Location
toronto, on, Canada
Posted
July 20, 2026
Job Description
Location: Toronto 4 days a week on site F2F interview required
Role Overview
We are looking for a Senior Backend Developer with 5+ years of experience in big data engineering, API integration, and AI-assisted development. The ideal candidate will design, build, and maintain scalable data pipelines and backend systems in an enterprise environment.
Key Responsibilities
- Design and develop Spark‑Scala applications for large‑scale data processing on Hadoop/CDP clusters
- Build and optimize ETL/ELT pipelines using Spark DataFrames, Datasets and Spark SQL
- Tune Spark jobs for performance (partitioning, caching, broadcast joins, shuffle optimization)
- Migrate Spark 2 applications to Spark 3 on Cloudera CDP platforms
- Work with Parquet, ORC, Avro file formats on HDFS
- Write complex HiveQL / Spark SQL queries including window functions, CTEs, subqueries and ...