👨🏻‍💻 postech.work

Data Engineer

Pulsar • 🌐 In Person

In Person Posted 3 days, 16 hours ago

Job Description

Target profile

You will love this job if:

You are pioneering and innovative and want to be part of the cutting-edge and disruptive crypto-currency world

You are eager to learn new knowledge in both financial and technical fields

You thrive in a non-hierarchical organization with a casual working environment

You enjoy solving complex distributed systems challenges and optimizing streaming data pipelines

You value comprehensive documentation and collaborative problem-solving

Team / Role

As a Data Engineer you will:

Build real-time data pipelines using Apache Flink (PyFlink) to process high-volume logs through EC2 → Vector → MSK → PyFlink → S3 → ClickHouse architecture

Design stream processing systems with watermark strategies, window operations, exactly-once semantics, and state management for critical data

Deploy and manage AWS infrastructure including Managed Flink, S3 data lakes, MSK, IAM, and CloudWatch monitoring with optimized partitioning strategies

Optimize performance and troubleshoot SQL queries (Flink/ClickHouse), production issues, data skew, and build Grafana dashboards for pipeline monitoring

Implement data quality frameworks with schema evolution, validation strategies, and translate business requirements into scalable data solutions

Manage DevOps processes including JAR dependencies, Docker containerization, Kubernetes deployments, and comprehensive documentation

Required Skillset

University degree in Computer Science, Software Engineering or related disciplines

Apache Flink/PyFlink with watermarks, state management, and window operations

Python (pandas, polars, boto3) and SQL (Flink SQL, ClickHouse)

Kafka/AWS MSK and message streaming concepts

AWS services: Managed Flink, S3, MSK, CloudWatch, IAM

Docker, Kubernetes, and containerization fundamentals

Grafana monitoring and production troubleshooting experience

Nice to Have:

Airflow, Terraform, Maven/Gradle

ClickHouse table engines and optimization

CI/CD pipelines and testing frameworks

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