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Senior .NET Software Developer

19 hours ago

Ottawa, Ontario, Canada NTT DATA North America Full time

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a
Senior Software Developer
to join our team in Canada (CA).

Overview:
We are seeking a highly skilled Senior Software Developer to support the application team in a long-term technical debt remediation initiative. This role focuses on modernizing legacy systems, ensuring accessibility compliance, and implementing scalable solutions using modern technologies. The successful candidate will play a key role in redesigning and developing the web application and database infrastructure.

Key Responsibilities:

  • Lead the design and development of complex software systems using MVC Web and Onion architecture.
  • Collaborate with systems analysts to analyze business, scientific, and technical problems.
  • Create diagrammatic plans, flowcharts, and program specifications to solve business and technical problems.
  • Translate designs into efficient, maintainable code using C#, .NET Framework, and TypeScript.
  • Conduct database modeling and data migration for over 400 tables.
  • Implement UI/UX designs for web screens and reports, ensuring accessibility standards.
  • Manage code reviews, branching strategies, and release cycles via Azure DevOps (ADO).
  • Administer Azure DevOps environments, including sprint cycles, user groups, dashboards, and backlog boards.
  • Coordinate with QA teams to manage bugs, issues, and testing cycles.
  • Design and implement APIs in collaboration with external teams.
  • Develop schedule database jobs and enforce application security policies.
  • Mentor junior developers and contractors, promoting best practices and standards.
  • Document business and functional specifications, developer guidelines, and standards in Azure DevOps Wiki.
  • Analyze system requirements and translate them into efficient software solutions.
  • Select and integrate appropriate software programs and frameworks.
  • Verify accuracy and completeness of programs by preparing sample data, and testing them by means of system acceptance test runs made by operating personnel
  • Review and publish code changes via pull requests; manage branching and release strategies.
  • Create and manage ADO ticket backlogs for Epics, Features, User Stories, and Tasks.

Deliverables:

  • Completion and testing of data models and migration scripts.
  • Updates to existing screens and components for Work Sharing functionality.
  • Implementation of API enhancements and integration workflows.
  • Unit testing and peer review of all deliverables.
  • Compliance with accessibility and business requirements.
  • Submission of all deliverables through Azure DevOps (ADO).

Skills and Technologies:

  • Azure DevOps (ADO)
  • Web Experience Toolkit
  • MVC Web - Onion Architecture
  • C# and .NET Framework
  • Entity Framework
  • Fluent Validation
  • AutoMapper
  • TypeScript
  • ESDC Common System for Grants and Contributions System.

Mandatory Qualifications:

  • 10+ years of recent experience working as Senior Software Developer, Programmer, Engineer or similar.
  • 3+ years of recent experience with Azure DevOps (ADO).
  • 3+ years of recent experience working with tools/technologies, such as .NET, C#, MVC Web - Onion Architecture, Web Experience Toolkit, Entity Framework, Fluent Validation, AutoMapper and TypeScript.
  • Knowledge and recent experience of ESDC Common System for Grants and Contributions System.
  • Must currently hold a valid Reliability Security Clearance.
  • Must have a University Degree or College/CEGEP Diploma related to Computer Science, Information Technology, Engineering or similar from a recognized post-secondary institution.

About NTT DATA:
NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at

NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.