Senior/Lead .NET Software Engineer

Spyro Soft; Polska; On-site; PLN 40,000 - 60,000; Full time

Job summary

A technology company in Poland is seeking .NET developers to work on the PlantOps Accelerator, designed for chemical manufacturing companies. The role involves delivering backend systems in C#/.NET, designing RESTful APIs, and integrating with identity management solutions. Successful candidates should have commercial experience with PostgreSQL and event-driven architecture. This is an excellent opportunity to contribute to a platform that harnesses AI and ML for enhanced manufacturing processes.

Qualifications

• Commercial experience delivering backend systems in C#/.NET.
• Production experience on Azure.
• Hands-on experience with asynchronous messaging and event-driven architecture.

Responsibilities

• Design, build, and maintain PlantOps backend services using .NET.
• Design and deliver RESTful APIs.
• Implement data ingestion pipelines and event-driven workflows.
• Integrate backend services with identity and access management solutions.
• Persist, query, and optimize operational data stored in PostgreSQL.

Skills

C#/.NET

PostgreSQL

REST API

Asynchronous messaging

Event-driven architecture

Microservices

React

Job description

We are looking for .NET developers to work on the PlantOps Accelerator which is a platform allowing for setting up Objective Functions, for (chemical) manufacturing companies, that aims to integrate existing manufacturing infrastructure to produce and analyse unified data from chemical manufacturing systems using AI/ML.

REQUIREMENTS

• Commercial experience delivering backend systems in C#/.NET, including PostgreSQL and REST API
• Production experience on Azure
• Hands‑on experience with asynchronous messaging / event‑driven architecture, and understanding of CQRS and microservices
• Experience with React integrating with REST APIs

Nice To Have

• Azure and/or AWS certifications
• Knowledge of LIMS or Production Management Systems

RESPONSIBILITIES

• Design, build, and maintain PlantOps backend services using .NET
• Design and deliver RESTful APIs
• Implement data ingestion pipelines and event-driven workflows
• Integrate backend services with identity and access management solutions (OIDC / Keycloak)
• Persist, query, and optimize operational data stored in PostgreSQL
• Ensure production readiness of services, including