Python Developer (Remote)
Status
Madrid, Spain
Full time
Office
Compensation is not specified
Role
Backend Engineer
Description
:
Crystal, a leading blockchain analytics tool for crypto AML compliance, is seeking a skilled Python Engineer to join their team. This position involves choosing technologies for backend development, designing and implementing features, debugging and testing code, providing code review and assistance to team members, and refactoring code as necessary.
Responsibilities:
- Select suitable technologies for backend development
- Design and implement end-to-end features
- Code, debug, test, and deliver features and improvements continuously
- Provide code review, assistance, and feedback to team members
- Refactor code as needed
Requirements:
- Minimum of 4 years of commercial experience in developing backend services and APIs for web or mobile applications
- Strong knowledge of Python programming language and software architecture
- Experience with PostgreSQL database system
- Familiarity with the Flask framework
- Understanding of unit testing principles
- Experience in developing service-oriented solutions
- Knowledge of the process of integration with external services
Preferred Skills:
- DevOps skills for working in a development environment
- Practical experience with big data and NoSQL, key-value, and other storage systems
- Passion for Bitcoin and blockchain technologies
- Experience with distributed systems, specifically cryptocurrencies and blockchain technologies
- Experience in mentoring a team and leading a project
- Familiarity with open source solutions
Skills Required

Crystal Blockchain
Website
crystalblockchain.comCompany size
Not specified
Location
United States
Description
Crystal is the world-leading all-in-one blockchain analytics tool for crypto AML compliance, providing blockchain analytics and crypto transaction monitoring for thousands of cryptos in real-time.
Designed for law enforcement and financial institutions, Crystal provides a comprehensive view of the public blockchain ecosystem and uses advanced analytics and data scraping to map suspicious transactions and related entities.
Whether it is tracking a bitcoin transaction to a real-world entity, determining relationships between known criminal actors, or surveying suspicious online behavior, Crystal can help move your investigation forward.
Status