Client: Ministry of Public and Business Service Delivery and Procurement

Work Location: Toronto, Ontario – Onsite

Estimated Start Date: September 21, 2026

Estimated End Date: October 1, 2027

Business Days: 283

Hours: 7.25 hours per day

Security Clearance: No Clearance Required

Extension: Probable after the initial mandate

Position Overview The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Software Developer with extensive experience designing, developing, testing, deploying, and supporting large-scale, multi-client web applications.

The successful candidate will have strong hands-on experience with Java, Oracle/SQL databases, REST APIs/RESTful Web Services, microservice architecture, Azure DevOps, security protocols, and enterprise application development.

Experience with Oracle E-Business Suite, PL/SQL, SQL, XML, Unix shell scripting, Oracle Data Integrator, and ADF will be highly valuable.

The role requires strong analytical and problem-solving abilities, excellent communication skills, and the ability to work effectively with both functional and technical teams in a large-scale environment.

Key Responsibilities

Software Development &

- Application Delivery

- Translate technical system specifications into working, tested applications.
- Develop detailed programming specifications.
- Write and/or generate application code.
- Compile data-driven programs and conduct unit testing.
- Design, develop, code, test, debug, document, deploy, and maintain applications.
- Apply appropriate object-oriented programming practices and design patterns.
- Participate throughout the Software Development Life Cycle (SDLC).
- Develop and maintain large-scale, multi-client web applications.
- Apply modern application design principles to improve extensibility, maintainability, and performance.

Technical Support &
- Troubleshooting

- Resolve and troubleshoot technical problems arising during the use and operation of software applications and packages.
- Provide technical assistance during implementation, conversion, migration, and deployment activities.
- Provide post-implementation technical support and resolve technical issues.
- Review, analyze, modify, test, and debug product installation scripts.
- Participate in application deployment and troubleshooting activities.

Architecture, APIs &
- Security

- Design and develop REST APIs and RESTful Web Services.
- Apply microservice architecture principles to enhance product extensibility and maintainability.
- Work with security gateways and protocols, including JWT, OAuth 2.0, and SSL Certificates.
- Work with middleware, gateways, communications protocols, and Internet-ready applications.
- Apply object-oriented coding practices, clean-code principles, refactoring techniques, and design patterns.

Database &
- Enterprise Application Development

- Work with relational and hierarchical database technologies.
- Develop and maintain applications using Oracle and/or SQL databases.
- Use query languages and information retrieval packages.




- Perform SQL tuning and work with partitioned tables.
- Support data warehouse and ETL methodologies.
- Work with Oracle E-Business Suite application customizations and extensions.
- Conduct impact assessments for Oracle E-Business application customizations and extensions.

Oracle E-Business Suite
- Provide robust technical and business knowledge across Oracle E-Business Suite modules, including:
- General Ledger (GL)
- Accounts Receivable (AR)
- Collections
- Accounts Payable (AP)
- Inventory (INV)
- Foundation (FND)

- Demonstrate knowledge of Oracle E-Business table structures related to GL, AR, Collections, AP, INV, and FND.
- Provide strong conversion experience, particularly with Accounts Receivable Collection modules.
- Work with Oracle PL/SQL, SQL, XML, Unix shell scripts, and Oracle Data Integrator (ODI).
- Apply knowledge of data warehouse, ETL methodologies, and OBIEE.
- Experience with Java and Oracle Application Development Framework (ADF) is considered a solid asset.

Collaboration &
- Stakeholder Engagement

- Collaborate effectively with IT professionals throughout the SDLC.
- Work closely with functional and technical teams.
- Elicit and document information from diverse business-area stakeholders and subject matter experts.
- Participate in design walkthrough sessions with project teams.
- Develop and present new ideas, approaches, and technical solutions.
- Contribute effectively as part of a large development team.
- Support quality assurance activities from a technical perspective.

Required Skills &

- Experience

Core Skills & Experience – 40%

- 10+ years of experience as a designer and developer of large-scale, multi-client web applications.
- 10+ years of hands-on Java development experience with Oracle or SQL databases.
- 5+ years of hands-on experience with REST APIs and RESTful Web Services.
- Knowledge and experience with microservice architecture and core architecture principles.
- Knowledge and experience developing Internet-ready applications.
- Knowledge and experience with Rapid Application Development (RAD) methodologies.
- Experience using Azure DevOps.

Technical Skills & Experience – 35%
- Knowledge of security gateways and protocols, including:
- JWT
- OAuth 2.0
- SSL Certificates

- Solid understanding of Agile methodologies.
- Strong object-oriented coding practices.
- Knowledge of design patterns, refactoring, and clean-code principles.
- Experience with relational and hierarchical database technologies.
- Experience using information retrieval packages and query languages.
- Experience with one or more communications protocols.
- Experience with middleware and gateways.




- Experience with application deployment and troubleshooting.

General Professional Skills
- Experience in programming and analysis and specialized software package support.
- Experience with structured methodologies for application design, development, implementation, and maintenance.
- Strong analytical, problem-solving, and decision-making skills.
- Excellent verbal and written communication skills.
- Strong interpersonal and negotiation skills.
- Ability to work effectively with technical and functional teams.
- Proven ability to meet deadlines.
- Ability to work under pressure and manage aggressive timelines.
- Adaptability to changing priorities and requirements.

Public Sector Experience – 5%
- Knowledge and experience with OPS Development Standards/Processes.

Desirable Skills &

- Experience

- Experience reviewing, analyzing, and modifying product installation scripts, including encoding, testing, and debugging.
- Knowledge and understanding of Information Management principles, concepts, policies, and practices.
- Experience providing post-implementation support.
- Experience conducting technical design walkthroughs.
- Knowledge and understanding of the Accessibility for Ontarians with Disabilities Act (AODA) and related regulations and standards.
- Ability to provide user and system documentation as required.
- Experience with Oracle E-Business Suite customizations and extensions.
- Experience with Oracle Data Integrator (ODI), OBIEE, and data warehouse/ETL environments.
- Experience with Java and Oracle ADF.

Soft Skills – 20%
- Strong written and verbal communication skills.
- Ability to develop and present new ideas and conceptualize innovative approaches and solutions.
- Excellent interpersonal skills and demonstrated ability to work effectively within teams.
- Demonstrated ability to collaborate with functional and technical teams.
- Ability to participate effectively in large-scale development teams.
- Proven analytical skills and systematic problem-solving abilities.
- Strong ability to work under pressure and meet aggressive timelines.
- Highly adaptable to changing business and technical requirements.
- Strong technical troubleshooting and problem-solving capabilities.

Candidate Submission Requirements Interested Candidates Must Submit The Following Mandatory Documents

- Updated Resume in Word format –
- Mandatory
- References –
- Mandatory
- Expected Hourly Rate –
- Mandatory
- Visa Status –
- Mandatory
- LinkedIn ID –
- Mandatory

Submission Deadline: Thursday, September 10, 2026, at 10:00 AM EST Submit to: [email protected] Important: Applications submitted without all mandatory documents cannot be processed or submitted.

If this opportunity is not the right fit for you, please feel free to forward it to qualified Senior Software Developers with 10+ years of Java and large-scale web application development experience, strong Oracle/SQL expertise, REST API experience, microservices knowledge, Azure DevOps experience, and preferably Oracle E-Business Suite experience.

📌 – Software Developer – Senior (Toronto)
🏢 S M Software Solutions
📍 Toronto