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Added 1 day ago
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SENIOR .NET DEVELOPMENT, MAINTENANCE & SUPPORT SPECIALIST
AGSL Technology Consulting
Regina, SK
- Full-time
Afroxchange Global Services Ltd. (AGSL Technology Consulting) is seeking an experienced Senior .NET Development, Maintenance & Support Specialist to support enterprise applications and…
Added 1 day ago
SM
RQ11874 – Specialized IT Consultant – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 1 day ago
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RQ11860 – Database Administrator – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
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Senior Azure DevOps Engineer
Teqfocus
Toronto, ON
- Contract
We are looking for an experienced Senior Azure DevOps & Infrastructure Engineer with strong expertise in CI/CD pipeline development, Microsoft Azure cloud infrastructure, Infrastructure as…
Added 2 days ago
TC
Senior AI Solutions Lead Resource
ThirdEye CyberSecurity
Regina, SK
- Contract
Must have a minimum of five (5) years experience delivering software solutions; · Must have a minimum of two (2) years experience developing AI solutions;
Added 2 days ago
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Senior Architect
Hirematic Talent Solutions
ON
- Full-time
Experience Cloud (Azure or AWS), Cyber Security, Enterprise and Solution Architecture, Java, Microsoft .Net.
Added 2 days ago
SM
RQ11860 – Database Administrator – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 2 days ago
SM
RQ11874 – Specialized IT Consultant – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 2 days ago
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Software Engineer - SQL / C#
Amaris Consulting | Part of Mantu
Toronto, ON
- Full-time
Focus: SQL, C# and .NET application development
Added 2 days ago
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Senior .NET API Developer
Cognizant
Halifax, NS
- $61,500 to $104,500 CAD / year
- Full-time
Senior .NET API Developer (Payments & Microservices)
Added 2 days ago
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Senior Developer – C#, .NET Core & Snowflake // Toronto, ON (Onsite) - FTE
AceStack
Toronto, ON
- Full-time
We are looking for an experienced Senior Developer with strong expertise in C#, .NET Core (6.0+), and Snowflake to join our development team in Toronto. The ideal candidate will be…
Added 2 days ago
AI
Senior Full-Stack .NET Developer & Production Support
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Regina, SK
- Full-time
Microsoft Azure Administration, including Azure DevOps and CI/CD.
Added 2 days ago
AI
Senior Enterprise AI Solutions Lead
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Regina, SK
- Full-time
Our AI delivery environment includes Azure Foundry and related Azure services, ChatGPT Enterprise, Microsoft Copilot, Databricks, .NET, and Python. Solutions may use existing enterprise…
Added 2 days ago
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RQ11847 - Technology Architect - Senior
Maarut
Toronto, ON
- Contract
Cloud (Azure or AWS), Cyber Security, Enterprise and Solution
Added 2 days ago
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RQ11874 - Specialized IT Consultant - Senior
Maarut
Toronto, ON
- Contract
Working knowledge of .NET, sufficient to integrate a Java
Added 2 days ago
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Senior Database Administrator
BuzzClan
ON · Ontario, Canada
- Contract
Position Title – RQ11860 - Senior Database Administrator
Added 2 days ago
VS
Senior Technology Architect
vTech Solution Canada
Toronto, ON
- Contract
Experience Cloud (Azure or AWS), Cyber Security, Enterprise and Solution Architecture, Java, Microsoft .Net,
Added 2 days ago
SG
Senior Developer
Societe Generale
Montreal, QC
- Full-time
Experience working as a senior hands-on developer, contributing to system design, code reviews, and technical decision-making.
Added 2 days ago
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Technology Architect - Senior (onPrem and Cloud Connections using Mulesoft exp)
Bevertec
Toronto, ON
- Contract
Experience Cloud (Azure or AWS), Cyber Security, Enterprise and Solution Architecture, Java, Microsoft .Net,
Added 2 days ago
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NEG00009SE - Senior AI Solutions Lead
Amyantek
Regina, SK
- Contract
The proposed Senior Resource candidate must have the following skills listed below to be considered: · Must have a minimum of five (5) years experience delivering software solutions;
Added 2 days ago
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Mobile Application Developer
Symbiotic Digital
Toronto, ON · Willowdale East (Newtonbrook), Ontario
- Contract
We are seeking a Senior Software Developer/Mobile
Added 2 days ago
BI
Senior Dotnet Developer
Bull Information Technology and Services
Toronto, ON
- Full-time
Hands-on experience with .NET and .NET Core 6.0+.
Added 2 days ago
Marketing Engineer
Questrade Financial Group
Toronto, ON
Work-life balance in a hybrid environment with at least 3 days in office
Added 2 days ago
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Senior AI Solutions Lead
TEEMA
Regina, SK
- Contract
The proposed Senior Resource candidate must have the following skills listed below to be considered: · Must have a minimum of five (5) years experience delivering software solutions;
Added 2 days ago
IF
Senior Software Designer
iA Financial Group
Montreal, QC · Quebec, QC
- Full-time
Has strong knowledge of or relevant experience with .NET 10, SQL Server, Kafka, Kubernetes and Microsoft Azure, as well as Azure DevOps, Visual Studio, Visual Studio Code, GitHub Copilot,…

Cognizant

Senior .NET API Developer

Halifax, NS, Canada

$61,500 to $104,500 CAD / year · Full-time

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Job details

Pay: $61,500 to $104,500 CAD / year
Job type: Full-time
Apply by: Dec 10, 2026
Experience: 8+ years of experience developing enterprise applications using C#, .NET/.NET Core, ASP.NET Core Web API, and ASP.NET MVC Core.
Posting language: English
Posted: Nov 10, 2026

Original job description

Senior .NET API Developer (Payments & Microservices)

About The Role

As a Senior .NET API Developer, you will make an impact by designing, developing, and supporting scalable, secure, and high-performance APIs and microservices that power critical payment and financial services applications. You will work closely with cross-functional teams to deliver enterprise-grade solutions using modern .NET technologies while contributing to architecture, API governance, and Agile delivery practices.

In This Role, You Will

Design and develop scalable, secure, and high-performance RESTful Web APIs and microservices using C#, .NET/.NET Core, ASP.NET Core Web API, and ASP.NET MVC Core following API-first design principles and industry best practices.
Own the end-to-end API lifecycle including API design, development, integration, testing, deployment, versioning, maintenance, and production support.
Design and implement authentication and authorization solutions using OAuth 2.0, OpenID Connect (OIDC), JWT bearer tokens, claims-based authorization, RBAC, and enterprise identity providers such as Microsoft Entra ID.
Develop and maintain microservices-based applications with a focus on resiliency, security, performance, observability, and scalability.
Implement API management capabilities using Apigee, including gateway integration, traffic management, security policies, and API governance.
Design, develop, and optimize database solutions, SQL queries, and stored procedures to support high-volume transactional systems.
Participating in Agile ceremonies including sprint planning, backlog refinement, design reviews, code reviews, and retrospectives.
Utilize Azure DevOps and Jira for source control, CI/CD, work item management, and release planning.
Collaborate with architects, product owners, and business stakeholders to deliver innovative and reliable solutions supporting cards and payments platforms.

Required Qualifications

8+ years of experience developing enterprise applications using C#, .NET/.NET Core, ASP.NET Core Web API, and ASP.NET MVC Core.
Strong expertise in REST API development, API-first design methodologies, and microservices architecture.
Hands-on experience with API management platforms, preferably Apigee.
Experience implementing secure authentication and authorization using OAuth 2.0, OpenID Connect, JWT, and enterprise identity management solutions.
Strong SQL and relational database experience, including data modeling, query optimization, and stored procedure development.
Experience working in Agile/Scrum environments utilizing Azure DevOps and Jira.
Proven experience developing solutions within the cards and payments domain.

Preferred Qualifications

Experience designing distributed systems and cloud-native applications.
Knowledge of payment card processing, authorization, settlement, dispute, and chargeback workflows.
Experience implementing CI/CD pipelines and DevOps best practices.
Experience mentoring developers and contributing to architecture and technical design decisions.
Experience working within highly regulated financial services environments.

Work Model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring associates to work onsite 2-3 days per week in Halifax, Nova Scotia (NS). The remaining days may be worked remotely, subject to project, client, and business requirements.

Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs. The working arrangements for this role are accurate as of the date of posting and may change based on project, client, and business needs. Rest assured, we will always be clear about role expectations.

Salary And Other Compensation

The annual salary for this position is CAD $61,500 - $104,500, depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.

The salary range identified above is intended to provide potential candidates with a general understanding of the compensation associated with the position. Final compensation decisions are based on a variety of factors including experience, qualifications, skills, education, and geographic location.

Benefits

Cognizant offers a comprehensive and competitive benefits package designed to support the health, wellbeing, and financial security of our associates, including:

Comprehensive Medical, Dental, and Vision Coverage
Life Insurance and Disability Coverage
Employee Assistance Program (EAP)
Registered Retirement Savings Plan (RRSP) and applicable company programs
Paid Vacation and Personal Days
Paid Statutory Holidays
Employee Wellness Programs
Employee Resource Groups and Inclusion Networks
Learning and Development Programs
Certification and Professional Development Support
Employee Referral Program

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More about this job

Responsibilities

Design, develop, and support secure, scalable, high-performance APIs and microservices for payment and financial services applications, owning their lifecycle from design through production support. Implement API management, identity and access controls, and database solutions while collaborating with cross-functional teams and contributing to Agile delivery and architecture decisions.

Requirements

Requires 8+ years of enterprise application development experience with C#, .NET, ASP.NET Core Web API, and ASP.NET MVC Core, plus strong expertise in REST APIs, API-first design, microservices, API management, authentication, and SQL databases. Candidates must have experience in cards and payments and Agile/Scrum delivery using Azure DevOps and Jira; distributed systems, cloud-native applications, CI/CD, mentoring, and regulated financial services experience are preferred.

Skills

C#
.NET
ASP.NET Core Web API
ASP.NET MVC Core
REST API Development
Microservices Architecture
Apigee
OAuth 2.0
OpenID Connect
JWT
Microsoft Entra ID
SQL
API Governance
Azure DevOps
Jira
Payment Systems

Benefits

Medical, Dental, and Vision Coverage
Life Insurance
Disability Coverage
Employee Assistance Program
Paid Vacation and Personal Days
Paid Statutory Holidays
Employee Wellness Programs
Employee Resource Groups and Inclusion Networks
Learning and Development Programs
Certification and Professional Development Support
Employee Referral Program
Discretionary Annual Incentive Program

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
.NET Core
ASP.NET Core Web API
ASP.NET MVC Core
RESTful Web APIs
API-First Design
Microservices
Apigee
OAuth 2.0
OpenID Connect
JWT Bearer Tokens
Microsoft Entra ID
SQL
Relational Databases
Stored Procedures
Cards and Payments
Payment Card Processing
Authorization
Settlement
Disputes
Chargebacks
Azure DevOps
Jira
Agile
CI/CD
DevOps
Distributed Systems
Cloud-Native Applications
API Governance

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Jobs in Canada