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Crystal Intelligence

Senior Python Engineer (Remote)

Crystal Intelligence
Ukraine · Full-time · Mid-Senior
Position Summary:

We are looking for a talented Senior Python Engineer to join our Blockchain integration team. This is a remote role, and we are flexible with considering applications from anywhere in Europe. As part of our Blockchain integration team, you will play a critical role in integrating additional blockchains and protocols into the Crystal platform.

More details: crystalintelligence.com

Duties and responsibilities:

  • Integration of blockchains, tokens and bridges within Crystal's platform;
  • Maintain code to high-quality standards;
  • End-to-end feature designing and implementation;
  • Code, debug, test and deliver features and improvements in a continuous manner;
  • Provide code review, assistance and feedback for other team members;
  • Refactor code as necessary.

Required:

  • 5+ years commercial experience in developing Python backend services and API for Web or Mobile Apps;
  • Solid software architecture skills;
  • Strong knowledge of SQL/NoSQL databases and data architecture;
  • Experience with a Flask framework;
  • Knowledge of Unit Testing principles;
  • Experience in developing service-oriented solutions;
  • Understanding of the process of integration with external services;
  • Product-oriented mindset;
  • Proficiency in English.

Would be a plus:

  • Hands-on experience with PostgreSQL;
  • Hans-on experience in big data, key-value and other storages;
  • DevOps skills for working in development environment;
  • Experience with open source solutions;
  • Passion for Bitcoin and Blockchain technologies;
  • Experience with distributed systems, like cryptocurrencies and blockchain technologies.

Key Skills

Ranked by relevance

blockchain python big data flask
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Posted
Oct 16, 2025
Type
Full-time
Level
Mid-Senior
Location
Kyiv
Company
Crystal Intelligence

Industries

Data Security Software Products

Categories

Engineering Information Technology

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