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Added 2 days ago
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Développeur(euse) logiciel sénior / Senior Software Developer - Clear ID
Genetec
Montreal, QC
- Full-time
Intégration et déploiement continu (CI/CD) utilisant Azure DevOps
Added 2 days ago
KR
AI Architect
KTek Resourcing
Toronto, ON
- Contract
Backend / Data: SQL Server, Azure Cosmos DB, Data Platforms, Databases, Data Storage & Retrieval Services
Added 2 days ago
CL
Senior Backend Developer- .NET
Charger Logistics Inc.
Brampton, ON
- Full-time
We are seeking a skilled and performance-minded .Net Core Developer to support and evolve our distributed system of over 100 microservices, built primarily with .NET Core and PostgreSQL.…
Added 2 days ago
Reliability Engineering
Natus
Oakville, ON
Added 2 days ago
IF
Salesforce Solution Architect
iA Financial Group
Vancouver, BC · Toronto, ON · Montreal, QC · Quebec, QC
- $120,000 CAD / year
- Full-time
Design and evolve solutions across system, technology and organizational dimensions, including integration, development, security, performance, availability, cloud computing and mobility.
Added 2 days ago
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Product Manager - SOTI MobiControl
SOTI
Mississauga, ON
- $110,000 to $130,000 CAD / year
- Full-time
Working knowledge of REST APIs, databases, cloud platforms (Azure, AWS) and integration patterns.
Added 2 days ago
T
Software Engineer II
TD
Toronto, ON
- Full-time
The ideal candidate has deep technical expertise, a collaborative spirit, and experience working with Azure/multi-cloud environments.
Added 2 days ago
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Spécialiste en tests de logiciels / Software Test Specialist
Genetec
Sherbrooke, QC
- Full-time
…pourraient avoir de l'impact en production dans un environnement d'intégration et de déploiement continu…
Added 2 days ago
M
RQ00826 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
…Interface (GUI) environments, including the execution of systems integration tests, specialized tests, and user acceptance testing (e.g., stress…
Added 2 days ago
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RQ11528 - Software Developer - API - Senior
Maarut
Toronto, ON
- Contract
understanding of system integration, test planning, scripting, and troubleshooting
Added 2 days ago
M
RQ11527 - Middleware Specialist - Senior
Maarut
Toronto, ON
- Contract
WebSphere, MuleSoft, Azure Integration Services, or similar ESBs
Added 2 days ago
C
Associate Business Systems Analyst
Co-operators
Calgary, AB · Guelph, ON · Regina, SK
- Full-time
Having exposure to RPA or automation technologies, Informatica or other ETL/data integration tools, APIs, JSON, Postman, Power BI, or scripting languages such as Python or PowerShell is an…
Added 2 days ago
T
Technology Manager
Takeaway
ON
- Full-time
Amazon Web Services (or similar e.g. Azure, Google Cloud)
Added 2 days ago
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Lead UX Developer (React)
OpenText
Waterloo, ON
- Full-time
…collaboration are key components of our corporate culture. As a Lead UX Developer on the Viewing and Transformation Development team, you will independently design, build, and constantly…
Added 2 days ago
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Application Developer
Sobeys
Dartmouth, NS
- Full-time
…have a Full-Time opportunity for a Salesforce Marketing Cloud Developer. This role can be based out of one our main offices including: Mississauga, ON; Stellarton, Dartmouth, Halifax…
Added 2 days ago
G
Développeur(euse) Logiciel / Software Developer - C#/.NET/Web
Genetec
Montreal, QC
- Full-time
Expérience avec Azure DevOps et les processus d'intégration et de déploiement continus (CI/CD)
Added 2 days ago
Senior Technical Specialist
Insurance Corporation of British Columbia
North Vancouver, BC
…services and controls across Amazon Web Services (AWS), Microsoft Azure, and hybrid environments. You will serve as a cloud security subject matter expert, guide technical teams, and help…
Added 2 days ago
GS
Business Systems Developer
Grantek Systems Integration
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 2 days ago
DT
AI Architect
Derex Technologies Inc
Toronto, ON
- Full-time
Design and architect enterprise-wide capabilities leveraging AI coding assistants, copilots, and developer productivity tools (e.g., GitHub Copilot, Azure AI Studio assistants).
Added 2 days ago
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Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
…candidate will also contribute, when needed, to the development, integration, and evaluation of AI and machine-learning…
Added 2 days ago
C
SR ACE Certified GW Integration Policy Center developer- Onsite role
Cognizant
Toronto, ON
- Full-time
Lead ACE Certified Guidewire Policy Center Integration Developer
Added 2 days 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 2 days ago
G
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 2 days 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 2 days 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.

Maarut

RQ11528 - Software Developer - API - Senior

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 30, 2026

Original job description

Responsibilities

Required to translate technical systems specifications into working, tested applications. This includes: o developing detailed programming specifications o writing and/or generating code o compiling data-driven programs, maintaining, and conducting unit tests. o Analyzes, designs, develops, codes and implements programs in one or more programming languages, for Web and Rich Internet Applications o Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting o Designs and develops REST API platform (e.g., with using Apigee/APIM) o 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 migrations.

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 API Skills
Experience with Web Technologies (DHTML, AJAX, etc.)
Experience with Security frameworks (e.g., JWT, OATH2)
Experience in API layer like security, custom analytics, throttling, caching, logging, monetization, request and response modifications etc. using Apigee
Experience in creating REST API documentation using Swagger and YAML or similar tools desirable
Experience with Integration frameworks (e.g., Mule, Camel) desirable

Desirable Skills

Knowledge and experience with programming Internet-ready applications
Knowledge and experience in rapid application development (RAD) methodologies
Knowledge and understanding of Information Management principles, concepts, policies and practices
Experience with middleware and gateways
Experience reviewing, analyzing, and modifying product installation scripts including encoding, testing, debugging
Ability to provide post-implementation support and resolve any post-implementation technical issues
Experience conducting design walkthrough sessions with project team
Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards
Ability to provide user and system documentation as required

Requirements

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

Must Have:

10+ years of experience as a designer and developer in the large-scale multi-client web applications
10+ year of hands-on working experience of Java development with Oracle or SQL database
5+ years of hands-on experience of RestAPI, RESTful WebServices
Knowledge of security gateways and protocols (JWT, Oauth2.0, SSL Certificates)
Solid Understanding of Agile methodologies

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More about this job

Responsibilities

The developer will translate technical specifications into working applications by designing, coding, and implementing REST API platforms. They are also responsible for troubleshooting technical issues and supporting system integration throughout the software development life cycle.

Requirements

Candidates must have over 10 years of experience in large-scale web application design and Java development with Oracle or SQL databases. Proficiency in RESTful APIs, security protocols like OAuth2/JWT, and Agile methodologies is mandatory.

Skills

Java
Rest API
Apigee
Swagger
Yaml
Sql
Oracle
Jwt
Oauth2
Microservices
Agile
Docker
Kubernetes
Soap
Integration design
Api lifecycle management

Visa sponsorship

Not detected in the job text

Keywords

Software Developer
API
Java
Restful Web Services
Apigee
Swagger
Yaml
Oracle
Sql
Jwt
Oauth2
Microservices
Agile
Docker
Kubernetes
Soap
Integration
Middleware
Devops
Ci/Cd
Sharepoint
Dynamics Crm
Siebel
Curam
Enterprise Architecture
Api Gateway
Aoda
System Integration
Technical Troubleshooting

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