Data Engineer

At OSL Retail Services, we believe people are the heart of everything we do, and it is an exciting time to be part of something special! Our momentum is growing, and is fueled by innovation, collaboration, and a shared entrepreneurial spirit that drives real results. Founded in 2012 in Mississauga, Ontario, OSL delivers customized sales solutions in retail, direct sales, and customer acquisition, all built on a foundation of integrity, respect, and passion. Our culture thrives on connection, purpose, and growth. If you’re looking for a place where your talents are valued, your ideas matter, and your career can grow, we’d love to meet you.

Reporting to the Manager, Data Systems, the Data Engineer is responsible for developing and maintaining business intelligence solutions, crafting, and executing queries up request for data and presenting information through reports and visualization. OSL Retail Services is a collaborative, fast paced and innovative company, to be successful in this role you must thrive in a fast-moving, ever-changing environment.

• →Translate business needs into technical specifications, working directly with stakeholders.
• →Design, build, and automate data flows that land data from varied sources (APIs, SaaS platforms, flat files, operational databases) into Postgres, handling incremental loads, deduplication, and schema drift.
• →Move and model data into our warehouse and build the analytical structures on top of it (OLAP cubes, semantic models) that let stakeholders’ self-serve.
• →Maintain and support our existing data workflows and reporting.
• →Write and optimize complex SQL and run the analyses that answer questions directly.
• →Unit-test your pipelines and troubleshoot failures by reading and interpreting error logs.
• →Collaborate with engineering, analytics, and business teams on system integrations.
• →Strong analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts of information with attention to detail and accuracy.
• →Excellent organizational skills
• →Strong written and verbal communication skills

• →Proven experience as a Data Developer, analyst, engineer, or Data Scientist
• →Background in data warehouse design, dimensional modeling, and data mining
• →In-depth understanding of database management systems and ETL (Extract, Transform, Load) frameworks.
• →Experience with Apache Airflow and Spark
• →Experience with RDBMS i.e., creating complex SQL queries, SQL Server Reporting Services (SSRS) and SQL Server Integration Services (SSIS)
• →Knowledge of and experience with different data sources (SQL and NoSQL), programming (Python or R), XML, REST API and JavaScript,
• →Experience and comfort working with open-source tooling.
• →Linux OS background would be an added advantage.
• →Analytical mind with a problem-solving aptitude
• →BSc/BA in Computer Science, Engineering, or relevant field and or relevant knowledge with experience
• →Familiarity with data visualization tools
• →Proven abilities to take initiative and be innovative and collaborative.
• →Positive and supportive tone, attitude, and work ethic