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I am an experienced Python Automation Engineer and Full-Stack AI Developer. I build production data pipelines on Apify, Generative AI tools and agentic workflows on the Anthropic Claude API and OpenAI, and full-stack SaaS platforms on Django and Next.js all engineered for daily, unattended operation. I have 10+ years of experience with Python, Django, and Django Rest Framework, 5+ years of hands-on web scraping with Playwright, Crawlee, Scrapy, BeautifulSoup, and Selenium, 3+ years building with Next.js, React, and TypeScript on the frontend, and 2+ years building LLM-powered tools and agentic systems with the Anthropic Claude SDK, OpenAI API, and the Claude Code CLI. I have worked with relational and non-relational databases including PostgreSQL (with Row-Level Security for multi-tenant isolation), MySQL, and Microsoft SQL Server. Regarding cloud and deployment, I have experience with Apify Cloud, Railway, Vercel, AWS, and Google Cloud including the Google Drive API, SendGrid, and the Anthropic and OpenAI APIs. I am an expert at handling Akamai, Cloudflare, and PerimeterX anti-bot regimes through residential proxies, browser fingerprinting, and TLS-fingerprint matched headers. Recent work includes: - A 5-actor Apify monorepo scraping the UK Big-5 grocers (Tesco, Sainsbury's, Morrisons, Asda, Ocado) with loyalty-aware pricing and same-day structure-shift alerts. - An AI-powered Bid Analysis System for AV / low-voltage / structured-cabling construction estimating built on the Anthropic Claude SDK with PDF extraction, structured Pydantic models, prompt caching, and tenacity-backed retries. - Agentic development workflows using the Claude Code CLI for code generation, multi-step refactoring, test-suite scaffolding, and autonomous task execution both for client delivery and internal tooling. - DriverCadet, a multi-tenant Django 5 + Next.js 16 SaaS for LTO-accredited driving schools PostgreSQL Row-Level Security, JWT auth with per-role permissions, 200+ green backend tests and 30+ Playwright e2e tests. - An Oklahoma County Assessor → Google Drive pipeline, a 7-site competitor-housing tracker with email delivery, and a 50-state US media directory crawler in Python. I practice Test-Driven Development (TDD) as a default writing the test first, then the code that makes it pass. Every project I deliver ships with both an automated test suite (pytest, Vitest, Playwright e2e) and a manual smoke-test runbook so quality is verifiable end-to-end, not just at the unit level. I also build structure-shift detection and same-day webhook alerts into every scraper, so silent breakage gets caught immediately rather than weeks later in the historical record. I am a positive engineer who values clean schemas, deterministic runs, and verifiable quality at every layer. Let's add value together in your project. It is my hobby to take ownership of the work I do not blindly follow instructions, I validate them first, and if there is a better way of completing the work with the end user in mind, I will suggest it.

Top-rated senior software engineer focused on Node.js, Python, Go, AWS stack, software architecture, database design and optimization. I help startups and established companies build scalable applications across hospitality, fintech, e-commerce, healthcare, conferences and real estate sectors. Programming: Python, TypeScript/JavaScript, Node.js, Go, Ruby Frameworks: Django, Flask, FastAPI, NestJS, Express, React, Next.js, Echo, Ruby on Rails Databases: PostgreSQL, CockroachDB, MySQL, DynamoDB AWS: Lambda, API Gateway, EC2, RDS, S3, CloudWatch, Serverless Framework GCP: Firebase, Firestore, Cloud functions DevOps: GitHub Actions, Terraform Blockchain: Ethereum Containers: Docker, Docker Compose Mobile/Desktop: Flutter, Electron Other: Software Architecture, API Design, Stripe Payments Highly proficient in building scalable backend systems and high-performance APIs

About Me Hi, I’m Alex Lim, a multidisciplinary Python and Django engineer with more than 20 years of experience designing and building intelligent, automated, and full-stack systems for clients in telecom, AI, and enterprise software. My work blends engineering precision with creativity and problem-solving. I’ve developed platforms that automate workflows, manage complex data, and connect web, mobile, and IoT systems in ways that make operations faster and simpler. I started in electronics and communications engineering, moved into full-stack development, and later led research and development teams focused on innovation and AI-driven automation. I love building systems that connect ideas, people, and technology. What I Do I build reliable, scalable, and smart systems using: Backend development: Python, Django, Flask, FastAPI, GraphQL Frontend and mobile: Flutter, React, Vue, Bootstrap, Tailwind AI and automation: OpenAI API, LangChain, LocalAI, n8n, MCP Orchestration Data and integration: PostgreSQL, MySQL, MongoDB, Redis, Google Sheets, REST APIs Cloud and DevOps: AWS, Docker, Nginx, GitLab/Github CI/CD IoT and embedded systems: Arduino, Raspberry Pi, MQTT, robotics interfacing Each solution I create focuses on performance, maintainability, and long-term value. Highlighted Projects PAIR (Personal AI Remote): A cross-platform AI system that connects devices and users for seamless collaboration. NexPortal: A Django-based enterprise platform that automates telecom billing and uses AI for PDF invoice recognition. Catch-a-Gig: A job marketplace platform with credential uploads, matching algorithms, and ad dashboards. TeleBots: Telegram automation bots for provisioning, management, and telecom operations. NexSports and Traffic AI: Real-time analytics systems using Python, OpenCV, and TensorFlow for motion detection and streaming. SmartHome App: A Flutter IoT app that automates lighting and appliances with MQTT. Auto-Trader: A reinforcement learning trading bot using Python and scikit-learn. Pole Site Surveyor: A mobile and web app for geotagged telecom pole mapping and reporting. Each project was designed for reliability, documentation, and scalability. Skills and Technologies Languages: Python, Dart, JavaScript, C/C++, PHP Frameworks: Django, Flutter, Flask, FastAPI, Laravel, Node.js, React, Vue Databases: PostgreSQL, MySQL, SQLite, MongoDB, Firebase AI Tools: OpenAI API, Pandas, NumPy, SciPy, Roboflow, OCR, OpenCV Automation Tools: n8n, Zapier, Google Apps Script, ClickUp API Version Control: Git, GitLab, Bitbucket, GitHub Cloud and Containers: AWS, Docker, Nginx, VirtualBox Creative Tools: Figma, Photoshop, Illustrator, Premiere, OBS, Unreal Engine I work comfortably across the entire development stack, from backend logic to automation and design. Work Philosophy I believe great systems are built with structure, collaboration, and purpose. My workflow includes: Open and consistent communication Clean, maintainable, and well-documented code Focus on scalability, testing, and reliability Respect for deadlines and deliverables I care deeply about creating results that last and make a measurable difference. Professional Background Head of Innovations, Research, and Development at NexLogic Telecommunications Network Inc., leading AI, automation, and IoT solutions. Founder of Protodev Information Technology Solutions, developing production-ready apps and automation systems. IEEE Awardee and National Physics Olympics Champion, recognized for innovation in electronics and robotics. Guest speaker at Mapúa Institute of Technology, San Beda College Alabang, and UP Los Baños, teaching and inspiring students in software, AI, and microcontroller projects. Experienced mentor, educator, and team leader with a passion for innovation and creativity. Let’s Work Together I’m based in the Philippines and open to remote or hybrid collaboration. I bring hands-on technical experience, strong documentation habits, and a commitment to building systems that run smoothly and scale easily. If you’re looking for someone who can design, build, and manage complex systems end to end while ensuring real-world reliability and innovation, let’s connect and discuss how I can help bring your project to life.

Greetings! I'm Dave, a software developer with a strong foundation in Python and a knack for solving diverse challenges, including web development, scripting, scraping, automation, and more. 🔧 Key Skills: - Python Mastery: Proficient in leveraging the versatility of Python for a wide range of applications, from web development to automation and beyond. - Linux Expertise: Having used Linux as my daily driver since 2015, I bring a wealth of experience in navigating the Linux environment. Comfortable with the terminal, I excel at efficiently executing tasks and ensuring smooth operations. 🛠️ What I Offer: - Custom Web Solutions: Tailored web applications that harness the power of Python frameworks such as Django, Flask, and FastAPI. - Scripting and Automation: Crafting efficient scripts and automation tools to streamline your workflow. - Web Scraping: Extracting valuable data through advanced web scraping techniques. - Responsive Design: Ensuring seamless user experiences with Bootstrap, HTML, CSS, and JavaScript. - Database Management: Proficient in SQL and MongoDB for secure and efficient data storage. - Version Control: Utilizing Git for collaborative and version-controlled development. - Linux-Focused Solutions: Implementing solutions tailored for Linux environments, ensuring optimal performance. 💡 Why Choose Me: - Effective Communication: Clear and prompt communication throughout the project life cycle. - Proactive Problem Solver: Approach challenges with a proactive mindset, ensuring smooth project execution. - Passionate: I'm not just a developer; I'm passionate about creating solutions that make a difference. Let's discuss your project and turn your vision into a reality. I'm excited to bring my skills and dedication to your team!

I'm a Full Stack Developer with over 19 years of experience building web applications, e-commerce platforms, WordPress sites, and AI‑integrated systems. I've worked with offshore and onshore clients in Agile and Waterfall environments — delivering clean, scalable, and user‑focused solutions. Core strengths: - Frontend: React, Angular (AngularJS & Angular 2+), TypeScript, JavaScript/jQuery, HTML/CSS (SASS/LESS/Tailwind/Bootstrap) - Backend: Python (Django, Flask, FastAPI, Django Rest Framework), PHP - Databases & Firebase: SQL (MySQL, PostgreSQL), Firebase (Auth, Firestore, Cloud Functions) - CMS & E‑commerce: WordPress, Shopify, Demandware (SFCC/SFRA), Adobe Experience Manager 6.4 - AI Integration: Built API services using OpenAI/LangChain, Amazon AI, AssemblyAI (RAG, Generative AI, Agentic AI) Recent projects (Freelance, July 2024 – present): - RAN Optimization App – React/TypeScript/Tailwind + Python + RAG - Fraud Checking & KYC Apps – React + Generative AI + Python - eCommerce PWA – Angular/NgRx/TypeScript/Bootstrap - WordPress: NeonTech/Steel Creations Fab/ UMF Academy/The Civilians - CaseLink Smart API – Python/Django Rest + OpenAI + AssemblyAI Past WordPress work includes: - Maintained 200+ real estate WordPress websites (William Allan Corporation) - Built custom WordPress sites with PHP, HTML/CSS, JavaScript - Created responsive, SEO‑friendly, and cross‑browser compatible WordPress themes I deliver responsive, performance-optimized code — and communicate clearly to ensure quality results on time.

I'm a mechanical engineer turned self-taught programmer. I use my engineering skills and coding passion to solve real-world problems and keep learning new programming skills. SKILLS: Programming Language: Python: ★★★★☆ (4/5) Javascript: ★★★☆☆ (3/5) Libraries & Frameworks: Scrapy: ★★★★☆ (4/5) Selenium: ★★★★☆ (4/5) Playwright: ★★★★☆ (4/5) Pandas: ★★★★☆ (4/5) SQLAlchemy: ★★★★☆ (4/5) Flask: ★★★★☆ (4/5) Docker: ★★★☆☆ (3/5) Additional: HTML & CSS: ★★★★☆ (4/5) XPATH/CSSPATH: ★★★★☆ (4/5) REGEX: ★★★★☆ (4/5) Environment Setup and Coding Style: Linux (Ubuntu) VSCode + Vim Plugin