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Pay: USD $20 - $50 / hour Location: In Remote (No Mexico) CrypForexBridge is seeking a Blockchain & DApp Developer for an innovative project integrating blockchain, Web3, and Forex/Crypto markets into a modular, secure, and scalable platform. The architecture will combine a Node.js backend with smart contracts on Ethereum or EVM-compatible chains. Node.js will handle off-chain processes such as user authentication, rate aggregation, and connections to traditional systems (including banking APIs), while smart contracts will manage on-chain transactions with full transparency. Responsibilities Design and develop smart contracts in Solidity for crypto-to-crypto swaps and fiat-pegged token management. Integrate the Node.js backend with blockchain via Web3.js. Implement APIs for real-time crypto and forex market data. Apply development best practices: use test networks for QA, conduct smart contract audits, and build a modular architecture. Collaborate in the system’s evolution toward later phases, including multi-chain integration and additional modules. Requirements Proven experience in blockchain and DApp development. Strong proficiency in Node.js and related frameworks. Experience with Solidity, [login to view URL], and the Ethereum/EVM ecosystem. Knowledge of decentralized architectures and DeFi protocols. Ability to integrate external APIs and data oracles. Intermediate/Advanced English for team communication. Nice to Have Experience with atomic swaps and DEX liquidity pools. Familiarity with stablecoins and asset tokenization. Experience in multi-chain scalability and asset bridges (cross-chain bridges). We Offer 100% remote and flexible work. High-impact project at the intersection of crypto and forex. International and multidisciplinary team. Competitive pay: USD $20 - $50/hour, depending on experience. Apply by sending your portfolio, GitHub, and relevant experience in blockchain and Node.js.
Project ID: 39698243
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85 freelancers are bidding on average $21 USD/hour for this job

Dear Atxel J., We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in PHP, Software Architecture, Node.js and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$25 USD in 5 days
8.8
8.8

Hi, Client! As an expert, I can say no problem. Send me a message for best results and long-term relationship. Thank you.
$20 USD in 40 days
7.3
7.3

As an experienced freelance developer, I am equipped with the required technical skills and expertise to build your innovative blockchain project. I have a solid understanding of Node.js and related frameworks which is crucial for the integration process you seek. Moreover, I have extensive knowledge in the Ethereum ecosystem, including smart contract development with Solidity and the use of Web3.js. My experience is not limited to just web development, I have a wide range of technical skills including blockchain development and Artificial Intelligence. This places me in a unique position to understand and tackle the challenges posed by your project. The use of smart contracts specifically for crypto-to-crypto swaps and fiat-pegged token management is very much in line with my skillset; ensuring efficiency, security, and transparency are key elements that align with my work philosophy. In conclusion, my diverse set of capabilities combined with my drive and dedication to delivering high-quality work make me a prime candidate for this role. Rest assured, your project will be handled by someone who wants nothing more than to help it succeed. Let's discuss your project in further detail and transform your vision into reality!
$15 USD in 40 days
5.8
5.8

Hello, Hope you're doing great. I am an experienced Blockchain and DApp developer with strong expertise in Node.js, Solidity, and Web3.js. I have successfully built modular, secure, and scalable blockchain platforms and can deliver CrypForexBridge’s vision of integrating crypto, Forex, and fiat-pegged tokens seamlessly. I will design and develop smart contracts for crypto-to-crypto swaps, implement APIs for real-time market data, and integrate your Node.js backend with Ethereum/EVM chains. My approach emphasizes security, transparency, and modular architecture, using test networks and smart contract audits to ensure reliability. Let’s connect to discuss your vision—I’d love to bring this recruitment piece to life and help attract the next generation of firefighter/paramedics. Feel free to message me to get started! Regards, Adnan H.
$20 USD in 40 days
5.6
5.6

Hi, Atxel J. thanks for posting. Just checked job description that Pay: USD $20 - $50 / hour Location: In Remote (No Mexico) CrypForexBridge is seeking a Blockchain & DApp Developer for an innovative project integrating blockchain, Web3, and Forex/Crypto markets into a modular, secure, and scalable platform I have carefully checked your requirements and could easily work with you. I would like to let you know that I have expert and commercial experience in Software Architecture, PHP and Node.js. My skills are: Laravel, PHP, Codeigniter, Core PHP, HTML, CSS, and Javascript. Here are my other skills Front End: UI/UX Designer, Graphics Design, Vue.js, React, react.js, Node.js, Angular.js, HTML 5, CSS 3, Bootstrap, JavaScript, JQuery, Basic Photoshop, Figma, Webflow. Back End: PHP, Laravel, Codeigniter, Cake PHP, Ajax, jQuery, MySQL, Python. My work Capability : Responsible for communication for more than 10 hours each day. 8 Hours/Day and 40 Hours/Week. Daily or Weekly update.I am ready to work in a customized time zone i.e. EST/IST time zone and so. Waiting for your response!! Regards!
$30 USD in 17 days
4.5
4.5

Hi Atxel J. Good afternoon Already have something live to show you Live Similar Site work I have gone through your requirement , I found it very interesting , Since I already have similar live to show you As i had worked on these tech Software Architecture, PHP and Node.js I can Implement is the similar or with changes for you !!!! Let us discuss more about this Thanks
$30 USD in 47 days
4.3
4.3

Hello, I am excited about the opportunity to work with CrypForexBridge as a Blockchain & DApp Developer. With over 7 years of experience in software development, I have a strong background in Node.js and blockchain technologies, including Solidity and Web3.js. I have successfully designed and developed smart contracts and integrated various APIs for real-time data, ensuring a modular and secure architecture. My expertise in decentralized architectures and DeFi protocols will greatly contribute to the innovative project you are developing. I am looking forward to leveraging my skills in this high-impact project at the intersection of crypto and forex. Thanks, Andrii
$25 USD in 19 days
3.9
3.9

I was excited to come across your project, atxelj. It’s exactly the kind of challenge I love taking on. I specialize in crafting clean, modern, and high-performing digital solutions that truly make an impact. From web design to automation, I help businesses stand out in crowded markets. While new to Freelancer, I bring real-world experience delivering projects beyond this platform — always on time, always detail-oriented. Let’s connect and explore how I can bring your vision to life. Thank you for considering my bid. Best regards, Thomas
$15 USD in 30 days
2.7
2.7

Hello Atxel J., We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on PHP, Software Architecture, Node.js Lets connect in chat so that We discuss further. Regards
$20 USD in 40 days
1.2
1.2

Hello, there. My name is Joizel. I am a programmer dealing with web development. Though I didn't work on blockchain projects before, I have a strong understanding of NodeJS. As a fast-paced learner, I can provide professional results. Thank you so much. Joizel Morojo
$20 USD in 40 days
1.4
1.4

Hello, I hope you are doing well! I have reviewed your job description for the Blockchain & DApp Developer position at CrypForexBridge, and I am excited about the opportunity to contribute to such an innovative project. I possess extensive experience in blockchain technology, particularly with developing smart contracts in Solidity and integrating Node.js backends using Web3.js. This aligns perfectly with your requirements to create a modular and secure platform that merges the crypto and Forex markets. With my strong proficiency in Node.js and a solid understanding of decentralized architectures and DeFi protocols, I am confident that I can help design and implement the features necessary for your platform's success. I am committed to applying best practices, including using test networks and conducting thorough smart contract audits, ensuring a robust system. Looking forward to the possibility of working together! Best regards, Andrii
$25 USD in 27 days
0.0
0.0

Hi Atxel J. Awesome! Your project is very similar to my last project. So I have rich experiences on Node.js, PHP and Software Architecture. I 'd like to share my experience with you. Best regards, Jomari
$29 USD in 17 days
0.0
0.0

Hello Atxel, I am excited about the opportunity to work as a Blockchain & DApp Developer for CrypForexBridge. With my solid experience in blockchain technology, especially in creating smart contracts using Solidity and employing Node.js for backend processes, I feel well-equipped to contribute to the innovative project you're initiating. I have successfully developed decentralized applications that integrate with external APIs and have a strong grasp of the Ethereum/EVM ecosystem. My focus will be on building secure, scalable, and modular architecture tailored for real-time crypto and forex market data, ensuring best practices are followed throughout the development phase. I would love to discuss your vision for this project further. Are there specific features or functionalities you feel are crucial for the initial launch? What specific features or functionalities do you consider crucial for the initial launch of the platform? Thanks, MAKSYM
$30 USD in 39 days
0.0
0.0

Hi Atxel J., I have thoroughly reviewed your job description for the Blockchain & DApp Developer position at CrypForexBridge, and I’m excited about the opportunity to contribute to such an innovative project. My expertise in blockchain development and my strong proficiency in Node.js align perfectly with your requirements. **Why Choose Me?** - Proven experience in developing smart contracts using Solidity. - Extensive background in integrating Node.js applications with blockchain technologies utilizing Web3.js. - 250+ large projects completed with no negative feedback in over 5 years and 5-star ratings on my latest 100+ projects. - Deep understanding of decentralized architectures and DeFi protocols. Before we proceed, I would love to ask a few questions to ensure I align my skills with your needs: 1. Are there any other specific requirements or tools you expect the developer to be familiar with? 2. Will the project build from existing frameworks, or are we starting from scratch? 3. How is the project timeline progressing, and when are you looking to begin work on this? **Availability:** I am available full-time from 9 AM - 9 PM Eastern Time. I look forward to discussing this opportunity further and sharing more about my relevant experiences and portfolio. Best regards, Syeda Yusra Zubair
$15 USD in 7 days
0.0
0.0

Dear, Hope this message finds you well. I am Dalibor, and I am currently seeking new challenges in the software development sector. Believe that my experience and my skills in my previous career would allow me to add significant value to your ongoing projects. I would appreciate the opportunity to discuss how my background, skills, and enthusiasms align with the goals of your project. Looking forward to the possibility of discussing exciting opportunities with you. Best, Dalibor P.
$25 USD in 40 days
0.0
0.0

I turn ideas into polished results that exceed expectations. Your project's integration of blockchain, Web3, and Forex/Crypto markets aligns with my expertise in Solidity, Node.js, and decentralized architectures. While new to freelancer.com, I've completed similar projects offsite with rave reviews. Let's discuss how I can bring a clean, professional, and seamless solution to your innovative platform. I would love to chat more about your project! Regards, Amber
$15 USD in 30 days
0.0
0.0

This sounds like something I can absolutely deliver ? Clean, professional, user-friendly, and seamless is how I build — no fluff, just results. From smart design to integrated automation, I create systems that look great and work even better. While I’m new to Freelancer, I’ve completed plenty of successful projects off-site with happy clients and real outcomes. I’d love to chat more about your project! Regards, Jarrod. --- atxelj, CrypForexBridge is an exciting opportunity, and I'd love to bring my expertise in blockchain, DApp development, and Node.js to your innovative project. My track record in delivering high-quality work speaks for itself. Let's collaborate for success! Thank you, Jarrod.
$15 USD in 30 days
0.0
0.0

Dear Client, I am confident in your project. I am available to start working with you immediately. I will prove myself through my results. Thank you, Yurii
$15 USD in 40 days
0.0
0.0

With my diverse skill set and extensive experience in mobile app development, full stack development, and blockchain technologies (including Ethereum and DApp Development with Solidity), I am confident that I am the right fit for your project involving blockchain integration with Forex/Crypto markets. My understanding of decentralized architectures, DeFi protocols, and ability to integrate external APIs aligns perfectly with your requirements. Having built secure and scalable applications in the past using Node.js and Ethereum, I intend to bring the same level of proficiency and finesse to CryptForexBridge. Furthermore, my experience with atomic swaps and DEX liquidity pools would give your project an added advantage. Given my 5 years across mobile app development, blockchain, AI and full stack development, I am a seasoned professional when it comes to innovation. My portfolio not only highlights my prior successes but also illustrates my relentless commitment to developing efficient solutions tailored to meeting client's unique needs. Rest assured, I would ensure your platform functions seamlessly in a modular environment while maintaining utmost transparency using smart contracts on EVM-compatible chains. Choose me for this role and let's build something truly remarkable together!
$20 USD in 40 days
0.0
0.0

Oh my, I think it's suitable for my skills very well. No problem! Let’s make waves that ripple through the industry. Your success is my mission! Ivan Ruslan
$40 USD in 30 days
0.0
0.0

Ecatepec, Mexico
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