> Markdown version of [/jobs/ext/3845151-principal-software-engineer-manufacturing-systems](https://www.wearedevelopers.com/jobs/ext/3845151-principal-software-engineer-manufacturing-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer, Manufacturing Systems - **Company:** Neros Technologies - **Location:** Torrance, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Audit Trail, Business Systems, Data Governance, Extract Transform Load (ETL), Serialization, Routing, Operational Data Store, Queueing Systems, Role-Based Access Control, Release Management, Software Construction, Software Engineering, Systems Integration, Enterprise Software Applications, Warehouse Management Systems, Backend, Event Driven Architecture, Build Management, Integration Frameworks, Software Coding, Software Usability - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_EAA271D46935A6688F46456A98EF186A ## About the Role 8+ years of professional software engineering experience, including significant backend, platform, internal tools, systems, or infrastructure work Experience designing, building, and shipping production software in ambiguous or fast-changing environments Strong hands-on coding ability and recent experience contributing to production systems Experience designing APIs, data models, service boundaries, integration patterns, and reliable system-to-system workflows Strong judgment around build-vs-buy decisions, technical tradeoffs, and long-term system maintainability Experience working with cross-functional stakeholders outside engineering, including operations, manufacturing, warehouse, supply chain, quality, finance, or business systems teams Ability to reason about permissions, auditability, traceability, genealogy, data ownership, error handling, observability, and supportability Ability to operate as the first senior technical leader in a new function: hands-on, practical, and comfortable without a large team around them Strong communication skills, including the ability to explain technical decisions clearly to non-technical stakeholders Ability to work onsite with operational teams and support a fast-moving manufacturing environment Nice To Have Experience with MES, manufacturing execution, shop-floor systems, QMS, WMS, ERP, CRM, or enterprise integrations Experience in hardware, aerospace, defense, robotics, drones, logistics, electronics, or high-volume manufacturing environments Experience with serialization, genealogy, traceability, routing, work orders, rework, material consumption, barcode scanning, or warehouse/manufacturing workflows Experience with workflow systems, audit trails, RBAC, event-driven systems, message queues, ETL/ELT, CDC, or integration platforms Experience building software in compliance-sensitive, audit-heavy, or regulated environments Experience leading or mentoring engineers without needing to move fully into people management ## Description Own technical architecture for internal manufacturing systems, MES workflows, integrations, and enterprise system boundaries Design and build production software for factory execution, including work orders, routing, material issue/consume, completion, serialization, genealogy, rework, and exception handling Define system boundaries across ERP, MES, QMS, CRM, internal applications, integrations, and operational data services Establish engineering standards for APIs, data models, permissions, audibility, observability, testing, release management, and operational reliability Build integration patterns that are reliable, supportable, and resilient to future system changes Partner directly with factory, quality, supply chain, warehouse, finance, and business systems stakeholders to translate operational complexity into simple, usable software Mentor future engineering hires and help shape the technical culture of the Manufacturing Systems team