
Milyonlarca insan fikirlerini gerçeğe dönüştürmek için Freelancer'ı kullanıyor.
Önde gelen markalar ve start-up'lar tarafından güveniliyor
Projenizi ücretsiz yayınlayın ve bugün çalışmaya başlamaya hazır yetenekli Ethereum Developers ile bağlantı kurun. Teklifleri, puanları ve portföyleri karşılaştırın; ödemenizi ise yalnızca yapılan işten memnun kaldığınızda gerçekleştirin.
~40 saniye
ilk teklife kadar
28+
proje başına teklif
69+
Ethereum Developers çevrimiçi
Ön ödeme gerekmez · yalnızca işten memnun kaldığınızda ödeme yapın

10,0
10,0
99%

Jaipur, India
$18 USD saatlik
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.

9,2
9,2
100%

BANGKOK, Thailand
$130 USD saatlik
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.

9,4
9,4
98%

Karachi, Pakistan
$20 USD saatlik
At Digital Arcanum, we don’t just deliver services — we build complete digital growth systems. With over a decade of experience, we’ve worked with global brands and multi-million to multi-billion dollar companies, helping them scale through strategy, technology, and performance marketing. Every project is personal. We go beyond templates and generic execution to create high-performance digital ecosystems that drive traffic, engagement, and conversions. Strategy First — The Real Game Changer We don’t believe in random posting or design. Every action is backed by data, intent, and business goals. From first impression to final conversion, everything is connected. If your brand is posting but not growing or your website isn’t converting — you don’t need more content, you need the right system. 👉👉Social Media & Performance Marketing We are social media growth specialists, not just managers. We build and scale brands across: Instagram, Facebook, TikTok, and YouTube Our services include: Social media strategy & content systems High-quality design (Adobe Photoshop & Illustrator) Reels & video editing (Adobe Premiere) AI-powered content (ChatGPT, Claude) Copywriting & engagement optimization Meta Ads & Google Ads (conversion-focused) Retargeting & scaling strategies Goal: Turn attention into revenue 👉👉Website Development & Automation We build fast, scalable, SEO-optimized platforms: 👉WordPress, Shopify, Webflow, Wix, Squarespace 👉GoHighLevel (GHL) funnels, landing pages, CRM 👉Full-stack solutions & API integrations 👉Automation using n8n & CRM workflows 👉SEO & Branding We drive long-term growth through: Keyword research & technical SEO Content strategy & optimization eCommerce SEO We also create premium brand identities: 👉Logo design & corporate identity 👉Marketing collaterals, packaging, pitch decks 👉UI/UX for websites & mobile apps Why Digital Arcanum 👉1000+ successful projects 👉Experience with global brands 👉Strategy-first approach 👉Strong focus on ROI 👉Built-in quality checks 👉24/7 operations Final Thought Most agencies deliver services. We build systems that scale businesses. Digital Arcanum — Where Strategy Meets Growth

9,0
9,0
100%

South Delhi, India
$50 USD saatlik
Mandlaus Group Pvt. Ltd. is a Top-Rated and Preferred Freelancer.com agency with 22+ years of experience on the platform. We build high-quality, production-ready software that is reliable, scalable, and secure. We deliver great work that creates real value for our clients. 🏆 1500+ projects completed ⭐️ All 5-star reviews ⏰ 100% on-time 💰 100% on-budget ✅ 100% completion rate 🤝 30% re-hire rate 🎂 On Freelancer since 2004. We are proud Microsoft Partner and IBM Partner, delivering enterprise-grade solutions that meet global standards in performance, security, and compliance. We can bring your vision to reality by transforming your ideas into powerful, scalable, and high-performance digital solutions. Our focus is to deliver exceptional quality with clear communication, disciplined execution, and strict adherence to timelines and budgets, so you gain not just software, but a reliable technology foundation you can confidently grow on. ➡️ Our services: ✅ Enterprise Software Development ✅ Web Application Development ✅ Mobile App Development (iOS, Android, Cross-Platform) ✅ Legacy System Modernization ✅ API Development & Integration ✅ System & Third-Party Integration ✅ Cloud Application Development & Migration ✅ AI Integration ✅ Data Analytics & Business Intelligence ✅ Application Maintenance & Support ✅ QA, Testing & Performance Engineering ✅ DevOps & CI/CD ✅ IT Consulting & Solution Architecture ➡️ Deliverables & Outputs: ✅ Enterprise SaaS Platforms ✅ Custom Web Portals & Dashboards ✅ Admin Panels & Backend Systems ✅ Mobile Applications (Native & Hybrid) ✅ RESTful & GraphQL APIs ✅ API Documentation & Technical Documentation ✅ Cloud-Native Applications ✅ AI-Powered Automations ✅ Data Pipelines & BI Dashboards ✅ System Architecture Documentation ✅ CI/CD Pipelines & Automated Deployment Setups ✅ Refactored & Modernized Legacy Systems ✅ Ongoing Optimization & Support ➡️ Technical Expertise: ✅ Programming Languages: PHP, JavaScript, TypeScript, Python, Java, C#, Golang, Ruby ✅ Frontend Development: HTML, CSS, JavaScript, React.js, Next.js, Vue.js, Angular, Svelte, React Router V7, Tailwind CSS, Bootstrap. ✅ Backend Development: Laravel, Symfony, Core PHP, Express, Nest, Django, Flask, Spring, Spring Boot, ASP.NET Core, Echo, Gin, Fiber, Ruby on Rails, Firebase ✅ Mobile App Development: React Native ✅ Cloud Platforms: AWS, GCP, Azure, IBM Cloud, Vercel, Digital Ocean, Heroku, Netlify ✅ Databases: PostgreSQL, MySQL, MariaDB, SQL Server, MongoDB, Apache Cassandra, Firebase Firestore ✅ DevOps: Docker, Github Actions ✅ Version Control: Git, GitHub, GitLab ✅ Payment Gateways: Stripe, Paypal, Razorpay ➡️ Communication & Collaboration: ✅ We communicate fluently in English and Hindi, ensuring clarity in technical documentation, business discussions, and stakeholder reporting. If you need a reliable, process-driven technology partner with a flawless execution record, Mandlaus Group Pvt. Ltd. is ready to build, optimize and scale your next solution.

7,8
7,8
98%

48 NAOGAON, Bangladesh
$30 USD saatlik
Welcome to my profile. Are you looking for a senior developer to bring your great idea alive? If your answer is yes, you have visited the right profile. I am a senior developer/architect for more than 6 years of working experience . I have implemented more than 1000+ projects including Social media marketing so far and I am proficient in following technologies, I have a Team, those who are better/best in their fields. I don't dare to tell we are the best rather to the best of our ability we try to give my/our best. Me And Our team Support you Graphic Designer, Website,apps, SEO , Disital Marketing. Full Stack Developer - ASP.Net Inventory Software (offline) - WordPress custom development. Theme customization. PSD to Wordpress, Plugin development. - Magneto development. E-commerce website development. - Front end development. We are very good with HTML/CSS, Responsive coding. Bootstrap development. We write W3C validated code. - Website optimization we use Gtmetrix as as standard and can get any website in A/B grade. - PHP application development. "You dream it. I build it!" Thank you for spending your valuable time on my profile.

7,9
7,9
97%

CHERTHALA, India
$50 USD saatlik
I have 12 years of experience in Linux and Cloud server management which includes Monitoring, Security, and Optimization. Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including Elastic Cloud Compute (EC2), Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, Cloud Watch and IAM. Implemented AWS high availability using AWS Elastic Load Balancing (ELB), which performed a balance across instances in multiple Availability Zones. AWS deployment using Ansible and Terraform, also deployed, and administered Open stack services. Configuring Ansible to manage AWS environments and automate the build process for core AMIs (Amazon Machine Image) used by all application deployments including Auto scaling and Cloud formation scripts. Worked with Docker on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud. Played a major role in building Docker images; create build and deployment configurations to deploy applications using Jenkins onto the Kubernetes cluster. Deployed and configured Elastic search ELK, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch. Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions. Troubleshooting the network issues involving TCP/IP, LAN/WAN networking, DNS, DHCP, SMTP, SNMP, netstat and monitored the servers and Linux scripts regularly and performed troubleshooting. Monitoring of the servers through Nagios, Icinga2, Zabbix I can handle cloud platform setup and Network management. I'm an expert in Website and e-mail Migration. I also have experience on VMware. Cloud Services: Amazon web services (AWS) , Gcloud , Digitalocean , Scaleway , Azure , Rackspace , Linode etc... My areas of expertise are: Linux, FreeBSD, Windows, Asterisk, FreePBX, NFS, CIFS, VMware, Xen, LVM, Apache, Nginx, Tomcat, Zimbra, Qmail, Sendmail, Postfix, Exim, LVM in Linux, Jabber, Openfire, FTP, Bind, PowerDNS, Pfsense, IPtables, Zabbix, Nagios, MysQL, LDAP, SquidFreeNAS, IPSEC, OpenVPN, PPTP, L2TP TECHNICAL SKILLS Operating systems: Linux, Windows Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP Application/Web Servers: Apache, Nginx, Litespeed Mail Servers: Postfix, exim, sentmail, zimbra, iredmail

7,7
7,7
97%

Rajbari Sadar, Bangladesh
$10 USD saatlik
This is Mehedi Hasan from Bangladesh. I have been working as a Data Entry professional as well as SMM provider from 2012. I am an expert in SMM, Data Entry, Copy Paste, Excel, Research, Mailing List Development, Spreadsheet, Email Handling, Email Marketing ,Word, Google Docs, CRM, data.com, Forum Posting, Content writing, Article writing, Rewriting and so on.

8,6
8,6
98%

JAIPUR, India
$40 USD saatlik
Eplanet Soft is a web/mobile app solutions company which specializes in Web design and development, Mobile App Development and SEO Services creating a strong brand presence and providing expert training in the field of web/mobile development and related technologies. We work on projects related to Core PHP, Laravel, Cake PHP, Wordpress, Opencart, Magento, Joomla, Android, E-Commerce, HTML, HTML5, CSS, CSS3, Bootstrap Designs and many more. We have worked for more than 600+ clients already and all are very much happy with services. Our Office timings as per GMT +5.30 are Morning 10 A.M. to 7 P.M. We always focus on maintaining long-term as well as healthy relationships between clients.

9,7
9,7
98%

Gurugram, India
$30 USD saatlik
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.
An Ethereum developer is a blockchain engineer who designs, builds, tests, and deploys smart contracts and decentralized applications on the Ethereum network and EVM-compatible chains. Hiring an Ethereum developer gives your project access to specialists fluent in Solidity, Web3 tooling, and the security practices that protect on-chain value from day one.
Ethereum developers translate product ideas into production-ready smart contracts and the supporting infrastructure that connects them to wallets, frontends, and external data sources. They write contract code in Solidity or Vyper, deploy it to networks like Ethereum mainnet, Polygon, Arbitrum, Optimism, or Base, and integrate it with web and mobile clients using libraries such as ethers.js, web3.js, and viem.
Beyond writing code, an Ethereum smart contract developer is responsible for gas optimization, upgradeability patterns, access control, event indexing, and post-deployment monitoring. The commercial value is direct: well-architected contracts reduce transaction costs, minimize exploit risk, and make tokenomics, governance, and treasury logic actually work as intended.
The scope of work varies by project type, but a freelance Ethereum developer is typically engaged to deliver one or more of the following:
Strong Ethereum engineers work fluently across a defined toolchain. Look for hands-on experience with the following:
Ethereum freelancers serve clients across decentralized finance, NFT and digital collectibles, gaming and metaverse, supply chain provenance, real-world asset tokenization, identity and credentialing, and DAO-governed communities. Common engagements include launching a token, building a staking or vesting contract for an existing project, deploying an NFT mint, integrating Web3 login into an existing app, or auditing a contract before mainnet release.
Startups use Ethereum developers to ship MVPs on testnets and iterate quickly. Established teams hire them for specialized work like upgrade migrations, L2 deployments, or post-incident remediation after a vulnerability is disclosed.
The cost of a bad hire on a smart contract project is unusually high because deployed code controls real funds. Filter candidates on the following signals:
Useful interview questions to copy and ask:
Freelancer.com gives you access to a global pool of blockchain engineers, from independent Solidity specialists to full-stack Web3 developers who can ship contracts, frontends, and subgraphs end to end. You can compare profiles, portfolios, on-chain work samples, and verified client reviews before committing, and clients set their own budgets and receive competitive bids matched to project scope.
Posting on Freelancer.com also gives you Milestone Payments, in-platform chat, and dispute support, which matter when the deliverable is code that will custody value. Whether you need a one-week token deployment or a multi-month DeFi build, you can hire on Freelancer.com without committing to a long-term agency contract.
Hiring an Ethereum developer follows a straightforward process on Freelancer.com, but the quality of your outcome is set early by how clearly you define the contract logic and security expectations. The three steps below walk through writing a brief, reviewing bids, and awarding the project with confidence.
Your project post is the single biggest determinant of bid quality, because Solidity engineers self-select based on whether the brief matches their experience. A vague post attracts generalists; a precise one attracts the specialists who have shipped similar contracts before. Head to the
Bids on a smart contract project are short proposals, not just price quotes. A strong Ethereum developer will reference specific patterns, ask clarifying questions about edge cases, and propose a sensible breakdown of phases. Read carefully and shortlist candidates whose understanding of the work matches the brief you wrote.
The final decision combines proposal quality with profile evidence. For Ethereum work, weigh consistency of secure deployments across multiple past projects rather than a single impressive contract, because security discipline shows up in patterns over time.
A standard ERC-20 or simple NFT contract with tests can be delivered in a few days, while a full DeFi protocol or DAO build typically runs several weeks to a few months. Timelines stretch when audits, multi-chain deployments, or custom frontends are in scope.
A blockchain developer is a broad title covering any chain, including Bitcoin, Solana, and Cosmos. An Ethereum developer specializes in the EVM ecosystem, which means Solidity, Ethereum mainnet, and EVM-compatible Layer 2s like Arbitrum, Optimism, Polygon, and Base.
For anything holding meaningful value, a separate auditor or audit firm is strongly recommended because reviewing your own code introduces blind spots. Many Freelancer.com developers offer peer review of contracts written by other engineers, which is a sensible step before a formal audit.
Yes. One-off engagements such as a token launch, a vesting contract, a mint contract, or a migration script are common on Freelancer.com. Scope it as a fixed-deliverable project with clear acceptance criteria and testnet verification before mainnet release.
Have a written specification of the contract logic, token economics if relevant, target network, expected user flows, and any existing codebase or design assets. The clearer your brief, the more accurately freelancers can scope the work and propose a realistic timeline.

Freelancer Enterprise
İşletmenizin daha fazla başarıya ulaşmasına yardımcı olmak için 89.4 milyonluk iş gücümüzden yararlanın.

Freelancer API
Yetenekli bulut iş gücümüzü kolayca entegre edebilecekken neden kişileri işe alasınız?
Bugün bir proje ilan edin ve yetenekli freelancerlardan teklifler alın
Ethereum projelerinden ilham alın

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