Senior Full-Stack Software Engineer — Manufacturing Systems (ERP/MES)

Location: Baxter Aerospace (St. George UT)

Department: Finance, Recruiting, IT, & Welding

Location Type: IN_OFFICE

Employment Type: FULL_TIME

About the Role

Key Responsibilities

• Partner with the Supply Chain & Operations Software Manager and business users to understand workflows, document requirements, and translate operational needs into maintainable software.
• Evaluate the existing B4Bridge application, source code when available under license, database structure, and integrations to help determine an appropriate development approach.
• Design, develop, test, and maintain frontend interfaces, backend services, APIs, and relational databases.
• Extend and refactor an existing licensed application or establish the architecture and foundation for a new platform.
• Develop capabilities for part and product records, bills of materials, revision control, purchasing, receiving, inventory, material allocation, work orders, and production reporting.
• Implement serial and lot traceability, material consumption, quality status handling, and auditable transaction history.
• Protect data integrity through database constraints, transaction management, concurrency controls, validation, and reliable error handling.
• Build practical interfaces for office and shop-floor users, including search, data entry, reporting, and operational dashboards.
• Integrate with approved business systems and develop tools for data import, export, migration, and reconciliation.
• Implement authentication, role-based authorization, approval workflows, and audit logging.
• Establish automated tests and deployment pipelines; manage application releases and database changes with appropriate validation and recovery procedures.
• Diagnose production issues, improve performance, and maintain application monitoring and technical documentation.
• Work with IT and security personnel to deploy and support the platform in company-approved environments.
• Use approved development tools and follow company requirements for protecting proprietary, sensitive, and export-controlled information.

Required Qualifications

• Bachelor’s degree in computer science, software engineering, or a related field, or equivalent professional experience.
• Five or more years of professional software development experience, including substantial responsibility for production business applications.
• Demonstrated ability to independently deliver full-stack application features from requirements and database design through deployment and ongoing support.
• Strong backend development skills in C#/.NET or a comparable application framework, with the ability to work within an existing technology stack.
• Proficiency in JavaScript/TypeScript and experience with a modern frontend framework such as React, Angular, or Vue.
• Strong SQL and relational database design skills, including schema design, indexing, query optimization, transactions, and database migrations.
• Experience developing complex business applications involving inventory, order management, manufacturing, supply chain, financial transactions, or comparable workflows where data accuracy and auditability are essential.
• Experience reading, debugging, extending, and refactoring an unfamiliar codebase.
• Experience designing and integrating APIs and implementing reliable background processing.
• Working knowledge of application security, authentication, authorization, and secure handling of sensitive data.
• Proficiency with Git, automated testing, debugging, and CI/CD practices.
• Ability to make practical architecture decisions, explain technical tradeoffs, estimate work, and deliver incrementally.
• Strong communication skills and the ability to work directly with technical and nontechnical colleagues.
• Ability to independently understand, explain, debug, and validate the code and architecture they deliver. AI-assisted development tools do not substitute for these capabilities.
• Must meet the U.S. person eligibility requirement described below.

Preferred Qualifications

• Direct experience developing or significantly customizing ERP, MES, MRP, warehouse management, or other manufacturing systems.
• Experience with PostgreSQL and C#/.NET.
• Experience with multilevel bills of materials, engineering revisions, production routings, work orders, inventory reservations, and serial/lot genealogy.
• Experience with aerospace manufacturing, quality workflows, and controlled manufacturing documentation.
• Experience assessing inherited applications and planning modernization, refactoring, or phased replacement.
• Experience migrating business data between systems and reconciling inventory balances, open orders, and historical records.
• Experience with Microsoft Azure or Azure Government, Microsoft Entra ID, managed databases, and application monitoring.
• Experience with barcode scanning, label printing, document management, or CAD/PLM integrations.
• Experience building operational reports and dashboards for purchasing, material availability, production readiness, and supplier performance.
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• About Our Company

Schedule & Work Location

• Full time: Monday–Friday, 8 AM–6 PM
• Work location: In person

Compensation & Benefits

• Pay based on experience
• Medical, dental, and vision insurance
• Relocation assistance
• Opportunities for professional growth and development