Solidity is a programming language that is primarily used to create decentralized applications (dApps) and crypto tokens. It is used within the blockchain space to code, verify, and secure transactions on Ethereum-based networks. By hiring a Solidity Expert, they can write, debug and deploy various smart contracts on Ethereum as well as ensure compliance of their smart contracts with standards like ERC20 & ERC721 tokens.

Having a qualified Solidity Expert can bring you the peace of mind knowing that you are dealing with a subject matter specialist. Freelancer.com has many skilled Solidity Experts who can help you build sophisticated software solutions with the highest of quality with their proficiency in writing efficient smart contracts in Solidity.

Here's some projects that our expert Solidity Experts made real:

  • Updating existing Smart Contracts
  • Developing financial bots and trading networks
  • Creating dApps on alternative blockchain networks
  • Designing new money transferring systems
  • Auditing pre-existing token protocols
  • Creating novel blockchain ecosystems
  • Developing NFT marketplaces

When it comes to blockchain coding and programming complex code, there is no better way to do it securely than using Solidity. With its ever increasing importance in many facets of decentralized technology, having an experienced Solidity Expert on your team could be the competitive edge you need. So why wait? Post your project now on Freelancer.com and hire a Solidity Expert and create an unthinkable product or system!

From 25,506 reviews, clients rate our Solidity Experts 4.86 out of 5 stars.
Hire Solidity Experts

Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    15 jobs found, pricing in CAD

    I am looking for an experienced blockchain developer with expertise in the creation of Decentralized Applications (DApps). - The aim is to develop a DApp for our online cheque clearance and verification system. - Key features should include cheque scanning and image recognition, real-time verification with banking databases, and an audit trail with full transaction history. - Applicants should have a strong knowledge of smart contract development and proven experience with similar financial services applications. - The optimal freelancer would understand the ins and outs of creating secure, efficient, and user-friendly systems. Your bidding proposal should demonstrate your understanding of the special considerations needed for the financial industry particularly around data security...

    $23 (Avg Bid)
    $23 Avg Bid
    9 bids

    I am hiring for a Full Stack Web3 developer for my team. Tech Stack: Blockchain: Blast (EVM) Frontend: Typescript + NextJS + Tailwind + Vercel + WAGMI + Ethers V5 + Typechain Backend: Typescript + Vercel Lambda + tRPC + AWS + Prisma ORM + Ethers V5 + Typechain + Upstash Redis Database: MySQL (Planet Scale) + AWS S3 Storage Randomization: Gelato VRF Static File Hosting: AWS S3, Pinata Smart Contracts: Foundry, Hardhat Monorepo. Here you go: Objective: Design and implement a scalable backend and frontend system for tracking and displaying NFT transactions similar to the "Activity" feature on OpenSea The system should handle varying loads seamlessly, from 500 to 50,000 users. Tasks: System Architecture Design: Task: Design the overall architecture for the activity tracking sys...

    $10605 (Avg Bid)
    $10605 Avg Bid
    39 bids

    **Project Summary:** I am in need of a developer to construct a specialized volume enhancement bot tailored for the BASE chain. The main goal of this bot is to augment trading volume through automated buy and sell operations, and to increase token distribution by managing multiple wallet accounts. **Key Functionalities:** - **Automated Transactions:** The bot will independently execute buy and sell transactions to boost trading activity. - **Distribution Management:** It aims to expand token holder base by efficiently distributing tokens across a variety of wallets. **Preferred Qualifications:** - **BASE Chain Development Expertise:** Solid experience and technical know-how in BASE chain technologies. - **Crypto Bot Creation Experience:** Demonstrable experience in the design and opera...

    $421 (Avg Bid)
    $421 Avg Bid
    17 bids
    Launchpad Developer Needed 4 days left
    VERIFIED

    Our company is seeking an experienced developer to build a robust and user-friendly launchpad platform. The ideal candidate will have a strong background in blockchain technology, smart contract development, and platform integration. Responsibilities: - Develop and implement a secure, scalable launchpad platform. - Design and deploy smart contracts for token launches. - Ensure platform security and compliance with industry standards. - Collaborate with the team to integrate the platform with other services. - Provide ongoing maintenance and updates. Qualifications: - Proven experience in blockchain development. - Proficiency in smart contract programming (e.g., Solidity). - Strong understanding of platform security and scalability. - Excellent problem-solving and communication skills. - ...

    $80 / hr (Avg Bid)
    $80 / hr Avg Bid
    14 bids

    I am seeking a skilled solidity blockchain developer to create multi-signature smart contracts to handle financial transactions. Key Responsibilities: adding features debugging maintenance - Develop multi-signature smart contracts on the Ethereum blockchain. - Perform thorough testing to ensure contract security and functionality. Ideal Skills and Experience: - Profound knowledge of Solidity and Ethereum blockchain. - Experience in developing and deploying multi-signature smart contracts. - Strong understanding of financial transactions processing. - Familiarity with smart contract testing and debugging. Please show examples of previous smart contracts you've developed, especially multi-signature contracts for financial transactions. Have in mind that a thorough understanding of...

    $30 / hr (Avg Bid)
    $30 / hr Avg Bid
    24 bids

    I am seeking a proficient blockchain developer who can assist me in creating a gaming-focused decentralized application (DApp) on the Ethereum network. Key Responsibilities: - Design and develop a user-friendly, interactive DApp that caters specifically to gaming - Ensure the DApp is secure, reliable, and performs efficiently on the Ethereum network - Collaborate with me to bring creative and innovative ideas to life in the DApp The ideal candidate should have: - Proven experience in developing DApps on the Ethereum network - A strong understanding of blockchain technology, smart contracts, and the Ethereum ecosystem - Prior experience in gaming-focused DApp development is highly preferred - Excellent communication skills and the ability to work collaboratively

    $5988 (Avg Bid)
    $5988 Avg Bid
    38 bids

    I'm looking for a skilled blockchain engineer with significant experience in developing ERC20 tokens and NFTs. The purpose of these tokens will be for a medium-complexity gaming project, particularly focusing on in-game economies. Key Responsibilities: - Develop an ERC20 token: You will be responsible for creating a custom token that aligns with the requirements of the gaming project. - NFT Development: You should have a deep understanding of NFTs and be able to create unique, non-fungible assets for the game. Job Specifics: - Purpose: The main intention of these tokens is to be used within a medium-complexity game. - Industry Focus: The tokens are focused on the gaming industry, specifically for in-game economies. Ideal Candidate: - Proficient in ERC20 token development and NFT cr...

    $3888 (Avg Bid)
    $3888 Avg Bid
    51 bids

    My project requires a well-versed professional proficient in to extract critical takeoff quantities from IFC files and integrate them flawlessly into operational smart contracts. Key requirements include: - Extraction of material types and quantity calculations from IFC files - Direct integration of the extracted data into smart contracts to ensure automatic updates - Generation of detailed reports that will pave the way for seamless smart contract integration The perfect candidate will have a strong front-end development foundation and proficiency in IFC.js. Experience with ReactJS and blockchain technology is also essential for the job. Your primary task is to create a user-friendly interface that makes integrating IFC files into smart contracts a breeze. Efficiency, accuracy, and an...

    $16 (Avg Bid)
    $16 Avg Bid
    2 bids

    We are embarking on an ambitious project to develop a cutting-edge decentralized finance (DeFi) application using Node.js as the primary technology stack. Our goal is to create a platform that revolutionizes the way users engage with financial services by leveraging blockchain technology and smart contracts. The project presents an exciting opportunity to be at the forefront of the rapidly evolving DeFi space. Required Skills: Proficiency in Node.js development Experience with blockchain development, particularly Ethereum Familiarity with DeFi protocols and concepts Strong understanding of RESTful APIs Knowledge of security best practices in blockchain development Project Scope: The DeFi app will encompass various features and functionalities Timeline and Budget: Expected timeline for ...

    $50928 (Avg Bid)
    $50928 Avg Bid
    60 bids

    I am in need of a solidity developer who can incorporate a feature for swapping decimal numbers into an existing token. This task calls for: - An accomplished developer, versed in solidity. - The candidate ideally will have a background in actioning similar token system alterations. - I would appreciate reading about your previous relevant experiences in your application. If you have successfully manipulated token decimal numbers in the past, I would be especially interested in hearing about it. Your task will be to seamlessly add this functionality, making sure the existing token system is not disrupted. To reiterate, experience in similar projects will be a crucial factor in my decision-making process.

    $674 (Avg Bid)
    $674 Avg Bid
    51 bids
    Urgent Setup of Quorum Chain 1 day left
    VERIFIED

    I need a skilled professional to quickly set up a Quorum chain on a Linux server. Key Tasks: - Configure the Quorum chain on the server - Ensure it's optimized for handling doctor appointment data This is an urgent project, so I need someone with the flexibility to start immediately. Please have prior experience with setting up Quorum chains and optimizing them for specific data management purposes.

    $408 (Avg Bid)
    $408 Avg Bid
    6 bids

    This role is responsible for the development, deployment, and management of a decentralized AI and GPU-sharing platform. The ideal candidate will combine expertise in AI, blockchain technology, and systems infrastructure to drive the implementation and scalability of the platform. Responsibilities: Design and develop a Layer 1 blockchain infrastructure specifically optimized for task distribution in decentralized environments. Design, implement, and maintain AI services using popular frameworks such as TensorFlow, PyTorch, Caffe2, and MXNet. Develop blockchain components, focusing on smart contracts and decentralized applications (DApps) integration. Manage cloud-based and on-premise GPU nodes, including deployment, scaling, and monitoring. Ensure system reliability and scalability throu...

    $1998 (Avg Bid)
    $1998 Avg Bid
    62 bids

    I'm in need of a knowledgeable Blockchain Engineer with a robust understanding of Solidity for the creation of a cutting-edge Cryptocurrency Exchange platform. Key Responsibilities: - Design, develop, and deploy a secure and efficient Cryptocurrency Exchange. Ideal Skills: - Solid working knowledge of Solidity programming language is a must. - Prior experience in designing and implementing crypto exchanges will be highly appreciated. - Profound understanding of blockchain technology, its application, and its potential. Note: Specific cryptocurrencies to be supported within the exchange are yet to be decided. Your suggestions would be a great addition during our brainstorming process. This opportunity is perfect for champions who thrive on challenges and innovation. I loo...

    $1668 (Avg Bid)
    $1668 Avg Bid
    51 bids

    I am in need of a skilled blockchain developer who specifically has experience with Ethereum. My main requirement is to set up a robust blockchain network for my project. This network will need to have the capability to execute automated transactions. Key Tasks: - Create a secure and efficient Ethereum blockchain network - Implement automated transaction functionality Ideal Skills: - Proven experience working with Ethereum blockchain technology - Expertise in setting up blockchain networks - Extensive knowledge in smart contract development - Strong understanding of automated transactions - Ability to work with full transparency and communicate effectively

    $16 (Avg Bid)
    $16 Avg Bid
    5 bids

    I'm in need of expert developers who specialize in creating smart contracts on the Ethereum blockchain. Im looking for assistance in dealing with flash loans. The main function of our contract will center around the exciting field of Decentralized Finance (DeFi). Key features the contract should include are: - Yield Farming capabilities - Lending and Borrowing functionality - Liquidity Pool integration Ideal freelance candidates should have: - Proficiency in Solidity programming - In-depth understanding of the Ethereum blockchain environment - Prior experience in designing and implementing DeFi smart contracts - Proven track record with Yield Farming, Lending/Borrowing, and Liquidity Pool systems Please, only bid if you're confident in fulfilling these requirements. Looking ...

    $470 (Avg Bid)
    $470 Avg Bid
    5 bids

    Recommended Articles Just for You

    If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
    11 MIN READ
    Learn how to find and work with a top-rated Google Chrome Developer for your project today!
    15 MIN READ
    Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.
    15 MIN READ