Senior Engineer - C#/.NET

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.