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I'm a creative artist, graphic designer, video editor, and content creator passionate about turning ideas into engaging visual stories. I help brands, businesses, and individuals create high-quality designs, captivating videos, and impactful content that connect with their audience. I focus on creativity, professionalism, and delivering projects on time while maintaining clear communication with clients.

Founder & Chairman of the Bergfeld Foundation — a family office built on a Bitcoin standard. After years in elite military service within the KSK, professional sports, engineering and corporate tech leadership roles for american tech companies, I shifted my full focus toward Bitcoin, long-term capital preservation and financial sovereignty. Since 2017 I have been deeply involved in the Bitcoin ecosystem with a strong focus on: • Bitcoin Treasury Strategy • Bitcoin Mining • Self Custody • Strategic Bitcoin Education Today I advise individuals, family foundations & offices, as well as small- to medium-sized businesses on how to understand Bitcoin from a long-term strategic perspective. The Bergfeld Foundation combines technical understanding, operational Bitcoin Mining experience and strategic advisory to help clients navigate the transition into a Bitcoin native future. https://bergfeldfoundation.com/

Backend & Web Developer with experience in ASP.NET Core, Django, and WordPress development. I build scalable web applications, REST APIs, CMS-based websites, and custom backend systems tailored to business needs. My focus is on clean architecture, performance, security, and delivering maintainable solutions. Skills include: * ASP.NET Core (Web API, MVC, Authentication, Admin Panels) * Django (REST Framework, backend systems, database design) * WordPress (theme customization, plugin integration, performance optimization) * Database design (SQL Server, PostgreSQL, MySQL) I work with startups and businesses to turn ideas into working products, from MVPs to production-ready systems.

Retired U.S. Air Force Colonel with 27 years commanding intelligence operations and turning around high-stakes teams under uncertainty. I now run operations in power delivery and electrical infrastructure at CarolinaPower while building a discreet advisory practice for leaders who demand real agency. What I do best: Translate disciplined command experience into operational clarity for Bitcoin and decentralized infrastructure companies. ISR leadership, squadron turnarounds, and P&L-style resource management honed my ability to cut through noise, optimize processes, and drive decisive execution. BS Electrical Engineering, PMP, and Certified Project Director (CPD) ground this in technical reality. High-Dominance Maestro style means I focus on power and results — not endless discussion. I work with clients through high-ticket 1:1 engagements and small hybrid cohorts: structured sessions that sharpen decision-making under pressure, team alignment in chaotic environments, and resilience frameworks drawn from military ops translated to energy-critical and Bitcoin-native contexts. No fluff. No corporate theater. You retain full control; I deliver frameworks that reinforce your freedom to act. Particularly effective for Bitcoin companies navigating regulatory pressure, infrastructure scaling, talent optimization, and high-reliability operations. My anarcho-capitalist grounding and respect for sovereign systems align naturally with Bitcoin's ethos of permissionless action and sound money principles. Reactivatable TS/SCI clearance adds quiet edge for dual-use or cleared-adjacent projects. Discreet, referral-driven, flexible hours. If you're building in Bitcoin and need a proven operator who values liberty and execution above all, reach out.

Professional freelancer available for Bitcoin-native work.

Professional freelancer available for Bitcoin-native work.

Professional freelancer available for Bitcoin-native work.

I’m a Bitcoin-focused creative strategist, designer, and builder helping brands, startups, and communities communicate Bitcoin through storytelling, media, education, and digital products. My work spans content creation, branding, design systems, AI-powered creative workflows, Bitcoin circular economy campaigns, and community growth across Africa. I’ve contributed to grassroots Bitcoin adoption initiatives, educational campaigns, merchant onboarding efforts, and Bitcoin-focused media projects that connect technology with real-world impact. I specialize in: - Bitcoin content & storytelling - Brand identity & creative direction - AI product development - Media and ad creatives - Social media strategy for Bitcoin brands - Educational and community campaigns - Product/design support for Bitcoin startups I’m passionate about building the next generation of Bitcoin-native businesses and helping projects communicate with clarity, trust, and cultural relevance. ⚡

A disciplined individual with a strong team spirit, high motivation, and a capability to quickly learn new concepts. Passionate about the DevOps and infrastructure domain, I possess the ability to install, configure, and connect various services, and have gained practical experience in solving real-world server and network service issues. I am also familiar with infrastructure management and automation concepts/tools, using programming to simplify and automate processes, alongside a solid understanding of networking and infrastructure at the CCNA level. In programming, I have worked with Python, Go, and Node.js, utilizing them to develop tools, interact with APIs, and build backend services. Additionally, I have hands-on experience in the blockchain space, specifically interacting with smart contracts, wallets, and implementing blockchain-related services in Node.js environments. The combination of my knowledge in networking, security, programming, and infrastructure enables me to design, deploy, and integrate diverse systems and services, allowing me to play an effective role in solving complex infrastructure and security challenges.

Professional freelancer available for Bitcoin-native work.

Excellent writer! The work was delivered on time, well-researched, and professionally written. Communication was smooth throughout the project, and all instructions were followed carefully. I would definitely recommend this writer and would be happy to work with them again.

I build practical AI automation and spreadsheet workflow tools for small businesses. I can create CSV cleanup systems, Excel or Google Sheets dashboards, weekly report templates, HTML email layouts, invoice or receipt templates, and simple operations tools with clear setup notes. I work best with a sample input file and the final output you want, then I deliver a reusable template or working file with documentation.

Professional freelancer available for Bitcoin-native work.

Helping businesses grow through reliable virtual assistance. 🇳🇵 Passionately sharing Nepal's heritage, culture, history, and tourism with the world.

Professional freelancer available for Bitcoin-native work.

With 13 years of experience in software development and project management, I am constantly learning and adapting to new technologies. I prioritize selecting the best tools and programming languages, even when they require extra effort. My key interests include software architecture, innovative systems, and tackling complex challenges. I am committed to implementing the right principles and best methodologies, as I believe rushed development leads to long-term inefficiencies and continuous bug fixing. Currently, I focus on EDA (Event-Driven Architecture), Kafka, Apache Flink, Go, ArangoDB, Node.js, Kubernetes and DevOps tools.

Professional freelancer available for Bitcoin-native work.

20 years. 100+ shipped products. 0 excuses. I’m Sergio, a Fractional CTO and full-stack engineer. Together with my cross-border team (US, Europe, LATAM), I help funded startups and ambitious founders build fast, build for revenue, and scale without technical debt. Proven Outcomes: NextBlock: $0 to $250K processed revenue in 60 days (Next.js + Stripe) Interviewiz: Interview platform handling 10K+ monthly sessions Infrastructure: Systems built for 50K+ concurrent users with 99.9% uptime How We Partner: Fractional CTO: Senior technical leadership to guide your team and strategy. SaaS & MVP Delivery: Rapid, high-quality deployment to get you to market and revenue faster. Backend & Architecture: Bulletproof infrastructure decisions that won't bite you later. Mobile Apps: Native-quality iOS & Android builds via React Native. Core Stack: Python (Django/FastAPI), Node.js, React, Next.js, React Native, Supabase, PostgreSQL, AWS, and programmatic SEO (pSEO). Note: To maintain hyper-responsiveness and elite code quality, I only accept 2–3 active projects at a time ($5K–$25K typical engagement). Let's Talk: If you're building a product that needs to scale, send me a message. We'll identify the fastest path to launch, avoid costly technical mistakes, and focus on what drives revenue. 📩 Visit me on Upwork: https://www.upwork.com/freelancers/~01c3d3c26484fa3d2a I only accept 2–3 active engagements at a time to maintain senior-level responsiveness and execution quality.

Professional freelancer available for Bitcoin-native work.

Professional freelancer available for Bitcoin-native work.

A professional graphic designer and creative director

Practical QA, workflow testing, technical research, and concise documentation for Bitcoin and web products.

Professional freelancer available for Bitcoin-native work.

Professional freelancer available for Bitcoin-native work.

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