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Full Stack Web Developer

A

Alegra Investments LLC

25 - 40K PHP
Full-time
Remote
Node.jsFull StackReact NativeBitcoinJavaPythonEthereum/SoliditySolanaRustGolang

We are looking for a highly skilled Backend Developer to build a robust database and develop a backend system capable of extracting, processing, and storing data from external websites. The ideal candidate will have experience in web scraping, database management, API development, and backend optimization.


  • Design and implement a scalable database (PostgreSQL, MySQL, MongoDB) for storing large amounts of structured data.
  • Develop web scraping scripts using Python (Scrapy, BeautifulSoup, Selenium) or Node.js (Puppeteer, Cheerio) to extract data from external websites.
  • Ensure data cleaning, validation, and structuring before inserting it into the database.
  • Build a RESTful API to serve data efficiently to the frontend.
  • Optimize database queries to ensure fast response times.
  • Implement cron jobs and automation scripts for periodic data updates.
  • Secure data storage and prevent scraping detection blocks (e.g., rotating proxies, headless browsers).
  • Integrate third-party APIs if necessary to retrieve additional data sources.
  • Backend Development: Node.js (Express.js, Nest.js), Python (Django, FastAPI, Flask)
  • Web Scraping: Scrapy, BeautifulSoup, Selenium, Puppeteer, Cheerio
  • Database Management: PostgreSQL, MySQL, MongoDB, Redis
  • API Development: RESTful APIs, GraphQL, FastAPI, Flask
  • Data Handling: Pandas, NumPy, JSON Processing
  • Security & Performance Optimization
  • Cloud Services: AWS, Google Cloud, Firebase
  • Version Control & Deployment: Git, Docker, Kubernetes
  • Experience in large-scale data scraping and anti-bot evasion techniques.
  • Knowledge of asynchronous programming for handling large requests.
  • Understanding of search engine optimization (SEO) for dynamic content.
  • Ability to work with microservices architecture for modular development.