About NCR VOYIX
Principal Software Engineer - Legacy Modernization (Warehouse Management Platform)
Role Overview
We are seeking a Principal Software Engineer (12+ years experience) to lead the modernization of a mission-critical Warehouse Management System from AS/400 to a modern architecture based on React, Go, PostgreSQL, APIs, and microservices.
The platform supports end-to-end warehouse operations including receiving, inventory management, picking, packing, shipping, and cycle counting, along with business-critical functions such as Purchase Orders, Sales Orders, Payments, and General Ledger integrations.
The ideal candidate is a hands-on technical leader with deep experience in enterprise modernization, distributed systems, and AI-accelerated software development using tools such as Claude, GitHub Copilot.
Key Responsibilities
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Lead the modernization of legacy AS/400 applications to a modern cloud-ready architecture.
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Analyze and translate complex legacy business logic into scalable services and modern user experiences.
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Design and develop solutions using Go, React, PostgreSQL, APIs, and microservices.
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Define architecture, integration patterns, data migration strategies, and engineering standards.
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Drive AI-assisted development practices to improve productivity, code quality, testing, documentation, and delivery speed.
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Partner with product, business, and engineering teams to modernize warehouse and finance-related workflows.
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Mentor senior engineers and provide technical leadership across multiple teams.
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Ensure solutions meet requirements for scalability, performance, security, and maintainability.
Required Qualifications
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12+ years of software engineering experience with significant enterprise application development expertise.
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Proven experience modernizing legacy platforms such as AS/400, RPG, COBOL, or other monolithic systems.
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Strong hands-on expertise in:
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Go/Golang
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React
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PostgreSQL
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REST APIs
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Microservices
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CI/CD and DevOps practices
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Experience with large-scale data migration and system integration initiatives.
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Strong understanding of warehouse, supply chain, inventory, or order management systems.
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Experience leveraging AI development tools such as Claude, GitHub Copilot, Cursor, or ChatGPT.
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Excellent architecture, problem-solving, stakeholder management, and mentoring skills.
Preferred Qualifications
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Experience with Warehouse Management Systems (WMS), logistics, distribution, or supply chain platforms.
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Knowledge of financial processes such as Purchase Orders, Sales Orders, Payments, and General Ledger integrations.
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Familiarity with AS/400 DB2, RPG, batch processing, and legacy modernization patterns.
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Experience with cloud-native architectures, containers, observability, and event-driven systems.
Offers of employment are conditional upon passage of screening criteria applicable to the job
EEO Statement
Integrated into our shared values is NCR Voyix’s commitment to equal employment opportunity. All qualified applicants will receive consideration for employment without regard to sex, age, race, color, creed, religion, national origin, disability, sexual orientation, gender identity, veteran status, military service, genetic information, or any other characteristic or conduct protected by law. NCR Voyix is committed to being a globally inclusive company where all people are treated fairly, recognized for their individuality, promoted based on performance and encouraged to strive to reach their full potential. We believe in understanding and respecting differences among all people. Every individual at NCR Voyix has an ongoing responsibility to respect and support a globally diverse environment.
Statement to Third Party Agencies
To ALL recruitment agencies: NCR Voyix only accepts resumes from agencies on the preferred supplier list. Please do not forward resumes to our applicant tracking system, NCR Voyix employees, or any NCR Voyix facility. NCR Voyix is not responsible for any fees or charges associated with unsolicited resumes
“When applying for a job, please make sure to only open emails that you will receive during your application process that come from a @ncrvoyix.com email domain.”
