Solidity Developer for DeFi Smart Contract

@AwaisChaudhry

Hello, I am thrilled to have the opportunity to work on your DeFi smart contract project. With extensive experience in Solidity development, I can create a secure and efficient smart contract for token swaps and liquidity management that mirrors the elegance of a Uniswap-style AMM. I will ensure that your contract efficiently supports functions such as `addLiquidity()`, `removeLiquidity()`, and `swap()`, while also incorporating a transparent fee mechanism and robust event logging. My approach will focus on utilizing OpenZeppelin libraries to guarantee safety and gas efficiency, creating a seamless experience for end users. Additionally, I can provide a comprehensive Hardhat setup along with detailed README documentation to facilitate your integration with the frontend built in React and Ethers.js. I am committed to delivering a well-structured product tailored to your needs. Could you please clarify if you have any specific requirements for the testing framework to be used in the Hardhat setup? Thanks, Muhammad Awais

@softsolution2000

I have extensive experience in PHP, Java, JavaScript, Software Architecture, and Blockchain, making me a perfect fit for the Solidity Developer for DeFi Smart Contract project. I am confident in my ability to meet your requirements and can adjust the budget after discussing the full scope. My priority is delivering quality work within your budget. Please review my 15-year-old profile to see my track record. Let's discuss the project details. I am eager to start and showcase my commitment. Looking forward to hearing from you.

@dfordesigners

Hi Nisar M. I’ve carefully read your project details "Solidity Developer for DeFi Smart Contract" and I’m confident I can deliver exactly what you’re looking for. With 5+ years of experience, 400+ 5★ reviews, and 500+ completed projects, I specialize in building high-performing websites, Shopify/WordPress solutions, and SEO-optimized platforms that drive real results. ★ Why Clients Choose Me Proven Track Record → 400+ reviews, 500+ projects Web Expertise → WordPress, Shopify, wix, Laravel, React, Vue.js, PHP, Python and more E-commerce & SEO → Store setup, payments, on-page SEO, performance boost UI/UX Design → Modern, responsive, conversion-focused On-Time & On-Budget → 96% timely, 97% within cost Reliable Support → Free 1-month help + long-term maintenance Secure Solutions → Backups, security & optimization Risk-Free Guarantee → No upfront payment. Pay only when satisfied, with full money-back assurance. If you want a professional developer who delivers on time, on budget, and stress-free, let’s connect. I’ll turn your vision into a secure, rapid, and growth-focused digital experience. Best regards, Kausar Parveen

@LiveExperts

Hello, As an expert team at LiveExperts®, we're well-versed in the full-stack implications of decentralized finance (DeFi) projects. With my hands-on experience in Solidity, Java, JavaScript and PHP, I can build your smart contract for token swaps and liquidity management conforming to all your specifications. I have a proven track record of creating clean, efficient, and secure solutions for projects just like yours. In addition to the core requirements of the project, I'm also proficient in implementing bonus functionalities - such as basic LP token minting - that you’ve requested. Moreover, alongside delivering a thoroughly audited & tested smart contract on Hardhat (with deployment & test scripts), I'll provide detailed README documentation explaining its usage and setup. This will ensure seamless integration with backend systems like React + Ethers.js. Choosing me means getting comprehensive expertise woven into your project's codebase, which is vital for resilient and adaptable smart contracts. If you're looking to hire someone who'll not only help deliver on your current requirements but also bring added value to your DeFi prototype, then let's connect and discuss your project in-detail today! Thanks!

@say2shariq

Hi, 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, Java, JavaScript, Software Architecture, Blockchain, Ethereum, Solidity, Smart Contracts Lets connect in chat so that We discuss further. Thank You

@jermeek

Hi, Nisar M. I 've read your project description. I've successfully delivered similar projects. I have solid experience with PHP, Ethereum, Software Architecture, JavaScript, Solidity, Java, Smart Contracts and Blockchain. Please check out my portfolio: https://www.freelancer.com/u/jermeek Let's chat! Best Jeremy

@sdqtrades

As a deeply experienced Trading Software Developer with over a decade in the industry, I'd like to extend my services as your Solidity Developer for this DeFi project. My years of building exceptional, profitable and efficient tools align perfectly with what you need in a Solidity Developer - security, efficiency and well-documented code. My versatility not only covers different aspects of the trading world, but I've also developed strategies for several key platforms such as Binance and Coinbase, giving me a rare understanding of their functionality. Your project description speaks volumes to my proficiency. Right from using OpenZeppelin libraries for safety, implementing the constant product formula, fee mechanism to ensure transparency and clean code structure, your detailed requirements mirror my skills. Moreover, I’ve had ample experience in implementing liquidity management on exchanges. Don't hesitate to choose an experienced Solidity developer who can deliver above expectations. With me, you get more than just technicality; you get prompt delivery, flexible collaboration and top-notch communication skills in six languages! Let's make your prototype into reality, stringently following the promised confidentiality and ensuring 100% ownership of your project’s source code. Reach out now for quality delivery that not only solves problems but scales businesses too!

@johnallenvillan1

Hello there! I'm John Allen, an expert Solidity developer with extensive experience in DeFi smart contracts. I specialize in building secure, efficient, and well-documented contracts like the one you need. I'll create a Solidity contract following your requirements using OpenZeppelin libraries, implementing the constant product formula, supporting addLiquidity(), removeLiquidity(), and swap() functions with event logging and customizable fee mechanism. Gas efficiency and clean code structure are my priorities. I can also implement LP token minting, provide Hardhat setup, and include detailed documentation for easy integration. Looking forward to working with you! John Allen

@prodgysolution

Let’s create a Solidity Developer for DeFi Smart Contract Hi there, As a senior Solidity developer with extensive experience in building DeFi smart contracts, I am excited about the opportunity to work on your project. I specialize in creating secure, efficient, and well-documented smart contracts that meet the requirements you have outlined. Deliverables: - Solidity smart contract implementing token swaps and liquidity management - Hardhat project with deployment and testing scripts - Comprehensive README documentation for usage and setup My focus is always on quality, client satisfaction, and timely delivery. Let’s connect to discuss further details and bring your vision to life. Best regards, Ali Haider

@trm66614

Hi there,Good evening I am Talha. I have read you project details i saw you need help with Solidity, JavaScript, PHP, Smart Contracts, Ethereum, Software Architecture, Blockchain and Java I am pleased to present my proposal, highlighting our extensive experience and proven track record in delivering exceptional results. Our portfolio of success will showcase past projects that demonstrate our ability to meet and exceed client expectations. Glowing testimonials from satisfied clients will attest to our professionalism, dedication, and the quality of our work Please note that the initial bid is an estimate, and the final quote will be provided after a thorough discussion of the project requirements or upon reviewing any detailed documentation you can share. Could you please share any available detailed documentation? I'm also open to further discussions to explore specific aspects of the project. Thanks Regards. Talha Ramzan

@toriquldev123

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam

@maximg10

Hello Nisar, I am really interested in your project since I have professional experience in developing DeFi smart contracts using Solidity. I have over 8 years of expertise in blockchain technologies and smart contract development, focusing on secure and efficient solutions. I propose to create a robust Solidity smart contract implementing token swaps, liquidity management, and fee mechanisms following the constant product formula. The contract will be well-documented, gas-efficient, and integrated with OpenZeppelin libraries for safety. If you have any questions or would like to discuss the project further and how I can assist, we can set up a meeting. Thanks, Maxim

@marcoc7

Hello, As an experienced full-stack developer with over a decade of experience, not only am I capable of creating the frontend for your DEX prototype but I can also expertly develop your smart contract precisely to meet your specifications. My background in JavaScript and Java equips me well with the necessary skills to tackle any challenge Solidity may throw at me. In fact, I've already incorporated OpenZeppelin libraries into my previous projects and integrated with them seamlessly, so your request for safety can be fully met. I understand the paramount importance of efficiency and security when dealing with finance and will ensure optimum performance and resilience for your smart contract. Furthermore, my attentive nature allows me to craft clean and well-documented code, so both you as a client and other possible developers can easily read and comprehend it. In addition to executing your required deliverables, including a versatile Hardhat setup for deployment and testing, I am more than capable of riding the extra mile. I can implement LP token minting and furnish comprehensive README documentation. So, choosing me for this pivotal role will lead to an audited, tested, efficiently performing smart contract that adheres to best practices while incorporating crucial bonus features. Thanks!

@justinw45

Hello Client, thanks for considering my proposal. I understand your need for an experienced Solidity developer to create a smart contract for token swaps and liquidity management, akin to a simplified Uniswap-style AMM. I plan to approach this project by leveraging my expertise in Solidity, Ethereum, and Smart Contracts to deliver a secure, efficient, and well-documented smart contract that facilitates token swapping, liquidity management, and fee application. With a strong background in PHP, JavaScript, and Java, I have successfully completed similar projects in the past, aligning with the requirements of your DeFi smart contract project. I am committed to clear and effective communication throughout the project, ensuring collaboration and transparency at every stage. Best regards, Justin

@devbaloni1983

Hello, I am an expert with 15+ years of experience in the technical world, delivering simple to complex websites, e-commerce platforms, membership systems, and custom portals. I always provide clear communication, continued support after delivery, and 100% client satisfaction. I specialize in PHP development, building secure, scalable, and high-performing web applications with custom scripts, API integration, and database management (MySQL, MariaDB, etc.). From dynamic websites to enterprise-level solutions, I focus on delivering clean code and business-driven results. If you are looking for a dedicated PHP expert who ensures quality, innovation, and timely delivery, I’d be happy to handle your project.

@KayaCreation

Hi! After reading your project "Solidity Developer for DeFi Smart Contract" detail this looks like a perfect fit for my skill sets. I am professional designer which have lot of experience for 11 years in Java, Ethereum, Smart Contracts, JavaScript, Blockchain, Solidity, Software Architecture and PHP. I am so interested with your project. If you choose me to do the project you will get: - Free revision - high quality and original design - high resolution image with transparent png file - extra fast delivery Please take a minute to click my profile and see my work. Thank you & look forward to the opportunity to work with you you can see my some work here: https://www.freelancer.in/u/KayaCreation With regards kaya

@Jodzis

Hello Nisar M., I’ve reviewed your project description and believe I’m an excellent fit for this role. I recently completed a similar project just a month ago. My background covers PHP, Java, JavaScript, Software Architecture, Blockchain, Ethereum, Solidity, Smart Contracts. Please come over chat and discuss your requirement in a detailed way. Regards

@Zawiya3

As an experienced developer with a diverse range of skills covering blockchain, software architecture, and JavaScript, I am ready to ensure that the smart contract to be developed for your DEX project ticks all the right boxes. Not only am I well-versed in the latest version of Solidity but my prior experience using OpenZeppelin libraries - specifically the IERC20 and RescueGuard - guarantee a highly-secure development process. Your project's core requirement of implementing a constant product formula utilizing `addLiquidity()`, `removeLiquidity()`, and `swap()` as well as a logging mechanism for transparency is something I have managed successfully in my previous projects. In fact, one of my strengths is creating clean and efficient code which will ultimately optimize gas usage. As an added bonus, the implementation of LP token minting is something I can easily facilitate for you. Moreover, having a Hardhat setup with deployment and testing scripts aligned with meticulous README documentation is standard procedure for me. Throughout my career, I've maintained thorough records to ensure minimal disruption during audits and smooth integration processes. In conclusion, my meticulously structured approach coupled with my keen eye for detail make me more than qualified to deliver on all your project requirements while maintaining security and efficiency at every level. Let us get your DEX prototype up and running!

@oleksandrbosyi

Dear Client, I’m excited about your project — it aligns perfectly with my experience and interests! With 12+ years working in PHP, Java, JavaScript, Software Architecture, Blockchain, Solidity, Smart Contracts and Ethereum, I’ve built solutions just like this before. I’d be happy to share what worked and how I can apply it to your case. Here’s why I could be a great fit: ✅ Clear communication, clean code, and fast delivery ✅ Secure, scalable, and future-proof architecture ✅ Ongoing support even after launch (6+ weeks, no extra charge) ✅ Focused on real results, not just code If you're open to a quick chat, I’d love to walk through how I can help make this a success. Looking forward to connecting! Cheers, Oleksandr