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Need expert for Blockchain/Web3

$10-50 USD / hour

Imeghairiwa
Imechapishwa 12 days ago

$10-50 USD / hour

Hello, Hope you are doing well. We're actively looking for a senior engineer with expert level Solidity smart contract skills with a web3 focus. You must have deep expertise in securing smart contracts using a combination of processes (ex: code reviews, audits), tools, and techniques. Bonus if you have a Security background. If your someone that's developed and shipped DeFi smart contracts holding significant value, we want to hear from you! This is a fully remote role and you'll be working in a fully distributed team with members across the globe. Responsibilities You'll implement new ideas, designing and testing complex DeFi smart contracts You'll take authority in your team checking your colleagues code for correctness and security Work with external security firms and implement their feedback Build tools and monitoring to ensure nominal operation Closely collaborate with cross-functional teams (engineering, product, design, marketing) What's on offer? Project: [login to view URL] How to Apply? If you meet the above criteria and excited about this opportunity, please preview the project and submit your application. We will be in touch if your application is successful. Thanks Maksym
Kitambulisho cha mradi: 38082497

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55 mapendekezo
Mradi wa mbali
Inatumika 7 days ago

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55 wafanyakazi huru wana zabuni kwa wastani $31 USD/saa kwa kazi hii
Picha ya Mtumiaji
As a senior engineer, I believe I have the necessary expertise and experience to be an excellent fit for this project. With a deep understanding of Solidity smart contracts, particularly in DeFi, combined with my successful track record in Blockchain development including ERC 721, Solana, Polygon, Bitcoin Core and more, I have the skills required to code, review, and secure contracts effectively. My previous projects have often dealt with high-value contracts necessitating an uncompromising security focus. I also have experience working with external security firms to ensure maximal protection. This understanding of the security and risk management aspects combined with my technical abilities would allow me to perform the responsibilities mentioned in your project framework efficiently. Working remotely in a distributed team has been the entirety of my career owing to which I am well-equipped to collaborate actively with members from different time-zones and backgrounds. Overall, I bring a combination of technical aptitude, domain knowledge and a practical mindset on ensuring secure operation which can leverage the opportunities in this project. Let's discuss further and explore how we can contribute to boosting your project's success together!
$50 USD ndani ya siku 40
5.0 (11 hakiki)
6.4
6.4
Picha ya Mtumiaji
I have over 5 years of experience as a blockchain developer working with web3 technologies, including creating and securing smart contracts. I have worked with Metamask Ethereum, polygon, Base Network, and P2E Games, and have a deep understanding of processes like code reviews and audits to ensure the security of smart contracts. I have collaborated closely with cross-functional teams to successfully implement new ideas and designs. Please review my profile for feedback and portfolio, and let's start chatting to discuss how I can contribute to your project.
$40 USD ndani ya siku 7
5.0 (2 hakiki)
5.8
5.8
Picha ya Mtumiaji
Hello Maksym P., I am Sadat Saeed, with 8 years of experience in Full Stack Development and Web3.js. I have carefully read the requirements and am confident in my ability to secure smart contracts and develop DeFi projects. My track record of successful projects and positive client feedback speaks to my expertise. Please review my portfolio at https://www.freelancer.ca/u/DGM999 and let's discuss further. Best regards, Sadat Saeed
$30 USD ndani ya siku 7
5.0 (2 hakiki)
4.0
4.0
Picha ya Mtumiaji
Good day! I have 6 years of experience in developing and securing Solidity smart contracts with a web3 focus. I am highly skilled in implementing new ideas, designing, and testing complex DeFi smart contracts. With my expertise, I can take authority in checking code for correctness and security within the team. I have a proven track record of collaborating with cross-functional teams and working with external security firms. Thank you. Li.
$30 USD ndani ya siku 40
5.0 (1 hakiki)
2.3
2.3
Picha ya Mtumiaji
My blockchain experience is extensive, having worked with blockchain since 2016. Have built DeFis, Dapps and NFT minting projects, as well as having worked with smart contracts in Solidity and Rust. My skills includes but not limited to: • 8+ Years exp. on blockchain, cryptocurrency, e-wallets, money exchange, bitcoin, cryptography, hashing, ETH, BTC also the following front-end frameworks: • HTML5 • CSS • Javascript • JQuery • React • Angular I never back down from a project and can handle any setup or framework specifications you may need. Having worked with many blockchain companies like GrowthDefi, along with big companies like FEDEX, I’m confident not only in my abilities but my professionalism. If you’re interested in working with me or discussing a potential project, don't hesitate to contact me Best Regards
$45 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Hello, I am a Blockchain/Web3 Developer with strong experience in Solidity smart contract development for DeFi projects and a strong focus on security. Sure, I will help you design, implement, and test complex DeFi smart contracts. I will conduct thorough code reviews, collaborate with external security firms, and build monitoring tools to ensure security and nominal operation. Additionally, I will closely collaborate with cross-functional teams. Questions: > Can you provide specific security requirements for the smart contracts? > What is the project timeline and deliverables? > Are there preferred technologies for tooling and monitoring? *** Please send me a message So we can have a quick discussion about your project and proceed further. Assured to deliver high-quality work with a fast turnaround. Looking forward to hearing from you. Regards.
$30 USD ndani ya siku 40
0.0 (0 hakiki)
3.4
3.4
Picha ya Mtumiaji
Hello! blockchain, it is for me, I know all the angles about Solidity smart contract,web3 , React.js with over good experience. Please chat...
$20 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Dear Maksym. This project seems a very fit work for me. I had done exactly the very similar work two month ago. I have extensive experience working on Solana, Ethereum and Smart Contract with 24 clients. I would like to grab this opportunity and will work till you get 100% satisfied with my work. Let's discuss it in more detail. Lastly, I am a person who are prefers cooperation and friendly-relationship rather than money. Regards
$25 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
As a seasoned full-stack developer, I've successfully worked on numerous complex web projects over the last six years, including blockchain development. This experience equips me with a comprehensive understanding of the core concepts of Blockchain and smart contract security - skills that are crucial for this project. Throughout my career, I have focused on providing my clients with cutting-edge technology, unique customized solutions, and fast turnaround times - all key aspects of this project. What sets me apart from others is my versatility with different frameworks like React.js, Vue.js, and Laravel which collectively contribute to my expertise in Solidity Smart Contracting. Furthermore, I have proficiently used tools like CakePHP and Django for building effective monitoring systems. In terms of your remote-based role, I maintain a level of professional autonomy that enables me to thrive even without immediate supervision. I'm accustomed to collaborating with cross-functional teams remotely and understand the importance of effective communication for streamlining workflow. I've previewed the project you've shared and am excited about the prospect of securing your DeFi contracts and adding value to your team. Let's connect soon to discuss further!
$30 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Drawing upon my 4+ years of expertise as a full-stack developer and my vast experience with numerous platforms, I believe I'm the ideal candidate to handle this prominent Blockchain/Web3 project. Having worked assiduously on various projects, I am confident in designing and testing complex smart contracts from the ground up. My proficiency in languages such as Solidity, Node.js, Python, and Ruby on Rails ensures a comprehensive approach from front-end design to back-end solutions to establish seamlessly functioning DeFi contracts. By selecting me, you're choosing more than just an engineer; you're acquiring an autonomous team player. I pride myself on effective collaboration, effectively communicating with cross-functional teams across time zones. As a freelancer who thrived in creating thousands of automated workflows, I guarantee innovative problem-solving skills that will ensure your needs are met accurately and efficiently every step of the way. In closing, I encourage you once again to preview the project and can confidently assure you that my skills and experience align perfectly with your needs. Let's embark on this exciting Blockchain/Web3 journey together!
$20 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Hello! As a seasoned full-stack developer with over 5 years of experience, I am equipped with the necessary skills to excel in this demanding blockchain project. My expertise traverses multiple domains including backend and frontend development, mobile app development, database management, cloud services, and even Japanese-English translation. What sets me apart is my extensive knowledge of Web3 and blockchain technology. I have hands-on experience working with Solidity for smart contract creation, and your focus on securing smart contracts aligns perfectly with my specialty. I employ top-tier security measures by conducting comprehensive code reviews and audits to ensure integrity and minimize vulnerabilities. My portfolio includes successful implementation of DeFi smart contracts that demonstrate stability and withstand considerable value, precisely what your project demands. Collaborating with geographically dispersed teams is second nature to me; I possess excellent communication skills (both verbal and written) in English ensuring seamless integration into any team structure. Thanks
$50 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Hello there, I'm Alexander, a seasoned full-stack developer with the professional years of experience. I can do your job completely. Thanks for posting your job. Alexander
$30 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Hi there, I'm Vlasie, and I have read the description of you project carefully. I would love to collaborate with you and contribute to your ongoing projects. Let's start chatting to discuss the project in more detail. I appreciate the opportunity to send you this proposal and I look forward to working with you! Sincerely, Vlasie.
$30 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Hello, how are you? As an experienced full-stack engineer, my time in the industry has equipped me with a comprehensive knowledge of different technologies and domains - Blockchain and Full Stack Development being two of them. My expertise extends beyond just coding; I understand intricacies like code-reviews, smart-contract audits, and securing systems, which are highly valued in the blockchain ecosystem. Working remote and thoroughly cryptocurrencies have been a part of my working life for many years now. Being fully distributed is not a novelty to me as it has provided me with a global perspective that helps in cross-functional collaboration. I've integrated APIs, including payment gateways like Stripe, wallet systems, etc., that have given me a hands-on experience with how DeFi smart contracts work and the need for their cautionary development. Thanks
$30 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Hello, I came across your requirement for web3 development and believe that our team could be the perfect fit for your project. With more than 10 years of experience in blockchain development, we have the expertise to deliver a customized solution tailored to your needs. Please let us know a convenient time for a chat, or feel free to provide us with more information about your requirements over chat. We look forward to the possibility of working with you. Warm regards, caroldata
$40 USD ndani ya siku 40
0.0 (0 hakiki)
2.6
2.6
Picha ya Mtumiaji
Hi! I read your requirement carefully and I'm very confident in your project. It's not new to me. Who you are looking for is just me. I'm ready to start and looking forward to your response. We can discuss more details on chat or call. Thank you.
$30 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Greetings Maksym, can you provide more details about the specific DeFi smart contracts that need to be implemented as part of the project? What security measures have been considered for securing the smart contracts, and are there any specific security standards or protocols that need to be followed? Are there any particular tools or techniques preferred for code reviews, audits, and security testing of smart contracts? I can help you in your project, I will work closely with your team to understand the project goals, define clear deliverables, and establish efficient workflows. By leveraging my expertise in smart contract development and security, I will help drive the project forward and ensure its successful completion. Please feel free to reach me out for further discussion and finalize the project. Bid amount is not fixed! Thank You, Muhammad Abrar Portfolio will be shared via chat.
$40 USD ndani ya siku 45
0.0 (0 hakiki)
0.0
0.0
Picha ya Mtumiaji
Dear Maksym, as a professional full stack web3 developer, I am very familiar with solidity smart contract and dApp development. I can handle this project according to your requirement professionally. Kindly message me for further discussion. Thank you
$30 USD ndani ya siku 40
0.0 (0 hakiki)
0.0
0.0

Kuhusu mteja

Bedera ya UNITED STATES
Poltava, United States
0.0
0
Njia ya malipo imethibitishwa
Mwanachama tangu Feb 27, 2024

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