Shape how data drives decisions in government.Join a collaborative, high‑impact data team that transforms complex data into actionable insights used across programs and services. As a Senior Data Science Developer, you’ll design and build advanced analytics solutions that help decision‑makers better understand problems, improve services, and deliver results for people in Ontario.A message from your hiring manager As the Manager of Data Analytics and Insights, I lead a talented and collaborative team dedicated to delivering high‑quality data solutions that support informed decision‑making across the organization. Our team is made up of skilled data engineers and data analysts who work closely together to ingest, transform, and position data so that it is accessible, reliable, and actionable for our program areas. We play a critical role in turning raw data into meaningful insights—ensuring stakeholders have the right information, at the right time, to drive strategic outcomes. Our focus is not just on delivering data, but on delivering value. My leadership approach is grounded in collaboration, trust, and continuous improvement. I believe strong teams are built through mutual support and open knowledge sharing, which is why we’ve introduced a buddy system within the team. This helps foster collaboration, encourages the exchange of best practices, and supports consistently high‑quality work. I strive to create an environment where people feel empowered to contribute, grow, and innovate—while also ensuring accountability and alignment with our broader goals. By supporting both technical excellence and teamwork, my goal is to build a high‑performing and resilient team that delivers impactful data solutions.About the job In this role, you will:Build data science and analytics solutionsDesign, develop, test and improve data science, machine learning, and AI solutionsCreate predictive, diagnostic,



and prescriptive modelsTranslate business problems into technical solutions that deliver measurable valueWork across the full data lifecycleDevelop and maintain data pipelines and data platformsPrepare and transform large, complex datasets (structured and unstructured)Ensure data is accurate, usable, and ready for analysisDeliver insights that people can useDevelop dashboards, reports, and visualizationsCommunicate findings in a clear, accessible waySupport stakeholders in understanding and using data independentlyLead and collaborateGuide projects through discovery, design, and delivery phasesPartner with clients to understand needs and recommend solutionsProvide mentorship and technical leadership within the teamWhat you bring to the team Data Engineering & Data ManagementExperience working with large, complex datasets (structured and unstructured)Ability to build and maintain data pipelines and prepare data for analysisUnderstanding of data quality, validation, and data structures (e.G., data lakes or warehouses)Technical Development & Data PlatformsExperience developing and maintaining data and analytics solutions using languages such as Python, SQL, R, or ScalaExperience working with cloud‑based data platforms (e.G., Azure, Databricks, Spark)Understanding of software development practices, including version control (e.G., Git)



and working in shared code environmentsData Science & Advanced AnalyticsExperience developing machine learning models and statistical analyses to generate insightsAbility to apply predictive and advanced analytics to solve business problemsFamiliarity with a range of data science techniques to explore and interpret dataProblem Solving, Design & Advisory SkillsAbility to analyze complex problems and design effective, data‑driven solutionsExperience working with partners to understand needs and recommend approachesAbility to communicate technical concepts in a clear, accessible wayCollaboration, Leadership & Best PracticesExperience working in a collaborative team setting, including sharing knowledge or mentoring othersAbility to contribute to high‑quality, reliable project outcomesUnderstanding of data governance, privacy, and security principlesHow we support diversity, inclusion and accessibility We are building an inclusive workforce that reflects the communities we serve. We encourage everyone interested in working with us to apply, including people with disabilities, Indigenous, Black and racialized individuals, as well as people from all ethnicities, cultures, sexual orientations, gender identities and gender expressions.Our hiring process is accessible, consistent with Ontario's Human Rights Code and the Accessibility for Ontarians with Disabilities Act, 2005. We are working to prevent and remove barriers in our hiring processes and can offer accommodation to address specific needs related to Code‑protected grounds such as disability, family status and religion. For more information about accommodation during the hiring process please contact us.Learn more about the work the OPS is doing to create an inclusive, anti‑racist, accessible and diverse workplace:diversity, equity and inclusion initiativesaccessibilityAnti‑Racism Policy$1,628.82 - $2,104.14 Per week* *Indicates the salary listed as per the OPSEU Collective Agreement.#J-18808-Ljbffr

📌 Senior Data Science Developer - C$1,628.8 - C$2,104.1 A Week (St. Catharines)
🏢 Fonction publique de l'Ontario
📍 St. Catharines