Blockchain Data Engineer | Hybrid, Cutting-Edge Analytics

Placements24; Pretoria; Hybrid; ZAR 600,000 - 1,000,000; Full time

Benefits offered by this job

Hybrid work

Health insurance

Retirement plan

Professional development

Cutting-edge tech

Job summary

Placements24 is seeking a Blockchain Data Engineer in Pretoria to design, build, and maintain data pipelines that ingest data from blockchain networks such as Ethereum, Bitcoin and Solana. The role supports analytics by delivering reliable datasets and scalable architectures.

You will work with data scientists and software engineers, use Python/Java/Scala, SQL and big data tools, and contribute to data quality, governance, and performance improvements. Hybrid work is available.

Qualifications

• Bachelor's degree in Computer Science, Engineering, Data Science, or related field.
• 3+ years in data engineering, data warehousing, or ETL development.
• Proficiency in Python, Java, or Scala.
• Strong SQL and database experience (PostgreSQL, MySQL, NoSQL).
• Experience with Spark, Hadoop and cloud platforms (AWS, Azure, GCP).
• Familiarity with blockchain technology and data structures.
• Experience with Airflow or similar orchestration tools.
• Excellent problem-solving and communication skills.

Responsibilities

• Develop, test, and maintain scalable data pipelines ingesting data from blockchain networks.
• Design data models and schemas optimized for analytics.
• Ensure data accuracy, consistency, and completeness across sources.
• Implement ETL/ELT processes with suitable tools.
• Collaborate with data scientists and analysts to meet data needs.
• Optimize pipeline performance and troubleshoot data issues.
• Monitor data infrastructure and enforce data quality governance.
• Stay updated with data engineering and blockchain analytics trends.

Skills

Python

Java

Scala

SQL

NoSQL

Airflow

Spark

Blockchain basics

Analytical thinking

Communication

Education

Bachelor's degree in Computer Science, Engineering, Data Science, or related field

Tools

PostgreSQL

MySQL

NoSQL Databases

Spark

Hadoop

Airflow

AWS

Azure

GCP

Job description

Placements24 is seeking a Blockchain Data Engineer in Pretoria to design, build, and maintain data pipelines that ingest data from blockchain networks such as Ethereum, Bitcoin and Solana. The role supports analytics by delivering reliable datasets and scalable architectures.

You will work with data scientists and software engineers, use Python/Java/Scala, SQL and big data tools, and contribute to data quality, governance, and performance improvements. Hybrid work is available.