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Blockchain, is a technology that encompasses digital records or information, referred to as “blocks”, that are linked together securely and share the same network. This distributed ledger technology is the backbone of a new wave of innovation being implemented into our lives, with new disruptive applications and solutions seen in a growing number of industries. Clients may hire a Blockchain Developer to harness this power and build a secure digital platform tailored to their business needs.

A Blockchain Developer can create unique solutions leveraging blockchain technology to securely store, access, mine and distribute data in an efficient manner. They can leverage features such as blockchain tokens for payments, smart contracts for automated transactions, privacy layers and data protection techniques. Additionally, the expertise of a Blockchain Developer will ensure the project complies with industry standards, ensuring secure data and validation.

Here's some projects that our expert Blockchain Developer made real:

  • Creation of custom applications for fast and secure NFT (Non-Fungible Token) transactions
  • Developments of tools that allow synchronization with physical products using Bluetooth protocol
  • Integrations between wallets hosting cryptographic assets with ecommerce providers
  • The establishment of exploratory networks to provide insights into decentralized ecosystems
  • Developments to foster the growth of peer-to-peer energy trading networks

At Freelancer.com customers have posted amazing projects covering a variety of use cases related to blockchain utilising the Freelancer verified experts. With help from professionals on Freelancer.com customers can create unique projects addressing their business needs with safety, security and legality in mind. Rock your blockchain project today and hire an expert Blockchain Developer on Freelancer.com now!

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    27 trabajados encontrados, precios en USD

    I am looking for a proficient Blockchain developer who can build a Decentralized Application (DApp) on the Ethereum platform. Even though I skipped a couple of questions about specific features and user interface, I'm open to discussions concerning these aspects. Key Responsibilities: • Develop an Ethereum-based DApp • Discuss potential features and user interface design Ideal Candidate: • Proficiency in Solidity and understanding of Ethereum • Experienced in DApp development • Knowledge of is desirable • Strong understanding of blockchain technology and smart contract functionality • Proven experience in token generation and decentralized exchanges is a plus • Ability to deliver intuitive and modern UI/UX design. I look forward to meeting a...

    $440 (Avg Bid)
    Destacado
    $440 Oferta promedio
    26 ofertas

    I'm looking for a skilled Solana smart contract developer to create a custom token with a unique feature. The token should be created on the Solana blockchain, and have the capability for Dollar Cost Averaging. This involves: - **Automated Recurring Buys:** The main functionality for the Dollar Cost Averaging feature is automated recurring buys. This means the token should be able to initiate purchases at pre-determined intervals without manual intervention. The ideal candidate for this project should have: - Previous experience in creating tokens on the Solana blockchain - Expertise in developing smart contracts with specific features - Knowledge of the Solidity programming language - Understanding of the concept of Dollar Cost Averaging - Ability to deliver a secure and efficient...

    $388 (Avg Bid)
    $388 Oferta promedio
    16 ofertas

    Position: Web3 Overseas Business Development Manager Location: Remote (Preference for candidates based in Eastern Europe) Role Summary: As the Web3 Overseas Business Development Manager, you will play a crucial role in expanding our presence in the international market. You will be responsible for pitching our projects to potential investors, establishing and managing relationships with investment institutions, and forging strategic partnerships. This role requires a proactive and results-driven individual with a deep understanding of the Web3 ecosystem and excellent communication skills. Key Responsibilities: **Twitter Spaces & AMA Hosting:**Organize and host Twitter Spaces and AMA (Ask Me Anything) sessions to engage with the community and promote Apus Network. Collaborate with o...

    $22 / hr (Avg Bid)
    $22 / hr Oferta promedio
    6 ofertas

    I'm looking for a developer fluent in Solana blockchain technology with a focus on building a token swapping functionality for the Raydium Swap. Key Responsibilities: - Design and implement a seamless token swapping feature - Integrate the token swapping functionality with Solana blockchain - Ensure the functionality is secure and user-friendly Ideal Skills and Experience: - Proficient in Solana blockchain development - Proven experience in token swapping development - Familiarity with creating secure, efficient, and user-friendly features - Strong problem-solving skills and attention to detail The successful candidate will primarily be responsible for enabling users to swap tokens effectively using the Raydium Swap. This will involve integrating the functionality with the Solana b...

    $111 (Avg Bid)
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    29 ofertas
    Ethereum Price Trends Dashboard 5 días left
    VERIFICADO

    I need a crypto dashboard based on dextools api that shows the 1 day, 3 day, 7 day, 14 day, 30 day, and all time performance of the coin. You should be able to sort by each timeframe

    $1204 (Avg Bid)
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    The project requires a thorough analysis of cryptocurrency. Please do not respond if you don't have a strong understanding of cryptocurrencies/blockchain (you will be tested). This encompassing: - Monitoring of price trends - Assessment of market volume - Sentiment analysis - Evaluation of price performance on a monthly basis. - Evolution of tokens issued etc. Rapid execution of this project is crucial. I am looking for individuals with financial analysis capabilities, and prior experience in the crypto market is required. Skills in data prediction, data analysis and market trend assessment are ideal for the job. Your responsibilities would also include providing me with an insightful understanding of the market sentiment, lock up of tokens, VC investments, activity on the blockc...

    $20 / hr (Avg Bid)
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    21 ofertas
    BSC Token Stake w/ Referral System 5 días left
    VERIFICADO

    I'm looking for a skilled blockchain developer who can help me create a crypto stake plan with a referral program. The token will be based on the Binance Smart Chain (BSC) and follow the BEP20 standard. If you have already please send link Key Features: - Multi-level rewards: The referral program needs to accommodate a multi-level structure to incentivize different tiers of referrals. - Direct referral bonuses: Ensure that users get rewarded for directly referring new participants. - Performance-based incentives: The system should be able to track and reward users based on their performance within the program. - Plan package stake: The stake plan should be constructed in a way that users can select different packages for staking. Ideal Skills: - Deep understanding of blockchain tech...

    $311 (Avg Bid)
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    37 ofertas

    I have a developer creating a membership site for me and I need a crypto payment solution. I want to accept 2 crypto tokens 1 will be at a cheaper rate than the other and will be a monthly payment but need a lifetime member option which will be at a higher rate. I just need something created where they can easily pay with crypto and after successful payment it will return to member area. Both tokens will be on bsc the first will be USDT and the second will be my projects token.

    $238 (Avg Bid)
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    27 ofertas

    12 months ago I launched a token and after a moderate presale it failed when it went to market and is dead now. Seeing that the coin is dead I wish to unlock my liquidity which is still locked until a few days time with pinklock but I don't know how to access it. I will give all details before hiring so you can check and confirm the amount and will hire winner to help me retrieve the liquidity.

    $128 (Avg Bid)
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    27 ofertas

    Hello Freelancers, I am currently facing an issue with performing a token swap due to insufficient Ethereum (ETH) to cover gas fees. I need assistance with obtaining a small amount of ETH and completing the swap. Below are the details of my requirements: Requirements: Ethereum Transfer: I need a small amount of Ethereum (approximately 0.01 ETH) transferred to my wallet to cover gas fees. Please specify your method for transferring the required ETH to my wallet. Guidance on Token Swap: Provide step-by-step guidance on how to perform the token swap on my chosen platform (e.g., Uniswap, SushiSwap, etc.). Ensure the swap is successful and verify that the transaction is completed without issues. Security and Privacy: Ensure all transactions are secure and private. Share best practices for ...

    $227 (Avg Bid)
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    7 ofertas

    The objective of this project is to create a smart contract on Solana utilizing Rust programming language. The primary goal of this smart contract will be to generate revenue for a specific organization through automatic allocation of funds to an external wallet. KEY FEATURES REQUIRED: * The contract should have the ability to manage ownership transfer. * It would need to direct funds to an external wallet after every transaction is completed. The successful freelancer will have a strong understanding of blockchain and smart contracts, particularly on the Solana platform. Proficiency in Rust is a non-negotiable requirement. Experience of working on revenue generation projects would be a plus. Your tasks will include developing, testing and implementing the smart contract as per our s...

    $1049 (Avg Bid)
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    10 ofertas

    I'm seeking a skilled blockchain developer with expertise in Solidity programming and Ethereum Virtual Machine (EVM) for the development of a decentralized application (dApp) with DeFi functionalities. We want to build this: With some changes: - colors, branding - different EVM blockchain (Base) I have the codebase, and the contract. What I need is: - for you to modify codebase for new contract, and new design. - host it (on Netlify, or something similiar if you think it is better). Or explain me how to host it. - assist me with testing on testnet.

    $51 / hr (Avg Bid)
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    70 ofertas
    Dextool/ Dexscreener Clone 3 días left
    VERIFICADO

    I'm looking for a skilled developer to create a Defi similar to Dextool/Dexscreener. The project will require a comprehensive understanding of cryptocurrency markets, and the ability to create a robust tracking and information system. Ideal skills and experience for this project include: - Proficiency with real-time data integration - Extensive experience with cryptocurrency-related projects - Strong analytical and problem-solving skills - Familiarity with blockchain technologies - The ability to design and develop user-friendly interfaces I need a clone of Dexscreener for the BASE chain. a. We need to pull data from various AMMs like UniSwap, base swap, Alien Base, PCS b. Display those data in our design which is pretty much similar to Dexscreener c. Dex supports many Blockch...

    $4833 (Avg Bid)
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    14 ofertas
    Trophy icon Tron Smart Contract Developer 1 día left

    We are looking for a skilled Tron developer to join our team and help develop a smart contract for a wallet application. The ideal candidate should have experience with Tron blockchain development and be familiar with BIP 39 or BIP 44 for address generation. Responsibilities: 1) Develop a smart contract on the Tron blockchain for a wallet application. 2) Implement functionality for address generation using BIP 39 or BIP 44. 3) Ensure that fees for all wallet transactions, including sending TRX or any ERC10 or ERC20 tokens, are deducted from a specified multiple accounts assigned in the smart contract, and not from user. 4) Also user need to pay the fees to the contract as an escrow, i.e. user will not pay the transaction fee, the transaction fee will be paid by the assigned accounts in ...

    $1000 (Avg Bid)
    Garantizado
    $1000
    10 participaciones

    I'm looking to develop a blockchain project specifically aimed at the healthcare sector, with a primary focus on benefiting patients. The core functionality of this project will revolve around the implementation of smart contracts and automation. Key objectives and requirements: - The project should be built on a secure and highly encrypted blockchain framework. - The solution should facilitate transparency and decentralization within the healthcare industry. - Implementation of smart contracts will be a critical feature, automating processes and enhancing the efficiency of operations. - The end users of this blockchain solution are primarily patients, meaning that the platform should be designed with user-friendly features and clear communication in mind. Ideal skills and experien...

    $1178 (Avg Bid)
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    27 ofertas

    I'm looking for a skilled developer to help me create a sniper bot that operates on Raydium and leverages the Solana blockchain. Key Requirements: - Operation on the Raydium exchange: The bot should be able to execute trades on this specific exchange efficiently. - Criteria for trading: The bot should have the capability to identify and act upon specific criteria including buy/sell thresholds, liquidity pool monitoring and slippage tolerance. These criteria will be provided to the developer in detail. - Frequency: I want the bot to scan and execute trades on Raydium every 10 seconds. The ideal freelancer for this project should have experience in developing trading bots, particularly on the Solana blockchain. Additionally, experience with Raydium and the specific criteria I&#...

    $1345 (Avg Bid)
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    65 ofertas

    I'm in need of a skilled individual who is proficient in blockchain and wallet analysis, specifically on the Arbitrum blockchain. The project involves analyzing transaction patterns and wallet balances and activities. Key Requirements: - Proficiency in blockchain analysis, particularly on the Arbitrum blockchain - Ability to identify patterns and trends in transactions - Proficient in analyzing wallet balances and activities Deliverables: - A comprehensive report that includes methodology, analysis, and conclusion - The report should be presented in a combination of written format and visual presentation (charts and graphs) Please note that I will provide you with access to the necessary pages and data on Arbiscan. Your task will be to fetch data, analyze it, and present it in a d...

    $11 (Avg Bid)
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    5 ofertas

    I'm looking for an experienced NFT specialist who can sell unique NFTs. The ideal candidate for this task would be deeply familiar with the OpenSea platform, as this is my preferred marketplace for NFT sales. They should have a good understanding of how to market and cater to a diverse target audience including art collectors, crypto enthusiasts, and the general public, as well as traders and investors. To successfully carry out this project, the freelancer will need: - Expertise in NFTs and the digital asset landscape - Strong familiarity with the OpenSea platform and other NFT marketplaces - Proven experience in digital marketing and sales - Adequate understanding of art, crypto, and the general public's interests - An ability to connect with potential collectors, crypto enth...

    $2396 (Avg Bid)
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    I'm in need of a skilled Rust developer who can work on building a Dex on Solana. Ideal Skills: - Proficient in Rust - Experience in working with Solana - Understanding of building decentralized exchanges - Knowledge in blockchain technologies The main task is to construct a decentralized exchange on Solana. Experience in building Dex is a must, as well as having a good understanding of how to optimize trading pairs and match orders efficiently. Please provide examples of your past work that are relevant to this project. I would like to see the projects you've worked on and your experience in this field. A detailed project proposal would also be appreciated. Looking forward to working with a skilled Rust developer who can bring this project to life.

    $1179 (Avg Bid)
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    I am in need of a talented blockchain developer who can create a BEP20 Crypto Wallet with integrated smart contract capabilities. Key Requirements: - Cryptocurrency Support: The wallet should primarily support BEP20 tokens, enabling users to store and manage this particular type of cryptocurrency. - Smart Contract Functionalities: The smart contract within the wallet should enable contract deployment and execution. Ideally, I would like the smart contract to also have a specific feature for generating a consistent income for users. - Cross-Platform Accessibility: The wallet should be designed for mobile use, available on both iOS and Android devices. Ideal Skills and Experience: - Proficiency in BEP20 Token Development: Experience in creating and handling BEP20 tokens is crucial...

    $1434 (Avg Bid)
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    23 ofertas
    Flash usdt or btc 1 día left
    VERIFICADO

    I'm seeking a skilled developer to create a BTC USDT flash application. The cryptos must show logo and valué on any wallet. Need to be transferible to any exchange wallet. Need to be kept on the wallet forever (negociable) and very important need to be tested to seal the deal.

    $1117 (Avg Bid)
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    I am seeking a proficient blockchain engineer on TON blockchain (The Open Network) to implement a wide array of smart contracts on my website. The successful freelancer will have extensive experience with: - Token creation and management - Decentralized finance (DeFi) protocols - Non-fungible tokens (NFTs) - Processes of Buying Jetton, conversions, NFT launches - Creating secondary marketplace - Burning NFTs ---------- About project: STONE on TON This project introduces an innovative approach by creating an efficient ecosystem for launching and selling collections of goods from various sources on the Ton blockchain. The project's combination of RWA, unique collections, buyer privacy, and proprietary storage provides convenience and security for project participants. Problem-...

    $2684 (Avg Bid)
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    33 ofertas

    solana nodejs code for multi-swap within same tx.

    $21 (Avg Bid)
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    I'm looking to build a project on the Solana blockchain. The main goal of the project is to be a DeFi platform similar to polymarket.com. The key feature I'm looking to incorporate is price prediction algorithms. Key Points: - Develop a Decentralized Finance (DeFi) platform on Solana blockchain - Incorporate Price Prediction Algorithms as the main forecasting tool - The layout and functionalities of the platform should be similar to Polymarket Ideal Skillset: - Solid understanding of blockchain technology, particularly Solana - Proficient in DeFi development - Experience in implementing Price Prediction Algorithms - Familiarity with platforms like Polymarket and similar forecasting tools This project requires a freelancer with a deep understanding of DeFi platforms, blockch...

    $863 (Avg Bid)
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    45 ofertas

    I'm looking to build a project on the Solana blockchain. The main goal of the project is to be a DeFi platform similar to polymarket.com. The key feature I'm looking to incorporate is price prediction algorithms. Key Points: - Develop a Decentralized Finance (DeFi) platform on Solana blockchain - Incorporate Price Prediction Algorithms as the main forecasting tool - The layout and functionalities of the platform should be similar to Polymarket Ideal Skillset: - Solid understanding of blockchain technology, particularly Solana - Proficient in DeFi development - Experience in implementing Price Prediction Algorithms - Familiarity with platforms like Polymarket and similar forecasting tools This project requires a freelancer with a deep understanding of DeFi platforms, blockch...

    $623 (Avg Bid)
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    41 ofertas

    Job Description: We are seeking a skilled Blockchain Transaction Analyst to assist in analyzing hundreds of blockchain transactions. The primary task is to identify and compile a comprehensive list of all wallets that have received cryptocurrency from specified sources. Responsibilities: - Analyze blockchain transactions from various sources. - Identify and compile a list of wallets that have received cryptocurrency from the specified sources. - Ensure accuracy and completeness of the data. - Provide a detailed report of findings. Requirements: - Proven experience in blockchain analysis and transaction tracking. - Proficiency with blockchain explorers and analysis tools. - Strong analytical skills and attention to detail. - Ability to work independently and meet deadlines. - Excellent c...

    $13 / hr (Avg Bid)
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    I'm seeking a skilled developer to create a custom cryptocurrency coin with Ripple-like properties, and have it listed on a popular exchange. Key Features: - Smart contract capabilities: The ability to execute automated contracts without intermediaries. - Scalability: The coin should be able to accommodate a growing user base without sacrificing speed or efficiency. - Privacy and Anonymity: Implement robust privacy protocols, ensuring secure, confidential transactions. Ideal Skills and Experience: - Extensive experience in cryptocurrency development and blockchain technology. - Proficiency in creating custom coins and integrating them into exchange platforms. - Proven track record of implementing smart contract capabilities, ensuring scalability, and enhancing privacy and anonymity...

    $1447 (Avg Bid)
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    16 ofertas

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