Senior Data Engineer / ETL Developer (PySpark)
First seen by Alion on Oct 14, 2026.
Location: Remote (in Canada)
Language: Written and spoken communication skills required; language not specified
Duration: Contract, November 9, 2026 to March 31, 2027, with possible extensions
About the Opportunity
Are you an experienced ETL developer who enjoys building scalable data solutions and solving complex technical challenges? We're looking for a Senior Software Developer, ETL/PySpark to support a Canadian healthcare information organization in modernizing its data platforms and reporting capabilities.
You'll collaborate with analytical teams, developers and business stakeholders to build reliable data pipelines, improve existing applications and support innovative reporting solutions. This is an opportunity to apply your technical expertise while contributing to meaningful, data-driven initiatives.
What's In It for You
Join a collaborative, Agile environment where technical expertise, knowledge sharing and continuous improvement are valued. You'll gain exposure to modern cloud technologies, complex data environments and opportunities to contribute to impactful digital transformation projects.
Your Responsibilities
You'll develop, maintain and optimize ETL pipelines and data processing applications using Python, PySpark and R.
You'll build clean, modular code and participate in peer reviews, testing and quality assurance activities.
You'll manage application maintenance, troubleshoot issues and support users across testing and production environments.
You'll prepare deployment packages, coordinate releases and contribute to CI/CD pipeline development.
You'll maintain technical documentation, ETL mappings and system configurations.
You'll collaborate with analytical teams and share expertise in advanced analytics, machine learning and data visualization.
Skills and Qualifications
7+ years of relevant software development experience, with senior-level expertise in ETL and large-scale data processing.
Advanced proficiency in Python, PySpark and SQL, including data science applications and maintainable code development.
Strong experience with AWS Cloud, AWS EMR, AWS Redshift and Apache Airflow.
Extensive knowledge of Oracle databases, Oracle PL/SQL, dimensional modelling and analytical data warehouses.
Advanced Linux/Unix shell scripting skills and experience documenting ETL designs and technical environments.
Experience with CI/CD pipelines, unit and integration testing, deployment processes and Agile delivery.
Strong analytical, troubleshooting, communication and collaboration skills.
Why Partner with Altis
If youve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if youre a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.
We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals.All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.