Ethereum smart contract developer jobs

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    426,958 ethereum smart contract developer jobs found, pricing in USD

    flutter+php developer cabaple of making app like google drive

    $383 (Avg Bid)
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    5 bids
    Full Stack Developer 2 6 days left
    VERIFIED

    We're looking for an experienced full stack developer to join our team developing a SaaS product. You will need to know: -NodeJs, ExpressJS, Postgres -ReactJS -Docker -AWS -GitHub You will also need to have -- Fluent English -- Ability to jump on video calls if needed To be considered, please include in the proposal your experiences and number of years with the skills above. We are looking to work with an individual freelancer for full time work, with potential to be extended to a long term position.

    $20 - $40 / hr
    Sealed NDA
    $20 - $40 / hr
    3 bids

    We need an experienced Laraval developer also experience in VueJS. Urgently want to fix the bugs on my project.

    $217 (Avg Bid)
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    30 bids

    We have machine details and manuals below devices and share machine details in pdf A15 Analyzers Maglumi 800 BC-5130 Auto Hematology Analyzer Maglumi 600/800

    $10 / hr (Avg Bid)
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    1 bids

    I want urgent help Only experience freelancer follow the project Thank You

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    3 bids
    Need a Php Developer -- 2 6 days left
    VERIFIED

    I need a Php developer for a small project.

    $118 (Avg Bid)
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    Hello! I am looking for a person who has the following skills: Proven software development experience and Android skills development. Experience with Android SDK. Experience working with remote data via REST and JSON. Experience working with GIS, Google maps and navigation. Experience working with application which required image processing and text extraction from image (OCR Tesseract) Good knowledge of Kotlin is a plus. Experience working with Agile development methodologies Strong testing and debugging skills. Excellent communications skills. The work will be remotely for 2-3 months. Then it will be required on-site in Kuwait. Any nationality can apply.

    $20 / hr (Avg Bid)
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    I want to hire BigBlueButton developer for change some UI.

    $490 (Avg Bid)
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    Looking for flutter developer on monthly basis daily : 8 hr

    $1923 (Avg Bid)
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    Hi ,I need part time full stack website developer, logo design,graphic designer,seo ,smo,Adwords [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions]

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    we are trying to develop a complete free decentralized pool in our country. so we need a project manager with 3 to 5 year contract for this project. we have expert people in our community and our company but we need to have a project full time person as its PMP.

    $44141 (Avg Bid)
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    Needed Vue.js developer for building time and date picker component. Will be shared in more detail with ideal candidates.

    $74 (Avg Bid)
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    We need to do some changes in the website mentioned below: We need to add saved and Watchlist functions, payment gateway should auto charge after free trial is over, linking of pages and ui should be exactly like xd Site Url : Xd Link : Code : This website has already been coded by 3 developmers and is very messed up so would recommend checking everything as we are on a strict 3 days deadline.

    $117 (Avg Bid)
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    React Native Developer -- 2 6 days left
    VERIFIED

    React native developers are required for a long term project. This project is similar to uber eats. Project is hourly based. You should have 3-5 years of experience.

    $17 / hr (Avg Bid)
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    Hello, We are looking for an experienced SAP FI-CO-SD-MM Consultants and Managers : 3 to 5 years of successful experience for a Senior Consultant and 6 to 15 years of exp for a Senior Manager, ideally acquired in a consulting firm and/or in a company, in the implementation of SAP, of which you master certain finance modules Ideally...experienced SAP FI-CO-SD-MM Consultants and Managers : 3 to 5 years of successful experience for a Senior Consultant and 6 to 15 years of exp for a Senior Manager, ideally acquired in a consulting firm and/or in a company, in the implementation of SAP, of which you master certain finance modules Ideally an experience on S4/Hana Master degree or engineering degree No freelance this is a permanent contract Fluent in French and English Valid work permit i...

    min $50 / hr
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    ...there, and we love them! Right now, we have a quick fix project that will take no more than 30 minutes to fix, but we want to post this job for long term work. We often have $50 - $100 fix projects for our website, and just want someone reliable to work with. We are a super fun group of 5 people who really care about our team! We've been working together a long time, and want to bring one more smart person on the team as we develop our new website this December. I will have you interview with our other Spanish members to see if you are good fit! Right now, we have a fonts issue slowing our website down. You should know how to fix this in no time! NOTE - We will not be choosing any of the auto-bidders on this project. Our projected received 30+ bids within seconds of cre...

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    I need someone with good design implementation skill. It should be clean react and design is attached have to work with charts also. and design should show more technicality of the website, in short it should be fancy. Design:

    $23 (Avg Bid)
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    I need a react native developer who has experience on xcode. I am a React JS developer & looking for a react native developer who can work with me on react native projects. First task is to fix an issue in ios app(react native).

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    At inspired by wall art we are looking for talented individuals who we can work with on a long term basis to help us design and build an e-commerce driven website that can be managed through Shopify. Examples can be provided when needed, thanks.

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    Hello, I'm looking for an experienced C#/.NET and Angular stack developer who can help with building an ERP system. This is a long term position and requires someone who is comfortable with working during the US time zone. Thank you

    $20 / hr (Avg Bid)
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    I am looking for Angular and NodeJS developer to work on the e-learning SAAS platform. I need someone willing to work 25hours each week. Billing will be hourly. It's a long-term project that needs a commitment of more than a year from now. More details will be shared on the call.

    $4 / hr (Avg Bid)
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    Drupal Developer 6 days left

    We are looking for Drupal Core Developer who can create custom modules, theme customization and object oriented PHP for the one project. If anyone interested to work as a freelancer to finish it Intime, you can send resumes Only Hyderabad Candidates can apply for this Immediate requirement to start project Requirements/Experience: Minimum 3 years professional Drupal development experience 2+ years of Drupal 8/9 Experience Experience in developing and maintaining custom modules Experience Integrating with Third-Party APIs and develop restful API's Experience performance optimization of high-traffic sites Experience in committing patches for Drupal core or other contributed modules. Excellent knowledge of PHP, MYSQL experience Fluency with LAMP (Linux, Mysql, PHP) technolo...

    $20 - $167
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    Fully setup and new future ad for wallet and refferal to earn

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    Need to implement some further functionality in the existing project. Admin work has been already done and now need to add the below modules in the project. Client Panel 1) Manage Documents a) add new documents b) delete any existing document 2) Update Profile 3) Change Password 4) Logout Employee Panel 1) Dashboard 2) Manage Clients but can't edit and delete 3) Complete Tasks that Admin assign 4) Update Profile 5) Change Password 6) Logout

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    Need an full stack developer who can maintain and develop the existing project on node .js and react .js background

    $8 / hr (Avg Bid)
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    13 bids

    I need you to design and build it.

    $7 / hr (Avg Bid)
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    Here is my code to display google road map on the qgscanvas: QgsDataSourceUri ds; ("type", "xyz"); ("url", QString("https://mt1.google.com/vt/lyrs=m&x={x}&y={y}&z={z}")); QgsRasterLayer* layer = new QgsRasterLayer((), "my map", "wms"); QList<QgsMapLayer*> layers = mCanvas->layers(); (0, layer); mCanvas->setLayers(layers); mCanvas->setExtent(layer->extent()); but the result display incorrect coordinate, investigate information about provider, I can not found information about CRS, map unit,..... When use QGIS desktop, I can add xyz tile layer using google map to the canvas and right click on layer, choose properties to show information about provider, it allready show crs, unit, bounding box,...

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    I am wanting a e commerce web developer for a large site that has 7 main categories and multiple sub and sub sub categories, it needs 5 tiers in background for 5 price breaks ABCDE customers, log in for customers, quoting system attached . integrated with ZOHO one and Xero for accounting, chat bot on front page for live chat, Facebook, Instagram, LinkedIn, twitter loaded up and also a full suite for customers to send to friends or interested parties from my image like WhatsApp the above mentioned Pinterest etc. We will have approx 60,000 to 100,000 products listed. Google analytics added. This is one of my suppliers that will be loaded on to our new website I also use these 2 sites and am looking for something similar https://www

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    NDA
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    Contract for presale BSC 6 days left
    VERIFIED

    Hello need contract for private presale AND website with connect metamask trustwallet etc AND desing for box Firstpage website + contract presale BSC I'm have the token only need contract for presale AND website for presale connected

    $21 / hr (Avg Bid)
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    Pcb Design 6 days left

    I need a customized pcb for smart mirror

    $4603 (Avg Bid)
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    12 bids
    App developer needed 6 days left
    VERIFIED

    Looking for very experienced App Developer. Please post your bid with examples of your work.

    $7 / hr (Avg Bid)
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    Olympus DAO on Solana 6 days left
    VERIFIED

    Hello! I'm a developer looking for some extra help to launch a similar concept to Olympus DAO on the Solana network. Unlike Olympus DAO however, which uses Graph Protocol to power data on the front end, we'll skip most of those implementations and showcase basic data that can be sourced from other APIs. The work consists: 1. Translating Olympus DAO's smart contract on to Solana's program. I'm not sure if using solang works well, but if you're familiar with solang and you know the translation works well, then please feel free to use it. 2. Forking Olympus DAO's frontend: and replacing necessary calls, while also replacing the wallet API implementation with Solana's (I think this is necessary

    $4500 (Avg Bid)
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    Java developer -- 2 6 days left
    VERIFIED

    Looking for Java more independently and complete the work with minimal help. Looking for java, springboot,Jenkins,microservices, need to work in USA timings only .

    $556 (Avg Bid)
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    Please do not bid if you are not living in Ho Chi Minh/VN or near by provinces. • 5-year ++ experience in application development (especially web application), including analyzing requirements, writing code, implementing tests, and developing the working practices of the team • Good command of English (written and verbal) • Desirable: has strong foundation of and enthusiasm in product and process management • Desirable: ◦ Experience with at least one front-end technology stack (Angular/ React, Selenium, Jasmine, Bootstrap, etc.) ◦ Experience with at least one back-end technology stack (.Net/ Java, Entity framework/Hibernate, ….) • Experience working with GIT • Experience working with TFS/Azure Devops or JIRA • Experience working i...

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    I need someone to handle my NGO’s page on Instagram and someone who is creative enough to engage more people on it

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    Backend Developer 6 days left
    VERIFIED

    I am looking for backend developer with MERN stack experience and stripe api experience.

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    Looking to work with an experienced developer and designer for a new module of my existing site. if you are good at website design and core php development , please post your bid . also if you have done something similar to tweeter - to share news and quora (questions/answers) I would love to talk to you.. and hire you . this is a long term project.. hence the hourly rate is low initially but will be higher when the site is launched.

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    paypal business accounts have the option to add paypal smart buttons into websites, which is a payment processor to allow clients to pay to that paypal business account using payment methods like paypal, credit cards, bank transfer. so paypal give you a code for you to paste into your website that will make the paypal checkout appear. i attached the picture of the paypal buttons. this is the code paypal provides you to paste into your website: <script src=""></script> <script>().render('body');</script> my problem is that i need to add the paypal checkout buttons through an userscript using code, after the page is loaded. so that i can make the paypal buttons appear on a site. and i could not find a way to do that.

    $69 (Avg Bid)
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    Hello, I'm looking for an experienced C#/.NET and Angular stack developer who can help with building an ERP system. This is a long term position and requires someone who is comfortable with working during the US time zone. Thank you

    $22 / hr (Avg Bid)
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    26 bids

    I am hiring dedicated React Js developer for 1 of my project. This would be a part time opportunity & candidate can work in flexible hours.

    $557 (Avg Bid)
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    15 bids

    I’m looking for an app developer for my e-commerce Jewlery website and also looking for someone to help design my website

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    I am looking for a very good website designer to design few modules of my existing website and also someone who is also good in core php programming to implement the work. Please post with examples of your best work. I am looking for someone to work for long term. thanks

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    I am looking for a very good website designer to design few modules of my existing website and also someone who is also good in core php programming to implement the work. Please post with examples of your best work. I am looking for someone to work for long term. thanks

    $10 / hr (Avg Bid)
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    We are looking for a versatile Front End Developer to join our design team. Our needs are varied and we work fast, so problem solving and reliability are two primary characteristics we value for this role. Front End Web Developer responsibilities include: gathering user requirements, working in conjunction with the design team to develop functional and appealing web- and mobile-based applications based on usability; providing website maintenance and enhancements; designing graphic elements; and building navigation components. To be successful in this role, you should have extensive experience with design software and wireframe tools. Responsibilities: Gather and evaluate user requirements in collaboration with product managers Illustrate web concepts using storyboards, pro...

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    Need really good react developer for data visualization. Must be extremely good on UI part. Want animations, awesome visualisations and charts (not much but it is there) I need this in few hours. Similar to image added. It should be responsive.

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    InfluxToken 6 days left

    Influx is a decentralised token deployed on the binance smart chain network to provide revenue for an SDG 6 project carried out by an Renowned NGOs

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    App Developer 6 days left
    VERIFIED

    Looking to connect with an iOS app developer

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    R language -- 2 6 days left
    VERIFIED

    ...decide which pumps, if any, get the month 6 maintenance. The pumps will all be maintained at the end of the 12 months, whether they had a maintenance done at 6 months or not. When pumps are maintained, the contractor may change the bearings, the seals, or replace the whole pump. Due to the remote location, every pump maintenance has a base cost of $ 500, plus the cost of the repair. Note that your contract allows for up to 20 000 maintained pumps at 6 months at the regular rate. If you exceed that number, the repairs would be considered an emergency call at a hefty base cost of $ 5 000, plus the repairs. Those repairs, urgent or not, follow a fixed cost schedule: • $ 4 000: Whole pump replaced • $ 200: Bearings replaced • $ 100: Seals replaced • $ 250: Bearing...

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    hi am looking for an expert and hardworking app developer to help me I need the developer to help me make little changes on my iOS app Please send me bid if you are interested with my 50$ budget and the seller will be updating me daily Please send me offer if you can help

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    I am looking for someone to write a smart contract with different features that I can be deployed on mainet. The task includes: - Work out tokenomics based on project requirements - Delivering smart contract - Partnership for further development tasks - teamwork in strategic decisions Please only bid if you are experienced web3 developer. Thank you

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