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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full-Stack Software Engineer - Manufacturing Systems (ERP/MES) - **Company:** Baxter - **Location:** St. George, UT, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), .NET Framework, Computer-Aided Design, Application Programming Interfaces (APIs), Application Frameworks, Application Integration Architecture, Audit Trail, User Authentication, Automation of Tests, Microsoft Azure, Business Software, Business Systems, C Sharp (Programming Language), Databases, Concurrency Controls, Continuous Integration, Data Integrity, Relational Databases, Database Design, Database Schema, Software Debugging, Programming Tools, Document Management Systems, Disaster Recovery, HP Systems Insight Manager, PostgreSQL, Software Maintenance, Query Optimization, Azure Active Directory, Standard Sql, Software Engineering, TypeScript, Data Import/Export, ReactJS, Delivery Pipeline, Software Security, Indexer, Backend, Git, Vue.js, Database Migration, AngularJS, Information Technology, Codebase, Front End Software Development, Database Rules and Triggers, Code Restructuring, Software Version Control, Service Stack - **Published:** October 25, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ffac9d39ed697a2c ## About the Role This person must be comfortable evaluating an existing codebase, improving established software, and designing new systems. This is a senior, hands-on engineering role requiring demonstrated experience delivering and maintaining production business applications. The engineer will work closely with the Supply Chain & Operations Software Manager, who will identify operational needs and establish priorities. The engineer will own technical implementation, communicate tradeoffs, and deliver reliable software in manageable phases., * 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., * 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. Security Clearance Requirement: Employment in this position is contingent upon the ability to obtain and maintain a U.S. government security clearance at the Secret level. Applicants must be U.S. citizens and willing to complete the required background investigation and government adjudication process. An active clearance is not required at the time of application; however, failure to obtain or maintain the required clearance may result in withdrawal of an employment offer or termination of employment. Clearance eligibility is determined solely by the U.S. government. ## Description * 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.