Crystalintelligence
Senior Python Engineer
NEWWarsaw, Bucharest, LisbonFull-timeGlobal
š Midš Remote
ActivePosted within the last 30 days
Job Description
You own the transaction monitoring part of the platform and you will work on improving stability and observability of the owned services. You maintain code to high quality standards and participate in end to end feature design and implementation. You will code, debug, test and deliver features and improvements continuously. You will provide code reviews and constructive feedback to other team members. You will perform performance optimizations including database queries optimizations and refactor code as necessary.
Requirements
- ā8+ years of commercial experience developing Python backend services and APIs for the web
- āSolid software architecture skills
- āStrong knowledge of SQL/NoSQL databases and data architecture, including PostgreSQL
- āKnowledge of testing principles at different levels of the system
- āExperience in developing client-facing solutions
- āExperience with distributed systems
- āProduct-oriented mindset
- āProficiency in English
Responsibilities
- āOwning the transaction monitoring part of the Crystal platform
- āImproving stability and observability of the owned services
- āMaintaining code to high-quality standards
- āEnd-to-end feature design and implementation
- āCoding, debugging, testing and delivering features and improvements in a continuous manner
- āProviding code reviews, assistance and constructive feedback to other team members
- āPerformance optimizations (including database queries optimizations)
- āRefactoring code as necessary
Benefits & Perks
- āAI tool of your choice: Cursor or Claude Code
Tech Stack
RabbitMQcryptocurrencyRedismonitoringNoSQLFlaskPostgreSQLGraniantransactionsPythonproject:Crystal Blockchain B.V.