooCommerce, BigCommerce, Magento, and custom eCommerce solutions, helping businesses build, optimize, and scale their online stores. From theme customization and app development to third-party integrations, performance optimization, and automation, I ensure seamless and high-converting eCommerce experiences. Beyond web development, I specialize in web scraping, data automation, and AI-driven solutions using Python, Selenium, Puppeteer, and BeautifulSoup to extract, process, and analyze data efficiently. I integrate AI models for automation, predictive analytics, and intelligent data processing, enhancing decision-making and operational efficiency. I also have a strong background in blockchain development, working with Solidity, Ethereum, Binance Smart Chain (BSC), Polygon, and Rust for Solana to build smart contracts, NFT marketplaces, DeFi applications, crypto wallets, and blockchain-based payment gateways. I ensure secure and efficient Web3 integrations for decentralized applications. I am passionate about delivering cutting-edge solutions that merge eCommerce, AI automation, web development, and blockchain technology to drive innovation and business growth. Whether you need a scalable eCommerce store, AI-powered automation, data scraping solutions, or secure blockchain implementations, I am here to help. Let’s build the future of intelligent, data-driven, and scalable applications together! kurang
Upah justinw45
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Hello. Welcome to my profile. I'm a software engineer with over 7 years of hands on experience creating web/app, automation & blockchain solutions. I'm also an English Fluent Speaker(near native) so I can ensure good communication. Core Expertise: Full-stack Web & Mobile Development (React, Next.js, Node.js,...Hello. Welcome to my profile. I'm a software engineer with over 7 years of hands on experience creating web/app, automation & blockchain solutions. I'm also an English Fluent Speaker(near native) so I can ensure good communication. Core Expertise: Full-stack Web & Mobile Development (React, Next.js, Node.js, Express, Tailwind, Flutter) Automation & Scripting (Python, Web Scraping, API Integrations, Data Pipelines) Blockchain Development (Ethereum, Solidity, Smart Contracts, DApps, Web3.js/ethers.js, Sui, Solana) Database Design & Management (MongoDB, PostgreSQL, MySQL, Redis) Cloud & DevOps (AWS, Docker, CI/CD, GitHub Actions) What I Deliver: Clean, maintainable, and well-documented code Scalable & secure solutions tailored to client needs Strong problem-solving skills with attention to detail Clear communication & timely delivery Im passionate about helping businesses bring their ideas to life whether its building MVPs, automating workflows, or creating robust blockchain-powered platforms. Lets connect and turn your vision into reality! kurang
Upah mohameds832
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Empiric means “Knowledge gained from experience”, and that’s exactly how we build software. We make software that really helps businesses run smoother and easier. We keep things simple no unnecessary complications. For over 8+ years we have been helping people by listening carefully to them. We spend time...Empiric means “Knowledge gained from experience”, and that’s exactly how we build software. We make software that really helps businesses run smoother and easier. We keep things simple no unnecessary complications. For over 8+ years we have been helping people by listening carefully to them. We spend time understanding the problem that Empiric Infotech is trying to solve for our clients before we start building anything for them. We build: * Websites * Mobile apps * AI tools. Only when Empiric Infotech thinks they actually make things better * Automations that save people time and remove repeat work * Connections between different tools that are not talking to each other properly We usually work with tools like React, Next.js, Node.js, Python, FastAPI, PostgreSQL, MongoDB, Flutter, FlutterFlow and we also work on trendy tools like Cursor, Replit, Bolt.new, Loveable,Claude and Antigravity. Empiric Infotech picks whatever is actually best for the project that Empiric Infotech is working on. We believe in honest talking realistic timelines that Empiric Infotech actually sticks to and making our clients feel comfortable and confident the whole way. Got an idea or a problem that you want Empiric Infotech to solve? Just send Empiric Infotech a message. We will look at it carefully. Get back to you within 24 hours with a simple plan and clear pricing. Empiric Infotech LLP Real experience, solutions. Feel free to reach out, to Empiric Infotech we are happy to chat with you. kurang
Upah dreamerherry
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Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly —...Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly — software with hardware, cloud with automation, and logic with real-world operational constraints. Our work is driven by solid architecture, clean implementation, and solutions designed for long-term use, stability, and growth. 🔧 Core Capabilities Systems & Full-Stack Development End-to-end design and development of web platforms, backend services, APIs, dashboards, and mobile applications, built for scalability, security, and maintainability. Cloud, DevOps & Infrastructure Architecture and operations across AWS, Azure, and Google Cloud, including CI/CD pipelines, deployments, monitoring, performance optimization, and production hardening. Automation & Integrations Custom automation, workflow optimization, system integrations, bots, and backend processes to reduce manual work and improve operational reliability. Embedded Systems & Industrial Automation Development and integration of embedded systems, IoT devices, electronics, PCBs, PLCs, SCADA, and hardware–software interfaces for industrial and automation use cases. AI & Data-Driven Features Practical AI and machine-learning integrations such as computer vision, OCR, analytics, and intelligent system enhancements — applied where they deliver real, measurable value. Specialized & Custom Solutions Blockchain systems, trading tools, telephony platforms, and other domain-specific solutions when projects require deeper technical customization. 👥 Team & Delivery Model For larger or time-critical projects, I work with a small, trusted technical team, while personally managing and reviewing all work. This ensures clear communication, consistent quality, and a single point of accountability for the client. 🤝 Post-Delivery Support Delivery does not end at handover. We provide clear documentation, support, fixes, and ongoing assistance when required, ensuring systems remain stable, understandable, and easy to maintain over time. Our approach is reflected in consistent positive feedback from previous clients, who value technical ownership, clear communication, and dependable delivery. If you’re looking for a technical partner who thinks long-term and takes responsibility beyond launch, Rashid Tech Solutions is ready to support your project. kurang
Upah rashidamjad
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I’m a 𝗟𝗲𝗮𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 5+ years of experience building 𝘀𝗲𝗰𝘂𝗿𝗲, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗵𝗶𝗴𝗵 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 products. I specialize in modern web development, AI integrations, blockchain applications, automation/workflows, and eCommerce solutions that help teams ship faster, reduce manual work, and grow...I’m a 𝗟𝗲𝗮𝗱 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 5+ years of experience building 𝘀𝗲𝗰𝘂𝗿𝗲, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗵𝗶𝗴𝗵 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 products. I specialize in modern web development, AI integrations, blockchain applications, automation/workflows, and eCommerce solutions that help teams ship faster, reduce manual work, and grow reliably. I work across frontend and backend systems, including UI development, system architecture, backend services, third-party integrations, and deployments. I focus on clean code, clear communication, and delivering production-ready solutions that are easy to maintain and scale. 𝙒𝙝𝙖𝙩 𝙄 𝙨𝙥𝙚𝙘𝙞𝙖𝙡𝙞𝙯𝙚 𝙞𝙣 • 𝗠𝗼𝗱𝗲𝗿𝗻 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 & 𝗜𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗲 𝗪𝗲𝗯 — React, Next.js, TypeScript, Python, WebGL, real-time dashboards, SaaS platforms • 𝗔𝗜 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 — chatbot platforms, LLM features, voice agents, OpenCV pipelines, AR/VR integrations, VTN-based solutions • 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝘀 (𝗦𝗼𝗹𝗮𝗻𝗮 & 𝗘𝗩𝗠) — trading bots, dApps, DEX/DeFi, P2E apps, NFT platforms, token launchpads • 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 — Microsoft 365 / Power Automate, n8n, Make.com, GoHighLevel workflows, custom backend automation • 𝗕𝗿𝗼𝘄𝘀𝗲𝗿 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗰𝗿𝗮𝗽𝗶𝗻𝗴 — API-based scraping + Puppeteer, Playwright, SeleniumBase (reliable, scalable data extraction) • 𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 — Shopify & WordPress/WooCommerce, custom themes, integrations, performance and conversion improvements • 𝗨𝗜/𝗨𝗫 & 𝗗𝗲𝘀𝗶𝗴𝗻 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 — design-to-code, clean responsive layouts, interactive UI polish 𝙒𝙝𝙖𝙩 𝙮𝙤𝙪 𝙘𝙖𝙣 𝙚𝙭𝙥𝙚𝙘𝙩 • Clear communication and consistent updates • Strong ownership and reliable delivery • Secure, maintainable code with best practices • Practical solutions (no over-engineering) • A long-term partner focused on business results If you are looking for a Lead Developer who can plan, build, and deliver your product with a high standard of quality, I am ready to support your project. kurang
Upah vasyls8
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I build AI-driven backend systems that think, learn, and scale. Most companies use AI in fragments—a chatbot here, an automation there. I help startups and enterprises build complete AI ecosystems by integrating Large Language Models (LLMs) into robust, production-grade backend architectures. Whether you are building...I build AI-driven backend systems that think, learn, and scale. Most companies use AI in fragments—a chatbot here, an automation there. I help startups and enterprises build complete AI ecosystems by integrating Large Language Models (LLMs) into robust, production-grade backend architectures. Whether you are building an AI SaaS MVP from scratch or adding RAG-based intelligence to an existing platform, I deliver clean, maintainable, and secure code. What I bring to your project: 1. AI Integration: Expert in OpenAI (o1/GPT-4), Claude 3.5, and Gemini 2.0. I specialize in RAG (Retrieval-Augmented Generation) and AI Agent workflows using LangChain and CrewAI. 2. Backend Excellence: Scalable microservices built with FastAPI, Python, or NestJS. I focus on high-concurrency, security, and performance. 3. Vector Infrastructure: Implementation of Pinecone, Weaviate, or PGVector for efficient data retrieval. 4. SaaS Architecture: Multi-tenant database design, Stripe subscription logic, and RBAC (Role-Based Access Control). Why work with me? - Speed to MVP: I focus on getting your AI SaaS to market in 3–6 weeks without technical debt. - Product Thinking: I don't just follow tickets; I ask "Why?" to ensure the feature actually drives user value. - Security First: I ensure your AI integrations are prompt-injection resistant and GDPR/SOC2 compliant. TECHNICAL STACK: - AI & LLM: OpenAI API, LangChain, RAG, Prompt Engineering, Vector DBs (Pinecone) - Backend: Python (FastAPI, Django), Node.js (NestJS, Express), Go - Databases: PostgreSQL, MongoDB, Redis, Supabase - Cloud & DevOps: AWS (Lambda, ECS), Docker, GitHub Actions, Vercel - Integrations: Stripe, Auth0, Twilio, HubSpot, Slack API kurang
Upah yuriihal
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I’m a Full-Stack Engineer with 12 years of experience building production software across AI, Web, Mobile, and Blockchain. I can take a project from idea → architecture → implementation → deployment, and I focus on clean, maintainable code with clear communication and predictable delivery. ✅ AI / LLM (GenAI): LLM app...I’m a Full-Stack Engineer with 12 years of experience building production software across AI, Web, Mobile, and Blockchain. I can take a project from idea → architecture → implementation → deployment, and I focus on clean, maintainable code with clear communication and predictable delivery. ✅ AI / LLM (GenAI): LLM app development, chatbots, RAG (Retrieval-Augmented Generation) / knowledge-base search, embeddings & vector databases, agent/workflow automation, prompt & system design, data extraction, summarization, classification, evaluation/testing, API integrations. ✅ Web Development: Frontend: React, Next.js, TypeScript, modern UI dashboards/admin panels. Backend: Node.js, NestJS, Python (FastAPI/Django), REST/GraphQL APIs, authentication/authorization, multi-tenant systems, background jobs/queues, real-time features (WebSockets). ✅ Mobile Development: Flutter and React Native, cross-platform delivery, push notifications, deep links, camera/media upload, offline-first patterns, performance tuning, App Store / Google Play releases. ✅ Blockchain / Web3: Smart contracts (Solidity), Solana (Rust), token contracts/standards, wallet integration (ethers/web3), on-chain/off-chain architecture, backend indexing, security-minded development, testing and deployment workflows. ✅ Databases & DevOps: PostgreSQL/MySQL, Redis, SQL optimization, Docker/Compose, CI/CD, cloud deployment (AWS/GCP), Nginx, monitoring/logging, performance and stability improvements. I work best with milestone-based delivery: quick first version, then iterate fast with feedback. Share your goals, current stack, and constraints—I’ll propose a practical plan and start immediately. kurang
Upah danielboggs
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Hi, I’m Marcus, software engineer. I know the value of time and money. My work never ends until you are 100% satisfied with each & everything. Following is the Expertise which I can Provide You: ✅Web Development: Core technologies include HTML, CSS, WordPress, PHP (Magento, CodeIgniter, Laravel), JavaScript...Hi, I’m Marcus, software engineer. I know the value of time and money. My work never ends until you are 100% satisfied with each & everything. Following is the Expertise which I can Provide You: ✅Web Development: Core technologies include HTML, CSS, WordPress, PHP (Magento, CodeIgniter, Laravel), JavaScript (MEAN/MERN). ✅Desktop Applications: Java, Python, C/C++, Qt. ✅Blockchain: Metaverse, Web3, Smart Contracts, White Papers, Blockchain (Eth, WAX, Solana, BSC, Polygon), Arbitrage Bots, DEX, DApps ✅Mobile Development: Android, iOS, Ionic, Cordova, React Native, Xamarin, Flutter, AR/VR. ✅AI & Computer Vision: Machine Learning, OCR, Tensor Flow, OpenAI. Let’s create something amazing! Feel free to chat for a for free consultation. ******* I am looking forward to hearing from you! ******* kurang
Upah mwrockwell
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matheussilva114 matheussilva114
$30 USD / jam
FULL-STACK ENGINEER| DATA SCIENTIST| AI SPECIALISTBrazilAs a Senior Full-stack developer, Data Scientist and AI/ML Engineer with over 6 years of experience, I specialize in designing, developing, and deploying Software Products with good machine learning solutions. My expertise spans across Machine Learning, Deep Learning, NLP, Computer Vision, and Generative AI,...As a Senior Full-stack developer, Data Scientist and AI/ML Engineer with over 6 years of experience, I specialize in designing, developing, and deploying Software Products with good machine learning solutions. My expertise spans across Machine Learning, Deep Learning, NLP, Computer Vision, and Generative AI, enabling businesses to harness the full potential of AI for automation, insights, and innovation. kurang
Upah matheussilva114
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I’m a senior blockchain engineer and product builder with multiple shipped Web3 platforms across smart contracts, DApps, and on-chain infrastructure. I don’t spend much time selling ideas — I execute and let the work speak. I specialize in taking ambiguous Web3 problems and turning them into full-scope MVPs,...I’m a senior blockchain engineer and product builder with multiple shipped Web3 platforms across smart contracts, DApps, and on-chain infrastructure. I don’t spend much time selling ideas — I execute and let the work speak. I specialize in taking ambiguous Web3 problems and turning them into full-scope MVPs, end-to-end, quickly and cleanly. My background spans: Smart contracts (Solidity, EVM) DApp development (frontend + backend) Blockchain integrations (ETH, Solana, BTC, PoS networks) Product architecture, scoping, and execution MVPs for startups, protocols, and founders who need real output fast I work best with teams that value speed, ownership, and clarity. If you’re looking for someone who can move from idea → working product without hand-holding or endless back-and-forth, I’m a strong fit. Available for: Full-scope MVP builds Blockchain product development Smart contract engineering Rapid execution for Web3 startups Happy to move fast and show execution on a real problem. kurang
Upah blakewalters54
