We are seeking an experienced Senior Backend Developer to join our engineering team ASAP, who is responsible for the cloud-native backbone powering InterAction+, CRM solution for law firms and professional services organizations.This role requires a self-driven engineer who can take full ownership of complex backend services, collaborate across multiple product teams, and drive technical excellence in a distributed microservices workplace.Key ResponsibilitiesTechnical Ownership & DevelopmentDesign, develop, and maintain microservices-based backend systems using .NET 6/8 and C# in a cloud-native Azure environmentBuild and optimize GraphQL APIs (HotChocolate) and RESTful services for high-performance, multi-tenant applicationsDevelop and maintain API Gateway and Proxy services that handle millions of requests across global deploymentsImplement complex business logic for CRM functionalities including contact management, relationship mapping, and business intelligenceWork with Azure SQL Server databases using the Yeti.SQL multi-tenant platform with elastic pools and cross-region replicationDesign and implement event-driven architectures using Azure Service Bus, Event Grid, and the EventBroker systemArchitect and deploy scalable solutions on Azure Kubernetes Service (AKS) with container orchestrationLeverage Azure PaaS services: Azure Functions, Application Gateway, Front Door, Key Vault, and App ConfigurationImplement Infrastructure as Code using ARM Templates, PowerShell, and Azure DevOps pipelinesDesign multi-region deployment strategies with automated failover and disaster recovery capabilitiesEnsure security best practices with Azure AD B2C, OAuth 2.0, RBAC, and encryption at rest/in transitWork independently across multiple product teams (Web, Office, Sync, Intelligence services)



to deliver integrated solutionsTake full ownership of services end-to-end - from architecture and development to deployment and production supportLead technical discussions and architectural decision-making with ADRs (Architecture Decision Records)Mentor other developers and promote best practices across the engineering organizationCollaborate with Product Owners, DevOps engineers, and QA teams in an agile environmentRequired QualificationsTechnical Skills5+ years of backend development experience with C# and .NET Core/.NET 6+Strong hands-on frontend expertise in Angular for full-stack contributionStrong expertise in GraphQL (HotChocolate preferred) and RESTful API designProven experience with Azure SQL Server, T-SQL, and database optimization techniquesDeep knowledge of Microsoft Azure cloud services, particularly AKS, Azure Functions, Service Bus, and SQL DatabaseExperience building and deploying containerized applications with Docker and KubernetesProficiency in Azure DevOps for CI/CD pipelines and Git-based workflowsStrong understanding of microservices architecture, event-driven systems, and distributed computing patternsSoft Skills & Work StyleProven ability to work independently with minimal supervision and take full ownership of complex projectsSelf-starter mentality with strong problem-solving skills and technical curiosityExcellent communication skills for collaborating with multiple stakeholders across different teamsComfortable with ambiguity - able to gather requirements and make technical decisions autonomouslyAccountability mindset - takes responsibility for quality, performance, and production stabilityExperience mentoring junior developers and leading technical initiativesNice to HaveBackground in CRM systems, SaaS multi-tenancy, or enterprise softwarePrevious work with hybrid cloud architectures connecting on-premises and cloud systemsAbout the Tech StackAPIs: GraphQL, REST, ODataFrontend: Angular 15+ (for full-stack opportunities)If you have the required skillset and is ready to start soon, please share your resume to OR herePlease note to include the specific position you are applying for in the subject.#J-18808-Ljbffr

📌 Back End Developer (Toronto)
🏢 Appfabs Incorporation
📍 Toronto