Senior Software Engineer - Photonics & Manufacturing

Lumilens; San Jose (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Competitive salary

Professional development

Cutting-edge technology

Collaborative culture

Equal opportunity employer

Job summary

Lumilens is building critical photonics infrastructure for AI supercomputing. You will contribute to a high-performance, multi-threaded desktop application for optical transceiver testing, with MVVM architecture and deep hardware integration.

Collaborate with a team of engineers on scalable software powering thousands of units daily. You will work across C#/.NET, Python, and tooling like GitHub Actions, designing robust, testable solutions, and debugging remotely using telemetry and logs.

Qualifications

• 5 years of C#/.NET experience with GUI (WPF) and MVVM patterns.
• Strong concurrency knowledge and thread-safe design across multi-threaded apps.
• Experience with .NET 8 or later.
• 3 years of Python, OOP and pytest.
• Clean architecture, dependency injection, testability.
• Experience with MongoDB or similar document databases.
• Ability to debug remotely via logs and telemetry.

Responsibilities

• Develop a C#/.NET desktop application for manufacturing software with MVVM architecture.
• Integrate hardware drivers and manage instrument control across multiple tests.
• Create Python test scripts and integrate functionality into the .NET app.
• Scale software to run on manufacturing lines producing thousands of units daily.
• Collaborate with cross-functional teams to deliver robust solutions.

Skills

C#/.NET

WPF

MVVM

Async/Await

Thread safety

Concurrent programming

.NET 8+

Python

Clean architecture

Remote debugging

Tools

Git

GitHub Actions

CI/CD

PowerShell

Bash

MongoDB

Job description

Lumilens is building critical photonics infrastructure for AI supercomputing. You will contribute to a high-performance, multi-threaded desktop application for optical transceiver testing, with MVVM architecture and deep hardware integration.

Collaborate with a team of engineers on scalable software powering thousands of units daily. You will work across C#/.NET, Python, and tooling like GitHub Actions, designing robust, testable solutions, and debugging remotely using telemetry and logs.