Senior .NET Developer (IoT) at Voltex… · Philippin…

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 .

• 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

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