Senior Software Engineer, Data (L3)

About the Role

Join CoinGecko as a Senior Software Engineer, Data, to build and scale the world's leading cryptocurrency data platform, shaping the future of decentralized finance.

Responsibilities

• Design, build, and maintain scalable data pipelines processing high-volume, multi-source data feeds.
• Implement robust data models using star schema and dimensional modeling techniques.
• Own end-to-end data infrastructure including pipeline orchestration, data warehousing, and OLAP systems.
• Establish and maintain comprehensive data quality frameworks, including automated validation, monitoring, and remediation.
• Provide code reviews, technical direction, and mentorship to junior team members.
• Create and maintain comprehensive technical documentation and contribute to team knowledge bases.
• Lead troubleshooting efforts for data-related issues and participate in post-mortems.
• Stay up-to-date with emerging trends and technologies to propose improvements and proof-of-concepts.
• Partner with data analysts, product managers, and business stakeholders to translate requirements into scalable technical solutions.

Requirements

• 5-8 years of data engineering experience with a proven track record in building production-scale ETL/ELT pipelines, data warehousing, and analytics infrastructure.
• Bachelor's degree in Computer Science, Data Engineering, Software Engineering, or related technical field, or equivalent professional experience.
• Professional experience with cloud data warehouses (ClickHouse, BigQuery, Snowflake, Redshift).
• Proficiency in Python and common libraries (pandas, dask, pyarrow, pytest).
• Experience with workflow orchestration tools (Dagster, Airflow, or similar).
• Experience with stream processing technologies (Kafka, Flink, or similar).
• Knowledge of data modeling, dimensional modeling, and schema design principles.
• Experience managing cloud infrastructure, containerization, and CI/CD pipelines for data applications.
• Excellent communication and interpersonal skills.
• Self-motivated with the ability to work independently and contribute to shared leadership.

Nice-to-Haves

• Experience working in an early-to-growth stage startup.
• Experience building applications in different tech stacks.
• Keen interest in decentralized technologies and cryptocurrencies.