Best MongoDB Freelancers for Hire

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We found 437 MongoDB Freelancers for Hire. Post a job for free and hire a freelancer with the skills and reputation to get your task completed.

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Ryosuke Yamamoto

Blockchain and Fullstack engineer 
Average Review
3 reviews
Reputation 
73
2 jobs completed

Skills

About me

I am a senior blockchain developer with proficiency in ICO& IDO, DeFi/DEX/DAO development. My blockchain experience is extensive, having worked with blockchain since 2019. -Smart Contract Development ERC20, ERC72, ERC1155 Standards. Contract Test and Audit in development environment by using Truffle, Hardhat Anti-Bot, Whitelist functions integration for Token, NFT contracts -Defi/ DApp Development Forking Dex tools like Uniswap, Sushiswap, Pancakeswap with special requirement Crypto Escrow development ICO & IDO, Token airdrop & presale service platform with custom supply, Liquidity, whitelist Wallet connection using web3.js or ether.js -NFT minting & staking, marketplace Development Minting on ERC721, ERC1155 standards on Ethereum, Polygon, Cronos, BSC, Solana network -Cross-Chain-Bridge Development. Bridge Contract development Relay service integration like Moralis, Chainlink Well-made Cross-Bridge DApp development

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50 USD/hour
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Kelvin Fundi

Software Developer 
Average Review
2 reviews
Reputation 
69
2 jobs completed

Skills

About me

I am a senior software developer with 5+ years of experience. I have helped clients to empower their innovative ideas by building optimal software solutions to meet their business needs. I help individuals, startups, and enterprise customers to fulfill their technical exigencies by developing web applications. As a web developer, I am skilled in JavaScript, Node Js, Typescript, Next Js, Nest js, React, Docker, Figma, And AWS. I can also create WordPress websites by designing custom WordPress themes. Database: SQL, MySQL, MongoDB, DynamoDB, Firebase, PostgreSQL Teamwork with Git(GitHub, Jira, Bitbucket), Slack, and Trello This set of skills enables me to cover a wide range of projects. Whether you are on a budget or you simply want the latest technologies to be used in your project, I believe we can find a solution that is tailored to your need.

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15 USD/hour
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Srdan Anic

Blockchain Developer 
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2 reviews
Reputation 
64
2 jobs completed

Skills

About me

As a senior full-stack and Blockchain developer, project management experience, with the last 4 years of expertise in Blockchain architecture, Cryptocurrency Wallet Development, Smart Contract, Crypto Coins Exchange Development. Looking for long-term opportunities that appreciate high-quality standards with quality and maintenance code. SERVICE : -Blockchain(Bitcoin | Ethereum | Solana | BSC) -Decentralized Finance(DeFi) -NFT marketplace -Development and Audit Smart Contract -DEX Development

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50 USD/hour
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Adan Cui

Senior Blockchain Engineer USA, Miami
Average Review
2 reviews
Reputation 
63
1 job completed

Skills

About me

I am an experienced & talented & enthusiast developer interested in building usable, useful, well-constructed Blockchain & NFT projects. Proficient at performing well as working in a group or independently in a fast- paced setting. Deep understanding of distributed ledger, blockchain safety, blockchain design principles, and various blockchain protocols and environments. I am interested in continuation of learning and cooperation with excellent people.

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50 USD/hour
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John United States

Full-time Freelancer 
Average Review
1 review
Reputation 
54
1 job completed

Skills

About me

John has a broad skill set in Full-Stack JavaScript development. He has 10 years of experience in development using React.js, Vue.js, Web design, Node.js, Express.js and etc. He has a unique ability of understanding and translating business requirements into development roadmaps.

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40 USD/hour
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Radenko Popadic

I am a Blockchain Developer 
Average Review
2 reviews
Reputation 
50
2 jobs completed

Skills

About me

I am a passionate and creative developer. (https://www.freelancer.com/u/danijelb2005) I have been developed many websites by using React, Laravel and Blockchain. I can build or customize any themes and plugins required, fix any critical problems immediately. As a full-time freelancer, I can meet deadlines, maintain quality, and work on your time zone. ***My Skills and Experiences:*** -- Blockchain: For at least 3+ years including Bitcoin and Ethereum(Javascript, TypeScript) -- POS System that contains website, mobile app, and cryptocurrency. -- Blockchain protocol update BIP47 -- Smart contract development using solidity --Development Defi Dapp including yield farming --Fork Project Pancakeswap and sushiswap on Ethereum and Binance Smart Chain --Build NFT token and make website like opensea --Upgrade from V1 to V2 on pancakeswap --Build Snipper Bot, Arbitrage Bot on Binance Smart Chain Those are my contact info. @sblockchaind, live:.cid.6f4ac54533c89f00

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100 USD/hour
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arash dolati

Average Review
1 review
Reputation 
48
1 job completed

Skills

About me

More than 10 years of experience in designing and programming and developing all kinds of personal and corporate websites and stores with modern methods. I am a website programmer, proficient in php and python, who have worked professionally with laravel and django frameworks. And I am fully proficient in the required external languages ​​such as HTML, CSS, Scss less, javascript, veu.js, UI kit, Bootstrap, Ajax, Angular in website design.I worked with Mysql and MongoDB in my projects. *Now i work in blockchain technology programming and development you can see my projects in github : https://github.com/arashdm2020

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150 USD/hour
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Akash Deep Singhal

Average Review
1 review
Reputation 
44
1 job completed

Skills

About me

Graduated from IIT Bombay, Akash is Founder and CEO of illumnus, a B2B SaaS-based Learning Management Software (LMS) platform for premier schools and universities across the globe. He is a serial entrepreneur with 9+ years of experience in startup ecosystem. He has previously co-founded a healthcare startup, Medd which after a tremendous response and 3 rounds of investment was later acquired by 1mg/HealthKart+ Originating from a technology background, he has helped several organizations in developing scalable tech architectures and growing the business to reach profitability. He has also been a successful participant of Google Summer of Code. His personal interests include traveling, mountaineering, photography and playing music. He is also a certified professional mountaineer having done Advanced and Basic Mountaineering Courses from India's top Mountaineering institutions.

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150 USD/hour
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Andy Jiang

Fullstack & Smart Contract Developer 
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0 reviews
Reputation 
38
0 jobs completed

Skills

About me

I am highly skilled as a full-stack & blockchain smart contract developer with 6 years plus of experience in the field. I have in-depth knowledge of various blockchain platforms, such as Ethereum, EOS, and others, and have a proven track record of developing and deploying secure, efficient, and reliable smart contracts. I have hands-on experience working with Solidity, the programming language used to write smart contracts on the Ethereum platform. My expertise extends to the development of decentralized applications (dApps), which leverage smart contracts to bring blockchain technology to real-world use cases. I have a strong understanding of cryptography and security considerations for smart contracts and have a passion for solving complex problems and building innovative solutions in the blockchain space.

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50 USD/hour
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William Gilbert

USA, Minneapolis
Average Review
0 reviews
Reputation 
38
0 jobs completed

Skills

About me

Web | Blockchain developer with proven 5 years professional experiences at a few companies. Seeking new improvement, high quality, fast pace and perfect result in every project. Powerful ability to break obstacles. Modest when learn new, Confident when use new. Serious to manage time, to make promise.

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40 USD/hour
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Christopher Lee

Web developer 
Average Review
0 reviews
Reputation 
36
0 jobs completed

Skills

About me

I am experienced Web and blockchain developer named Christopher. I have 6years of experience in web and blockchain development. I try hard to find the optimal solution to solve the problem required by the customer in the shortest time and strive to implement it immediately. I am more customer oriented than other developers and offer free services such as: 1. Free maintenance 2. Free user interface upgrade 3. Add low price function ... and other optional benefits. My development skills are: - Front-end: React(JavaScript & Typescript), PHP, HTML, CSS, Bootstrap, MUI, Tailwind CSS - Back-end: MERN, Laravel, CI, .NET C#, Node.js - Database: MongoDB, MySQL, Firebase - Blockchain: Solidity, web3.js, smart contract, Staking, Swap, Mint dapp. I am look forward to meeting you. Best regards.

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40 USD/hour
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Serj G

Average Review
0 reviews
Reputation 
33
0 jobs completed

Skills

About me

I'm ASP.NET Full-Stack Developer with emphasis on the server-side. I have been working as a developer from 2006 and I'm familiar with various technologies (most of them are .NET based). I have passed all stages from junior developer to Senior Developer/Team Lead. Combining research, architecture, development, management, coordination and communication tasks is not a big deal for me. My portfolio contains 50+ projects: WinForms, WPF, WebView2 and ASP.NET. I started projects from scratch and got the existing code base.

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50 USD/hour
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Lucas Iwai

Average Review
0 reviews
Reputation 
32
0 jobs completed

Skills

About me

Hello, I'm a Blockchain & Full Stack Developer. I have 8+ years of experience in Full Stack Technology, 6+ years of experience in blockchain technology. I have a very deep understanding of blockchain architecture and the theoretical and technical skills in the blockchain, cryptocurrency ecosystem. My main skills are upgradable proxy contract, flash loan bots, multisig wallet, blockchain security, dao, zk sync. I am also familiar with defi protocols such as Aave, Fantom, Pancakeswap, Colony Lab, The Graph and gas fee optimization. I can develop cross-chain solutions such as token bridge in several chains and also have rich experience in dex, swap projects and deep understanding of pancakeswap, uniswap. I also handle nft staking, breeding, nft games, nft marketplace, token staking, token compounding. I have developed blockchain projects in Polygon and Ethereum, BSC, Elrond, Fantom, Solana, Multivesx

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Robert Carden

Blockchain 
Average Review
0 reviews
Reputation 
26
0 jobs completed

Skills

About me

( ͡❛ ᴗ ͡❛) Senior Blockchain Developer | Smart Contract, Solidity, Web3, NFT, P2E, DApp, DeFi ? Full-stack development : 10 years ? Blockchain development : 6 years ? LinkedIn : https://www.linkedin.com/in/robert-carden/ ? GitHub : https://www.github.com/crazydevlegend ? Website : https://crazy-dev-legend.netlify.app/ ? Telegram : https://t.me/crazydevlegend

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99 USD/hour
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Franciszek Borowiec

Average Review
0 reviews
Reputation 
26
0 jobs completed

Skills

About me

I am a software developer specialized in the cryptocurrency algorithmic trading field. The projects I worked on include: creation of multiple trading bots (arbitrage, Pancake Swap, technical analysis), statistical analysis, creation of trading strategies, data mining, data visualization, web scraping. Writing code to automate cryptocurrency trading strategies is what I am passionate about, and Python is my tool of choice. I graduated with a Master's degree in Control Engineering and Robotics, and I have more than 6 years of programming experience. Firstly working for Fiat Chrysler Automobiles and BMW on self-driving cars for 4 years, and now working with cryptocurrency markets since 2020. I am actively trading through the bull and bear markets. I work with a maximum of 2 clients at a time instead of working for multiple clients. If you have a specific question about your project, please do not hesitate to contact me to discuss it together.

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50 USD/hour
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Lee Min

Blockchain | Web(三).js | React.js | React-Native Developer 
Average Review
0 reviews
Reputation 
25
0 jobs completed

Skills

About me

I am a senior full-stack developer with 6 years of experience in PHP(Laravel), JavaScript(React, Vue, Angular, Next, Nuxt, Node, Express), TypeScript, Python(Django, Flask) for web development and React-Native for mobile app(Android/iOS) development. Also I have deep experience in web3.js, connecting wallets on website. I have and integrated with tons of React Frontend website with Smart Contract. Please feel free to contact me if you want to get perfect result in deadline. I am here for your business ! ! !

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40 USD/hour
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Joy Danniel

Average Review
0 reviews
Reputation 
25
0 jobs completed

Skills

About me

Hello, everyone! I am talented website developer who have rich experiences for over 7 years. These are my major programming skills: Website development part - React/Vue/Angular/HTML5/CSS/Javascript for frontend development - PHP/Node/Express/Laravel/Python for backend development - MongoDB/MySQL/Firebase for database management etc... Hard working + Clean code + Time delivery + Good communication Thanks for visiting my profile!

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45 USD/hour
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