Senior Data Platform Engineer (Remote)

Crystal Intelligence; Remote; PLN 252,000 - 380,000; Full time

Job summary

A tech company is seeking a Senior Data Platform Engineer to join their Blockchain team. This role involves integrating blockchains, developing data pipelines, and coding/deploying features. Applicants should have over 8 years of Python backend development experience and strong SQL skills. Knowledge of Docker, PostgreSQL, and blockchain technologies is essential. This remote position offers flexibility for applicants across Europe.

Qualifications

• 8+ years of experience developing Python backend services and APIs.
• Advanced knowledge of SQL with the ability to debug complex queries.
• Experience with PostgreSQL database system.
• Knowledge of Docker and ability to migrate services.
• Team-oriented work and good communication skills are an asset.

Responsibilities

• Integrate blockchains and AMM protocols within the platform.
• Participate in the development and maintenance of data pipelines.
• Design and implement end-to-end features.
• Code, debug, test, and deliver features continuously.

Skills

Python development

SQL expertise

APIs (Flask, FastAPI)

Docker

Communication skills

Tools

PostgreSQL

Big Data frameworks (Kafka, Spark)

Kubernetes

Job description

Position Summary

We are looking for a talented Senior Data Platform Engineer to join our Blockchain team, to participate in the development of the data collection and processing framework to integrate new chains. This is a remote role and we are flexible with considering applications from anywhere in Europe.

More details: crystalblockchain.com

Duties and responsibilities

• Integration of blockchains, Automated Market Maker (AMM) protocols, and bridges within Crystal's platform;
• Active participation in development and maintenance of our data pipelines and backend services;
• Integrate new technologies into our processes and tools;
• 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.

Required

• 8+ years of experience developing Python backend services and APIs;
• Advanced knowledge of SQL - ability to write, understand and debug complex queries;
• Data Warehousing and database basic architecture principles;
• POSIX/Unix/Linux ecosystem knowledge;
• Strong knowledge and experience with Python, and API frameworks such as Flask or FastAPI;
• Knowledge about blockchain technologies or willingness to learn;
• Experience with PostgreSQL database system;
• Knowledge of Unit Testing principles;
• Experience with Docker containers and proven ability to migrate existing services;
• Independent and autonomous way of working;
• Team-oriented work and good communication skills are an asset.

Would be a plus

• Practical experience in big data and frameworks – Kafka, Spark, Flink, Data Lakes and Analytical Databases such as ClickHouse;
• Knowledge of Kubernetes and Infrastructure as Code – Terraform and Ansible;
• Passion for Bitcoin and Blockchain technologies;
• Experience with distributed systems;
• Experience with opensource solutions;
• Experience with Java or willingness to learn.