Full Stack Software Engineer, Manufacturing

Candidates must be authorized to work in the United States. Visa sponsorship is not available for this position.

Required:

• →Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Automation Engineering, or a related STEM discipline, or equivalent professional experience.
• →3–5 years of professional software engineering experience.
• →Strong proficiency in C# / .NET development (ASP.NET Core, Blazor, Entity Framework, or similar frameworks).
• →Solid experience with SQL databases (queries, joins, stored procedures, performance tuning).
• →Exposure and experience with front-end technologies (HTML, CSS, JavaScript/TypeScript) and modern web frameworks.
• →Experience with RESTful API design and back-end service development.
• →Proficiency with version control (Git) and collaborative development workflows.
• →Strong problem-solving, debugging, and communication skills.

Preferred:

• →Working knowledge of EAP systems, SECS/GEM protocols, and SEMI standards.
• →Experience with MES (Manufacturing Execution Systems) integration in semiconductor, optoelectronics, or high-volume electronics manufacturing environments.
• →Experience with Python and/or LabVIEW.
• →Familiarity with cloud services (Azure, AWS, GCP) and CI/CD pipelines.
• →Mandarin language proficiency is a plus.

This position is full-time and based in Sugar Land, Texas. This location has a combination of office, warehouse, and cleanroom manufacturing work environments.

• Business Hours for this position are 9am to 6pm CT, Monday through Friday.
• This position may require occasional after-hours response for critical facility issues, site inspections, or executive events.

In addition to competitive salary, AOI offers:

• Flexible and competitive health (medical, dental, vision) plans offer the employee with the right options to meet individual and family needs
• Employer matching on 401(k) deferrals
• Generous PTO policy, with unused PTO payout at end of the year
• Relocation packages available within the United States.

Applied Optoelectronics, Inc (AOI) is committed to providing equal opportunity in all of our employment practices, including hiring, placement, promotion, training, transfer and compensation, to all qualified applicants and employees without regard to race, color, national origin, citizenship, religion, sex, veteran status, age, disability, marital status, or any other category protected by State or U.S. Federal law. Moreover, we endeavor to treat our employees fairly.

We do not accept unsolicited proposals from third-party recruiters or agencies. Contacting hiring managers directly may result in disqualification of submissions.