Cryptocurrrency Integration into Ecommerce platforms

Budget: 5000 USD Deadline: 15 days

Hi!
I’m interested in collaborating on your blockchain-based commerce projects.

I have experience working with blockchain components within larger platforms and understand how to integrate crypto-related functionality into real, production-ready systems. I’m comfortable working as part of an existing team and handling specific blockchain-related tasks reliably and responsibly.

I’d be glad to learn more about your current architecture and discuss how I can contribute to your projects long-term.
Looking forward to your reply!

Budget: 5000 USD Deadline: 20 days

Good afternoon, can I find out the stack that needs to be worked on?
You can connect cryptocurrency for payment in two ways - set up your own node or use any service you like.

Budget: 4997 USD Deadline: 20 days

Hi Mateo, I built https://agnthub.ai/ – AI Omnichain Agent Platform with smart contracts, wallet flows, and secure on-chain execution for real products.
Worked on https://step.exchange
– production DeFi platform with payment logic, transaction routing, and high-load financial infrastructure.
Built https://x.com/tenet_org/
– EVM ecosystem with wallets, staking, and scalable smart-contract architecture.

Fluent in crypto-enabled commerce flows, wallet integrations, non-custodial payments, and production blockchain architecture for real business platforms.

Which chains are you planning to support first for your commerce system?

Budget: 5000 USD Deadline: 1 day

Hello!
My name is Alexey, and I represent the NC-1 development team. We've been creating websites, mobile apps, online stores, ERP/CRM systems, and other e-commerce products for over five years. Our team includes a specialist (senior PHP developer, team-lead) with the experience and knowledge you need. His hourly rate is $27.
His stack: PHP, Symfony, Laravel, Yii2, Codeigniter. SQL, OOP. LAMP stack, Unit testing, oAuth, Docker, HTML, CSS, TailWind CSS, Javasscript, Vue.js/Nuxt.js, React.js/Next.js. API development.GIT
Our cases: https://1drv.ms/b/c/b7a0d31a9dae1bc5/IQCpK38gmEvWT6F_Cso40Li-AXAKkSs-J67mCwll-C732pw?e=v4VVF5
Sincerely,
Alexey M.

Budget: 5000 USD Deadline: 100 days

I can develop any smart contracts for the TON blockchain. I use TACT for writing.

Budget: 5000 USD Deadline: 30 days

You said:
Need proposal text for freelance project , description: Our agency has been building and managing various eCommerce and service platforms for many years

As the Crypto economy continues to grow, we've decided to build a crypto-enabled commerce system

We're looking for experienced blockchain developers who can handle our blockchain parts in the projects
ChatGPT said:
Got it — this sounds like a freelancer proposal (Upwork / Freelancer / direct pitch). Here’s a clean, professional proposal you can use as-is, followed by a shorter punchy version.

Full Proposal (Professional & Persuasive)
Hello,

I’d love to collaborate with your agency on building a crypto-enabled commerce system.

I’m a blockchain developer with hands-on experience designing and integrating blockchain components for real-world platforms, including eCommerce and service-based systems. I’ve worked across the full lifecycle — from architecture and smart contract development to backend integration and security considerations.

Given your background in managing complex commerce platforms, I can focus specifically on the blockchain side of the project, including:

Smart contract development (payments, escrow, subscriptions, NFTs, or token utilities)

Wallet integration and transaction flows

On-chain/off-chain architecture design

Security best practices and gas optimization

Integration with existing web and backend systems

I’m comfortable working with modern blockchain stacks and collaborating closely with product, frontend, and backend teams to ensure the blockchain layer is reliable, scalable, and user-friendly.

Happy to discuss your technical vision, target chains, and how crypto fits into your commerce model. Looking forward to exploring how we can build this together.

Best regards Expand

Budget: 5000 USD Deadline: 1 day

Hello, which coins do you want to integrate or will this be a general solution? Also, are you considering integration with an already existing provider?

Please provide all necessary details in private messages for further discussion. I will be happy to collaborate.

Budget: 12345 USD Deadline: 123 days

I wonder at what stage the phrase like "I'm busy, look at the code on Git and tell me what's wrong with it - how to improve it - or something like that" will come up?

Budget: 5000 USD Deadline: 15 days

Hi there!

I work on the frontend and checkout side where crypto payments meet real customers, and I have shipped Web3 flows that are clean for normal buyers and stable for support teams. That means wallet connect, chain and token checks, signing and sending transactions, and a clear order confirmation that ties the on chain payment back to your store order without guesswork.

One idea that helps agencies a lot is a small payment adapter layer that sits between your shop and any chain tool you choose. It keeps the UI the same while you swap providers, add new networks, or support both on chain and off chain options later. It also makes testing easier because you can run the whole checkout in a safe sandbox mode before touching mainnet.

If you tell me which eCommerce stacks you support right now and which chains you want first, I can propose a simple payment flow that covers real edge cases like wrong network, user cancel, partial payments, and delayed confirmations, while keeping the buyer experience calm.

Thank you!

Budget: 4990 USD Deadline: 29 days

Good day!
My name is Valentin, and I represent Arctic Web Agency. We are a team of experienced web developers who specialize in creating modern and effective web solutions for businesses. I can provide examples of our similar work in personal messages. We are ready to take your project to work!

Sincerely,
Arctic Web Team
Freelancehunt

Budget: 5000 USD Deadline: 15 days

Hello!
I represent a team of developers. We have extensive experience in creating Backend infrastructures (Python/Django) and integrating them with blockchain protocols.
How we can help:
Development and auditing of smart contracts.
Creation of crypto processing for your e-commerce platforms.
Integration of Web3 with traditional web services.
My personal management background at IBM Israel guarantees architectural accuracy and security of payment solutions.
We are ready to discuss your tasks and show case studies in private messages.

Budget: 5000 USD Deadline: 30 days

Hello,
I’ve reviewed your project details and this is a direction that aligns very well with my background.
I’m a senior developer with extensive experience building and managing eCommerce and service platforms, and over the last several years I’ve been actively working with blockchain-enabled systems, including crypto payments, smart contracts, and Web3 integrations. I’ve worked on projects where blockchain components needed to integrate cleanly with existing backend and commerce infrastructures — security, scalability, and maintainability are always top priorities.
For your crypto-enabled commerce system, I can take full ownership of the blockchain side of the architecture, including:
Smart contract design and implementation (secure, upgradeable, gas-efficient)
Crypto payment flows (one-time payments, subscriptions, escrow, revenue sharing)
Wallet integrations (MetaMask, WalletConnect, custodial & non-custodial setups)
Token and stablecoin support
Backend - blockchain integration (APIs, webhooks, event listeners)
Transaction monitoring, indexing, and on-chain/off-chain synchronization
Security reviews and best-practice implementation
I’m comfortable working with Ethereum-based chains (EVM, SVM and TVM), as well as advising on chain selection based on performance, fees, and long-term scalability. I also collaborate closely with existing engineering teams to ensure the blockchain layer fits naturally into the overall system rather than feeling bolted on.
What you’ll get from me is not just implementation, but architectural thinking, helping shape a system that’s production-ready, extensible, and aligned with real business use cases, not just crypto for crypto’s sake.
I’d be happy to discuss your requirements in more detail, review any existing architecture, and propose a clear technical approach and timeline.
Looking forward to collaborating.

Best regards, Expand

Budget: 5555 USD Deadline: 5 days

Hello, I am interested in working with you. I have extensive experience and a large stack. Can we discuss the details of the project in private correspondence?

Budget: 7000 USD Deadline: 15 days

We have reviewed your description. We have experience in the development and support of e-commerce platforms and services, as well as in blockchain integrations (smart contracts, dApp, WalletConnect, payment/token integration). We are ready to take on the blockchain part of the project and work as a team on a long-term basis. We can quickly connect, assess the scope of work, and propose an implementation plan.

Budget: 5000 USD Deadline: 5 days

Hello. A lot of experience working with many cryptocurrency exchanges. I would like more details about your project.