Pl sql developer Jobs in Old toronto, ON

RQ09467 - Software Developer - ETL - Senior

To respond to the priorities of the Government of Ontario through the passage of the Bill 5, Protect Ontario by Unleashing Our Economy Act 2025, the resource may be partially assigned to Bill 5 related projects or initiatives on an as needed basis.

Description :

Hybrid work : will work in office 3 days per week (40 St. Clair West, Toronto) and 2 days remotely.

A highly skilled and experienced ETL Developer to design, develop, and maintain robust data integration solutions. The ideal candidate will have deep expertise in Informatica PowerCenter v10.2 and Informatica Intelligent Data Management Cloud (IDMC), PL / SQL, and data warehousing, with a strong background in performance tuning, troubleshooting, and cloud migration. This role involves working closely with business analysts, developers, and stakeholders to ensure high-quality data delivery and system integration.

Key Responsibilities :

Contribute to and support design, development, and maintenance of ETL processes using Informatica Cloud (IDMC).

Migrate Informatica PowerCentre v10.2 ETL code including embedded SQL and PL / SQL code developed using Oracle 11g and 19c.

Test migrated embedded SQL code and PL / SQL based Stored Procedures.

Performance‑tune and optimize SQL queries and PL / SQL code for performance and scalability.

Conduct root cause analysis and resolve ETL issues, including performance tuning and recovery to achieve optimum baseline performance.

Perform data extraction, transformation, and loading (ETL) from various sources into data warehouses (star / snowflake schemas).

Translate technical specifications into fully tested applications and data pipelines.

Collaborate with vendor and entire project team for unit testing, debugging, and validation of ETL processes.

Document technical designs, deployment guides, and support materials.

Participate in Agile / Scrum development cycles and iterative delivery.

Ensure compliance with data governance, security, and access control policies.

Provide post‑implementation support and participate in knowledge transfer sessions.

Must Have :

10+ years of experience as a BI / ETL Developer.

10+ years of experience developing and performance tuning SQL, T‑SQL, PL / SQL and advanced SQL query optimization.

10+ years experience with Oracle tools : EXPLAIN PLAN, TKPROF, OEM, RMAN, etc.

5+ years Experience with relational database including Oracle 11g and 19c.

3+ years of hands‑on experience with Informatica PowerCenter v10.2 administration.

2+ years of experience with Informatica Cloud (IDMC) including PC to IDMC migration; asset management; and configuration of secure agents, schedules, orgs and sub‑Orgs, connections, users and roles.

Hands‑on Oracle 11g and 19c experience configuring, user roles set up, RMAN, data dumps, and Golden Gate synchronization.

Proficiency in data modeling (OLTP, OLAP, dimensional modeling).

Experience with REST / SOAP APIs, system integration, and cloud platforms (Azure, AWS, GCP).

Experience with data replication, data cleansing, and data quality assurance.

Excellent analytical, problem‑solving, and communication skills.

Strong understanding of Agile, SDLC, and DevOps practices.

Experience with Azure DevOps and version control systems.

Familiarity with OPS (Ontario Public Service) methodologies and enterprise architecture.

Experience in public sector projects, especially in environmental or inter‑jurisdictional data systems.

Understanding of Information Management principles and data governance.

Evaluation Criteria :

Design, develop, modify and enhance Oracle SQL and PL / SQL code for Oracle 11g and 19c.

Performance‑tune and optimize SQL queries and PL / SQL code for performance and scalability.

Conduct root cause analysis and resolve ETL issues, including performance tuning and recovery to achieve optimum baseline performance.

Design, develop and maintain ETLs using Informatica PowerCentre v10.2 and IDMC.

Administer Informatica PowerCentre and IDMC including asset management; and configuration of secure agents, schedules, orgs and sub‑Orgs, connections, users and roles.

Migration of Informatica assets from PowerCentre v10.2 to IDMC.

Problem‑Solving and Decision‑Making (20%)

Demonstrated analytical skills in identifying issues and developing effective solutions in a timely manner.

Proven track record of meeting project deadlines and managing deliverables within project constraints.

Familiarity with structured methodologies for software development and the ability to adapt to emerging technologies in GIS.

Demonstrated experience of Oracle 11g and 19c administration including Golden Gate synchronization.

Strong verbal and written communication skills for effectively engaging with technical and non‑technical stakeholders.

Proven ability to collaborate with both vendor and project cross‑functional teams throughout the project.

Proven experience of technical documentation and communication to stakeholders.

OPS Experience (5%)

Prior experience working with OPS as a senior ETL Developer.

Prior experience working with Public Sector as a senior ETL Developer.

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