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$50/hr
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I build high-performance data extraction systems, web scraping infrastructure, and automation pipelines that transform raw data into structured, reliable datasets ready for reporting, analytics, and business decisions.
My focus is on delivering production-grade data systems - not just scripts, but scalable solutions that run on a daily basis, handle edge cases, and integrate seamlessly into your workflows.
I work with startups, agencies, and data-driven businesses that need reliable data collection, automation, and structured outputs at scale.
🔹 Data Extraction & Web Scraping
I develop robust web scraping systems capable of handling complex, large-scale data extraction tasks:
• Web scraping from dynamic websites (JavaScript, pagination, auth)
• Data extraction from directories, marketplaces, SaaS platforms
• Scraping at scale with anti-bot handling & optimization
• Structured data parsing and normalization
• Long-running scraping infrastructure
My solutions are built to be stable, maintainable, and scalable, even with frequently changing websites.
🔹 API Integration & Data Automation
I build API-driven automation workflows that connect multiple systems into one clean data flow:
• REST API integration (JSON / XML)
• API automation and data synchronization
• Multi-source data aggregation
• Scheduled data collection pipelines
• Error handling, retries, logging
🔹 Data Pipelines & ETL Systems
I design complete ETL pipelines (Extract → Transform → Load):
• Data cleaning and transformation
• Merging multiple data sources
• Structuring datasets for analytics
• Automated pipelines (daily / hourly execution)
• Scalable data processing workflows
🔹 Automation Systems & Bots
I build custom automation systems and bots that eliminate manual work:
• Data collection and monitoring bots 🤖
• Web automation & browser bots
• API-driven automation workflows
• Reporting automation pipelines
• Task scheduling and orchestration
🔹 Data Delivery & Outputs
Your data - clean, structured, and ready to use:
• Google Sheets automation 📊
• CSV / Excel exports
• Databases (PostgreSQL, MySQL, SQLite)
• Custom API endpoints
• Reporting-ready datasets
🔹 AI & LLM Integration
I integrate language models into automation workflows - not chatbots, but production pipelines that use LLMs for real work:
• OpenAI API integration into data pipelines
• RAG systems for document retrieval and Q&A over your own data
• LLM-based classification, extraction, and enrichment
• Intelligent processing layered on top of scraping/ETL
🔹 Working with US & EU clients - flexible data hosting
I work with clients worldwide. For European clients who need it, we can host data within the EU 🇪🇺(Germany) and handle it in line with GDPR.
🛠 Core Technologies
Python
Scrapy, Selenium, Playwright, BeautifulSoup
Pandas, NumPy
REST APIs, JSON, XML
PostgreSQL, MySQL, SQLite
Automation & scheduling systems
Git / GitHub
💡 How I Work
I don’t just write code - I help design reliable data systems.
Clients involve me in:
• Architecture decisions
• Data pipeline design
• Automation strategy
• Long-term scalability planning
✅ What You Get
✔️ Clean, structured dataset ready for reporting
✔️ Stable, automated pipeline (daily execution)
✔️ Scalable and maintainable system
✔️ Clear documentation & version-controlled code
✔️ Optional monitoring, logging & alerts
🔑 Keywords (Upwork SEO)
Web Scraping, Data Extraction, Python Developer, Data Mining, Automation, API Integration, API Automation, ETL, Data Pipeline, Data Engineering, Scrapy, Selenium, Playwright, BeautifulSoup, Data Processing, Data Cleaning, Google Sheets API, CSV Automation, Database Integration, Web Automation, Bots, Data Collection
💬 If you need reliable data pipelines or web scraping systems - let’s talk.
Associated with
Python Automation Masters - Top Level BigData and Web Scraping company
$17/hr
80%
Job Success
$4K+ earned
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As a dedicated and skilled Blockchain Engineer (SOL SUI, ETH) and Full Stack Web (MERN) developer, I also specialize in crafting powerful web scrapers, efficient web crawlers, and advanced data miners. With a keen understanding of the digital landscape, I possess a proven track record of delivering high-quality solutions that extract valuable information from various websites and online sources.
My expertise encompasses creating custom scraping scripts tailored to your unique requirements, harnessing the latest technologies to ensure seamless data extraction, transformation, and loading processes. Lead generation is my expertise. Vibe coding cleanup, harnessing AI tools to leverage my proficiency in Python, BeautifulSoup, Scrapy, Crawlee, Playwright, Selenium and other cutting-edge tools, I design robust and reliable scrapers that navigate complex website structures and access data with precision.
Whether you need real-time data updates, market insights, competitive intelligence, or any other specific information, I am well-equipped to build web crawlers that efficiently traverse the web, gather data at scale, and present it in a structured format for analysis. My commitment to delivering efficient, accurate, and timely results makes me your ideal partner in harnessing the power of web scraping and data mining for your business needs.
$40/hr
$300+ earned
Available now
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🚀 Building high-performance systems that don’t break under scale.
If you need a developer who can handle complex backend logic, blockchain infrastructure, or AI-powered systems — I deliver solutions that are fast, secure, and production-ready.
I’m a Security engineer, Blockchain Developer, and AI Specialist with deep expertise in building scalable, real-world systems. I don’t just write code — I design architectures that perform under pressure, handle edge cases, and are built for long-term growth.
💡 What I Bring
✔️ End-to-End Development
From idea to deployment — clean frontend, powerful backend, and scalable infrastructure.
✔️ Blockchain & Cryptography Expertise
Smart contracts, DeFi platforms, and deep knowledge of elliptic curve cryptography (ECC), including secp256k1.
✔️ AI-Powered Systems
Automation, intelligent workflows, and data-driven applications that improve efficiency and decision-making.
✔️ Performance Optimization
I specialize in making systems faster, lighter, and more efficient — especially in computation-heavy environments.
🔐 Advanced Expertise (What Sets Me Apart)
- 10+ years working with Elliptic Curve Cryptography (ECC)
- Deep experience in low-level optimization & high-performance computing
- Strong background in GPU parallel processing & cryptographic algorithms
- Built ultra high-performance Bitcoin vanity address generation system (massively parallelized)
I focus on turning complex mathematical and system-level concepts into production-grade implementations that actually work at scale.
🛠 Tech Stack
Languages: Rust, Go, Python, TypeScript
Core Areas:
- Backend Systems & APIs
- Blockchain (Solidity, Rust)
- AI/ML Systems
- High-Performance Computing
🎯 What You Can Expect
- Clear communication & fast response
- Clean, maintainable, production-ready code
- Strong focus on performance, security, and scalability
- Ability to handle complex, non-trivial problems
🚀 Let’s Build Something Serious
If your project involves complex systems, performance challenges, or cutting-edge tech (AI / Blockchain) — I’m the kind of developer you bring in to get it done right.
$8/hr
100%
Job Success
Available now
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I help brands, startups, founders, and Web3 projects grow their audience, increase engagement, and build active online communities through strategic content and social media growth systems.
**With 6+ years of experience in social media marketing, content management, Discord community building, and Web3 growth,**
I’ve worked with crypto projects, SaaS startups, ecommerce brands, founders, and online communities across X/Twitter, Instagram, LinkedIn, Discord, Telegram, and Facebook.
My Core Services
Social Media Content Management
• Content creation and daily posting
• X/Twitter growth and engagement
• Instagram, LinkedIn & Facebook management
• Reels, captions, creatives, and short-form content
• Content calendars and scheduling
• Brand positioning and audience targeting
• Engagement and community interaction
• Performance tracking and optimization
Web3 & Crypto Marketing
• NFT and crypto project marketing
• X hype and organic engagement campaigns
• Discord & Telegram community growth
• KOL outreach and giveaway campaigns
• Launch strategy and ecosystem visibility
• Community activation and moderation
Discord Management
• Complete Discord server setup and development
• Bot integrations and automation
• Community moderation and support
• Growth and engagement systems
• Onboarding and community management
Industries I’ve Worked With
• Web3 & Crypto Projects
• SaaS & Tech Startups
• Ecommerce & DTC Brands
• Personal Brands & Coaches
• Finance & Fintech
• Education Platforms
• Local Businesses & Service Providers
What I Focus On
• Growing active and engaged communities
• Creating content that builds visibility and trust
• Turning attention into long-term audience growth
• Improving engagement instead of vanity metrics
• Building systems that scale consistently over time
I understand how fast online attention moves, especially in Web3 and social media ecosystems. My approach combines content strategy, community psychology, engagement systems, and consistent execution to help brands stay visible and relevant.
I work as a long-term growth partner, communicate clearly, move fast, and stay focused on delivering real value.
If you’re looking for someone who understands social media growth, content strategy, X/Twitter engagement, Discord management, and Web3 marketing — I’d be happy to help.
$20/hr
100%
Job Success
$2K+ earned
Start of list.
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𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 𝗦𝗰𝗼𝗿𝗲
Are repetitive tasks slowing down your business? Spending too much time following up with leads, booking appointments, or managing customer data?
I help businesses automate their operations using GoHighLevel (GHL) so they can save time, reduce manual work, and focus on growth. Whether you're a marketing agency, local business, coach, consultant, or service provider, I build automation systems that improve efficiency and create a seamless customer journey.
What I can help you with:
✅ GoHighLevel CRM Setup & Configuration
✅ Workflow & Marketing Automation
✅ Sales Funnels, Landing Pages & Websites
✅ Pipeline & Lead Management
✅ Appointment Booking & Calendar Setup
✅ Email & SMS Marketing Automation
✅ AI Chatbots & AI Voice Agents
✅ GoHighLevel Snapshots
✅ SaaS Mode & White Label Setup
✅ API Integrations & Webhooks
✅ Zapier, Make & n8n Automation
✅ Twilio, Stripe & Mailgun Integrations
✅ REST API Integrations
✅ Android App Development
✅ Custom Business Applications
✅ Firebase Integration
✅ Third-Party API Integration
✅ AI-Powered Android Applications
Why work with me?
✔ Business-focused automation solutions
✔ Clean and scalable workflows
✔ Reliable API integrations
✔ Clear communication and on-time delivery
✔ Long-term support and continuous improvements
My goal is to build systems that save time, automate repetitive tasks, improve customer experience, and help businesses grow. Whether you need a complete GoHighLevel setup, powerful automation, or a custom Android application integrated with your business workflows, I can deliver solutions tailored to your needs.
Let's discuss your project and build something that creates real business value.
$50/hr
Available now
Offers consultations
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Most AI apps look great in a demo and fall apart when real users show up. I build the ones that hold up.
I've spent 7 years building frontends (React, Next.js, TypeScript, Tailwind, shadcn/ui), 4+ years on production backends (Postgres, Prisma, Supabase), and the last year shipping multi-model LLM features into real products. I also co-founded a product and ran its engineering up to a live product trusted with around $1M of user funds, so I know what real production takes, not just what a demo looks like. These days I use AI tools like Claude Code every day, which is how I ship in weeks what usually takes months without the code turning into a mess.
Wherever you're starting from, a rough idea, a stalled prototype, or a working product that's beginning to break, I take it and turn it into something solid you can put in front of real users and grow. I handle the whole thing end to end: the product, the AI inside it, and everything around it that has to work for it to count.
Stack: Next.js, React, TypeScript, Tailwind, Node.js, Supabase, Postgres, Claude, OpenAI, Vercel AI SDK, Stripe, Vercel.
Send me what you're building and where it's at today, and within a day I'll tell you if I can help and what it'll take.
Tunisia
$45/hr
$0 earned
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Software engineer...
+ Project design and development (Web, Mobile).
+ DEV : Blockchain, Ethereum, BSC, Polygon
+ DEV : Apps using PancakeSwap, Paraswap, AAVE...
+ DEV : Arbitration bots
+ Smartcontract Solidity
$60/hr
$900+ earned
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Blockchain Engineer since 5 years, was head of engineering at a DeFi yield aggregation protocol.
web3: Solana, Farcaster, Polkadot, Filecoin, Base (and EVM chains), ZK, Telegram Apps
Skills:
- Languages: Rust, TypeScript, Golang, Python, Solidity, PostgreSQL.
- Technologies: React/Next.js, Ethers.js/Viem/Foundry, Li.Fi, GraphQL, MongoDB, Redis, RabbitMQ, Docker.
Raj B.
has worked
.
$50/hr
$81 earned
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I specialize in custom blockchain solutions, ranging from Layer 1 & Layer 2 protocols, interoperable smart contracts, DeFi platforms, AI-driven blockchain innovations, and enterprise blockchain applications.
Notable Projects:
🔹 𝐂𝐫𝐞𝐚𝐭𝐞 𝐂𝐡𝐚𝐢𝐧 (𝐒𝐨𝐮𝐭𝐡 𝐊𝐨𝐫𝐞𝐚): Led the complete R&D of Creata Blockchain, including Layer 1 & Layer 2 solutions, EVM interoperability, tokenomics, and wallet applications.
🔹 𝐋𝐢𝐛𝐨𝐧𝐨𝐦𝐲 (𝐒𝐰𝐞𝐝𝐞𝐧): Designed Hybrid Blockchain solutions with AI-powered consensus mechanisms for optimized node classification and governance.
🔹 Expertise & Services:
1️⃣ Blockchain Core Development & Protocol Engineering
✅ Consensus Mechanisms: PBFT, DPoS, PoS, Tendermint, Hybrid AI Consensus
✅ Ledger Architecture: Merkle Trees, Hashing, Distributed Ledger Technology (DLT)
✅ Layer 1 & Layer 2 Solutions: Ethereum, Hyperledger Fabric, Solana, Binance Chain
✅ Cross-Chain & Interoperability: EVM-compatible networks, Custom Bridges
2️⃣ Smart Contract Development & Security Audits
✅ Standards: BRC20, ERC20/721/1155, Solana SPL, BEP20
✅ DeFi & NFT: Lending/Borrowing platforms, staking, NFT marketplaces
✅ Languages: Solidity, Nodejs, Go
3️⃣ Wallets, dApps & Web3 Integration
✅ Wallet Development & Integration: MetaMask, Ledger, Trust Wallet
✅ Full-Stack dApp Development: React, Next.js, Web3.js, Ethers.js
✅ Chrome Extensions: Blockchain-based browser extensions for crypto applications
4️⃣ AI & Blockchain Financial Systems
✅ Predictive AI Analytics for Blockchain & Crypto Markets
✅ Fraud Prevention & AI-Powered Risk Management
✅ Automated Trading Bots & AI-Driven Financial Models
5️⃣ Enterprise Blockchain & Cloud Solutions
✅ Permissioned Blockchain Development: Hyperledger, Cosmos SDK
✅ AWS, & Cloud-Based Deployments for Blockchain Networks
✅ Blockchain API Development & Backend Integration (Node.js, Python, Go)
I am your one-stop solution for blockchain innovation. Let’s build the future of decentralized technology together! 🚀
Regards,
Sarmad K.
has worked
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$9/hr
$40K+ earned
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I’m an AWS Certified Machine Learning Engineer – Associate and Blockchain Engineer specialized in building scalable, secure, and intelligent cloud-native platforms that solve real business problems.
Over the years, I’ve helped organizations design robust, resilient Hyperledger Fabric based distributed systems, while continuously strengthening my machine learning expertise to transform data into actionable insights for efficient, future-ready solutions. My passion lies at the intersection of Machine Learning, Cloud Computing (AWS), and Blockchain (Hyperledger Fabric) enabling solutions that are not only technically robust but also commercially impactful.
🎯 I solve complex challenges like:
➤ Designing and deploying ML models into production using AWS services (SageMaker, Lambda, API Gateway, S3, Step Functions)
➤ Creating secure, permissioned blockchain frameworks using Hyperledger Fabric for enterprise use cases
➤ Building scalable microservices and APIs that streamline workflows and accelerate time to value
➤ Translating ambiguous business requirements into high-performance architecture and deliverables
My work style is collaborative, data-driven, and results-oriented. I partner with cross-functional teams to ensure technical solutions align with business goals from ideation through deployment and monitoring.
Whether it’s data science pipelines, AI-driven automation, decentralized ledgers, or cloud infrastructure, I’m passionate about solving hard problems that drive growth and innovation.
With a strong focus on reliability, innovation, and scalability, I am ready to help bring your projects to life with cutting-edge technology.