Senior .NET Engineer

BraverIT; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Competitive salary and benefits

Collaboration with engineering team

Involvement in project vision andPrior

Career growth and professional dev

Job summary

BraverIT is seeking a skilled software engineer to contribute to sophisticated applications supporting cutting-edge production workflows. You will design and maintain key systems, integrate software with laboratory hardware, and help deliver reliable, high-volume production solutions.

You will develop desktop apps in C#/.NET with MVVM, integrate lab instruments, and build Python scripts to extend existing systems, while ensuring robust, scalable production software for thousands of units per day.

Qualifications

• 5+ years in C#/.NET development with WPF.
• Strong concurrent programming and thread-safe apps.
• 3+ years Python with OOP.
• Familiar with clean architecture, DI, and testability.
• Experience with MongoDB.
• Debug systems remotely via logs/telemetry.
• Familiar with Git and CI/CD; Bash/PowerShell scripting.
• Experience with lab instruments.
• Familiar with unit testing frameworks (xUnit, MSTest).
• Knowledge of photonics/optical or transceiver tech is a plus.
• Experience with MES in production environments.

Responsibilities

• Develop and enhance desktop apps using C#/.NET with MVVM.
• Integrate and manage laboratory instruments, enabling parallel tests.
• Build Python scripts and libraries into existing systems.
• Support production software processing thousands of units daily.

Skills

C#/.NET

WPF

MVVM

Multithreading

OO principles

Python

Unit testing

Git CI/CD

Scripting Bash/PowerShell

Diagnostics/Telemetry

MongoDB

Lab instruments familiarity

Job description

We are seeking a skilled software engineer to contribute to sophisticated applications that support cutting-edge production workflows. This position involves designing and maintaining key systems, integrating software with laboratory hardware, and helping deliver reliable, high-volume production solutions.

Your responsibilities

• Develop and enhance desktop applications using C#/.NET with MVVM architecture, multi-threading, and complex business logic.
• Integrate and manage laboratory instruments, ensuring smooth parallel test execution and proper resource handling.
• Build and incorporate Python scripts and libraries into existing software systems.
• Support production software used to process thousands of units each day.

Our requirements

• 5+ years of experience in C#/.NET development, including GUI frameworks such as WPF.
• Strong knowledge of concurrent programming and building thread-safe applications.
• 3+ years of Python experience with solid understanding of OOP principles.
• Familiarity with clean architecture concepts, including separation of concerns, dependency injection, and testability.
• Experience with document-based databases (e.g., MongoDB).
• Analytical problem-solving skills and ability to debug complex systems remotely using logs and telemetry.
• Comfortable with Git, CI/CD pipelines, and basic automation scripting (Bash/PowerShell).
• Experience with laboratory/test instruments (oscilloscopes, spectrum analyzers, power meters).
• Familiarity with unit testing frameworks (xUnit, MSTest).
• Basic knowledge of photonics, optical communications, or transceiver technologies.
• Experience with manufacturing or production systems integration (MES).

What we offer

• Competitive salary and benefits.
• Collaboration with a talented engineering team.
• Involvement in project vision and prioritization.
• Career growth and professional development opportunities.