Senior Blockchain developer needed

Dear Client,

I am excited about the opportunity to integrate cryptocurrency payment gateways and implement smart contracts for your platform, enhancing your payment system and overall user experience. With expertise in blockchain development, smart contracts, and crypto payments, I will ensure a secure, seamless, and efficient implementation similar to BC.Game.

This is My CV : https://flowcv.com/resume/snl0a4mdv8

My Solution & Approach:
✅ Crypto Payment Gateway Integration – Support for BTC, ETH, USDT, and other major cryptocurrencies
✅ Smart Contract Development – Secure, automated transactions for deposits, withdrawals, and rewards
… ✅ Wallet Integration – Enable on-site transactions using hot/cold wallets
✅ Security & Compliance – Implement best practices for fraud prevention and KYC/AML compliance
✅ User Experience Enhancement – Fast, low-fee transactions with seamless UX/UI integration
✅ Testing & Optimization – Thorough testing for reliability, security, and performance

Timeline & Pricing:
⏳ Completion Time: 6-8 weeks
💰 Price: $12,000

I have extensive experience in blockchain, DeFi, and cryptocurrency payment systems, ensuring secure and efficient integration. Let’s discuss further and bring your vision to life!

Best regards,

Good day, I am interested in your project and ready to discuss and implement it! I have been in web development for over 15 years and have extensive experience in the field of cryptocurrency and development. Write to me - I would be happy to collaborate!
Добрый день, заинтересовал ваш проект, готов взяться за его обсуждение и реализацию! В веб-разработке я более 15ти лет, имею огромнейший опыт в сфере криптовалюты и разработки. Пишите - буду рад сотрудничеству!

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Hello!

My name is Evgeny, and I have been professionally developing mobile applications, websites, web services, and web applications for 7 years.

*The cost is indicated for 1 hour of work. To provide a more detailed price, I would like to connect/call and discuss the details.

- You can review my portfolio, feedback, and awards in my profile.

Why should you choose me?
… - I have taken 1st and 2nd places in international championships and competitions in the IT field
- I have verified video testimonials and letters of appreciation
- I am always available, honest, and reasonable
- I work under a contract
- I lead my own development team

I would be happy to talk to you in more detail about the project.
Здравствуйте!

Меня зовут Евгений, уже 7 лет я профессионально занимаюсь разработкой мобильных приложений, сайтов, веб-сервисов и веб-приложений.

*Стоимость указал за 1 час работы. Чтобы детальнее дать цену, хотел бы связаться/созвониться и обсудить детали.

- Портфолио, отзывы и награды можно изучить в моем профиле.

Почему нужно выбрать меня?
… - Занимал 1 и 2 места на международных чемпионатах и соревнованиях в IT-сфере
- У меня есть подтвержденные видеоотзывы, благодарственные письма
- Я всегда на связи, честный и адекватный
- Работаю по Договору
- Руковожу собственной командой разработки

Буду рад поговорить с Вами подробнее о проекте.

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Hi!

We are team of an experienced Blockchain Developers with over 9 years in the industry, specializing in cryptocurrency payment gateways, smart contract development, and DeFi solutions. I’d love to help you enhance your payment system by integrating a native cryptocurrency payment gateway and smart contracts while ensuring a seamless and secure user experience.

✅ Why Choose Eiravox?
* Extensive Blockchain Expertise – Skilled in Ethereum, Binance Smart Chain, Polygon, and Solana, with hands-on experience in smart contract development (Solidity, Rust, Web3.js, Ethers.js).
* Crypto Payment Gateway Integration – Successfully implemented cryptocurrency payment solutions for DeFi platforms, NFT marketplaces, and gaming applications similar to BC.Game.
* Secure & Gas-Optimized Smart Contracts – I write highly efficient, audited smart contracts, ensuring low transaction fees and high security.
* Scalability & Compliance – I prioritize KYC, AML compliance, and secure wallet integrations, providing a future-proof, scalable solution.
…
Project Approach:
1️⃣ Requirement Analysis – Deep dive into BC.Game’s model and your specific business needs.

2️⃣ Smart Contract Development – Design and deploy secure, gas-efficient contracts for payments.

3️⃣ Payment Gateway Integration – Implement a seamless crypto checkout, supporting multiple coins/tokens.
4️⃣ Security Audits & Testing – Rigorously test for vulnerabilities to prevent exploits.

5️⃣ Deployment & Support – Ensure a smooth rollout with ongoing maintenance.

Let’s discuss how we can tailor this solution to your needs! Looking forward to your response.

Best regards,
Eiravox Team

Welcome!

We are the ITZeyz team, and we are ready to help you integrate cryptocurrency payment gateways and implement smart contracts, ensuring secure and efficient cryptocurrency payments.

🔹 What we offer:
✅ Integration of payment gateways to support various cryptocurrencies.
✅ Development and implementation of smart contracts for transaction automation.
✅ UX/UI optimization to enhance user experience.
✅ Implementation of best practices for blockchain payment security.
… ✅ Building a solution that takes into account the experience of successful platforms like BC.Game.

We have experience in Solidity, Ethereum, Binance Smart Chain, Polygon, and cryptocurrency payment integration. We are ready to discuss the details and offer the optimal solution tailored to your requirements!

📩 We look forward to collaborating!

Best regards,
The ITZeyz Team
Вітаємо!

Ми – команда ITZeyz, і ми готові допомогти вам інтегрувати платіжні шлюзи криптовалюти та реалізувати смарт-контракти, забезпечуючи безпечні та ефективні криптовалютні платежі.

🔹 Що ми пропонуємо:
✅ Інтеграція платіжних шлюзів для підтримки різних криптовалют.
✅ Розробка та впровадження смарт-контрактів для автоматизації транзакцій.
✅ Оптимізація UX/UI для покращення досвіду користувачів.
✅ Впровадження найкращих практик з безпеки блокчейн-платежів.
… ✅ Побудова рішення, що враховує досвід успішних платформ, таких як BC.Game.

Ми маємо досвід у Solidity, Ethereum, Binance Smart Chain, Polygon та інтеграції криптоплатежів. Готові обговорити деталі та запропонувати оптимальне рішення під ваші вимоги!

📩 Будемо раді співпраці!

З повагою,
Команда ITZeyz

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Hi!
I am 5 year experienced senior bc developer.
Please check my portfolio.
I can make your day!
Thanks for making time for me.
And I cam ready for the any type of your test step.

Hello, Arnaldo.
I have full knowledge of bc.game's payment gateway via crypto.
As a senior frontend engineer & blockchain developer, I'm very confident that I can complete your project perfectly and deliver on time.
If you take a look at my reviews and work history on blockchain development, you can check my knowledge of blockchain development.
I'd like to discuss with you.
Thank you.