About the Role 

We are looking for a highly skilled and experienced Senior .NET IoT & Systems Engineer to join our team. You will play a key role in designing and developing backend systems for real-time data acquisition, industrial device integration, and high-performance processing within PumpTest and IIoT platforms. 

Description 

You will build backend systems connecting industrial hardware with cloud platforms, develop multithreaded applications, integrate industrial protocols, and enable real-time data streaming. 

Tech Stack 

Backend: C# (.NET 8), Multithreading, Linux 
Protocols: LXI, SCPI, Modbus, Serial 
Data: Kafka, Avro 
API: REST, SignalR, WebSockets 
Infra: Docker, PostgreSQL, EF Core 
Security: OAuth2, JWT 

Key Responsibilities 

- Develop backend applications in .NET 
- Implement multithreaded systems 
- Integrate industrial protocols 
- Develop APIs and streaming systems 
- Work with Kafka and PostgreSQL 
- Ensure security and testing 

Requirements 

Systems Programming: Expert C# (.NET 8), Multithreading, Memory Management, and Cross-Platform .NET on Linux (systemd, Deployment).

Hardware & IoT

Industrial Protocols: Expert in LXI, SCPI, Modbus, and Serial Communication. Experience with Byte-level processing and Data Acquisition (DAQ).

Data & Mes-saging

High-Throughput Streams: Advanced Kafka (Confluent Client), Avro (Schema-based Seriali-zation), and Real-time Data Acquisition.

API & Con-nectivity

Hybrid Communication: RESTful Design (OpenAPI/NSwag), SignalR/WebSockets, and Real-time Config via Base64/JSON.

Infrastruc-ture

Cloud & Containers: Advanced AWS (ECS/EKS, RDS, IAM) and Kubernetes/K3s deployment strategies.

Data & Mes-saging

Distributed Systems: High-level decisions for Kafka (Partitioning, EOS), Avro compatibility, and Schema Registry.

Persistence

PostgreSQL & ORM: Advanced data modelling, partitioning, and replication; expert in .NET Persistence Frameworks (Entity Framework Core / Dapper).

Specialized Dev

Embedded-Adjacent: Expertise in device communication, hardware abstraction, and proto-col integration.

Governance

Documentation & Strategy: API Governance (REST/gRPC), technical documentation (Arc42/C4), and Stakeholder Management.