Grow your career as a Senior Big Data Engineer with an innovative global bank in Mississauga, ON. Contract role with solid possibility of extension. Will require working a hybrid schedule 3 days onsite per week.

Join one of the world's most renowned global banks and trusted brand with over 200 years of continuously evolving financial services worldwide. You will work alongside some of the smartest minds in the industry who are excited to share their knowledge and to learn from you.

Contract Duration: 6 Months

Required Skills & Experience

- 6-8 years of professional Big Data developer experience
- Hands-on expertise in PySpark and Big Data processing, with the ability to build and optimise distributed data workflows at scale.
- Practical knowledge of the Hadoop ecosystem, including Hive, HDFS, Sqoop, Spark, Impala, and Scala, applied in a production environment.
- Proficiency in complex SQL query development for data analysis, transformation, and validation across large datasets.
- Solid understanding of distributed systems architecture and how data flows across interconnected processing layers.
- Knowledge / experience with DataBricks.
- Demonstrated knowledge of data modelling and data design, with familiarity in data warehouse concepts and dimensional modelling techniques.
- Competence in shell scripting and job scheduling using Autosys or equivalent workflow automation tools.
- Strong analytical and problem-solving ability, with a track record of working independently to diagnose and resolve complex data engineering challenges.
- Clear and effective communication skills,



with the ability to articulate technical concepts to both technical and non-technical audiences.

Desired Skills & Experience

- Experience in BI Platforms (preferably Tableau)

What You Will Be Doing

- Will use hands-on skills in Big Data development to design, build, and optimize large-scale data pipelines and distributed data systems that power critical Business Intelligence across the organization.
- Will work within a high-performing engineering team where your expertise in PySpark, the Hadoop ecosystem, and streaming data platforms will directly shape the reliability and performance of company's data infrastructure.
- Build and maintain scalable data pipelines using PySpark within a Big Data environment to process and transform large volumes of structured and unstructured data.
- Design and develop solutions across the Hadoop ecosystem — including Hive, HDFS, Sqoop, Spark, Impala, and Scala — to enable efficient data ingestion, processing, and storage.
- Develop and manage real-time and batch data workflows using streaming data platforms, ensuring high availability and low-latency data delivery.
- Write complex SQL queries to extract, validate, and analyse data across distributed systems, supporting data-driven decision-making.
- Design and implement data models and data architecture patterns aligned with data warehouse principles, ensuring scalability, accuracy, and consistency.
- Automate pipeline scheduling and orchestration using shell scripting and Autosys, reducing manual intervention and improving operational reliability.
- Independently identify, assess, and resolve technical risks and data issues in a timely manner, maintaining system integrity across the data platform.

📌 Senior Big Data Engineer (Mississauga)
🏢 Kelly
📍 Mississauga