Remote Senior Backend Engineer (Web Scraping & Blockchain Analytics)

Description:

• Chainlabs is a data startup focused on enabling web3 analytics, specializing in identifying blockchain address ownership and tracking addresses linked to illicit activities.
• The company supports industry leaders like Nansen, Chainalysis, and Arkham in their wallet labeling efforts.
• Primary clients include anti-money laundering (AML) service providers, law enforcement, traders, and academic researchers.
• The company is backed by Lunar Rails, providing financial stability while maintaining the agility and independence of a startup.
• The Senior Backend Engineer will develop key data pipelines, including web scrapers, ETL workflows, and AI agents to extract critical data from clearnet and darknet platforms.
• The role involves designing high-performance systems to move data into PostgreSQL and BigQuery environments.
• Responsibilities include web scraping, data engineering, API maintenance, and data analytics.

Requirements:

• Proficiency in Python for data engineering, web scraping, API development, and databases like PostgreSQL is required.
• Experience with frameworks such as Scrapy, Selenium, and BeautifulSoup is necessary.
• Understanding of advanced web scraping techniques, including IP rotation, proxy management, and CAPTCHA handling is essential.
• Familiarity with modern AI models, APIs, and SDKs (e.g., OpenAI, LLMs) is required.
• Hands-on experience with ETL orchestration tools like Apache Airflow is necessary.
• Strong problem-solving skills and the ability to work with a wide variety of data are essential.
• The candidate must be able to work independently and meet deadlines in a remote environment.
• A passion for blockchain and web3 technologies, along with an interest in combatting financial cybercrime, is required.
• Nice to have: Familiarity with RESTful API development using the Flask framework.
• Nice to have: Strong experience with SQL and some exposure to JavaScript.
• Nice to have: Experience with on-chain analytics.

Benefits:

• The position offers a competitive salary.
• Employees enjoy a remote work environment with a flexible schedule.
• The team values data and AI, with the founder being a data scientist.
• The company culture emphasizes transparency, speed, courage, and curiosity.
• There are opportunities for fast personal and professional growth.
• Employees gain exposure to a global network of industry experts and partners.