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Added 4 mins ago
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Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Experience with cloud-based infrastructure and application deployment (Amazon Web Services, Google Cloud Platform, Azure, etc.).
Added 4 mins ago
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Delivery Manager – Personalization and Marketing (7 months contract)
Sobeys
Toronto, ON
- Contract
Added 4 mins ago
XS
Security Analyst / Engineer / Architect
XChange Software Inc
Mississauga, ON
- Contract
Primary focus: Secure software delivery, application risk reduction, and developer enablement.
Added 4 mins ago
QT
Développeur logiciel principal - rapports et analyses / Senior Software Developer - Reporting
Quantum Technology Recruiting Inc. (QTR)
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
- Expérience avec les outils et processus ETL/ELT (p. ex., SSIS, Azure Data Factory, scripts personnalisés)
Added 4 mins ago
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SR ACE Certified GW Integration Policy Center developer- Onsite role
Cognizant
Toronto, ON
- Full-time
Lead ACE Certified Guidewire Policy Center Integration Developer
Added 19 mins ago
PC
Business Analyst IT (Co-op)
Powerex Corp.
Vancouver, BC
- Full-time
- Temporary
Tools: Tableau, Datadog, Azure DevOps, SQL Server Management Studio, Snowflake, Claude AI, Microsoft Excel
Added 19 mins ago
CT
Manager, Analytics Engineering
Canadian Tire Corporation
Toronto, ON
- Full-time
…modernization of enterprise data platforms from Hadoop to Microsoft Azure. A core mandate is to build reusable, AI-enabled frameworks that make migration, data engineering, and workload…
Added 33 mins ago
EC
Dotnet Developer
Experis Canada
Montreal, QC
- Contract
Excellent knowledge of the Microsoft Azure ecosystem.
Added 33 mins ago
Senior Manager, Data Product Management
Scotiabank
Toronto, ON
Knowledge of modern data platforms and cloud environments (e.g., GCP, Azure, Databricks) is an asset
Added 33 mins ago
CO
Technology Service Desk Administrator
CPA Ontario
Canada
- Full-time
Exposure to ITIL, Microsoft Azure, Intune administration, PowerShell scripting, cybersecurity, identity and access management, workplace technology deployments, audio-visual and meeting…
Added 48 mins ago
RD
Vb.net Developer
Randstad Digital
Toronto, ON
- Contract
We are seeking an experienced VB.NET Developer for a 6-month contract role in Toronto, ON. In this role, you will be responsible for maintaining, enhancing, and optimizing mission-critical…
Added 48 mins ago
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Business Systems Developer
Grantek
Burlington, ON
- Full-time
Grantek is looking for a Business Systems Developer to design, build, and maintain the internal applications, integrations, and automation workflows that support our global operations. This…
Added 1 hour ago
SI
AI Engineer
Supra ITS
Mississauga, ON
- Full-time
LiteLLM, Azure OpenAI / Anthropic, gateway or router experience
Added 1 hour ago
TI
Senior API Developer
Teckhorizon Inc
Toronto, ON
- Contract
The client is seeking an experienced Senior Software Developer API to design, develop, implement, and maintain enterprise-level APIs, web applications, and system integrations. The ideal…
Added 1 hour ago
SL
Python (API & Platform Engineering)
Staffingine LLC
Toronto, ON
- Contract
Experience with cloud platforms (AWS, Azure, or GCP)
Added 1 hour ago
SL
Python Developer
Staffingine LLC
Toronto, ON
- Full-time
Experience with cloud platforms (AWS, Azure, or GCP)
Added 1 hour ago
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Lead Data Scientist / VP
Citi
Mississauga, ON
- Full-time
Experience integrating foundation models through enterprise AI platforms such as Google Cloud and Vertex AI, Microsoft Azure, or AWS.
Added 1 hour ago
C
Lead Data Scientist / VP
Citi
Mississauga, ON
- Full-time
Experience integrating foundation models through enterprise AI platforms such as Google Cloud and Vertex AI, Microsoft Azure, or AWS.
Added 1 hour ago
C
Lead Data Scientist / VP
Citi
Mississauga, ON
- Full-time
Experience integrating foundation models through enterprise AI platforms such as Google Cloud and Vertex AI, Microsoft Azure, or AWS.
Added 1 hour ago
Manager, Application Security
The Canada Life Assurance Company
Toronto, ON
Familiarity with cloud security (AWS, Azure, GCP).
Added 1 hour ago
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SQL Database Administrator
CloudVital
Calgary, AB
- Full-time
Added 1 hour ago
AP
Test Analyst
Aulton Pharmaceuticals
Canada
- Full-time
Familiarity with manual testing techniques and defect tracking tools (e.g., JIRA, Azure DevOps, Bugzilla).
Added 1 hour ago
ES
Senior / Lead Azure Data Engineer
Enterprise Solutions Inc.
Toronto, ON
- Contract
We are seeking an experienced Senior / Lead Azure Data Engineer with strong expertise in Microsoft Azure, Azure Data Factory, Azure Databricks, PySpark, and Azure Synapse Analytics. The…
Added 1 hour ago
IG
Software Engineer
IMCS Group
Quebec, QC
- Contract
We are seeking an experienced Angular Developer with 8–10 years of overall IT experience and strong expertise in developing responsive, scalable, and high-performance web applications using…
Added 1 hour ago
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Salesforce DevOps Lead || Fulltime || Toronto, ON
AceStack
Toronto, ON
- Full-time
Experience building and managing CI/CD pipelines using Azure DevOps, GitHub Actions, Jenkins, or GitLab CI/CD.

Teckhorizon Inc

Senior API Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Experience: 10+ years of experience designing and developing large-scale enterprise web applications.
Posting language: English
Posted: Oct 30, 2026

Original job description

The client is seeking an experienced Senior Software Developer API to design, develop, implement, and maintain enterprise-level APIs, web applications, and system integrations. The ideal candidate will have extensive experience in Java development, RESTful APIs, enterprise integration platforms, API security, and relational databases, with the ability to deliver scalable, secure, and high-performing solutions in complex enterprise environments. The successful candidate will collaborate with cross-functional teams to develop technical specifications, implement integrations, troubleshoot application issues, and support the full software development lifecycle.

Key Responsibilities

Design, develop, implement, and maintain RESTful APIs and enterprise integration solutions.
Translate technical system specifications into functional, tested applications.
Develop programming specifications, write code, and conduct unit testing.
Design and implement APIs using enterprise API management platforms such as IBM API Connect, MuleSoft, Apigee, and Azure API Management.
Integrate APIs with enterprise applications, databases, CRM systems, ERP platforms, and case management solutions.
Convert web services between SOAP and REST architectures when required.
Develop and maintain API documentation using OpenAPI (Swagger), YAML, and related standards.
Implement API authentication and authorization mechanisms using OAuth 2.0, JWT, API keys, and TLS.
Configure API gateway policies, including rate limiting, throttling, caching, logging, and request/response transformation.

Must-Have Skills

10+ years of experience designing and developing large-scale enterprise web applications.
10+ years of hands-on Java development with Oracle or SQL databases.
5+ years of REST API and RESTful Web Services development.
Strong experience with API security: OAuth 2.0, JWT, SSL/TLS certificates, and API gateways.
Hands-on experience with enterprise API integration and management platforms such as IBM API Connect, IBM ACE, MuleSoft, or Azure APIM.
Strong understanding of microservices, RESTful architecture, and enterprise integration patterns.
Solid experience with Agile methodologies and SDLC.

Nice-to-Have Skills

Experience integrating with SharePoint, Microsoft Dynamics CRM, Siebel, or Curam.
Knowledge of Apigee, Swagger/OpenAPI, and YAML.
Experience with CI/CD pipelines, DevOps, and cloud platforms.
Familiarity with Docker and Kubernetes.
Experience with event-driven architecture, messaging queues, and middleware/ESB.
Previous experience with Ontario Public Service (OPS) projects.
Knowledge of AODA accessibility and OPS cybersecurity standards.

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More about this job

Responsibilities

Design, develop, test, and maintain enterprise REST APIs, web applications, and integrations with business applications, databases, CRM, ERP, and case management systems. Implement API security and gateway policies, maintain API documentation, troubleshoot issues, and contribute across the software development lifecycle.

Requirements

Requires 10+ years of enterprise web application and Java development, including Oracle or SQL databases, and at least five years of REST API development. Candidates should have strong API security and enterprise API management experience, knowledge of microservices and integration patterns, and experience with Agile and the SDLC.

Skills

Java
RESTful APIs
Enterprise Integration
API Security
Oracle
SQL
OAuth 2.0
JWT
SSL/TLS
API Gateways
IBM API Connect
IBM ACE
MuleSoft
Azure API Management
Microservices
Agile

Visa sponsorship

Not detected in the job text

Keywords

Java
RESTful APIs
RESTful Web Services
Enterprise Web Applications
Enterprise Integration
IBM API Connect
IBM ACE
MuleSoft
Apigee
Azure API Management
Oracle
SQL Databases
OAuth 2.0
JWT
SSL/TLS
API Gateways
Microservices
SOAP
OpenAPI
Swagger
YAML
API Documentation
CI/CD
DevOps
Cloud Platforms
Docker
Kubernetes
Event-Driven Architecture
Agile

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