Application Developer

Genesee & Wyoming Inc.•Town of Henrietta, NY

16h•Onsite

About The Position

The Application Developer will be a key contributor within the Application Development team, working closely with a Senior Cloud Architect and a Lead Application Developer to design, develop, test, deploy, and support a broad range of modern software solutions. This role focuses on building predominantly cloud‑hosted applications leveraging the Microsoft .NET ecosystem and Azure platform. Solutions may include web applications, agentic and AI‑enabled applications, APIs, serverless function apps, integration services, and event‑driven systems. The ideal candidate is a hands‑on developer who enjoys solving complex problems, learning new technologies, and collaborating across technical and business teams. While not a strict requirement, exposure to AI‑assisted and AI‑driven development—including working with large language models (LLMs) and modern developer tooling—is highly valued.

Requirements

Microsoft .NET, C#
ASP.NET / ASP.NET Core
Blazor (Server and/or WebAssembly)
RESTful API design and implementation
Object‑oriented programming, SOLID principles, and common design patterns
Azure App Services
Azure Function Apps (serverless development)
Azure API Management
Azure Service Bus
Azure Event Hubs
Azure Storage (Blob, Queue, Table)
Azure Key Vault
Azure Monitor and Application Insights
Azure DevOps (repos, pipelines, boards)
Microsoft SQL Server and T‑SQL
Document databases such as Azure Cosmos DB
Event‑driven and message‑based integration patterns
JSON, XML, and modern data serialization formats
Strong problem‑solving and analytical skills
Excellent written and verbal communication abilities
Ability to collaborate effectively within cross‑functional teams
Strong attention to detail and commitment to quality
Self‑motivated, adaptable, and eager to learn new technologies
Capable of managing multiple priorities in a fast‑paced environment
Bachelor’s degree (BE or BS) in Computer Science, Computer Engineering, Information Technology, or a related field preferred.
3–5 years of professional experience as a software or application developer.
Practical experience with cloud‑hosted applications and modern software architectures.
Experience working with relational databases and document databases.

Nice To Haves

Exposure to AI‑assisted development workflows using tools such as GitHub Copilot and JetBrains Rider
Familiarity with integrating or experimenting with large language models (LLMs) such as OpenAI, Claude, or Gemini
Awareness of agentic application concepts, prompt‑driven workflows, and AI‑enabled services using platforms such as Azure AI Foundry
Ability to leverage AI tools responsibly to improve developer productivity, code quality, and solution design

Responsibilities

Design, develop, test, and maintain high‑quality software solutions using the Microsoft .NET stack and Azure cloud services.
Build and enhance web applications, APIs, background services, serverless function apps, and event‑driven components in a cloud‑native environment.
Collaborate with the Senior Cloud Architect and Lead Application Developer on solution design, architectural decisions, and implementation patterns.
Participate in the full software development lifecycle, including requirements analysis, technical design, development, testing, deployment, and production support.
Develop secure, scalable, and maintainable solutions following modern software engineering principles and best practices.
Implement and consume RESTful APIs and integrate with internal and external systems using Azure integration services.
Work with document and relational data stores, selecting appropriate data models and access patterns.
Contribute to CI/CD pipelines, automated testing, and infrastructure‑aware development practices.
Assist with troubleshooting, performance tuning, and operational support of production applications as needed.
Produce clear technical documentation and contribute to shared development standards and patterns.
Communicate effectively with technical and non‑technical stakeholders, ensuring alignment and shared understanding.
Support innovation initiatives, including experimentation with emerging technologies and development approaches.
This position may require occasional off‑hours support of critical production applications and limited travel, as business needs dictate.
Perform other duties and participate in projects as assigned.