Posted 4 days ago
Senior .NET API Developer
@ Cognizant
Halifax, Nova Scotia
SIGNALS
Overview
Cognizant is hiring a Senior .NET API Developer to design, build and support scalable, secure APIs and microservices for payment and financial services applications. The role is hybrid, with 2-3 days onsite in Halifax, Nova Scotia, and offers a salary of CAD $61,500 - $104,500 plus a discretionary annual incentive.
Responsibilities:
- Design and develop scalable RESTful APIs and microservices
- Own the end-to-end API lifecycle including support
- Implement OAuth 2.0, OIDC and JWT authentication solutions
- Develop SQL queries and stored procedures for transactional systems
- Take part in Agile ceremonies and code reviews
Requirements summary:
- 8+ years of enterprise .NET and C# development
- Strong REST API and microservices experience
- Hands-on experience with Apigee preferred
- Secure authentication and authorization experience
- Strong SQL and relational database skills
- Proven cards and payments domain experience
Tools & skills
Source and dates
Source type not verified · apify-linkedin
- Employer posting date
- 2026-11-09
- First seen by our source
- 2026-11-14
- Source record updated
- 2026-11-14
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 8+ years |
| Hours per week | 40 (estimated) |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Perks mentioned | Generous paid time off, Retirement plan, Performance bonus, Wellness |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Cognizant
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Full company description
Cognizant (Nasdaq-100: CTSH) engineers modern businesses. We help our clients modernize technology, reimagine processes and transform experiences so they can stay ahead in our fast-changing world. Together, we’re improving everyday life. See how at www.cognizant.com or @cognizant.
- LinkedIn followers
- 9,028,531
- People associated on LinkedIn
- 354,087
- Reported office locations
- 300 Frank W Burr Blvd, Suite 600, Teaneck, New Jersey 07666, US
- Second Floor, Phoenix, Arizona 85029, US
- Thoraipakkam, Chennai, Tamil Nadu 600 096, IN
- 1 Kingdom Street, Paddington Central, London, W2 6BD, GB
- 3rd floor, Technopolis, Kakkanad, Kochi, Kerala 682 037, IN
- Soroksári út, 44., Budapest, Budapest 1095, HU
- 129 Church St, New Haven, CT 06510, US
- 15 William St, Melbourne, VIC 3000, AU
- 50 Boulevard Haussmann, Paris, IdF 75009, FR
- Via Monte di Pieta, 21, Milan, Lomb. 20121, IT
- Havenlaan 86C, Box 408, Brussels, Brussels Region 1000, BE
- 7301 Ohms Ln, Edina, MN 55439, US
- Anson Rd, Singapore, Singapore, SG
- 28 Margaret St, Sydney, NSW 2000, AU
- aleja Grunwaldzka 411, Gdansk, PM 80-309, PL
- 9655 Maroon Circle, Englewood, CO 80112, US
- Hardstrasse 201, Prime Tower office 18th floor, Zurich, 8005, CH
- St.-Martin-Straße 106, Munich, BY 81669, DE
- Drammensveien 145B, Oslo, Oslo 0277, NO
- Savanoriu prospektas 16, Vilnius, Vilniaus 03116, LT
- Calle Miraflores 222, Santiago, Santiago Metropolitan 8320000, CL
- Toldbodgade, Copenhagen, Capital Region 1253, DK
- Placa d'Europa, l'Hospitalet de Llobregat, Catalonia 08908, ES
- Calle Moreno no. 845 to 899, on the corner of Calle Tacuarí no. 242 to 292, Buenos Aires, AR
- Tucumán 3720, Bulnes Street, Buenos Aires, AR
- 200 Barangaroo Avenue, Barangaroo, New South Wales, AU
- Science Hub Tower 4, 1110 Campus Avenue, Mckinley Hill Cyber Park, 1st-4th floor, Taguig City , 1634, PH
- Avenida das Nações Unidas 14.171, Vila Gertrudes, Torre A – Ebony – 6° andar, São Paulo, SP, CEP 04794-000, BR
- Business categories
- Travel
- Software Engineering
- Electronics
- Health Care
- Consulting
- Software
- Cloud Computing
- Medical
- Manufacturing
- Information Technology
- Retail
- Financial Services
- Industrial Automation
- Artificial Intelligence (AI)
- Business Process Automation (BPA)
- Other recorded names
- Cognizant
- Specialties
- Interactive
- Intelligent Process Automation
- Digital Engineering
- Industry & Platform Solutions
- Internet of Things
- Artificial Intelligence
- Cloud
- Data
- Healthcare
- Banking
- Finance
- Fintech
- Manufacturing
- Retail
- Technology
- and Salesforce
- Profile identifies a recruitment agency
- No
- Reported total investment
- 241,000
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Cognizant (Nasdaq-100: CTSH) engineers modern businesses. We help our clients modernize technology, reimagine processes and transform experiences so they can stay ahead in our fast-changing world. Together, we’re improving everyday life. See how at www.cognizant.com or @cognizant.
| Field | Value |
|---|---|
| Industry | IT Services and IT Consulting |
| Company size | 10,001+ employees |
| Headquarters | Teaneck, New Jersey |
| Organization type | Public Company |
| Specialties | InteractiveIntelligent Process AutomationDigital EngineeringIndustry & Platform SolutionsInternet of ThingsArtificial IntelligenceCloudData HealthcareBanking |
| Open jobs on Jobsy | 6 |
| View page |
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
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:
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.
- 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.
- 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.
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
Journal
Only you can see this. Kept on this device, and in your account when you sign in.