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!

Sur 21,152 commentaires, les clients ont évalué nos Solidity Experts 4.86 sur 5 étoiles.
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    11 travaux trouvés au tarif de EUR

    We're looking for an advanced Solidity developer to help us create a staking contract so that owners of our ERC-20 token can earn interest. We want to understand how much time and effort will be required to develop our new smart contract, thinking about the best way to do this to save cost. Can we use a staking template and customize it? The successful candidate will have had experience building and launching a staking contract and must have an advanced understanding of Solodity-based smart contracts. - Describe your recent experience with similar projects - What frameworks have you worked with?

    €1121 (Avg Bid)
    €1121 Offre moyenne
    27 offres
    uml designer 5 jours left
    VERIFIÉ

    I'm looking for a UML designer to help me to design diagrams for a blockchain based decentralised application. You should have some knowledge of blockchain and smart contracts , since the application is based on a public blockchain architecture. Primarily, I need system component diagrams. It is for a school project nothing major. The project will involve outlining the individual components of the system and developing a structure which can be assessed and understood more easily. You will need to have a good knowledge of UML diagrams to be able to accurately define this system in a diagram. It's important that you are highly experienced in designing class diagrams and creating diagrams for complex systems. I need someone who is able to work efficiently within the given timel...

    €82 (Avg Bid)
    €82 Offre moyenne
    9 offres
    Flash USDT TRC20 5 jours left

    We want the script/UI to do the following stuff: - Generate USDT Flash TRC20 Transactions - Define the time that the transaction can remain in the wallet - Define the charges of the blockchain networks for a quick confirmation - VPN and TOR options included with proxy - Option to show whether the transaction gets full confirmation or zero confirmations - Support all wallets - Segwit and legacy address - 100% confirmed transaction - Ability to spend bitcoins on any other address (Segwit address, legacy, Segwit / bch32) - Works with all wallets - Can be transferable wallet to wallet more than 2 times minimum Previous experience are preferred

    €281 (Avg Bid)
    €281 Offre moyenne
    2 offres

    We want to build a script or explain a solution for dynamically calculating the buy / sell taxes of any valid ERC20 contract. Essentially user inputs a ERC20 token contract, how would we be able to calculate the buy / sell taxes of that contarct and every other erc20 contract? We want a "one fits all" solution. Skills and Experience: - Proficiency in Solidity programming language - Experience with ERC20 contracts and token creation - Knowledge of advanced security measures for smart contracts

    €36 / hr (Avg Bid)
    €36 / hr Offre moyenne
    17 offres

    Number of Screen: 1. Login Screen 2. Create Account Screen 3. Forgot Password 4. Import Wallet 5. Home Screen 6. Send /Receive Coin Screen / Transaction 7. Transaction confirmation screen 8. Transaction List (tabs) 9. Token List 10. Add Network Screen 11. Modal popup Functions: 1. Create a function to create a EVM based wallet a. Return: Output mnemonic phrase 2. Create a function to restore wallet using mnemonic phrase 3. Create a function to encrypt private key using password 4. Create a function to create N number of wallet 5. Create a function to import wallet , input would be private key or keystore json. 6. Write a function to get balance of all wallets

    €234 - €703
    Scellé
    €234 - €703
    56 offres

    Hello. We are looking for Blockchain Development companies who are in a position to develop plenty of crypto projects. We are a network where we want to attract new crypto projects for fundraising. For more details, let's have a chat.

    €14 (Avg Bid)
    €14 Offre moyenne
    6 offres
    Cyclos 4 pro configuration 2 jours left
    VERIFIÉ

    Project Description: Cyclos 4 Pro Configuration I am seeking a skilled freelancer to assist with the configuration of Cyclos 4 Pro. The specific configurations required for this project include: - Custom branding: I would like to customize the branding elements of Cyclos 4 Pro to align with my organization's visual identity. It is important to note that there are no existing users that need to be migrated to the new configuration. The ideal freelancer for this job would have experience and expertise in configuring Cyclos 4 Pro, with a focus on custom branding. Additionally, the freelancer should be able to work efficiently and deliver results within a week.

    €22 / hr (Avg Bid)
    €22 / hr Offre moyenne
    36 offres
    IDO Launchpad 2 jours left

    I am looking for a freelancer to provide IDO launchpad services with a timeline of 1-3 months. The services needed include technical development, including source code, admin panel, whitelisting-blacklisting, private and public sale, sales will have tier formatter . I have no specific technical requirements or features, so I am open to suggestions from the freelancer. The end goal is to have an IDO launchpad equipped with all the necessary features and set up correctly. If you think you have the skills and experience to complete this project successfully, please apply

    €7417 (Avg Bid)
    €7417 Offre moyenne
    39 offres

    I am looking for a skilled developer to create a SWAP option for our new token v.s USDT (ERC-20). The purpose of this SWAP option is to attract new investors to our token. Project Requirements: - Develop a SWAP option that allows users to exchange our token for USDT. - The SWAP option should be built on the ERC-20 blockchain. - Implement necessary security measures to ensure the safety of the SWAP process. - The SWAP option should be user-friendly and intuitive. Ideal Skills and Experience: - Proficiency in blockchain development and smart contracts. - Experience with ERC-20 token development and integration. - Knowledge of liquidity pools and decentralized exchanges. - Strong understanding of security protocols and best practices. Timeline: - The completion of this proj...

    €1624 (Avg Bid)
    €1624 Offre moyenne
    21 offres
    Create smart contract 1 jour left
    VERIFIÉ

    Smart Contract Creation on Ethereum 0xb69edbD0527F448b650676C7085E15a7422791c5 Same contract on eth Name change total supply change - 10M Fixed tax Tax not modifiable Experience with stealth launch HTML experience

    €460 (Avg Bid)
    €460 Offre moyenne
    53 offres
    Fix Bep20 token contract 17 heures left
    VERIFIÉ

    I am having an issue with a Bep20 token contract not functioning as intended. It collects tax on sell, but it should also collect tax when buying tokens. I have the source code for the token contract, I just need the issue fixed.

    €24 (Avg Bid)
    €24 Offre moyenne
    6 offres

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