Full Stack Developer - .NET (Intermediate)

Role Purpose Reporting to the VP, Solutions & Delivery, we are looking for a talented and motivated Full Stack Developer – .NET to join our development team. The ideal candidate will have strong experience building scalable, secure, and high-performance web applications using the Microsoft .NET ecosystem, along with modern front-end technologies. You will be responsible for designing, developing, testing, deploying, and maintaining end-to-end applications while working closely with product managers, business analysts, QA engineers, DevOps teams, and other developers. Core Responsibilities • Design, develop, and maintain full-stack web applications using C#, .NET / .NET Core, ASP.NET Core, and Web API. • Build responsive and user-friendly front-end applications using React, Angular, Blazor, or similar modern JavaScript/C# frameworks. • Develop scalable RESTful APIs and integrate third-party services and enterprise systems. • Design and optimize relational databases using SQL Server, including tables, stored procedures, views, functions, and queries. • Implement secure authentication and authorization using technologies such as OAuth 2.0, OpenID Connect, JWT, and ASP.NET Core Identity. • Process and transform large fixed-width and delimited (CSV/flat) input files as part of data integration and batch workflows. • Generate large, well-structured XML output and associated XSD schemas for downstream systems and partners. • Integrate with document/PDF generation platforms such as Quadient, Exstream, or SmartCOMM to support customer communications. • Write clean, maintainable, reusable, and well-tested code following established coding standards and design patterns. • Participate in architecture and technical design discussions and contribute to application modernization initiatives. • Develop unit, integration, and automated tests to ensure application quality and reliability. • Troubleshoot and resolve application defects, performance issues, and production incidents. • Work with DevOps teams to support CI/CD pipelines, automated deployments, monitoring, and cloud infrastructure. • Collaborate with cross-functional teams to understand requirements and translate them into technical solutions. • Conduct code reviews and provide constructive feedback to team members. • Create and maintain technical documentation, API documentation, and development standards. • Stay current with emerging technologies and recommend improvements to development practices and application architecture. Required Qualifications Backend • Strong proficiency in C# • Hands-on experience with .NET / .NET Core • Strong experience with ASP.NET Core • Experience developing RESTful Web APIs • Knowledge of Entity Framework Core • Understanding of dependency injection, middleware, configuration, logging, and application lifecycle • Good understanding of object-oriented programming and SOLID principles • Experience with common design patterns and clean architecture principles • Experience processing large fixed-width and delimited input files • Experience generating large XML files and XSD schemas • Experience integrating with PDF generation software such as Quadient, Exstream, SmartCOMM, or similar Frontend • Strong experience with JavaScript / TypeScript • Hands-on experience with at least one modern framework: React, Angular, Vue.js, or Blazor (C#-based) • Strong knowledge of HTML5, CSS3, and responsive web design • Experience consuming REST APIs and handling client-side state • Familiarity with frontend build tools and package managers such as npm Database • Strong experience with Microsoft SQL Server • Proficiency in writing complex SQL queries • Experience with stored procedures, functions, views, indexes, and query optimization • Understanding of database design, normalization, transactions, and performance tuning • Experience with Entity Framework Core or another ORM Cloud & DevOps • Experience with Microsoft Azure or another major cloud platform • Familiarity with Azure services such as Azure App Service, Azure Functions, Azure SQL, Azure Storage, Azure Key Vault, and Azure Service Bus • Experience with CI/CD pipelines • Familiarity with Git-based source control and branching strategies • Experience with Docker and containerization is a plus • Understanding of application monitoring, logging, and observability Testing & Quality • Experience with unit testing using frameworks such as xUnit, NUnit, or MSTest • Understanding of integration and API testing • Familiarity with mocking frameworks such as Moq • Experience with automated testing and continuous integration • Strong understanding of secure coding and application performance practices Preferred Skills • Experience with microservices architecture • Knowledge of Azure DevOps or GitHub Actions • Experience with Docker and Kubernetes • Knowledge of messaging technologies such as Azure Service Bus, RabbitMQ, or Kafka • Experience with Redis or other caching technologies • Knowledge of GraphQL is a plus • Familiarity with Elasticsearch or similar search technologies • Experience with Agile/Scrum development methodologies • Understanding of Domain-Driven Design (DDD) • Experience with application performance monitoring tools • Knowledge of AI/ML integrations or consuming LLM APIs is a plus Qualifications • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience. • 3–7+ years of professional software development experience, depending on level. • Strong hands-on experience with the .NET ecosystem and modern frontend development. • Demonstrated experience delivering production-grade web applications. • Strong analytical, problem-solving, and debugging skills. • Excellent communication and collaboration skills. What We're Looking For • The successful candidate should be: • A strong problem solver with excellent attention to detail. • Comfortable working across both frontend and backend technologies. • Able to take ownership of features from requirements through deployment. • Passionate about writing clean, maintainable, and scalable code. • Comfortable working in a collaborative Agile environment. • Able to communicate technical concepts effectively to both technical and non-technical stakeholders. Typical Technology Stack • Backend: C#, .NET 8/9+, ASP.NET Core, Web API, Entity Framework Core • Frontend: React / Angular / Blazor, TypeScript, JavaScript, HTML5, CSS3 • Database: Microsoft SQL Server • Cloud: Microsoft Azure • DevOps: Azure DevOps / GitHub Actions, CI/CD, Docker • Testing: xUnit / NUnit, Moq, Postman • Version Control: Git / GitHub / Azure Repos • Architecture: REST APIs, Microservices, Clean Architecture, SOLID, Design Patterns • Data & Documents: Fixed-width & delimited file processing, XML/XSD generation, PDF/document composition (Quadient, Exstream, SmartCOMM) #J-18808-Ljbffr