Data Engineer

OSL Retail Services; Mississauga; On-site; CAD 75,000 - 90,000; Full time

Benefits offered by this job

3 weeks vacation

Comprehensive benefits package

RRSP matching program

Award-winning culture

Job summary

OSL Retail Services in Mississauga, Canada, is seeking a Data Engineer to build and maintain BI solutions, ingest data from APIs and files, and support analytics with a scalable warehouse. You will collaborate across engineering, analytics, and business teams to ensure accurate data delivery.

The role requires strong SQL, ETL, and data modeling skills, plus experience with Airflow and Spark. Competitive compensation includes a yearly bonus and comprehensive benefits.

Qualifications

• Experience in designing data warehouses and dimensional models.
• Proficient in writing complex SQL and optimizing queries.
• Experience with ETL frameworks (Extract, Transform, Load).
• Familiarity with API data sources, XML, REST APIs, and JavaScript.

Responsibilities

• Translate business needs into technical specs with stakeholders.
• Design and automate data flows from APIs, SaaS, and files into Postgres.
• Model data in warehouse and create OLAP structures for self-serve analytics.
• Maintain and support data workflows and reporting.

Skills

SQL

ETL

Python

Airflow

Spark

Data modeling

Data warehouse

Communication skills

Education

BSc/BA in Computer Science, Engineering, or relevant field

Tools

Postgres

SSRS

SSIS

SQL Server

Job description

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.

About the opportunity:

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.

Location: Mississauga (CANADA)

What you’ll do:

• 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

What you’ve done:

• 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

The salary for this role is $75K to $90K, with a yearly eligible bonus. Your final compensation will reflect your years of experience and beyond the numbers, we’re proud to offer a holistic package that includes:

• Generous time off: Start with 3 weeks of vacation.
• Comprehensive benefits package: Includes medical, dental, vision and a health spending account.
• Retirement support: Company-sponsored RRSP matching program to help build your financial future.
• Award-winning culture: Proud to be one of Canada’s Best Managed Companies for 8 years running — now a Platinum Club member.
• Invested in you: Structured employee development programs designed to help you thrive.

Interview Steps:

• Step 1: If your profile is a match, we will invite you for a first conversation with the recruiter.
• Step 2: The next step is an in-person interview with the hiring manager.
• Step 3: The final step is an in-person interview with the hiring manager and extended team.

We thank all interested applicants; however, only qualified candidates will be contacted. This position requires successful completion of a criminal background check.