Design and develop full-stack features, focusing on backend systems with some frontend work, while modernizing applications and integrating AI tools.
We are searching for a Senior .NET Developer on behalf of one of our clients, a successful and growing property & casualty insurance software company. The client develops proprietary enterprise solutions that manage the full operational suite for insurance carriers, their agents, and customers. This is an exciting opportunity to work with both established and cutting-edge Microsoft-based technologies, including an active migration to .NET Core and integration of AI tools into real development workflows.
Responsibilities
- Design, develop, and maintain full-stack features across backend services, APIs, frontend, and database layers
- Work primarily on backend systems (~80%) with some frontend responsibilities (~20%)
- Contribute to and modernize legacy VB.NET MVC applications while supporting the migration to .NET Core
- Build and integrate AI-assisted development workflows using tools such as ChatGPT, Claude, or similar technologies
- Collaborate directly with clients to gather requirements, deliver enhancements, and provide technical solutions
- Write and optimize SQL queries, stored procedures, and database interactions in SQL Server
- Participate in Agile development processes using tools like JIRA and Git/TFS
Requirements
- 7–8+ years of full-stack development experience, with the ability to independently own features end-to-end
- Strong hands-on experience with VB.NET and C#
- Solid command of ASP.NET MVC architecture — controllers, backend integration, and request lifecycle
- Proficiency in JavaScript, jQuery, and Bootstrap
- Strong SQL Server and T-SQL skills, including stored procedures and query optimization
- Experience with TFS and Visual Studio 2019+
- 1–2+ years of hands-on experience using AI tools in a real development workflow (ChatGPT, Claude, OpenWebUI, or similar)
- Proven ability to work directly with clients, gathering requirements and translating them into technical solutions
- Self-directed, mature, and comfortable working with minimal supervision
- Familiarity with Agile methodologies and tools like JIRA
Nice to Haves
- Experience migrating legacy applications to .NET Core
- Familiarity with cloud environments, particularly Azure
- Exposure to agentic coding workflows, MCP servers, or prompt engineering for production use cases
- Familiarity with infrastructure such as Windows Server, Hyper-V, or on-premise data centers
- Prior experience in enterprise software development, ideally within insurance or financial systems
If you are a seasoned .NET developer who thrives in a client-facing, hands-on role and wants to work at the intersection of legacy modernization and emerging AI technologies, we'd love to hear from you.
Similar Jobs
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
The People Experience Advisor supports service operations by ensuring compliance with policies, improving processes, and enhancing employee experience through effective onboarding and policy interpretation.
.png)
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Own the full outbound B2B sales cycle for mid-market merchants, including prospecting, pipeline development, discovery, product demonstrations, negotiations, and closing complex multi-product deals. Build net-new business, tailor Square ecosystem solutions, forecast accurately in Salesforce, collaborate cross-functionally, and consistently achieve revenue targets.
Top Skills:
Salesforce
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
Provides aerospace quality assurance and QMS oversight for C-17 maintenance operations. Performs maintenance and records audits, failure and forensic analysis, root cause analysis, compliance reporting, and quality checks against technical orders and regulations. Trains personnel on QMS and SMS, addresses audit findings, promotes safety and first-time quality, and advises management on compliance risks. The role is fully onsite in Trenton, Ontario, with up to 10% travel.
Top Skills:
As9100Automated Data Aircraft Management (Adam)Electronic Record Keeping System (Erks)ExcelMicrosoft OutlookMicrosoft PowerpointMicrosoft WordQuality Management System (Qms)Safety Management System (Sms)
What you need to know about the Calgary Tech Scene
Employees can spend up to one-third of their life at work, so choosing the right company is crucial, not just for the job itself but for the company culture as well. While startups often offer dynamic culture and growth opportunities, large corporations provide benefits like career development and networking, especially appealing to recent graduates. Fortunately, Calgary stands out as a hub for both, recognized as one of Startup Genome's Top 100 Emerging Ecosystems, while also playing host to a number of multinational enterprises. In Calgary, job seekers can find a wide range of opportunities.
