RQ09373 - Software Developer - API - Senior About the job RQ09373 - Software Developer - API - Senior Responsibilities
Required to translate technical systems specifications into working, tested. This includes: developing detailed programming specifications
writing and/or generating code
compiling data-driven programs, maintaining, and conducting unit
Analyzes, designs, develops, codes and implements programs in one or more programming languages, for Web and Rich Internet Applications
Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting
Designs and develops REST API platform (e.g., with using Apigee/APIM)
Converts web services from SOAP to REST or vice-versa

Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion and migration.
General Skills
Experience in programming and analysis; specialized software package support at the specified experience level
Ability to collaborate with IT Professionals throughout the Software Development Life Cycle
Experience in structured methodologies for the development, design, implementation and maintenance of applications
Experience in design, code, test, debug and document applications
Experience in the use of object and/or third generation language development tools
Experience in one or more programming languages
Experience in application design, latest design patterns, deployment and troubleshooting
Experience with relational and hierarchical database technologies
Experience in the use of information retrieval packages using query languages
Experience with one or more communications protocols
Experience in structured methodologies for the design, development, implementation and maintenance of applications




Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts
Excellent analytical, problem-solving and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills
A team player with a track record for meeting deadlines
SkillsExperience and Skill Set Requirements
1. Core Skills and Experience (40%)
5+ years of hands‑on experience in API development, integration design, and implementation in complex enterprise environments
Proven experience delivering solutions using platforms such as IBM API Connect, IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management (APIM)
Strong understanding of RESTful API design, event‑driven architecture, and microservices
Demonstrated ability to integrate with enterprise platforms such as Microsoft SharePoint, Microsoft Dynamics CRM, Siebel, and Curam
Experience with integration between APIs and enterprise systems (e.g., databases, CRMs, ERPs)
Demonstrated experience with API lifecycle management, including versioning, testing, deployment, and monitoring
Familiarity with cloud platforms, DevOps, and CI/CD practices for API deployment
2. Technical Skills and Experience (35%)
Solid knowledge of API security best practices, including OAuth 2.0, JWT, API keys, and TLS
Experience implementing API gateway policies (rate limiting, throttling, transformation, logging)
Strong knowledge of integration patterns, such as synchronous/asynchronous messaging, pub/sub,



and message queues
Deep understanding of OpenAPI (Swagger) specifications and API documentation standards
Hands‑on experience with middleware, ESB, and enterprise integration patterns
Proven ability to integrate APIs with SharePoint document libraries and workflows, CRM systems, and case management platforms
Familiarity with containerization technologies (e.g., Docker) and orchestration tools (e.g., Kubernetes) is an asset
Proficient with monitoring and troubleshooting tools for APIs and integrations
Ability to troubleshoot integration errors and performance issues across platforms
3. Communication and Documentation Skills (20%)
Excellent written and verbal communication skills for both technical and non‑technical audiences
Ability to document APIs, integration workflows, and technical specifications clearly and thoroughly
Experience collaborating with cross‑functional teams including business analysts, QA, developers, and product owners
Skilled in facilitating technical discussions and providing knowledge transfer to internal staff
Strong ability to present ideas, lead technical walkthroughs, and produce clear status updates
4. Public sector Experience (5%)
Experience with OPS IT project and architectural governance
Knowledge of OPS Digital, accessibility, and cybersecurity standards
Must Have:
Experience working with API integration
5+ years of hands‑on experience in API development, integration design, and implementation in complex enterprise environments
Proven experience delivering solutions using platforms such as IBM API Connect, IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management (APIM)
Robust understanding of RESTful API design, event‑driven architecture, and microservices

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📌 Software Developer - API - Senior (Ontario)
🏢 Rubicon Path
📍 Ontario