Senior Software Developer - API in Toronto

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

Skills Experience 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), Mule Soft, 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 Share Point, 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, Dev Ops, 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 Open API (Swagger) specifications and API documentation standards
• Hands‑on experience with middleware, ESB, and enterprise integration patterns
• Proven ability to integrate APIs with Share Point 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), Mule Soft, or Azure API Management (APIM)

• Strong understanding of RESTful API design, event‑driven architecture, and microservices
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