Software Developer – Full Stack – Senior - RQ00798

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 professional 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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