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Senior Python Engineer (Remote)

Crystal Intelligence

Remote
Full-time
Senior
8+ yrs
Salary not listedPosted 4w ago

Real job — pulled straight from Crystal Intelligence’s careers page · Verified July 18, 2026 · No reposts.

Job description

Crystal Intelligence is hiring a Senior Python Engineer (Remote) — a full-time, remote role. Apply directly on Crystal Intelligence's careers page below.

Position Summary:

We are looking for a talented Senior Python Engineer to join our team responsible for transaction monitoring and exploration. This is a fully remote role, and we welcome applications from anywhere in Europe. As part of our Nexus squad, you will play a critical role in streamlining clients’ operations and smoothing their investigations on the Crystal platform.

More details: crystalintelligence.com

Duties and responsibilities:

  • Owning the transaction monitoring part of the Crystal platform;

  • Improving stability and observability of the owned services;

  • Maintaining code to high-quality standards;

  • End-to-end feature design and implementation;

  • Coding, debugging, testing and delivering features and improvements in a continuous manner;

  • Providing code reviews, assistance and constructive feedback to other team members;

  • Performance optimizations (including database queries optimizations);

  • Refactoring code as necessary.


Required:

  • 8+ years of commercial experience developing Python backend services and APIs for the web;

  • Solid software architecture skills;

  • Strong knowledge of SQL/NoSQL databases and data architecture, including PostgreSQL;

  • Knowledge of testing principles at different levels of the system;

  • Experience in developing client-facing solutions;

  • Experience with distributed systems;

  • Product-oriented mindset;

  • Proficiency in English.


Would be a plus:

  • Experience with scalability and performance optimizations of large distributed systems.

  • Experience with systems operating on large data volumes;

  • Experience with the Flask framework;

  • Passion for cryptocurrencies and blockchain technologies.


No previous knowledge of Blockchain technology required.

Tech stack:

  • Redis, RabbitMQ, PostgreSQL, ClickHouse;

  • Kubernetes, AWS + Hetzner;

  • Python 3.14, Flask, Granian;

  • Datadog, Grafana.


You’ll get:

  • AI tool of your choice: Cursor or Claude Code.

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Frequently asked questions

Is Senior Python Engineer (Remote) at Crystal Intelligence a remote job?

Yes, Senior Python Engineer (Remote) at Crystal Intelligence is a remote position. This role is open to remote candidates.

What skills are required for Senior Python Engineer (Remote) at Crystal Intelligence?

The required skills for Senior Python Engineer (Remote) at Crystal Intelligence include: Python, SQL, NoSQL, PostgreSQL, Redis, RabbitMQ, Kubernetes, AWS, Flask, Datadog, Grafana, API.

What is the seniority level for Senior Python Engineer (Remote) at Crystal Intelligence?

Senior Python Engineer (Remote) at Crystal Intelligence is a Senior level position.

How do I apply for Senior Python Engineer (Remote) at Crystal Intelligence?

You can view the full description and apply for Senior Python Engineer (Remote) at Crystal Intelligence on EchoJobs: https://echojobs.io/job/crystal-intelligence-senior-python-engineer-remote-b6xhg.