Senior C# .NET Developer

We are seeking an experienced Senior C#/.NET Developer with 7+ years of professional software development experience and a strong background in cloud-native solutions, MQTT-based systems, and containerized deployments. The ideal candidate will have hands-on experience building scalable, high-performance microservices and distributed applications using C#/.NET, deployed on AWS, and orchestrated with Docker and Kubernetes.

Key Responsibilities

• Design, develop, and maintain C#/.NET applications and microservices.
• Build scalable, event-driven architectures using MQTT messaging protocols.
• Develop cloud-native services and infrastructure on AWS, leveraging services such as EC2, ECS/EKS, Lambda, S3, RDS, CloudWatch, and IoT Core (preferred).
• Create and maintain Docker container images and manage application deployments in Kubernetes environments.
• Participate in architectural discussions to design robust, maintainable, and secure systems.
• Implement CI/CD pipelines using tools such as GitHub Actions, AWS CodePipeline, or Jenkins.
• Collaborate closely with product managers, DevOps engineers, and QA teams to deliver high-quality, production-ready solutions.
• Monitor, troubleshoot, and optimize application performance in cloud environments.
• Follow best practices for coding, testing, automation, and documentation.

Required Qualifications

• 7+ years of hands-on experience with C#/.NET (Core or later).
• Strong experience integrating and developing messaging solutions using MQTT.
• Proven experience with AWS Cloud, including building and deploying distributed systems.
• Solid understanding of Docker, containerization concepts, and writing production-ready Dockerfiles.
• Experience deploying and managing workloads in Kubernetes (EKS preferred), including Helm charts or similar tools.
• Strong knowledge of RESTful APIs, microservice architectures, and distributed systems.
• Proficiency with SQL and NoSQL databases.
• Experience with Git, CI/CD, automated testing frameworks, and modern DevOps practices.
• Strong problem-solving skills and ability to work in a fast-paced, agile environment.

Preferred Qualifications

• Experience with AWS IoT, MQTT brokers, or industrial IoT systems.
• Familiarity with Terraform, CloudFormation, or other IaC tools.
• Knowledge of event streaming systems such as Kafka or AWS SNS/SQS.
• Exposure to modern frontend technologies (Angular, React, or Blazor) is a bonus.
• Experience with application security, identity management, and OAuth/OpenID Connect.