Bitcoin Jobs and Contests

You can earn money at Freelancer.com by using your bitcoin skills.
Bitcoin is a crypto currency, with the creation and the transfer of the bitcoins being based on a protocol that does not depend on the central authority. The coins can be transferred through computers or through smartphones and related devices, without the necessity of having a financial institution as an intermediate. This concept was established by Satoshi Nakamoto in 2008 and it was geared towards the world of electronic cash systems. If you understand more about this topic on a professional level, then you have a better chance to enjoy the advantages of being a freelancer at Freelancer.com.
Bitcoin has its own technical part that needs to be addressed by professionals. If you are one of them, then you should be on a platform that ensures the consistency of job posting by clients. When working as a bitcoin freelancer at Freelancer.com, you will have access to many of the jobs posted by clients from all over the world and bid on those that are within your professional level. There is too much to enjoy while working at the leading freelancer platform online, including getting paid at rates that your services deserve, giving you the encouragement you need to keep on working on more Bitcoin projects.
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Browse Jobs on Freelancer

Project/Contest Description Bids/Entries Skills Started Ends Price (USD)
New website with bitcoin integration I need a new website. I need you to design and build a website for my small business. 14 PHP, Website Design, Graphic Design, Blog Install, Bitcoin May 25, 2017 Today6d 2h $24
Remove Blockchain v1 API from script Hello i have a script in script i was using Blockchain API V1 . this version of api is not anymore . so we cant use this i need any alternative of blockchain for receiving payments via api like [url removed, login to view] or something similar . But we don't want any typical verification to get an API What i used in script ? PHP Core Twig Template Engine MySql Database 3 PHP, Symfony PHP, Bitcoin, Laravel, Angular.js May 25, 2017 Today6d $26
csgo Csgo gambling site 2 MMORPG, Bitcoin, Steam API, Lua May 25, 2017 May 25, 20175d 23h $3421
Help me with Marketing Promotor needed my Bitcoin reward app (Android). Small test order and good promotor get lot of work. 10 Marketing, Bitcoin, Social Media Marketing May 25, 2017 May 25, 20175d 20h $44
Invite new users to my bitcoin app My bitcoin app need users. I provide 10% provision for every points your invited user make. So everyone get reward. Best result (most invites) get 20€. App url is [url removed, login to view] If you join this contest, please send your invite id to me to get your result tracked. 0 Bitcoin, Internet Marketing, Social Media Marketing May 25, 2017 May 25, 20175d 19h $22
Expert Blockchain Developer need a website for add my cryptocurrency only blockchain expert developers 8 Bitcoin May 25, 2017 May 25, 20175d 18h $3686
bitcoin live rate I have a website [url removed, login to view] but I need live rate of bitcoin to be display on my website and the rate be embedded in calculator . Thank You 30 Website Design, WordPress, Bitcoin, Stripe, Steam API May 25, 2017 May 25, 20175d 17h $363
bitcoin I am looking for a freelancer to help me with my project. The skills required are Bitcoin, PayPal API, Steam API and Stripe. I am happy to pay a fixed priced and my budget is zł750 - zł2250 PLN. I have not provided a detailed description and have not uploaded any files. 13 PayPal API, Bitcoin, Stripe, Steam API May 25, 2017 May 25, 20175d 16h $727
telegram bitcoin bot Telegram bot with bitcoin payment integration We need a Telegram bot similar to the one found here: [url removed, login to view] Bot must include: - Track referrals - Calculate earnings - Auto load bitcoin payments - Auto payouts through bitcoin Looking for a fixed price quote for complete project. 6 Bitcoin, Programming May 25, 2017 May 25, 20175d 14h $315
I would like to hire a Bitcoin Expert Create a AltCoin based on last code X11 with POW and POS Hybrid. Generate Genesis block and custom code with altcoin name 4 Cryptography, Bitcoin May 25, 2017 May 25, 20175d 13h $312
simple bitcoin mining profit calculator Hi am looking simple bitcoin calculator daily based only check attachment to understand how the output need to , Please check below link [url removed, login to view] 5 PHP, Bitcoin May 25, 2017 May 25, 20175d 9h $26
Custom 3 step form in wordpress, with live api price. Hello, you need to have expertise in making a step by step form to buy bitcoin before bidding. I have excisting site running on wordpress. ill send link for examples and api lin. please only bid if you can complete the job. 57 WordPress, Bitcoin, Email Handling, Design May 24, 2017 May 24, 20175d 3h $558
Hire a Programmer Looking to retrieve dogecoins from the now defunct [url removed, login to view] website using a 12 word passphrase. A tool has been created for the counterparty wallet which the dogeparty wallet was derived from. It is located here: [url removed, login to view] Dogeparty assets are located here: [url removed, login to view] 15 Javascript, Bitcoin, Software Development May 24, 2017 May 24, 20175d 2h $443
bitcoin bitcoin trade platform 12 PayPal API, Bitcoin, Stripe, Steam API May 24, 2017 May 24, 20174d 14h $804
Concevez un logo compte Instagram English lower Bonjour, Je souhaite faire designer un logo pour mon compte Instagram. Crypto_hash Il est orienté Blockchain, Crypo-monnais, Bitcoin, Minage, et news. Il doit être adaptable sur un format rond et carré. Pour le reste je vous laisse me faire des propositions. Merci [url removed, login to view] ---------------------------------- Hello, I would like to have a logo created for my Instagram account. Crypto_hash It is oriented Blockchain, Crypo-coin, Bitcoin, Mining, and news. It must be adaptable on a round and square format. For the rest I leave you to make me proposals. THX [url removed, login to view] 12 Adobe InDesign, Bitcoin, Graphic Design, Illustrator, Logo Design May 24, 2017 May 24, 20172d 13h $30
bitcoin cloud mining script Hi am looking for best coder to develop bitcoin cloud mining script [url removed, login to view] below website [url removed, login to view] please create demo [url removed, login to view] client dashboard options. payment api.i'll provide please refer above description place bid. 16 PHP, Javascript, Bitcoin May 24, 2017 May 24, 20174d 13h $239
Hire a Web Developer The website is finished, we have the designs in psd form and would like them implemented, we would also like the security of the website evaluated and patched of any loopholes YOU MUST HAVE EXPERIENCE IN SECURITY AND BITCOIN ESPECIALLY DO NOT APPLY IF YOU DO NOT KNOW HOW BTC CORE WORKS OR [url removed, login to view] AS THIS SITE IS A GAMBLING SITE AND NEEDS THE UTMOST CARE AND SKILL. 63 Javascript, HTML, node.js, Bitcoin May 23, 2017 May 23, 20173d 14h $273
Simple Bitcoin Wallet Web Based Hi am looking for simple bitcoin wallet web based similarly like coinbase, xapo send and receive bitcoins, live market price update, bitcoin api I'll provide you 27 PHP, node.js, Bitcoin May 23, 2017 May 23, 20173d 13h $340
Coinbase-Bitcoin API Integration Hi I need someone to integrate my website with coinbase api using php library There a php library available in Github [url removed, login to view] Bascially I need to click a button and for the Api to return my wallet address with QRCode so users can send bitcoins. If I receive bitcoins to the wallet then the transaction data should be sent through IPN back to the system and stored in DB. For this job, it is crucial that you understand how bitcoin works. 9 Bitcoin May 22, 2017 May 22, 20173d 4h $296
Selling info website + irc channel I need a partner who has been on the deep web... I have an idea for a site but need some help in developing it. Also I want some bots for irc channel 12 PHP, Ruby on Rails, Bitcoin May 22, 2017 May 22, 20173d 2h $7
Multi vendor Bitcoin Marketplace looking for an experienced diveloper for a project of 30 day. description of the project : User: -Register -Login -Deposit btc, -Withdraw btc, -Vendor Account with a fee of 50$ to pay in btc from his balance -Balance of the user that can be loaded with unique deposits address -Dispute options for Buyers -Escrow feature (User will be able to finalize order and release funds to vendor) or dispute. - Password reset tool with a Mnemonic they got one time when registering - 2FA with PGP decryption - BTC address that keeps working for 7 days even if a new one has been assigned - See history of orders and amount spent - Favorite a listing - Report Button - Force feedback system, a user HAS to leave feedback within 5 days after finalising otherwise $5 will de deducted in btc from their account. - Feedback: Positive, Neutral and Negative with optional description. Vendor: -Create listing with images price etc -Manage listing/delete/add/edit -Autofulfill listing - Create a hidden listing - Multi-Sig (Can be added later) - Can only apply to be a vendor if the user has a PGP key in their profile. Overall Market Options: - All orders and notes should be deleted within 30 days you can see more features here : [url removed, login to view] i want the same market in github but with another design and with my features You will be asked to answer the following questions when submitting a proposal: How long it will take you to integrate Btc process (deposit , withdraw) into the marketplace ? and How long it will take you to integrate the escrow features ? 54 PHP, Website Design, Graphic Design, HTML, Bitcoin May 22, 2017 May 22, 20172d 20h $2661
Build an Online Store Build a ENS(Ethereum Name Service) marketplace like [url removed, login to view](domain name marketplace). this site muse contain bitcoin and ethereum wallet escrow service. also, membership page, auto listing, search the name. if you need more detail things, please drop by [url removed, login to view] or [url removed, login to view] 168 Website Design, Shopping Carts, eCommerce, HTML, Bitcoin May 22, 2017 May 22, 20172d 15h $1344
Cryptocurrency (Bitcoin/Altcoin) Trading 10 years of mainstream spread trading (commodities, forex, indicies, shares). 3 years of trading various cryptocurrencies. Would build and trade cryptocoin portfolio for 10% profit share. Confidential service based on trust so no minimum funds. 1 Bitcoin May 21, 2017 May 21, 20171d 22h $13
BITCOIN CASINO PROGRAMMER WANTED! SEEKING TO BUY OR CREATE BITCOIN CASINO SCRIPTS TELL ME OF YOUR EXPERIENCE IN BITCOIN CASINO SCRIPTS SHOW ME THE LINKS OF WHAT CASINO SCRIPTS YOU HAVE CREATED 17 C Programming, Website Design, Game Design, Software Testing, Bitcoin May 21, 2017 May 21, 20171d 20h $715
I am looking for a website designer to build me a site related to bitcoin I need a new website. I need you to design and build it. My plan is I want to put some bitcoin games in that website, so looking for a member or team to design something attractive and good backend work. So, those who are experienced with bitcoin and game scripts can bid. 16 PHP, Website Design, Graphic Design, Game Design, Bitcoin May 20, 2017 May 20, 20171d 6h $134
Create new ethereum token I would like to build a custom Ethereum token and I need it programmed and verified. [url removed, login to view] Thank you 10 Javascript, Cryptography, node.js, Bitcoin, MeteorJS May 20, 2017 May 20, 20171d 6h $626
Hire a Programmer Hello, I am looking for a skilled ethical programmer and cryptocurrency enthusiast who has the ability to write a Bitcoin miner worm for educational purposes. 14 C Programming, Software Architecture, Bitcoin, Programming May 20, 2017 May 20, 20171d 5h $397
cryptocoin developers expert expert developer for a cryptocurrency like bitcoin, blockchain, based on bitcoin 11 C Programming, Algorithm, Cryptography, Bitcoin May 20, 2017 May 20, 20171d 4h $1245
EXPERT CASINO PROGRAMMER WANTED! SEEKING TO BUY OR CREATE CASINO SCRIPTS TELL ME OF YOUR EXPERIENCE IN CASINO SCRIPTS SHOW ME THE LINKS OF WHAT CASINO SCRIPTS YOU HAVE CREATED 17 Game Design, C# Programming, Windows Server, Bitcoin, Game Development May 20, 2017 May 20, 20171d 1h $21
betting bot I am looking for a freelancer to help me with my project. The skills required are Bitcoin, CasperJS, PLC & SCADA and Steam API. I am happy to pay a fixed priced and my budget is €250 - €750 EUR. I have not provided a detailed description and have not uploaded any files. 8 PLC & SCADA, Bitcoin, CasperJS, Steam API May 20, 2017 May 20, 201716h 47m $875
csgo intro Hello, I am Fllixx and I am looking for a good looking CS:GO Intro (for YouTube etc.) I will be paying 20$ for the best one! What I want: NO TEMPLATES! Music! 3D intro ;) That's all hit me up. 19 Graphic Design, Animation, YouTube, Motion Graphics, Bitcoin May 20, 2017 May 20, 201714h 39m $209
Create a new Altcoin We are looking to create a new cryptocurrency and need an experienced developer that can develop and update our coin. This should be very straightforward for someone with experience in C hence the size of the project. I will give more details about the coin specifications through personal message. This project is nothing fancy, just taking the source code and changing the parameters to it. The winner will be given the new parameters after having a few initial discussions. We also need skilled programmers with the professional knowledge to created and maintain this new currency, implement ideas and create new features as well. This would be a New Business Partnership with Huge Potential long term for ALL parties involved so please don't look at this as just a "Project" or "Job." If you like solid long term business with great upside then make sure to message me or bid for this Business Project! 15 C Programming, C++ Programming, Bitcoin May 20, 2017 May 20, 201711h 25m $852
altcoin miner hello, i want to produce a miner for the altcoin like litecoin or ethereum. thanks. 20 Engineering, C# Programming, C++ Programming, Bitcoin, Programming May 19, 2017 May 19, 20171h 9m $1245
Adding Ethereum and Ripple on Peatio Exchange Install on Peatio wallets, deposits and withdrawals for ETH and XRP. Also markets BTC/ETH and BTC/XRP. Delivery will be instructions/scripts to do EVERYTHING without external assistance. 16 Ruby on Rails, Bitcoin May 18, 2017 May 18, 20175d 21h $28
Bitcoing and paypal payment gateway expert Required I need a Bitcoin and paypal payment gateway expert for my multiple projects. If you have knowledge please bid. Details will be shared in message with the freelancers. 9 PayPal API, Bitcoin May 3, 2017 May 3, 20175d 7h -
Complete Website Design I need a Website design expert for my multiple projects. If you have knowledge please bid. Details will be shared in message with the freelancers. need front end and backend expert required. People who have experience in bitcoin and paypal payment gateway can apply only. 20 PHP, Website Design, CSS, PayPal API, Bitcoin May 3, 2017 May 3, 2017Ended -
cryptocurrency mining package - FUD Crypter Silent Crypto Miner + Crypto Pool setup 1. Modify (Open source crypto miner) to be silent crypto builder. 2. Crypto miner must be FUD and must be persistent. 3. Crypto miner modified to run at 40% when computer is active 80% when computer is idle. 4. Install and deploy Mining pool. - (Opensource options) 5. All miners must connect to pool. 6. Ability to remotely update miner code and FUD from server. 1 C Programming, Computer Security, Cryptography, C++ Programming, Bitcoin Apr 16, 2017 Apr 16, 2017Ended $1895
woocommerce payment gateway expert required Hi I need a person who has experience with Payment gateway like stripe with woocommerce. Only experienced person will be considered. 47 PHP, PayPal API, WHMCS, Bitcoin, Stripe Feb 20, 2017 Feb 20, 20173d 23h -
Costruire Siti Web 52 Website Design, Graphic Design, Magento, Bitcoin, XMPP Dec 17, 2016 Dec 17, 2016Ended $3941
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