.NET Developer (Loveland, CO)
About The Position
Antech is seeking a mid-to-senior-level .NET Developer to help modernize its software platforms. The role focuses on designing and building backend services in C# and modern .NET, using microservices, Domain-Driven Design (DDD), and Event-Driven Architecture (EDA) to create scalable, maintainable, cloud-native services. The developer will help modernize legacy applications, build reliable services, and contribute to consistent engineering practices. Java experience is optional; experience with specific messaging, orchestration, and cloud platforms is preferred but not mandatory. The position works on-site in Antech’s Loveland office in collaboration with developers, architects, product owners, QA, and DevOps. The developer will participate in pair programming, technical design and architecture planning, code reviews, production troubleshooting, and mentoring teammates. Antech is part of Mars Science & Diagnostics and provides veterinary diagnostics, software, imaging, data services, education, and specialist support. Its culture is guided by the Five Principles: Quality, Responsibility, Mutuality, Efficiency, and Freedom.
Requirements
- At least 5 years of professional software development experience with strong C# and modern .NET backend development skills.
- Experience building RESTful APIs and backend applications in modern .NET, such as .NET 6 or later.
- Strong grounding in object-oriented programming, SOLID principles, design patterns, testability, clean code, and refactoring.
- Understanding of microservices and service-oriented architecture, including separation of concerns and service boundaries.
- Familiarity with DDD and event-driven architecture concepts, and ability to apply or learn them in a collaborative setting.
- Experience with relational databases, SQL, joins, indexes, constraints, and query optimization.
- Experience with an ORM such as Entity Framework Core and with automated unit and integration testing.
- Comfort with Git, pull requests, code reviews, and collaborative software delivery.
- Strong troubleshooting, analytical, written, and verbal communication skills.
- Ability to work independently, surface risks and blockers, collaborate in an Agile team, and share knowledge.
- Ability to work on-site in the Loveland office.
Nice To Haves
- Production experience designing and implementing microservices and DDD-based bounded contexts.
- Experience with EDA, asynchronous messaging, eventual consistency, idempotency, retries, fault tolerance, and resiliency.
- Familiarity with CQRS, Outbox, Saga, or comparable distributed-system patterns.
- Experience with Kafka, RabbitMQ, Azure Service Bus, or similar message brokers and streaming technologies.
- Understanding of producers, consumers, queues, topics, publish/subscribe, and event processing.
- Experience with Microsoft Azure, Docker, Kubernetes, or Azure Kubernetes Service (AKS).
- Experience with cloud-native design, infrastructure as code, application configuration, and container orchestration.
- Java, Spring Boot, Spring MVC, Struts, or experience migrating legacy Java applications.
- Experience with NoSQL databases, Linux troubleshooting and scripting, or NuGet/private package feeds.
- Experience with Azure DevOps, GitHub Actions, Jenkins, or similar CI/CD tools.
- Experience with Application Insights, Azure Monitor, Datadog, Prometheus, Grafana, or similar observability tools.
- Experience with OpenAPI/Swagger and OAuth2, OpenID Connect, or JWT-based identity solutions.
- Healthcare IT, DICOM, HL7, PACS, RIS, or medical imaging systems experience.
Responsibilities
- Design, develop, maintain, and support backend services and APIs using C# and modern .NET.
- Design microservices with cohesive responsibilities, clear service boundaries, maintainable business logic, and independent evolution.
- Apply DDD concepts, including bounded contexts, aggregates, entities, value objects, domain events, and domain services.
- Build event-driven integrations supporting asynchronous communication, loose coupling, and resilient processing.
- Contribute to solutions using Kafka, RabbitMQ, Azure Service Bus, or comparable messaging systems.
- Help modernize legacy applications and migrate capabilities into modern .NET services.
- Apply object-oriented design, SOLID principles, design patterns, clean code, and thoughtful refactoring.
- Build RESTful APIs and integrations with internal and external systems.
- Work with relational databases such as Oracle or SQL Server; write and optimize SQL and use ORM tools such as Entity Framework Core.
- Contribute to containerized and cloud deployments using Docker, Kubernetes, and Azure as appropriate.
- Write unit and integration tests; participate in code reviews, technical design, and architecture planning.
- Use Git, CI/CD pipelines, and modern delivery workflows; troubleshoot production issues and document technical decisions.
- Collaborate on-site with developers, architects, product owners, QA, and DevOps; participate in pair programming and mentor teammates.
Benefits
- Paid time off and holidays
- Medical, dental, and vision plans
- Company-paid basic life insurance and supplemental life insurance
- Company-paid short- and long-term disability
- Flexible spending accounts and health savings accounts
- Paid parental leave
- 401(k) with company match
- Tuition and continuing education reimbursement
- Life Assistance Program
- Pet care discounts
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
