Voltex Electrical

Senior .NET Developer (IoT)

  • Voltex Electrical

Job Description

Job Overview: 

We’re seeking a Senior Software Engineer to lead the design and development of the backend systems that power our connected device ecosystem. You’ll architect scalable, secure, and modular APIs and services enabling real-time communication , state synchronization , and cross-platform device interoperability —with a strong focus on IoT and Matter standards. This is a senior, hands-on engineering role for someone deeply passionate about building robust systems that bridge hardware, cloud, and mobile experiences.

Key Responsibilities: 

  • Design and develop high-performance backend services in C# .
  • Architect cloud-agnostic solutions deployable on AWS , GCP , Azure , or on-premises.
  • Build and maintain REST APIs with a focus on performance and scalability.
  • Implement real-time event-driven systems , including push notifications, web hooks, and messaging services.
  • Design and optimize PostgreSQL and Redis systems for relational, caching, and live data sync use cases.
  • Ensure observability through Sentry or similar tools for monitoring and performance tracing.
  • Implement strong API security (OAuth2/OIDC, JWT , rate limiting, input validation).
  • Manage configuration synchronization and state consistency between devices and cloud systems.
  • Build and deploy containerized services using Docker and CI/CD pipelines .
  • Maintain exceptional code quality , SQL optimization , and documentation standards .

Requirements

  • Bachelor's degree in Computer Science, Information Technology, or a related field. 
  • 8+ years of backend development experience using C# .
  • Proven track record in designing scalable, modular microservices .
  • Deep expertise in PostgreSQL and Redis for real-time and relational data management. Preferably with MS SQL experience.
  • Extensive experience building REST APIs from schema to integration.
  • Strong foundation in API security, authentication, and authorization protocols .
  • Proficiency with Docker, CI/CD pipelines , and DevOps workflows .
  • Experience with background job processing and event-driven systems .
  • Familiarity with cloud-agnostic design for multi-environment deployment.
  • Experience with event-driven architectures (MQTT , Kafka, RabbitMQ, etc.).
  • Excellent communication skills and collaborative mindset.
  • Works with initiative.
  • A great team player.

Preferred Qualifications (Bonus Points):

  • Strongly preferred and highly desirable. You understand IoT architecture, device provisioning, state synchronization, and secure connectivity models.
  • Experience with background job frameworks (e.g., Celery, Hangfire, or custom queue-based systems).
  • Background in telemetry, analytics, or device data pipelines .
  • Azure on-premises is highly desirable

Benefits

    • Competitive salary and benefits package. 
    • Opportunity to work with a dynamic and innovative team. 
    • Professional growth and development opportunities.