Hours: 7.25 hours per day (5 Days) Dead-letter queues (DLQ) Client:

Supply Ontario - RQ00798 We are seeking a

Senior Full Stack Software Developer

with extensive experience in enterprise integration, API development, MuleSoft, Apache Camel, Enterprise Java, REST APIs, cloud and containerized platforms, SQL, DevOps, and enterprise application integration. The successful candidate will be responsible for designing, developing, testing, implementing, and supporting scalable enterprise information structures and integration solutions while working collaboratively with business and technical teams. Role Overview

Job Title: RQ00798 – Software Developer – Full Stack – Senior Client: Supply Ontario Location: Metro Hall, 55 John Street, Toronto, Ontario, Canada Start Date: October 19, 2026 End Date: April 16, 2027 Business Days: 130.00 Work Arrangement: Hybrid Hours: 7.25 hours per day (5 Days) Must Have

Advanced experience with Apache Camel, MuleSoft, Enterprise Java, REST APIs, and data transformation technologies (JSON/XML). Experience designing, developing, and supporting MuleSoft integration flows, APIs, and reusable integration services in enterprise environments is strongly preferred. Cloud & Platforms

Expertise in OpenShift/Kubernetes for containerized deployments. Experience with AWS services (Lambda, SQS, S3) is an asset. Education & Foundation

Degree in Computer Science, Engineering, or a related discipline with experience delivering large-scale enterprise IT solutions. Ecosystem Knowledge

Experience integrating enterprise applications, including: CRM ERP Asset management Training management Document management Regulatory/compliance systems Data & Reliability





Strong SQL skills and knowledge of fault-tolerant integration patterns, including: Retries Dead-letter queues (DLQ) Monitoring Data consistency approaches Modern DevOps

Proficiency with: CI/CD pipelines DevOps practices Source control Automated testing Infrastructure-as-code Architecture & Design

Ability to design complex integration solutions, map data flows, and produce clear architectural and technical documentation. Experience applying integration patterns and API-led connectivity principles in MuleSoft-based architectures is an asset. Business Translation

Strong stakeholder engagement skills with the ability to translate business requirements into technical integration specifications. Collaborative Leadership

Ability to work across multiple teams, facilitate technical discussions, and resolve data ownership, governance, and integration challenges. Assignment Duties

Collaborates with business and technical inter‑divisional staff and qualified services to deliver and sustain API development and integration solutions through the life cycle and reports progress to manager, stakeholders and team members and ensures successful delivery of solutions adhering to project management methodology. Determines requirements, analyses and recommends feasible options, designs, builds and/or codes, acquires, tests,



and implements enterprise information structures and applications, to meet critical City‑wide and divisional business objectives and to provide a scalable enterprise solution. Applies technical expertise to recommend, develop and maintain corporate policies, procedures and standards that are consistent with legislation to ensure enterprise information and applications integrity. Applies technical expertise to ensure security, privacy and quality assurance requirements are implemented in a manner that delivers business requirements and is consistent with MFIPPA and legislation, thereby ensuring the integrity of complex enterprise information and applications. Develops and/or applies complex business and application models, information structures, data models, data schemas, technical program code, network and security interfaces, data and application design as governed by architectural frameworks, technology standards, information policies and legislative requirements. Deliverables

Prepare requirements specification, technical documentation, including: System architecture Design documents Technology stack descriptions User documentation Prepare: Database schema Entity‑relationship diagrams Data flow diagrams Prepare: Test plans Test cases Scenarios Results documents Track problems, defects, and issues within a large project. Assure the quality of integration delivered by the team. Additional Terms

Anticipated Duration: 6 months Duration of Potential Extension: 6 months Location: Up to 3 days onsite (subject to HM’s discretion) Public Sector Experience: Preferred

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