API Integration Specialist

Cleo Consulting; Ontario; Hybrid; CAD 90,000 - 130,000; Full time

Job summary

A leading consulting firm is seeking an API Integration Specialist with robust experience in API integration and development. This role involves designing API solutions and collaborating with various IT professionals to implement effective systems. Candidates should possess a strong understanding of RESTful API design and hands-on experience with tools like MuleSoft and Azure API Management, as well as excellent communication skills for both technical and non-technical audiences.

Qualifications

• 5+ years of hands-on experience with API development.
• Strong knowledge of RESTful API design and microservices.
• Excellent written and verbal communication skills.

Responsibilities

• Translate technical specifications into working code.
• Develop detailed programming specifications and write code.
• Design and develop REST API platforms.

Skills

API integration

RESTful API design

Problem-solving

Communication skills

Team collaboration

Tools

IBM API Connect

MuleSoft

Azure API Management (APIM)

Docker

Kubernetes

Job description

Assignment: RQ09373 - Software Developer - API - Senior Job Title: API Integration Specialist Requisition (SS): RQ09373 Start Date: 2025-07-07 Client: Government Services Integration Cluster End Date: 2026-03-31 Office Location: 222 Jarvis St., Toronto Organization: Government Services Integration Cluster Ministry: Ministry of Public and Business Service Delivery and Procurement # Business Days: 210.00 Hybrid: 3 Days onsite / 2 days remote

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

Description

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 patters, 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

Experience and Skill Set Requirements

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

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

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

Public sector Experience (5%)

• Experience with OPS IT project and architectural governance
• Knowledge of OPS Digital , accessibility, and cybersecurity standards