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Sachin T.

5.0

2.6

50%

Chandrapur, India

$20 USD per hour

I am working as a NodeJs developer. I have completed my Bachelor of Engineering in Computer Science And Engineering. I am passionate about doing anything. I love my work . I put everthing in work to make my work reliable.

Cardano PHP JavaScript Nginx C++ Programming

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Rahul Singh B.

4.9

155

8.9

98%

Indore, India

$15 USD per hour

I am Rahul, and over the past 10 years, I’ve worked across multiple technologies, delivering enterprise-level projects for clients across industries. While blockchain is my current USP, I also have strong experience in Web2 development, including custom solutions, backend management systems, service-based websites, mobile apps, and high-quality Figma/UI-UX design. My approach is highly organized. I start with a detailed discussion to understand your requirements, followed by sharing my suggestions based on my technical and domain expertise. Then, I provide a clear proposal document, discuss commercials, and move into smooth project execution. Let’s turn your idea into reality. Thank you. Rahul

Cardano Website Design Graphic Design Project Management Link Building

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Aeysha Akter M.

4.9

119

6.1

100%

Chandpur, Bangladesh

$20 USD per hour

Hi there, I am Ayesha serving as a professional graphic designer having 4 years experience in creating logos and graphic works. I'll be glad to create unique logo designs for your company . I provide the following services: ✔️Graphic Design ✔️Logo ✔️Business Card ✔️ID card design ✔️Letterhead ✔️Banner ADS ✔️Poster Design ✔️JPG to Vector Thank you .

Cardano Graphic Design Legal Internet Marketing Logo Design

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Shailesh Kumar P.

4.8

8.4

89%

Indore, India

$20 USD per hour

Hi, I help businesses turn ideas into scalable web, mobile, AI, and blockchain products that are built for growth. With over 11+ years of experience and a passion for clean code, scalable systems, and solving complex challenges, I focus on building products that are reliable, modern, and built for growth. If you’ve got a project in mind, I’d be on board to help bring it to life! Core Technologies: 1. Web & Backend: React | Next.js | Node.js | Laravel | TypeScript | Python | PostgreSQL | AWS 2. Emerging Tech: AI Development | AI Integrations | Machine Learning | Generative AI | LLMs | NLP | Computer Vision | LangChain | OpenAI | Vector Databases | Web3 | Blockchain | Flutter 3. CMS & E-commerce: WordPress | WooCommerce | Shopify What I Deliver: ✔️ End-to-end development of scalable web and mobile applications ✔️ AI-powered apps, chatbots, automation tools, and recommendation systems ✔️ Custom SaaS and multi-tenant platforms for growing businesses ✔️ Modern UI/UX with responsive, user-focused design ✔️ API-first development with smooth third-party integrations (Stripe, Firebase, OpenAI, etc.) ✔️ Code audits, optimization, and technical consulting Skills at a Glance: 1. Front-End: React, Next.js, Vue, Angular, Tailwind CSS, Bootstrap, HTML5/CSS3 2. Back-End: PHP, Laravel, CodeIgniter, Node.js, NestJS, Express.js, Django, Flask 3. Databases: PostgreSQL, SQL, MySQL, MongoDB, Redis 4. AI Development: Python, TensorFlow, PyTorch, Scikit-learn, OpenAI, LangChain, Prompt Engineering, AI Chatbots, Agentic AI, Automation, Recommendation Engines, NLP, Computer Vision, RAG, Vector Databases 5. Blockchain & Web3: Solidity, Rust, Smart Contracts, Ethereum, Solana, Polygon, Web3.js, NFTs, DeFi, Crypto Wallets, Multichain, Tokenization, DApps, Public/Private/Hybrid Blockchains 6. DevOps & Cloud: AWS (EC2, S3, Lambda, RDS), Docker, GitHub Actions, Vercel, Heroku 7. APIs & Integrations: REST, GraphQL, WebSockets, Stripe, Firebase, OpenAI 8. Tools & Practices: Agile, CI/CD, TDD, Microservices, Clean Architecture Industries / Niches Served: ✔️ Healthcare & MedTech ✔️ Fintech & Banking Solutions ✔️ E-commerce & Marketplaces ✔️ Real Estate & Property Tech ✔️ Logistics & Supply Chain ✔️ SaaS & Enterprise Platforms ✔️ Education & eLearning ✔️ Travel & Hospitality ✔️ On-Demand Service Platforms ✔️ Social Networking & Community Apps ✔️ Blockchain / Web3 Products ✔️ AI Automation & Productivity Tools ✔️ Recruitment & HR Tech ✔️ Insurance & Verification Systems ✔️ Media, Content & Streaming Platforms Ready to build your next product? Let’s talk... ----------------------- #FullStackDeveloper #WebDevelopment #AppDevelopment #React #NextJS #NodeJS #Laravel #Blockchain #AI #MachineLearning #Flutter #CMS #WordPress #Shopify #SaaS #DevOps #API Integration #UIUX #ResponsiveDesign #HealthcareTech #Ecommerce #web3

Cardano PHP JavaScript Python Website Design

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Mohsin S.

5.0

2.7

100%

Karachi, Pakistan

$15 USD per hour

✅ Certified Full Stack Blockchain Developer | Smart Contracts | NFTs | DeFi | Solidity Expert 🚀 3+ years of hands-on experience delivering secure and scalable blockchain solutions using Solidity, Ethereum, Polygon, BSC, and more. I build smart contracts, DApp, DeFi protocols, NFT marketplaces, and custom tokens that are gas-efficient, audit-ready, and business-focused. 💼 What I Can Do for You: ⚙️ Smart Contract Development – ERC20, ERC721, ERC1155, BEP20, staking, vesting, tokenomics 🏦 DeFi Platforms – Staking, yield farming, DEX, liquidity pools, TVL management 🎨 NFT Marketplaces – Custom minting, IPFS integration, royalty logic, wallet connectivity 🌐 DApps – Full frontend/backend integration using ReactJS, NextJS, Web3JS, EtherJS 🔒 Security First – Clean, tested code with gas optimization & audit-readiness 📊 Token Launch & ICO – Presale contracts, vesting, dashboards, investor logic 🧰 Tech Stack: Solidity • Hardhat • Truffle • Web3.js • Ether.js • Remix • MetaMask • Thirdweb • wagmi • Node.js • MongoDB • Postman • IPFS 🏆 Notable Work: ✅ NFT Marketplace with 10K+ users & custom ERC721/1155 smart contracts ✅ DeFi platform with $1M+ TVL featuring staking, swaps, and yield farming ✅ ICO Presale with SafeMoon-inspired tokenomics and successful launch 💬 Let's bring your blockchain idea to life. Whether you need a smart contract audit, token creation, DeFi build, or a full-stack NFT marketplace, I'm here to help.

Cardano Node.js React.js Typescript Blockchain

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Md Abubakar S.

5.0

1.8

100%

Pirojpur Sadar, Bangladesh

$10 USD per hour

Hi I am Abu Bakar from Bangladesh, i have more than 5 years experience in Adobe photoshop & Illustrator.I am new in this site but i have been working in another marketplace from 2017 .i am expert at photo editing & design related work . Expert at- #Remove watermarks ** Logo Design **Background Removal ** Clipping path ** Photo Editing ** Background removing/changing/deep etching ** Face Swap ** Image editing Color correction ** Image enhancement ** Portrait retouching ** Photo Manipulation ** Business Card Design ** Color Correction Photo restoration ** Photo Resize ** Watermark Remove ** Photo Retouch ** Hair masking ** Color correction ** Image enhancement

Cardano Graphic Design Banner Design Logo Design Data Entry

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Clients rate our Cardano Experts

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How to hire a great freelance Cardano Expert

A Cardano expert is a blockchain developer or consultant who builds, audits, and deploys decentralized applications, smart contracts, and tokens on the Cardano blockchain using Plutus, Marlowe, and the Cardano Node infrastructure. Hiring a skilled Cardano developer gives your project access to the proof-of-stake protocol, native token standards, and Haskell-based smart contract environment that define the Cardano ecosystem.

What a Cardano expert delivers

Cardano specialists translate blockchain ideas into production-ready code on a network designed for security, scalability, and formal verification. They handle the full lifecycle of a Cardano project, from initial architecture decisions to mainnet deployment and post-launch monitoring.

Common deliverables include Plutus smart contracts written in Haskell, native tokens and NFTs minted using Cardano's native asset standard, staking pool setup and operation, decentralized application backends, wallet integrations, and security audits of existing on-chain logic. A strong Cardano consultant also produces clear technical documentation, test coverage, and deployment scripts so your team can maintain the codebase after handover.

Core services and technical scope

The work covered by a Cardano blockchain developer spans several specialised areas. Buyers typically hire for one or more of the following:

Plutus smart contract development in Haskell, including validators, minting policies, and on-chain scripts

Marlowe contract design for financial agreements that need a domain-specific, audit-friendly language

Native token and NFT minting, metadata standards (CIP-25, CIP-68), and royalty logic

DApp development integrating Cardano wallets such as Nami, Eternl, Lace, Flint, and Yoroi via CIP-30

Off-chain code using Lucid, Mesh, PyCardano, or the Cardano Serialization Library

Stake pool operation, including topology setup, key management, and relay configuration on Cardano Node

Smart contract auditing, formal verification, and gas optimisation for execution units

Integration with Cardano APIs and indexers like Blockfrost, Koios, Ogmios, and Kupo

Token launch strategy, vesting contracts, DAO governance, and Catalyst proposal support

Tools, frameworks, and standards

Cardano development has a distinct toolchain that differs from EVM-based ecosystems. A capable Cardano expert will be fluent with most of the following:

Plutus and PlutusTx for on-chain scripts

Aiken, a modern alternative language for writing Cardano validators

Haskell, the foundation of Cardano's core protocol and Plutus

Marlowe Playground for financial contract modelling

Cardano CLI and Cardano Node for transaction building and network operation

Lucid, Mesh.js, and PyCardano for off-chain transaction logic

Blockfrost and Koios APIs for chain queries

CIP standards (Cardano Improvement Proposals) governing wallets, tokens, and metadata

Industries and use cases

Cardano's deterministic execution model and low transaction fees make it suitable for projects that need predictable on-chain behaviour. Common use cases include decentralized finance protocols, NFT marketplaces and collections, supply chain traceability, identity and credential verification using Atala PRISM, real-world asset tokenisation, gaming assets, and DAO governance platforms. Enterprise clients, fintech startups, education projects, and creator economy platforms all hire Cardano blockchain developers to build on the network.

How to evaluate a Cardano developer

Cardano's eUTXO model and Haskell-based stack mean that not every blockchain developer can ship production code on the network. Strong candidates show specific Cardano experience, not just general crypto familiarity.

Look for these signals when reviewing profiles and proposals:

Deployed Plutus or Aiken contracts on mainnet, with verifiable transaction hashes or repository links

Working knowledge of the eUTXO model, redeemers, datums, and execution unit budgets

Haskell proficiency, or Aiken experience for newer projects

Familiarity with CIP-30 wallet integration and CIP-25/CIP-68 metadata standards

Open-source contributions to Cardano libraries, Catalyst-funded projects, or stake pool operations

Security awareness, including double satisfaction, infinite mint, and datum hijacking attack patterns

Sample interview questions you can use directly:

Can you explain the differences between Cardano's eUTXO model and Ethereum's account model, and how that affects contract design?

Walk me through a Plutus validator you have written. What were the redeemer and datum, and how did you test it?

How would you mint a native token with locked metadata using a CIP-25 or CIP-68 compliant policy?

Which off-chain library would you choose for this project, and why — Lucid, Mesh, or PyCardano?

What are the most common security pitfalls in Cardano smart contracts, and how do you mitigate them?

Why hire Cardano experts on Freelancer.com

Freelancer.com hosts a global community of blockchain developers, including specialists with hands-on Cardano, Plutus, and Aiken experience. You can compare portfolios, review verified ratings, read written client feedback, and shortlist candidates whose past work matches your scope. Whether you need a single Plutus audit, a full DApp build, or a stake pool operator, you can post a project on Freelancer.com and receive competitive bids from freelancers across multiple time zones. Buyers set their own budgets, and Milestone Payments hold funds securely until agreed deliverables are accepted.

Post a project on Freelancer.com today and connect with skilled Cardano experts ready to build, audit, and deploy on the Cardano blockchain.

What are the steps to hiring a freelance Cardano expert?

Hiring a Cardano developer goes more smoothly when your brief reflects the specifics of the network — the language, the standards, and the deliverables you expect on-chain. The steps below walk through posting a clear project, reviewing technical bids, and selecting the right specialist for your build.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest factor in the quality of bids you receive. A precise brief filters for Cardano developers whose Plutus, Aiken, or stake pool experience genuinely matches your scope, and saves you from sifting through generic blockchain pitches. Head to the post project page , where you fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Specify the contract language you want — Plutus, Aiken, or Marlowe

List the deliverables: validator scripts, minting policies, off-chain code, frontend integration, or audit report

Name the wallets and standards required, such as CIP-30 wallet support or CIP-68 metadata

Describe the use case and industry context, such as DeFi, NFT collection, DAO, or supply chain

State testing expectations, target network (preview, preprod, mainnet), and timeline

Step 2: Review bids from freelancers

Bids on Cardano projects are short proposals, not just price quotes. Read each one carefully to see how the freelancer interprets your brief, what tools they propose, and whether their suggested timeline is realistic for the eUTXO model and execution unit limits. A strong Cardano proposal usually references specific libraries, standards, and prior on-chain work.

Check whether the freelancer references Plutus, Aiken, Lucid, Mesh, or Blockfrost in a way that fits your scope

Look for relevant clarifying questions about datums, redeemers, or token metadata

Assess timeline realism, especially around testing on preview and preprod testnets

Review any sample contract code, transaction hashes, or GitHub links attached to the bid

Use Freelancer.com chat to ask follow-up questions on architecture and security before shortlisting

Step 3: Evaluate freelancers and award the project

Final selection combines proposal quality with profile evidence. For Cardano work, consistent on-chain delivery matters more than a single impressive demo, since the network's security model rewards careful, repeatable engineering. Review portfolios for mainnet deployments and look for written feedback that mentions Cardano specifically.

Examine portfolio depth — multiple Cardano projects, not just one prototype

Check star ratings and the volume of completed blockchain projects

Read written client reviews for mentions of Plutus, audits, token mints, or stake pool operation

Confirm verified payment method, completion rate, and on-time delivery rate

Award the project and use Freelancer.com Milestone Payments to release funds as each deliverable is approved

What does a Cardano expert do?

A Cardano expert builds and audits smart contracts, native tokens, NFTs, and decentralized applications on the Cardano blockchain. They work with Plutus, Aiken, Marlowe, and off-chain libraries like Lucid or Mesh, and often advise on tokenomics, wallet integration, and stake pool operation.

What is the difference between a Cardano developer and a Solidity developer?

Solidity developers build on Ethereum and EVM-compatible chains using an account-based model, while Cardano developers work with the eUTXO model and write contracts in Plutus, Aiken, or Marlowe. The languages, transaction structure, and security considerations are fundamentally different, so Cardano-specific experience is essential for on-chain work.

How long does a Cardano smart contract project take?

Simple native token mints or basic validators can be delivered in days, while full DApps with custom Plutus logic, frontend integration, and audits typically take several weeks to a few months. Timeline depends on contract complexity, testing requirements, and whether a third-party audit is part of the scope.

Can I hire a Cardano freelancer for a one-off project?

Yes. Many clients on Freelancer.com hire Cardano specialists for single deliverables such as a token mint, a Plutus audit, a wallet integration, or a Catalyst proposal review. You can also engage the same freelancer on an ongoing basis if the relationship works well.

Do I need a Cardano freelancer or a full agency?

For focused work like contract development, audits, or stake pool setup, an experienced freelancer is usually faster and more cost-effective. Larger projects involving frontend, backend, smart contracts, and ongoing operations may benefit from a small team, which you can also assemble through Freelancer.com.