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Bitcoin has certainly surprised the world with its volatile swings, and is a currency that can be transferred globally quickly without requiring any sort of bank or institution, in minutes.
Bitcoin engineers can help you implement blockchain technology when it comes to your company, which can attract a whole new demographic and set of investors. Consult with one for free today at Freelancer.com.
Post your project for free and connect with skilled freelancers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.
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No upfront cost · pay only when you're happy with the work
8.6
8.6
100%
Amritsar, India
$30 USD per hour
We are team of creative designer who is self-motivated, self-sufficient and comes to you with a strong background in both Print and Digital media. We have worked extensively in the automotive and Designing industries producing high end business to business and consumer facing designs. We are detail oriented, and has a comprehensive understanding of: Corel Draw, Adobe In Design, Adobe Photoshop, Adobe Illustrator, Website Designing. Possessing a get it done attitude while not compromising on quality means that We will always maximise the impact of any marketing material. As a hard working and ambitious We have no problem following instructions from Customers. EXPERT IN:) ✔Character Design(Caricature) ✔Logo Design ✔Animation (2D/3D) ✔Corporate Identity ✔Book/ E-Book Cover ✔Brochure Design ✔Flyer Design ✔Book Covers ✔Graphic Design ✔Magazine Design ✔Power Point Templates
9.9
9.9
100%
Dinajpur, Bangladesh
$30 USD per hour
"If you're planning on going global and don't speak the language, you might want to consider linking up with Desource Translation. With more than 10 years of experience, we represent a team of translators, writers, proofreaders, and transcriptionists dedicated to bringing your business to the world! When you have an amazing product or service gaining a lot of attention overseas, ensuring your website pages and legal documents translate properly is crucial to your "global transition" going smoothly. The ultimate goal of our company is to establish a long-term relationship with our clients and facilitate their integration into the global market by integrating their services and products. As the customer, you will decide whether DESOURCE will be the best translation agency for your needs, but rest assured that it is the cornerstone of our company's translation quality policy to provide the best translation service possible."
9.0
9.0
97%
NSR, Pakistan
$30 USD per hour
Hi, I’m Khalid, founder of a senior development team specializing in high-performance web & mobile applications using modern JavaScript technologies. With 15+ years of development experience and a team of expert engineers, we build scalable, secure, and maintainable software that drives business growth. I have completed about 96% Projects successfully. 4% are also completed from our end. They counted incomplete because clients couldn't mark completed and left without feedbacks. If you want to know about my client's views go through their feedbacks from last 8 years or so not just first page. WHY YOU CHOOSE ME? 100% Client Satisfaction 100% Money Back Guarantee. No Advance Payment FLEXIBLE POSSIBLE PAYMENT TERMS: I promise to deliver the project before any PAYMENT is done. I also offer to start the job and show you the progress without project being awarded so if are satisfied with initial progress then you can award officially. Some Wordpress sites I did recently https://culina.au https://vgfoodstory.com Genesis theme http://mecs.nl https://hotelkareldestoute.nl/ http://teleworldsolutions.com/ http://ancillarymedsolutions.com https://www.bnbisrael.com/, Elementor Based sites built https://eurekaprint.com.au https://acm-audio.de/ https://clikdigital.com.au Codigniter websites I did http://paystubsnow.com http://validgrad.com/beta/ http://kryptoshare.com/beta http://playblackjacknow.com/beta/ Laravel projects http://keysender.co.uk/ http://www.pricespectre.com/ https://www.qtyman.com/ http://brouhahasound.com/
9.2
9.2
100%
BANGKOK, Thailand
$130 USD per hour
Hi, I’m Marjan, Website & Software Developer with 16 years of experience and 4,400+ successful projects delivered worldwide. I help businesses build fast, secure, professional and conversion-focused websites, eCommerce stores, custom web applications, booking systems, dashboards and scalable digital platforms. My expertise includes: • WordPress, Elementor & Custom Theme/Plugin Development • Shopify Store Design, Setup & Customization • Full-Stack Web Development • SaaS, MVP & Custom Web Application Development • Booking Funnels, Lead Generation Forms & Dashboards • PHP, JavaScript, HTML, CSS & API Integrations • Wix, Webflow & Business Website Development • Technical SEO, Speed Optimization & Website Maintenance What you can expect when working with me: • Clear and professional communication • Clean, maintainable and scalable work • Careful attention to detail • On-time delivery and long-term support Whether you need a business website, Shopify store, WordPress development, custom platform, SaaS MVP, booking funnel or ongoing website support, I can help you plan, build and launch it properly. Let’s discuss your project and create something that works for your business.
9.1
9.1
99%
Karachi, Pakistan
$5 USD per hour
Greetings every one! I am a Top Rated Linux Admin, WordPress, Wix, Shopify, PHP, HTML Developer and Ui/Ux, Figma, Logo Designer. I design neat and clean website experience to our clients, and my designed websites are all Mobile / tablet / Desktop Responsive Websites. My Areas of Expertise: 1. Linux / Cpanel Server Administrator 2. Website Design and Development (WordPress / Shopify / SquareSpace / Wix / Webflow / PHP / Laravel / HTML5) 3. Wordpress / Shopify / Wix theme Customisation 4. Logo / Branding / Graphic Design 5. Mobile App Mockup (Android / IOS) & Wireframes 6. Ecommerce / Woocommerce Website 7. Angular / React JS & SASS I work in EDT(5AM to 8PM) GMT(9PM to 12AM) & AEST(7PM to 10AM)time, Monday to Sunday Benefits of my service: o 100% Customer Satisfaction o Perfect 5 star reviews! o Good communication availability 24/7
9.0
9.0
100%
South Delhi, India
$50 USD per hour
Mandlaus Group Pvt. Ltd. is a Top-Rated and Preferred Freelancer.com agency with 22+ years of experience on the platform. We build high-quality, production-ready software that is reliable, scalable, and secure. We deliver great work that creates real value for our clients. 🏆 1500+ projects completed ⭐️ All 5-star reviews ⏰ 100% on-time 💰 100% on-budget ✅ 100% completion rate 🤝 30% re-hire rate 🎂 On Freelancer since 2004. We are proud Microsoft Partner and IBM Partner, delivering enterprise-grade solutions that meet global standards in performance, security, and compliance. We can bring your vision to reality by transforming your ideas into powerful, scalable, and high-performance digital solutions. Our focus is to deliver exceptional quality with clear communication, disciplined execution, and strict adherence to timelines and budgets, so you gain not just software, but a reliable technology foundation you can confidently grow on. ➡️ Our services: ✅ Enterprise Software Development ✅ Web Application Development ✅ Mobile App Development (iOS, Android, Cross-Platform) ✅ Legacy System Modernization ✅ API Development & Integration ✅ System & Third-Party Integration ✅ Cloud Application Development & Migration ✅ AI Integration ✅ Data Analytics & Business Intelligence ✅ Application Maintenance & Support ✅ QA, Testing & Performance Engineering ✅ DevOps & CI/CD ✅ IT Consulting & Solution Architecture ➡️ Deliverables & Outputs: ✅ Enterprise SaaS Platforms ✅ Custom Web Portals & Dashboards ✅ Admin Panels & Backend Systems ✅ Mobile Applications (Native & Hybrid) ✅ RESTful & GraphQL APIs ✅ API Documentation & Technical Documentation ✅ Cloud-Native Applications ✅ AI-Powered Automations ✅ Data Pipelines & BI Dashboards ✅ System Architecture Documentation ✅ CI/CD Pipelines & Automated Deployment Setups ✅ Refactored & Modernized Legacy Systems ✅ Ongoing Optimization & Support ➡️ Technical Expertise: ✅ Programming Languages: PHP, JavaScript, TypeScript, Python, Java, C#, Golang, Ruby ✅ Frontend Development: HTML, CSS, JavaScript, React.js, Next.js, Vue.js, Angular, Svelte, React Router V7, Tailwind CSS, Bootstrap. ✅ Backend Development: Laravel, Symfony, Core PHP, Express, Nest, Django, Flask, Spring, Spring Boot, ASP.NET Core, Echo, Gin, Fiber, Ruby on Rails, Firebase ✅ Mobile App Development: React Native ✅ Cloud Platforms: AWS, GCP, Azure, IBM Cloud, Vercel, Digital Ocean, Heroku, Netlify ✅ Databases: PostgreSQL, MySQL, MariaDB, SQL Server, MongoDB, Apache Cassandra, Firebase Firestore ✅ DevOps: Docker, Github Actions ✅ Version Control: Git, GitHub, GitLab ✅ Payment Gateways: Stripe, Paypal, Razorpay ➡️ Communication & Collaboration: ✅ We communicate fluently in English and Hindi, ensuring clarity in technical documentation, business discussions, and stakeholder reporting. If you need a reliable, process-driven technology partner with a flawless execution record, Mandlaus Group Pvt. Ltd. is ready to build, optimize and scale your next solution.
7.8
7.8
98%
48 NAOGAON, Bangladesh
$30 USD per hour
Welcome to my profile. Are you looking for a senior developer to bring your great idea alive? If your answer is yes, you have visited the right profile. I am a senior developer/architect for more than 6 years of working experience . I have implemented more than 1000+ projects including Social media marketing so far and I am proficient in following technologies, I have a Team, those who are better/best in their fields. I don't dare to tell we are the best rather to the best of our ability we try to give my/our best. Me And Our team Support you Graphic Designer, Website,apps, SEO , Disital Marketing. Full Stack Developer - ASP.Net Inventory Software (offline) - WordPress custom development. Theme customization. PSD to Wordpress, Plugin development. - Magneto development. E-commerce website development. - Front end development. We are very good with HTML/CSS, Responsive coding. Bootstrap development. We write W3C validated code. - Website optimization we use Gtmetrix as as standard and can get any website in A/B grade. - PHP application development. "You dream it. I build it!" Thank you for spending your valuable time on my profile.
9.6
9.6
98%
coimbatore, India
$12 USD per hour
Welcome to STALLIONi Net Solutions — a trusted web development team with 18+ years of experience and 900+ reviews on Freelancer.com. We build digital solutions that work — on time, on budget, and exactly as promised. What We Do: • Web Design & Development — HTML, CSS, JavaScript, ReactJS, AngularJS • Backend Development — PHP, Laravel, CodeIgniter, Node.js • CMS & eCommerce — WordPress, Shopify, Magento, Joomla • CRM & Automation — Zoho CRM, GoHighLevel, Zapier, QuickBase • Mobile Apps — iOS & Android (native & cross-platform) • AI & Python — Chatbot development & smart integrations • Graphic Design — Branding, UI/UX, digital assets Whether you're launching a new product, scaling an existing platform, or automating your business workflows — we bring the technical depth and communication skills to get it done right. Let's build something great together. + Team STALLIONi
7.7
7.7
97%
Rajbari Sadar, Bangladesh
$10 USD per hour
This is Mehedi Hasan from Bangladesh. I have been working as a Data Entry professional as well as SMM provider from 2012. I am an expert in SMM, Data Entry, Copy Paste, Excel, Research, Mailing List Development, Spreadsheet, Email Handling, Email Marketing ,Word, Google Docs, CRM, data.com, Forum Posting, Content writing, Article writing, Rewriting and so on.
A Bitcoin expert is a specialist who designs, builds, integrates, audits, or advises on Bitcoin-based systems, wallets, payment flows, and on-chain transactions for businesses and individuals. Hiring a Bitcoin expert gives you direct access to deep knowledge of the Bitcoin protocol, the Lightning Network, wallet architecture, custody practices, and transaction analysis — skills that are difficult to source through generalist developers or finance consultants.
Whether you need to integrate Bitcoin payments into a checkout, build a custodial or non-custodial wallet, run on-chain analytics, or set up a secure cold storage policy, a qualified Bitcoin consultant brings the technical and strategic experience to deliver work that is secure, compliant, and production-ready.
Bitcoin specialists handle a wide spectrum of work that spans engineering, security, and advisory. The deliverables depend on the project scope, but most clients hire a Bitcoin developer or consultant for a defined set of outcomes tied to product launches, payment infrastructure, or security reviews.
A capable Bitcoin consultant works across the full stack of Bitcoin tooling. Look for hands-on experience with the protocols and libraries that match your project scope.
Bitcoin freelancers serve a broad set of industries where digital assets, cross-border payments, or self-custody play a meaningful role. Common use cases include fintech startups building Bitcoin-native products, e-commerce stores adding BTC checkout, remittance platforms reducing settlement costs, gaming and content platforms using Lightning for micropayments, exchanges and custodians needing wallet infrastructure, and family offices or corporate treasuries holding Bitcoin reserves. Law firms, forensic accountants, and compliance teams also retain Bitcoin consultants for transaction tracing, expert testimony, and AML investigations.
Bitcoin work is unforgiving — a small mistake in key handling or transaction signing can lead to permanent loss of funds. Vet candidates carefully against the technical depth and security posture your project requires.
Sample interview questions you can use directly:
Freelancer.com gives you access to a global pool of Bitcoin developers, cryptocurrency consultants, and blockchain engineers across every time zone, so you can match your project to a specialist with the exact protocol, language, and industry experience you need. Profiles on Freelancer.com surface verified work history, client reviews, completion rates, and skill tests, making it straightforward to compare candidates on real evidence rather than marketing claims.
Clients set their own budgets and receive competitive bids, with Milestone Payments protecting funds until agreed deliverables are met. Whether you need a one-off Bitcoin payment integration, an ongoing wallet engineering retainer, or a senior advisor for a treasury rollout, you can post a project on Freelancer.com and start receiving proposals from qualified Bitcoin specialists within hours.
Ready to build, audit, or scale your Bitcoin product?
Hiring a Bitcoin specialist is a structured process that rewards a clear brief and disciplined evaluation. Bitcoin work touches funds, keys, and security-sensitive code, so the way you scope and review candidates directly affects the quality of what gets shipped. The three steps below walk you through posting your project, reviewing bids, and awarding the work on Freelancer.com.
Your project post is the single biggest determinant of bid quality. A precise brief filters out generalists and attracts Bitcoin developers whose experience genuinely matches your scope — whether that's a Lightning integration, a multi-sig treasury setup, or a wallet audit. Head to the
Bids are short proposals, not just price quotes. Read them as evidence of how each Bitcoin freelancer interprets your brief, what approach they propose, and whether their suggested timeline is realistic. Strong proposals for Bitcoin work usually reference specific libraries, name protocol versions, raise sensible questions about key management or fee handling, and link to relevant past projects.
The final decision combines proposal quality with the evidence on each freelancer's profile. Weigh consistency across multiple Bitcoin projects rather than a single impressive case, and pay close attention to written client reviews on similar engagements — wallet builds, Lightning work, or security audits.
A Bitcoin expert focuses specifically on the Bitcoin protocol, Lightning Network, UTXO model, and Bitcoin-native standards such as Taproot and PSBTs. A general blockchain developer often works across smart contract platforms like Ethereum and may not have deep experience with Bitcoin's distinct architecture, scripting limitations, or security model.
Yes. Many clients hire Bitcoin consultants for discrete projects such as integrating a payment gateway, auditing a wallet, setting up multi-sig custody, or producing technical documentation. You can scope the engagement tightly, agree on milestones, and close the project once deliverables are accepted.
Timelines vary with scope. A BTCPay Server installation or basic Bitcoin checkout integration can often be completed in a few days, while a custom non-custodial wallet, Lightning service, or full security audit typically runs several weeks to a few months. Share a detailed brief to get realistic timeline estimates from bidders.
For focused engineering work, security reviews, or advisory engagements, an experienced individual freelancer is usually faster and more cost-effective. Agencies make sense only when you need a coordinated multi-disciplinary team across product, design, engineering, and compliance running in parallel.
Many Bitcoin consultants have practical knowledge of KYC/AML obligations, the Travel Rule, and reporting requirements, and can advise on how technical design choices affect compliance. For binding legal opinions, pair the freelancer with a qualified attorney in your jurisdiction.
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Get some inspiration from Bitcoin projects
Game.
$50 USD in 9 days.
Package Design.
$110 USD in 4 days.
Music Video.
$300 USD in 12 days.
Interior Design.
$269 USD in 14 days.
Poster.
$100 USD in 3 days.
Flyer Design.
$15 USD in 1 day.
Concept Design.
$100 USD in 10 days.
Socials Post.
$50 USD in 6 days.
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