{"schemaVersion":"jobsearcher.job.v1","id":"497258462cd88440d7db2c4c","url":"https://jobsearcher.com/jobs/497258462cd88440d7db2c4c","canonicalUrl":"https://jobsearcher.com/jobs/497258462cd88440d7db2c4c","title":"Full Stack Software Engineer, Manufacturing","description":"About AOI\nApplied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and HFC networking products — the building blocks that power AI datacenters, CATV broadband, telecom, and fiber access networks around the world. Headquartered in Sugar Land, Texas, AOI is a vertically integrated company that designs and manufactures everything from semiconductor laser chips to finished optical transceivers, serving tier-one customers across cloud computing, broadband, and telecom. With R&D operations in Atlanta, GA and global manufacturing presence in Taiwan and China, AOI is publicly traded on the Nasdaq (AAOI) and is actively expanding its U.S.-based manufacturing operations in Sugar Land to meet accelerating demand in the AI datacenter market.\nSummary\nWe are seeking a Full Stack Software Engineer to design, build, and own the internal software systems that power our manufacturing operations. This is a high-autonomy role spanning the entire stack; from front-end dashboards and back-end services to equipment-level communication protocols — where you will drive architecture decisions and deliver end-to-end solutions across MES/RMS integrations, production monitoring tools, and SECS/GEM host software. The ideal candidate pairs strong C#/.NET fundamentals with the initiative to define systems in a growing environment, not just maintain them.\n\nYou will join a team of approximately ten engineers within the MIS department, working alongside MES, database, and systems engineering colleagues in an open office environment with occasional time in cleanroom manufacturing areas. As AOI scales U.S. production capacity to meet accelerating AI datacenter demand, this role will be central to building the software infrastructure that supports higher throughput, better yield and yield visibility, with more reliable equipment automation.\n\nJob Responsibilities\nInternal Web Application Development\nDesign, develop, own, and maintain full-stack web applications for internal manufacturing operations, including production dashboards, equipment monitoring portals, and operational tools.\nBuild responsive front-end interfaces and robust back-end services using C# / .NET (ASP.NET Core, Blazor) as the primary stack, with JavaScript/TypeScript as a secondary development stack.\nImplement scalable and maintainable software architectures that serve multiple teams across manufacturing, process engineering, quality, and operations.\nWrite clean, efficient, and well-documented code that adheres to best practices and coding standards.\nEquipment Automation & SECS/GEM\nMaintain and enhance EAP (Equipment Automation Program) software that enables communication between manufacturing equipment and factory systems.\nConfigure and maintain SECS/GEM communication in compliance with SEMI standards (e.g., SECS-I, HSMS, GEM), including equipment messaging, event reporting, alarms, status variables, and remote command execution.\nSupport equipment qualification and acceptance testing using SECS/GEM requirements\nSystem Integration\nIntegrate manufacturing tools with:\nMES (Manufacturing Execution System) for lot tracking and production control\nRMS (Recipe Management System) for recipe download, validation, and version control\nCollaborate with cross-functional teams (Process Engineering, Manufacturing, IT, Quality) to ensure seamless system interoperability.\nData Collection, Analysis & Dashboards\nBuild and maintain web-based dashboards for:\nProduction performance monitoring and yield analysis\nEquipment health and downtime tracking\nUtilize SQL databases to store, query, and analyze production and equipment data.\nWork with business stakeholders to best design, implement, and maintain data-driven visualizations\nTroubleshooting & Production Support\nDiagnose and resolve complex equipment automation, communication, and data integrity issues in a high-volume manufacturing environment.\nProvide support during production issues related to automation systems as needed.\nWork directly with equipment vendors to resolve interface or protocol issues.\nDocumentation & Continuous Improvement\nDevelop and maintain software design documents, interface control documents (ICDs), and operational procedures.\nEnsure systems comply with internal controls, quality standards, and audit requirements.\nIdentify automation opportunities to improve throughput, reduce manual intervention, and enhance equipment utilization.\nStay current on emerging technologies and propose system enhancements aligned with AOI’s manufacturing roadmap.\nQualifications\nCandidates must be authorized to work in the United States. Visa sponsorship is not available for this position.\nRequired:\nBachelor’s or Master’s degree in Computer Science, Electrical Engineering, Automation Engineering, or a related STEM discipline, or equivalent professional experience.\n3–5 years of professional software engineering experience.\nStrong proficiency in C# / .NET development (ASP.NET Core, Blazor, Entity Framework, or similar frameworks).\nSolid experience with SQL databases (queries, joins, stored procedures, performance tuning).\nExposure and experience with front-end technologies (HTML, CSS, JavaScript/TypeScript) and modern web frameworks.\nExperience with RESTful API design and back-end service development.\nProficiency with version control (Git) and collaborative development workflows.\nStrong problem-solving, debugging, and communication skills.\nPreferred:\nWorking knowledge of EAP systems, SECS/GEM protocols, and SEMI standards.\nExperience with MES (Manufacturing Execution Systems) integration in semiconductor, optoelectronics, or high-volume electronics manufacturing environments.\nExperience with Python and/or LabVIEW.\nFamiliarity with cloud services (Azure, AWS, GCP) and CI/CD pipelines.\nMandarin language proficiency is a plus.\nLocation & Work Environment\nThis position is full-time and based in Sugar Land, Texas. This location has a combination of office, warehouse, and cleanroom manufacturing work environments.\nBusiness Hours for this position are 9am to 6pm CT, Monday through Friday.\nThis position may require occasional after-hours response for critical facility issues, site inspections, or executive events.\nWhy AOI?\nIn addition to competitive salary, AOI offers:\nFlexible and competitive health (medical, dental, vision) plans offer the employee with the right options to meet individual and family needs\nEmployer matching on 401(k) deferrals\nGenerous PTO policy, with unused PTO payout at end of the year\nRelocation packages available within the United States.\nApplied 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.\nWe do not accept unsolicited proposals from third-party recruiters or agencies. Contacting hiring managers directly may result in disqualification of submissions.","company":"Appliedoptoelectronicsinc","rawCompany":"appliedoptoelectronicsinc","city":"Houston","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-08-05T11:55:32.982Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"17-2112.03","title":"Manufacturing Engineers","slug":"manufacturing-engineers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Full Stack Software Engineer, Manufacturing","description":"About AOI\nApplied Optoelectronics, Inc. (AOI) is a leading developer and manufacturer of advanced optical and HFC networking products — the building blocks that power AI datacenters, CATV broadband, telecom, and fiber access networks around the world. Headquartered in Sugar Land, Texas, AOI is a vertically integrated company that designs and manufactures everything from semiconductor laser chips to finished optical transceivers, serving tier-one customers across cloud computing, broadband, and telecom. With R&D operations in Atlanta, GA and global manufacturing presence in Taiwan and China, AOI is publicly traded on the Nasdaq (AAOI) and is actively expanding its U.S.-based manufacturing operations in Sugar Land to meet accelerating demand in the AI datacenter market.\nSummary\nWe are seeking a Full Stack Software Engineer to design, build, and own the internal software systems that power our manufacturing operations. This is a high-autonomy role spanning the entire stack; from front-end dashboards and back-end services to equipment-level communication protocols — where you will drive architecture decisions and deliver end-to-end solutions across MES/RMS integrations, production monitoring tools, and SECS/GEM host software. The ideal candidate pairs strong C#/.NET fundamentals with the initiative to define systems in a growing environment, not just maintain them.\n\nYou will join a team of approximately ten engineers within the MIS department, working alongside MES, database, and systems engineering colleagues in an open office environment with occasional time in cleanroom manufacturing areas. As AOI scales U.S. production capacity to meet accelerating AI datacenter demand, this role will be central to building the software infrastructure that supports higher throughput, better yield and yield visibility, with more reliable equipment automation.\n\nJob Responsibilities\nInternal Web Application Development\nDesign, develop, own, and maintain full-stack web applications for internal manufacturing operations, including production dashboards, equipment monitoring portals, and operational tools.\nBuild responsive front-end interfaces and robust back-end services using C# / .NET (ASP.NET Core, Blazor) as the primary stack, with JavaScript/TypeScript as a secondary development stack.\nImplement scalable and maintainable software architectures that serve multiple teams across manufacturing, process engineering, quality, and operations.\nWrite clean, efficient, and well-documented code that adheres to best practices and coding standards.\nEquipment Automation & SECS/GEM\nMaintain and enhance EAP (Equipment Automation Program) software that enables communication between manufacturing equipment and factory systems.\nConfigure and maintain SECS/GEM communication in compliance with SEMI standards (e.g., SECS-I, HSMS, GEM), including equipment messaging, event reporting, alarms, status variables, and remote command execution.\nSupport equipment qualification and acceptance testing using SECS/GEM requirements\nSystem Integration\nIntegrate manufacturing tools with:\nMES (Manufacturing Execution System) for lot tracking and production control\nRMS (Recipe Management System) for recipe download, validation, and version control\nCollaborate with cross-functional teams (Process Engineering, Manufacturing, IT, Quality) to ensure seamless system interoperability.\nData Collection, Analysis & Dashboards\nBuild and maintain web-based dashboards for:\nProduction performance monitoring and yield analysis\nEquipment health and downtime tracking\nUtilize SQL databases to store, query, and analyze production and equipment data.\nWork with business stakeholders to best design, implement, and maintain data-driven visualizations\nTroubleshooting & Production Support\nDiagnose and resolve complex equipment automation, communication, and data integrity issues in a high-volume manufacturing environment.\nProvide support during production issues related to automation systems as needed.\nWork directly with equipment vendors to resolve interface or protocol issues.\nDocumentation & Continuous Improvement\nDevelop and maintain software design documents, interface control documents (ICDs), and operational procedures.\nEnsure systems comply with internal controls, quality standards, and audit requirements.\nIdentify automation opportunities to improve throughput, reduce manual intervention, and enhance equipment utilization.\nStay current on emerging technologies and propose system enhancements aligned with AOI’s manufacturing roadmap.\nQualifications\nCandidates must be authorized to work in the United States. Visa sponsorship is not available for this position.\nRequired:\nBachelor’s or Master’s degree in Computer Science, Electrical Engineering, Automation Engineering, or a related STEM discipline, or equivalent professional experience.\n3–5 years of professional software engineering experience.\nStrong proficiency in C# / .NET development (ASP.NET Core, Blazor, Entity Framework, or similar frameworks).\nSolid experience with SQL databases (queries, joins, stored procedures, performance tuning).\nExposure and experience with front-end technologies (HTML, CSS, JavaScript/TypeScript) and modern web frameworks.\nExperience with RESTful API design and back-end service development.\nProficiency with version control (Git) and collaborative development workflows.\nStrong problem-solving, debugging, and communication skills.\nPreferred:\nWorking knowledge of EAP systems, SECS/GEM protocols, and SEMI standards.\nExperience with MES (Manufacturing Execution Systems) integration in semiconductor, optoelectronics, or high-volume electronics manufacturing environments.\nExperience with Python and/or LabVIEW.\nFamiliarity with cloud services (Azure, AWS, GCP) and CI/CD pipelines.\nMandarin language proficiency is a plus.\nLocation & Work Environment\nThis position is full-time and based in Sugar Land, Texas. This location has a combination of office, warehouse, and cleanroom manufacturing work environments.\nBusiness Hours for this position are 9am to 6pm CT, Monday through Friday.\nThis position may require occasional after-hours response for critical facility issues, site inspections, or executive events.\nWhy AOI?\nIn addition to competitive salary, AOI offers:\nFlexible and competitive health (medical, dental, vision) plans offer the employee with the right options to meet individual and family needs\nEmployer matching on 401(k) deferrals\nGenerous PTO policy, with unused PTO payout at end of the year\nRelocation packages available within the United States.\nApplied 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.\nWe do not accept unsolicited proposals from third-party recruiters or agencies. Contacting hiring managers directly may result in disqualification of submissions.","datePosted":"2026-08-05T11:55:32.982Z","dateModified":"2026-08-05T11:55:32.982Z","hiringOrganization":{"@type":"Organization","name":"Appliedoptoelectronicsinc","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Houston","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"497258462cd88440d7db2c4c"},"url":"https://jobsearcher.com/jobs/497258462cd88440d7db2c4c"}}