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10.0
10.0
99%

Jaipur, India
$18 USD per hour
Award-Winning Software Development & AI Solutions Company 150+ Experts | 1000+ Projects Delivered | Clients Across 25+ Countries | CMMI Level 3 Company Owebest Technologies Pvt. Ltd. is a trusted technology partner helping startups, SMEs, and enterprises build innovative digital products, automate business processes, and accelerate growth through modern software solutions and artificial intelligence. From MVP development to large-scale enterprise platforms, our team delivers secure, scalable, and high-performance solutions tailored to your business goals. ⭐ Why Owebest? ✅ Award-Winning & Top-Rated Development Team ✅ AI-First Product Development Approach ✅ Dedicated Developers, Designers & AI Engineers ✅ Agile Development & Transparent Communication ✅ Long-Term Support & Product Maintenance ✅ Enterprise-Grade Architecture & Security ✅ Fast Response & Reliable Delivery ## Artificial Intelligence & Automation ✅ AI Agents & Multi-Agent Systems ✅ OpenAI, Claude, Gemini & LLM Integrations ✅ RAG (Retrieval-Augmented Generation) ✅ AI Chatbots & Virtual Assistants ✅ Workflow & Business Process Automation ✅ OCR & Intelligent Document Processing ✅ Computer Vision & Image Recognition ✅ Predictive Analytics & Custom AI Solutions ## Web & Software Development ✅ Laravel ✅ Node.js ✅ Python ✅ Django ✅ FastAPI ✅ ASP.NET ✅ REST APIs ✅ GraphQL ✅ Enterprise Applications ✅ SaaS Platforms ## Mobile, TV & Emerging Technologies ✅ Flutter ✅ React Native ✅ Android ✅ iOS ✅ Android TV ✅ Apple TV (tvOS) ✅ Wearable Applications ✅ Smart Watch Applications ✅ AR (Augmented Reality) ✅ VR (Virtual Reality) ✅ Cross-Platform Applications ## Frontend Technologies ✅ React.js ✅ Next.js ✅ Vue.js ✅ Angular ✅ TypeScript ✅ Tailwind CSS ## ERP, CRM & Enterprise Solutions ✅ Custom ERP Development ✅ CRM Development ✅ Manufacturing ERP Solutions ✅ Garment ERP Solutions ✅ Inventory Management Systems ✅ Merchant & Vendor Management Platforms ✅ Salesforce ✅ Zoho ✅ Odoo ✅ HubSpot ✅ Klaviyo ## Blockchain & Web3 Development ✅ Smart Contracts ✅ DeFi Applications ✅ NFT Platforms ✅ Cryptocurrency Wallets ✅ Token Development ✅ Ethereum ✅ Solana ✅ Polygon ✅ Binance Smart Chain (BSC) ✅ Web3 Integrations ## Cloud, DevOps & Infrastructure ✅ AWS ✅ Google Cloud Platform ✅ Microsoft Azure ✅ Docker ✅ Kubernetes ✅ CI/CD Pipelines ✅ Linux Server Administration ✅ High Availability & Performance Optimization ## Databases ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Redis ✅ Pinecone ✅ Weaviate ✅ ChromaDB ✅ pgvector ✅ Quadrant ## E-Commerce & CMS ✅ Shopify ✅ WooCommerce ✅ WordPress ✅ Headless CMS ✅ Custom E-Commerce Platforms ✅ Shopware ✅ Magento ## Industries We Serve 🏭 Manufacturing 🏥 Healthcare 🎓 Education ✈️ Travel & Hospitality 🛒 E-Commerce & Retail 🚚 Logistics & Supply Chain 💳 FinTech 🏋️ Sports & Fitness 🏢 Real Estate and Many more.... Let's discuss your project and explore how Owebest can help turn your vision into a successful digital product.

8.6
8.6
94%

Thane, India
$12 USD per hour
Top Rank freelancer in Web3, Blockchain and PHP Category !! With an experience of more then 2 decade on NFT Marketplace, Smart Contract Development, Blockchain Development, ICOs, Cryptocurrency, dApps, Websites, and Mobile Apps. Blockchain Expertise - Ethereum, Binance Smart Chain, Polygon, Tron, Cardano, Solana, Avalanche, Venom, Fantom, Arbitrum, Cronos, Kardiachain, Xrp Our core activities involve the evaluation, development, and maintenance of blockchain and cryptocurrency-related products. Core area of Specialization: -Proficient in NFT (Non-Fungible Token) Marketplace Development. -Good hands on Crypto Coin Exchange Development. -Completed ICO & IDO Development, including Token Creation. -Developed more then 100 Smart Contracts (Solidity, Rust, Truffle framework). -Proficiency in a range of languages including React.js, Node.js, C#/C++, Objective C, Swift, Golang, Unity and Kotlin. -Good knowledge and working experience in Native & Hybrid App Development for Android & iOS, utilizing Flutter, React Native. -Competence in JavaScript, NodeJS, AngularJS, ExpressJS, and jQuery. At DSV Infosolutions Pvt. Ltd. we make the whole process simple by taking care of all of the technicalities and we won't accept anything but the best from our team of over 25 dedicated Blockchain and web developer. Our quality of our work speaks for itself and the fact that our company has grown exponentially since it's formation in October 2011 is testimony to our work ethic. Perhaps an even better testimony of our commitment towards superior customer service and quality of work is our universal ranking. When you deal with DSV Infosolutions Pvt. Ltd. you're dealing with staff who are available around the clock and communicate fluently in English. Thanks Santosh Kumar Tiwari

9.2
9.2
100%

BANGKOK, Thailand
$130 USD per hour
Hi, I’m Marjan, Website & Software Developer with 16 years of experience and 4,400+ successful projects delivered worldwide. I help businesses build fast, secure, professional and conversion-focused websites, eCommerce stores, custom web applications, booking systems, dashboards and scalable digital platforms. My expertise includes: • WordPress, Elementor & Custom Theme/Plugin Development • Shopify Store Design, Setup & Customization • Full-Stack Web Development • SaaS, MVP & Custom Web Application Development • Booking Funnels, Lead Generation Forms & Dashboards • PHP, JavaScript, HTML, CSS & API Integrations • Wix, Webflow & Business Website Development • Technical SEO, Speed Optimization & Website Maintenance What you can expect when working with me: • Clear and professional communication • Clean, maintainable and scalable work • Careful attention to detail • On-time delivery and long-term support Whether you need a business website, Shopify store, WordPress development, custom platform, SaaS MVP, booking funnel or ongoing website support, I can help you plan, build and launch it properly. Let’s discuss your project and create something that works for your business.

9.0
9.0
97%

Nairobi, Kenya
$30 USD per hour
What customers say about my business consultancy work "A great problem solver, who can think for himself and deliver great results" Hi, I AM RANKED TOP 1% OF FREELANCERS HERE ON FREELANCER.COM BASED ON JOBS COMPLETED AND REVIEWS. I am a business and data consultant who unlock immense value from business data, by telling intricate valuable stories through reports, from the data modern business possess. I am an expert data scientist, decision scientist, market researcher, copywriter, professionally trained content assistant, and data analyst. I specialize in business writing, market research, business data analytics and decisions, technical reports and models validation. I am open to any gig involving data science, research, writing or editing! As an expert data consultant I help small and large business find solution using data. I will help, among others, the following; Business Reports PowerPoint Editing and Presentation Design Operations and Implementation plans Market Entry Strategies Regulatory Compliance Internal Audit & Risk Assessment Decision Science Market Research Reports Business Plans Marketing Plans Commercial Plans Sales Plans Logistics Management Strategy Material Management Strategy Fintech Model Validation Infrastructure & Platform Analysis Data Science and Analytics Employee Training Plan Market Sizing Non-fungible Tokens (NTF) Competitive Research and Tokenization Business Analysis Research Articles Business Data Analysis Industry Research Reports Market Data Search Data Research and Analysis Business Proposals Feasibility Studies SEO Analysis Digital Marketing Plans Business Operation Manuals Manual and Automated Keyword Research Business Process and Procedure I am available right now for your service and I will complete your task with ultimate dedication. Go ahead and trust me with your work and I will deliver awesome high quality research papers. I am ready to be hired by you.

8.6
8.6
100%

Amritsar, India
$30 USD per hour
We are team of creative designer who is self-motivated, self-sufficient and comes to you with a strong background in both Print and Digital media. We have worked extensively in the automotive and Designing industries producing high end business to business and consumer facing designs. We are detail oriented, and has a comprehensive understanding of: Corel Draw, Adobe In Design, Adobe Photoshop, Adobe Illustrator, Website Designing. Possessing a get it done attitude while not compromising on quality means that We will always maximise the impact of any marketing material. As a hard working and ambitious We have no problem following instructions from Customers. EXPERT IN:) ✔Character Design(Caricature) ✔Logo Design ✔CAD/CAM ✔3D Design ✔Animation (2D/3D) ✔Corporate Identity ✔Book/ E-Book Cover ✔Brochure Design ✔Flyer Design ✔ Book Covers ✔Graphic Design ✔Magazine Design ✔Power Point Templates ✔AutoCad ✔Zbrush ✔Blender ✔Maya

8.5
8.5
94%

surendranagar, India
$25 USD per hour
Hi, We are full-stack developers here on Freelancer. We've worked on everything from frontend to backend to middleware, building applications, and solutions that have allowed my clients to put out the best possible web products possible. We are fluent and experienced in a number of different languages, technologies, and frameworks, including (but not limited to): o Magento o Power BI o Data analysis o UI/UX design o SEO o Android/iOS o Javascript o Kotlin o Angular o Odoo o PHP o Node.js o REST API Development o RabbitMQ o Wordpress o HTML o CSS o GitHub o BitBucket This is not a full list, so please feel free to reach out about any software or language needs your project specs to require. With my team of 30, I've created some wonderful projects, including a fully-developed website for a Jewellery store client and a Bitcoin project that required full-scope functionality (wallet, trading, withdrawals, etc.). We've worked with some fantastic clients and have developed a wonderful amount of knowledge and expertise through them. If you're interested in working with my team and I, please reach out! We're always quick to respond and are available 24/7, and can't wait to work with you!

10.0
10.0
99%

Kolkata, India
$18 USD per hour
Innovation is our mantra. We are a website and mobile solutions firm. Venturing into projects where we feel we can add value. We are one of the TOP-RANKED providers on Freelancer, as we develop quality end-to-end solutions. We have developed projects for our clients where we have maintained high standards and that is the reason we do not take up jobs where we feel we have to compromise on the quality aspect. Web Technology & Design Tool We are proficient in: Angular.JS/ Node.JS / Laravel/ CorePHP/ Codeignitor/ ASP.NET/ Squarespace / Shopify / Weebly / Wix/ Parallax/ jQuery editors/ WordPress CMS/ HTML 5/ CSS 3/ Bootstrap 4/ JS/ Ajax/ Figma / Webflow. Mobile App Technology( For Both iOS And Android) We expertise in : Native Platform/ Java/ Kotlin/ Objective C/ Swift/ Complete end-to-end solutions, from Design to Development to Testing and Digital Marketing, we do it all. Lets talk business and we both will exchange some healthy knowledge. If you have an idea, we will bring it to reality.

10.0
10.0
99%

Jaipur, India
$45 USD per hour
• 18+ Years in Web and Mobile Apps Development • Ranked #1 PHP developer • Free project documentation • Free after delivery support CONTACT US TODAY FOR YOUR PROJECT! Click the "Hire Me!" Button on my profile We at Logicspice build custom mobile apps and web applications with the team of inhouse experts having extensive experience over PHP Laravel, Python, Django, React.js, Next.js, Vue.js, Angular.js, React Native along with experience on working with many AI based projects. # Service Highlights # ✓ Logicspice has been awarded as one of the Top 10 Leading Solution providers over Freelancer.com. ✓ Custom and Complex Mobile apps and Web application Development. ✓ Rich Experience with popular CMS and ecommerce like Wordpress, Magento and opencart. ✓ Best industry reviews for Logicspice. • iOS and Android hybrid mobile app development • web applications using Laravel PHP, Django & Wordpress. !! Additional Benefits !! - Extensive quality check and testing. - Documentation and Suggestions for improvements. - Support and Maintenance with quick turnaround time. - Discounted price for long term or big volume of work.

9.7
9.7
98%

Gurugram, India
$45 USD per hour
Custom Software, AI and SaaS Product Studio. 14 Years, One Platform. We have built exclusively on Freelancer.com for 14 years. 500+ projects delivered. 5.0 rating across 512 reviews. 23% repeat hire rate. This is our only sales channel, so every project gets our full attention, not overflow from an agency spread across ten platforms. What we build Custom software and SaaS platforms. Full stack, scalable, built to hand off cleanly. AI native products. ChatGPT, Claude and Gemini integrations, AI chatbots, voice agents, workflow automation. Ecommerce and marketplaces. Shopify, WooCommerce, multivendor platforms. WordPress, Laravel, React, Next.js and Node.js. Production grade, not template work. You will work directly with Akash (CTO, 14 years on this platform) and Shubham or Divya (client relationship leads, named by clients in reviews going back years). The same people from your first message to final delivery. No account handoffs, no rotating project managers. 152 professional recommendations back that consistency. 100% in house team. No outsourcing. We treat every project as if we are the ones maintaining it three years from now, because often we are. Some clients have stayed with us since 2012. If your project does not need custom development, we will tell you before you spend the money. Core expertise Frontend: React, Next.js, Vue, Angular, TypeScript Backend: Node.js, Express, NestJS, Laravel, FastAPI, Core PHP Mobile: React Native, Flutter Databases: PostgreSQL, MongoDB, MySQL, Supabase Cloud: AWS, Google Cloud, Docker AI and Automation: OpenAI, Claude and Gemini APIs, RAG pipelines, LangChain, AI agents CMS and Ecommerce: WordPress, Shopify, WooCommerce, Wix, Squarespace, BigCommerce, Magento, Joomla, OpenCart, Weebly, Webflow, GoDaddy Website Builder, headless CMS Payments, Billing and Subscriptions: Stripe, Stripe Connect, PayPal, Razorpay, WooPayments, NOWPayments, ccBill, LemonSqueezy, Peppol Voice and Telephony: VAPI for inbound and outbound call orchestration with function calling, Twilio for phone number provisioning CRM and Automation: HubSpot, Zapier Lead Generation and Landing Pages: HubSpot, Odoo, Webflow, GoHighLevel, Apify, Outscraper Email and Communication: Postmark, Nodemailer, Mailivery, Gmail API, Microsoft Graph API, Yahoo IMAP, SendGrid AI Assisted Development: Cursor, Replit, Bubble, WeWeb, Lovable, Bolt, Base44 Let's talk about what you are trying to build.
A Solidity expert is a blockchain developer who writes, audits, and deploys smart contracts on Ethereum and other EVM-compatible networks using the Solidity programming language. Hiring a Solidity developer gives your project access to the technical knowledge required to build secure decentralized applications, tokens, DeFi protocols, and on-chain systems that handle real value.
Solidity engineers translate business logic into deterministic, gas-efficient smart contracts that run on the Ethereum Virtual Machine. Their work directly affects how your protocol handles funds, governance, ownership records, and user interactions. Because smart contracts are immutable once deployed, the quality of a Solidity developer's code is a commercial risk factor, not just a technical detail.
A capable Solidity consultant produces clean, audited contracts paired with thorough test coverage, deployment scripts, and documentation. They also advise on architecture decisions, upgrade patterns, and the tradeoffs between on-chain and off-chain logic.
Modern Solidity development relies on a defined toolchain. A strong Solidity engineer is fluent in most of the following:
Solidity expertise serves a growing range of sectors. The most common engagements include decentralized finance, NFT marketplaces and collections, GameFi and on-chain gaming, real-world asset tokenization, supply chain provenance, identity and credentialing systems, prediction markets, and crowdfunding or token sale platforms. Startups launching tokens, established Web3 companies expanding their protocol surface, and enterprises piloting blockchain integrations all hire Solidity developers for both greenfield builds and ongoing protocol maintenance.
Smart contract work demands a higher evaluation bar than typical software development because deployed code is permanent and bugs can result in irreversible loss of funds. Look for the following signals:
Useful interview questions to copy and use:
Freelancer.com gives you access to a global pool of blockchain developers, smart contract auditors, and Web3 engineers across every time zone. You can compare profiles, deployed contract portfolios, ratings, and verified reviews before you commit. Clients set their own budgets and receive competitive bids, which means you can match scope to spend whether you are deploying a single token contract or building a full DeFi protocol. Milestone Payments protect funds until agreed deliverables are met, which is particularly valuable for smart contract work where staged delivery is common. With millions of freelancers on Freelancer.com, you can shortlist Solidity specialists with the exact protocol experience your project requires.
Ready to build secure, production-ready smart contracts for your Web3 project?
Hiring a Solidity developer is straightforward when you approach it methodically. Because smart contracts are immutable and handle real value, the brief, the bid review, and the final evaluation each play a distinct role in protecting your project. The three steps below walk you through the process from posting your project to awarding it.
The quality of your project post directly determines the quality of the bids you receive. A precise brief filters for Solidity developers whose protocol experience genuinely matches your needs, and it surfaces the right questions early. Head to the
Bids on smart contract projects are short proposals, not just price quotes. They reveal how the developer interprets your brief, what architecture they propose, and whether they have flagged the right risks. Read each proposal carefully and shortlist those that demonstrate genuine engagement with your specific contract requirements.
Your final decision should combine proposal quality with profile evidence. For Solidity work, consistency across multiple deployed contracts matters more than a single impressive project, since secure smart contract development is a discipline built over many shipped systems. Review each shortlisted candidate's profile against the markers below.
A standard ERC-20 token with tests and deployment scripts can be completed in a few days, while a full DeFi protocol with multiple contracts, integrations, and audits typically takes several weeks to a few months. Timelines depend heavily on scope, complexity, and whether external audits are part of the engagement.
A Solidity developer writes and deploys contracts, while an auditor reviews existing code to identify vulnerabilities, logic errors, and gas inefficiencies. Many senior Solidity experts do both, but for high-value protocols it is best practice to have an independent auditor review code written by your development team.
For focused work such as a token contract, an NFT collection, or a single feature addition, an experienced freelance Solidity developer is usually sufficient. Larger protocols with frontend, backend, indexing, and audit needs may require either a small team of specialists or a freelancer who can coordinate multiple disciplines.
Yes. Solidity compiles to EVM bytecode, so the same code can be deployed on EVM-compatible networks including Polygon, Arbitrum, Optimism, Base, BNB Chain, Avalanche C-Chain, and others. Minor adjustments may be needed for chain-specific gas economics, block times, or precompiles.
Use Milestone Payments on Freelancer.com to release funds only when each agreed deliverable is met, such as completed test coverage, successful testnet deployment, or audit signoff. Always require source code in a private repository from day one and avoid deploying to mainnet until tests, internal review, and ideally an external audit are complete.

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