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Voltex Electrical

Senior .NET Developer (IoT)

Remote

AI overview

Lead the design and development of backend systems for connected devices, focusing on real-time communication and cross-platform interoperability with IoT standards.

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. 

 Voltex Electrical

Voltex is passionate about good people, high quality, and your success.Voltex Electrical Accessories is an Australia and New Zealand electrical and data direct-to-contractor supplier with no shopfronts, providing a user-friendly online presence, personal service and a comprehensive range of high quality products, directly to Australia and New Zealand electricians.Established in February 2001, Voltex continues to achieve rapid, consistent growth by focusing on compliance, high performance and reliability, with an unflinching commitment to looking after electrical contractors, the guys that do the work.How it works!Voltex Electrical is a 'manufacturer to end-user' company, controlling everything from design right through to using only direct distribution from Voltex's own warehouses to account-holding licenced electricians.Being responsible for the Voltex brand, we take care of the design, build, certification, warranty, and distribution of all Voltex products, and partner with leading global players in production of circuit protection, industrial switch-gear and electrical accessories products.This has streamlined the supply chain, and removed many layers and expenses out of the distribution, and helps fund continuous improvements in high quality production, outstanding service and genuine warranty support, passing savings on to our electrical contractor friends.It's a very rewarding experience helping electricians reap the benefits of buying direct. The guy that does the hard work is the one who's benefited from Voltex’s innovations, and that's the way it was meant to be.The Voltex Advantage for Contractors.This gives Contractors a good recipe for success, and a competitive edge, in their own business. Forward ordering and buying online has meant a new way for the trade, and it's been a great honour to have the opportunity to help electricians make the change! Because we care about how electrical contractors get on.Voltex strive to support customers through exceptional service, offering same-day despatch for orders placed by 3.30pm, phone support from 6.30am to 8pm (7am on Tues due to company training), a 'No Questions Asked' return policy, and the 25 year warranty on all Voltex power points, switches and circuit control products.The 'Lifetime Returns, No Questions Asked', all freight paid returns policy makes it easy for contractors' forward ordering. Whether you over-ordered, changed your mind, or simply lost that job, return freight is free, and we’ll credit the returns straight to your account.

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