Senior Software Engineer

Job summary

Design, develop, test, maintain, and troubleshoot Oracle SQL/PLSQL programs, Informatica ETL processes, data warehouses, and business intelligence reporting solutions. Collaborate with technical teams and business stakeholders throughout the SDLC, documenting solutions and supporting deployment and production issues.

Job details

Senior Software Developer – ETL Location: 400 University Ave, Toronto, ON M5G 1S5 Work Arrangement: 100% Onsite Assignment Type: Contract Start Date: October 5, 2026 End Date: March 31, 2027 Incorp Rate: $90-$96.38 Position Overview Our client is seeking a Senior Software Developer – ETL to support the design, development, testing, maintenance, and enhancement of data warehousing, ETL, business intelligence, reporting, and analytics solutions. The role requires strong hands-on experience with Oracle SQL/PL/SQL, Informatica, ETL, data warehousing, business intelligence, Crystal Reports, Power BI, and Business Objects Enterprise (BOE). The successful candidate will work closely with technical teams, business stakeholders, and subject matter experts throughout the Software Development Life Cycle (SDLC). Employment Ontario Information Systems (EOIS) Employment Ontario is a major program delivered by the Ontario Ministry of Training, Colleges and Universities. It helps Ontario residents access training, skills development, employment services, and other supports. The Employment Ontario Information Systems (EOIS) is the primary technology environment supporting these programs. EOIS includes application subsystems such as: CaMS – Case Management System Service Provider LifeCycle (SPL) EO Self Service (EOSS) APPR – Apprenticeship OJG – Ontario Job Grant APPR AOL – Apply Online Technology Environment The environment includes: Oracle Database Oracle SQL / PL/SQL Informatica ETL Crystal Reports Power BI Business Objects Enterprise (BOE) Web Intelligence (WebI) Business Objects Universe Dashboarding and reporting Bursting technologies JEE / Java enterprise technologies Data Warehouses and Data Marts Key Responsibilities Analyze, design, develop, unit test, debug, and maintain data warehousing and business intelligence solutions. Design, develop, and test Oracle SQL and PL/SQL programs and database components. Design, develop, test, and maintain Informatica mappings and ETL processes. Develop ETL processes to extract, transform, and load data from OLTP systems into data warehouses and data marts. Design and develop reporting and analytics solutions using Crystal Reports, Power BI, and BOE/WebI. Develop, maintain, troubleshoot, and enhance existing reports and reporting solutions. Support data warehouse architecture, dimensional modeling, development, testing, and deployment. Analyze and implement enhancements to existing web-based applications and data solutions. Perform defect investigation, troubleshooting, root-cause analysis, and resolution. Conduct unit testing and support system and integration testing as required. Participate in design reviews, technical walkthroughs, code reviews, and implementation activities. Document technical designs, code, data processes, reports, and system changes. Work collaboratively with developers, database specialists, BI professionals, business analysts, and subject matter experts. Participate throughout the Software Development Life Cycle (SDLC), including requirements analysis, design, development, testing, deployment, and maintenance. Communicate progress, issues, risks, and technical findings clearly and on a timely basis to project and management teams. Provide post-implementation support and resolve production or technical issues as required. Mandatory Qualifications The successful candidate must have: Data Warehousing and BI 5+ years of experience analyzing, designing, developing, unit testing, troubleshooting, and defect fixing within data warehousing and business intelligence environments. 5+ years of experience designing and developing: Crystal Reports Power BI reports and dashboards Business Objects Enterprise (BOE) reports 5+ years of experience designing, developing, and testing Oracle SQL and PL/SQL. 5+ years of experience designing, developing, and testing Informatica ETL solutions. Strong knowledge of ETL, data warehouse, data mart, reporting, and business intelligence concepts. Strong knowledge of data warehouse architecture, dimensional modeling, design, development, and deployment. Strong understanding of relational database management systems (RDBMS) and database design concepts. Software Development Experience working with technology solutions and software development methodologies. Experience analyzing and designing enhancements to existing web-based software applications. Strong understanding of the Software Development Life Cycle (SDLC), including Agile development methodologies. Experience with application design, development, testing, debugging, deployment, and troubleshooting. Experience working with structured software development methodologies. Experience with one or more programming languages and development tools. Database and Data Integration Experience working with relational and/or hierarchical database technologies. Experience using query languages and information retrieval technologies. Experience designing and implementing data extraction, transformation, and loading processes. Experience with database integration and data movement between operational and analytical environments. Business and Stakeholder Skills Experience gathering and documenting information from business stakeholders and subject matter experts. Strong analytical, problem-solving, and decision-making skills. Excellent verbal and written communication skills. Strong interpersonal and collaboration skills. Ability to work effectively with technical and business teams throughout the SDLC. Proven ability to manage priorities and consistently meet deadlines. General Technical Skills Experience programming and analyzing complex applications and specialized software solutions. Experience with object-oriented and/or third-generation programming languages. Experience designing, coding, testing, debugging, and documenting applications. Experience with application deployment and technical troubleshooting. Experience with communications protocols and system integration. Experience working with middleware, gateways, or related integration technologies is an asset. Experience developing Internet-enabled applications is an asset. Preferred / Desirable Qualifications Experience with Java/JEE or other enterprise application technologies. Experience with rapid application development (RAD) methodologies. Knowledge of Information Management principles, policies, concepts, and practices. Experience reviewing, analyzing, modifying, testing, and debugging software installation or deployment scripts. Experience providing post-implementation technical support and resolving production issues. Experience conducting technical design walkthroughs with project teams. Knowledge of Accessibility for Ontarians with Disabilities Act (AODA) requirements, regulations, and standards. Experience creating and maintaining technical, user, and system documentation. Experience working in large, complex enterprise or government technology environments.

What you’ll do

Design, develop, test, maintain, and troubleshoot Oracle SQL/PLSQL programs, Informatica ETL processes, data warehouses, and business intelligence reporting solutions. Collaborate with technical teams and business stakeholders throughout the SDLC, documenting solutions and supporting deployment and production issues.

Requirements

Requires at least five years of experience with data warehousing and BI, Crystal Reports, Power BI, BOE, Oracle SQL/PLSQL, and Informatica ETL. Candidates should also have strong SDLC, database design, dimensional modeling, analytical, communication, and collaboration skills.

Listed skills

• Technical Documentation · Preferred
• Power BI · Preferred
• Troubleshooting · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Oracle SQL
• PL/SQL
• Informatica ETL
• Data Warehousing
• Business Intelligence
• Crystal Reports
• Power BI
• Business Objects Enterprise
• Web Intelligence
• Dimensional Modeling
• Data Marts
• Software Development Life Cycle
• Agile Methodologies
• Database Design
• Troubleshooting
• Technical Documentation

Job areas

• Technology
• Software
• Data & Analytics
• Government & Public Sector