Principal Software Engineer – .NET, AWS & RFID

Principal Software Engineer Reports To: Director of Engineering, Delivery, and Data Analytics Work Authorization Requirement: Must be a U.S. Citizen or a green card holder. Candidates requiring current or future visa sponsorship (including H-1B, TN, OPT/CPT, or other employment authorization sponsorship) are not eligible for this position. Location: Must live within 90 minutes of Richardson, TX able to commute into the office at least twice a week. About the Role We are seeking an experienced Principal Software Engineer to support one of our manufacturing clients. This is a senior, hands-on technical leadership opportunity for an engineer who thrives at the intersection of software engineering, enterprise architecture, cloud technologies, integrations, and data. The ideal candidate is not only an exceptional software engineer but also a trusted technical leader who can influence architecture, establish engineering best practices, mentor other engineers, and translate complex business requirements into scalable, secure, and production-ready solutions. This role is ideal for someone who enjoys remaining hands-on with technology while operating at a Principal or Staff Engineer level. Enterprise Software Engineering & Delivery Lead the design, development, and delivery of complex enterprise applications and technical capabilities. Translate business and operational requirements into scalable, reliable, secure, and maintainable software solutions. Remain hands-on with development while providing technical direction across complex initiatives. Troubleshoot challenging application, integration, performance, and production issues. Drive modernization efforts across existing applications and technology platforms. Partner across engineering, delivery, data, and business teams to move solutions from concept through production. Application Architecture & Technical Leadership Design and influence modern enterprise application architecture and engineering standards. Evaluate technical approaches and recommend solutions based on scalability, maintainability, performance, security, and business requirements. Provide technical leadership across application development, integrations, cloud architecture, and data. Lead technical design and code reviews and identify opportunities for refactoring and modernization. Mentor engineers and elevate software engineering practices across the organization. Serve as a technical escalation point for complex engineering challenges. Help establish reusable patterns, frameworks, and development standards. .NET Development Design and develop enterprise applications using C# and .NET. Develop and integrate RESTful APIs and distributed application services. Apply object-oriented programming principles and secure coding practices. Design scalable microservices and distributed systems. Improve existing applications through modernization, refactoring, and performance optimization. Support automated testing and software quality initiatives. Cloud, DevOps & Modern Engineering Design and support cloud-native applications and services, preferably within AWS environments. Work with modern CI/CD practices, automated deployments, containers, and Infrastructure as Code. Improve application observability, reliability, scalability, and production support capabilities. Contribute to event-driven and asynchronous system architectures. Work with messaging and streaming technologies such as Kafka or similar platforms. Enterprise Integrations & Data Design integrations between enterprise applications, manufacturing systems, cloud platforms, APIs, and data environments. Work with relational and NoSQL databases and contribute to effective data architecture and modeling. Support high-volume data processing and real-time or near-real-time system integrations. Optimize database performance, queries, indexing, and overall application performance. Partner with data and analytics teams to ensure applications and integrations support broad…

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