Intern- Application Software Development

Coherent Corp.•Fremont, CA

8h•Onsite

About The Position

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us! This is a full-time, on-site position where the intern will implement features end-to-end across desktop and web, contribute to a real-time logging and analysis pipeline, build and consume REST APIs, develop Python and C# scripts for automation and testing, design structured data logging, assist with integrating hardware interfaces, add unit and integration tests, participate in code reviews, follow CI/CD workflows, write documentation, collaborate with QA and hardware teams, and practice secure coding basics.

Requirements

Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related field, or equivalent practical experience.
0 to 2 years of professional experience, or significant internships or capstone projects in application development.
Proficiency in C# and .NET fundamentals for desktop or service development.
Working knowledge of Python for scripting and automation.
Understanding of web fundamentals and REST API concepts.
Familiarity with Git and basic CI practices.
Solid debugging, problem-solving, and communication skills.

Nice To Haves

Desktop UI experience with WPF or WinUI, or web UI experience with React or Blazor and TypeScript.
Coursework or project work involving protocol analysis or device I/O for I2C, SPI, UART, MDIO, or USB.
Exposure to data logging and storage using SQLite or PostgreSQL, plus simple dashboards or charts.
Experience with logging and observability libraries.
Interop experience such as wrapping native or vendor SDKs for use in C# or Python.
Familiarity with IronPython in .NET environments is a plus.
Exposure to cloud, containers, or job runners is helpful but not required.

Responsibilities

Implement features end-to-end across desktop and web: plan, code, test, and ship incremental releases.
Contribute to a real-time logging and analysis pipeline for device and protocol transactions.
Build and consume REST APIs to connect tools, services, and user interfaces.
Develop Python and C# scripts and libraries for automation, data processing, and regression tests.
Design structured data logging with simple, queryable schemas and basic visualizations.
Assist with integrating hardware interfaces such as I2C, SPI, UART, MDIO, or USB using clear abstraction layers.
Add unit and integration tests, participate in code reviews, and follow CI/CD workflows.
Write concise documentation for features, APIs, and operational procedures.
Collaborate with QA, hardware, and test engineering to reproduce issues and validate fixes.
Practice secure coding basics, including input validation and secrets management.