Hire the Best Cryptocurrency Freelancers
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More than 20 years in .NET as a full stack C# developer and solution architect. ETL, high performant and resilient distributed systems are my primary fields of expertise. Can go bare or can go Claude-boosted, no vibe coding. What I love to do: ▶ Design and build high load or close-to-RT application/platform from scratch ▶Harness AI agents to cut implementation time 5x dedicating myself to architecture and problem solving ▶ Solve non-trivial performance tasks ▶ Debug, troubleshoot and refactor legacy projects ▶ Audit software solutions to spot potential scalability, performance, data consistency or operation problems. ▶ Integrate REST/Sockets APIs into your application, including crypto-parts (BTC, ETH, ERC-20 and others) My areas of expertise: ◉ C# NET full stack ◉ High load, distributed, close to RT systems architect ◉ Microsoft SQL Server ◉ External APIs of all sorts and complexity ◉ Cryptocurrencies essentials and integration ◉ HubSpot API (4+ years intensive usage in high load multi-tenant system) ◉ Clouds: AWS and Azure ◉ CI/CD: BitBucket, GitHub My background and skills: ★ 20+ years of experience in .NET software development ★ 5 years of software architecture design and implementation. ★ Highload backend solutions ★ 5 years of extensive experience in development team leading ★ Fluent written and spoken English ★ Computer science Bachelor degree in 2006 Career highlights through recent past: ★ Reworked HubSpot-targeting product that allowed business operation growth from 80 clients to 1000+; turned another PoC into production ready software serving hundreds of customers by now ★ Mission critical accounting software for customer from scratch, 10+ years in use by now ★ Fully automated cryptocurrency trading engine ★ Refactored spaghetti-coded legacy system to bring it to a competitive state and allow for implementing state of the art AI-driven features ★ Mission critical backend data management system from scratch ★ High load optimization for Oracle-based national telecom reporting tool Technologies I prefer to deal with: ☑ C# net10/9/8/6 ☑ Claude Code via custom harness for all the web UI prototypes ☑ Blazor, AspNetCore, AspNet MVC ☑ Legacy C# all the way down to NET 1.1 and ASPNET Forms ☑ EntityFramework (EFCore) and Dapper ☑ CI/CD via GitHub or BitBucket ☑ WPF/UWP mvvm style ☑ JavaScript/jQuery ☑ Microsoft SQL Server, SSRS Technologies out of my preferred list I still had significant experience with: ● RDBMS: Postgres 11-16, MySQL 4-8, Oracle 10g ● Node.js SPA

“Good design doesn’t just look good, it makes people believe in your message.” I can work with any design style, I specialize in crafting minimalist, modern, and impactful presentation designs that elevate ideas and impress stakeholders. Whether you're pitching to investors, presenting data to executives, or teaching an audience. I make sure your slides do more than just look pretty. They work! 👇 Click "Invite" or "Message" to connect, or scroll down to learn more 🌟 Why work with me? ✦ 4+ years of experience in presentation and visual communication ✦ Expert in PowerPoint, Google Slides, Canva & Figma ✦ Fast turnaround, consistent quality, unlimited revisions ✦ Friendly, responsive, and focused on making your message shine ✦ Trusted by startups, executives, and marketing teams worldwide 💚 What clients say about working with me "I gave him minimal direction and got back a presentation that blew everyone away. Rafli is fast, creative, and gets the message even before you finish explaining it." "Finally found a designer who actually understands both design and business. A rare combo." "From boring bullets to slides that sell. Highly recommended." 🚀 What I do: 🎯 Presentation Design (PowerPoint, Google Slides, Canva, Figma) • Slide revamp & cleanup | Layout design | Visual storytelling • Custom graphics | On-brand formatting | Pitch decks 💼 Pitch Deck Design (Seed, Series A–C, B2B/B2C, SaaS, Marketplace, etc.) • Investor-ready decks with clear hierarchy and storytelling flow 📁 Template Design • Easy-to-edit templates | Master slide setup | Brand-aligned styles 📊 Data & Dashboard Visualization • Excel charts to infographics | KPI dashboards | Clear, digestible visuals 🛠️ My Process 1. Kickoff: We'll clarify your goal, audience, and tone. You can send me your raw slides, notes, or references. 2. Sample Slide: I’ll create 1–2 slides first to align on design direction. 3. Full Build: Once approved, I’ll build out the full deck. 4. Refinements: I offer unlimited revisions until you're 100% happy. 5. Final Files: Delivered in fully editable format + PDF export if needed. 📊 Numbers That Back It Up ✦ 10,000+ slides crafted ✦ 600+ projects successfully completed ✦ 100+ pitch decks designed ✦ Countless Templates designed in both PowerPoint and Google Slides ✦ Used by startups, consultants, and global companies 🚀 Industries I Work With From Financial Services to Healthcare, Energy, Telecommunications, Pharmaceuticals, Transportation, Automotive, and Real Estate, my reliable and fast delivery meet the unique needs of diverse sectors, including AI, Construction, Government, Media & Entertainment, Logistics, Agriculture, Hospitality, Education, Consumer Goods, Tech, Software Development, Renewable Energy, Aerospace, Fashion, Insurance, Gaming, Non-profit, Luxury Goods, Robotics, FMCG, Mining, Cryptocurrency, eCommerce, Sports, Food, Leisure, Textiles, and Environmental Services. Expert in Presentation Design and Graphic design for all purposes, Google Slides, Google Presentations, PowerPoint, Figma and Canva. With an extensive portfolio in creating and customizing templates including , PowerPoint Templates, Google Slides Templates, Figma Templates, Canva Templates, Slide Presentation and Pitch Deck Templates for Figma, Canva, Google Slides and PowerPoint. I excel in creating original designs and professional presentations for any audience or need, whether it's a pitch deck, presentation design, or template design. 💡 I'm also a certified Google Data Analytics and TensorFlow developer, allowing me to integrate technical insight into visually clear presentations. I’ve worked with clients like ECA.uk on international summits and optimized partner procedure presentations for business operations.

Canva Designer specializing in fully editable Canva templates, file conversion to Canva, ebooks, presentations, Postcard, Business Card and social media templates for businesses, coaches, and content creators. Most clients come to me with two needs — they have a file in another format that needs to be recreated in Canva, or they need a professional Canva design from scratch that is clean, structured, and easy to edit. I'm a Top Rated Canva designer on Upwork with a 100% Job Success Score. I focus on creating Canva files that are not only visually strong but also properly structured for real editing use. Many Canva templates and conversions look good at first but become difficult to edit when actually used. I solve this by building organized layers, clean layouts, and fully editable structures — so the file remains stable when content changes. Conversion Services: • PDF to Canva Conversion • PowerPoint to Canva Conversion • Google Slides to Canva Conversion • Google Docs to Canva Conversion • Figma to Canva Conversion • Photoshop to Canva Conversion • InDesign to Canva Conversion • Word to Canva Conversion • HTML to Canva Conversion • AI Image to Canva • Chat GPT to Canva • PNG to PPT Design Services: • Editable Canva Templates • Brand-Aligned Canva Templates • Canva Template Systems for Teams • Editable eBook & KDP Design • Social Media Templates • Presentation & Pitch Decks • Postcard • Business Card Why clients work with me: ✓ Top Rated Freelancer on Upwork · 100% Job Success Score ✓ Consistently 5-Star Rated ✓ Fast Turnaround (24–48 Hours for most projects) ✓ Clean, structured, and fully editable Canva files ✓ Pixel-perfect layout, spacing, and typography ✓ Strong attention to detail and consistency ✓ Clear communication throughout every project If you need a Canva Expert for editable Canva templates, Canva conversion, ebooks, or social media design — send me your project details. I’ll review it and tell you exactly what’s possible and the best way to proceed.

I'm Didi a professional in user interface design, user experience design, interaction design, illustration, and branding logos with more than 5+ years of experience. 🏅 Upwork Certified UI Designer | 🌟 Figma Expert I've helped multiple clients from small medium businesses to big brands from various industries to handle product design with a focus on the user and key business indicators. If you want to see more my portfolio work please visit: dribbble.com/didikurniawan My Expertise Skills : ✅ Mobile UX/UI Design (Android/IOS, and Progressive Web App) ✅ Website UX/UI Design (Landing Page, and Dashboard) ✅ Design System ✅ Site Mapping ✅ User Flow ✅ Wireframing ✅ Prototyping ✅ Interaction Design ✅ Mockup Design ✅ Custom Illustration ✅ Branding Logo Across Various Industries : - E-commerce - Fintech - Blockchain/Web3 - SaaS Platforms - Artificial Intelligence - Cybersecurity - Construction Real Estate - Healthcare - Food and Drink - Education - Entertainment - Other startup My Design Tools : - Figma (⭐️ Mostly) - Adobe Illustrator - Adobe Photoshop - Procreate - Principle - Framer My Process : - Get detailed requirements from you (Understanding) - Designing based requirement (Process) - Design update (Alignment) - Handoff all design files (Done) I'd love to work with you and help to create an awesome design & product for your business. Let's send a message me now, and discuss the project together! Keywords to find me : #UIDesign, #UXDesign, #UserInterfaceDesign, #UserExperienceDesign, #WebDesign, #ResponsiveWebDesign, #MobileAppDesign, #ProgressiveWebAppDesign, #AppDesign, #iOSAppDesign, #iOSGuidelines, #AndroidAppDesign#, #AndroidGuideline, #Wireframing, #Prototyping, #eCommerceWebAppDesign, #SaaSDesign, #DashboardDesign, #FigmaDesign, #FigmaExpert, #AIPlatformDesign, #SmartwatchDesign, #ApplewatchDesign, #WEB3Design, #CryptoPlatformDesign, #iPadGuidelines, #iPadDesign, #TabletDesign, #ResponsiveDesign, #IconAppDesign, #UIIllustration, #CustomIllustration, #Iconography, #LogoBrandDesign, #BrandingDesign, #SocialMediaTemplate, #MockupDesign, #BrandGuideline, #Mapping, #Userflow, #LandingpageDesign, #BrandIdentityDesign, #InteractionDesign, #2DIllustration, #VectorDesign, #GraphicDesign, #DesignSystem

As a highly skilled and experienced blockchain developer with a bachelor's degree in Computer Science and a strong background in IT, I have extensive experience working on a variety of projects involving the development and implementation of smart contracts, the creation of decentralized applications (DApps), and the development of non-fungible tokens (NFTs). My technical expertise includes programming languages such as Solidity and ReactJS, as well as a deep understanding of the technical aspects of blockchain technology. I have a proven track record of delivering high-quality work to my clients, and am known for my reliability and dedication to my projects. In addition to my experience in blockchain development, I am also proficient in front-end web development using the React framework. I have a strong understanding of the principles of user experience and interface design, and am able to create intuitive and visually appealing applications. If you are in need of a talented and experienced blockchain developer who can bring your project to life, I would be happy to help. I am confident in my ability to deliver exceptional results and exceed your expectations.

Greetings! I'm a native Indonesian speaker. I will be more than happy to help you translating the text to Indonesian. Normally I can translate 1700 words/day at USD 0.08/word. Experiences : - 5 months as a translator for a Russian-based Forex company - 2 months as an article writer (automotive) - 2 months as a translator for a Japanese advertising company - 3 months as a translator for a US-based cryptocurrency company - 1 month as a translator for a Singapore-based translator Agency - 6 months as Google rater (occasional)