Remote Full Stack Php Developer Jobs in Fontana, CA

About Parsec 

Parsec Automation, LLC is a global leader in manufacturing operations management software. Recognized by Gartner, IDC, and numerous industry awards, Parsec's flagship MES platform,TrakSYS,powers efficiency, quality, and compliance improvements at over 11,000 plants across 140+ countries. Manufacturers such as Johnson & Johnson, Merck, Toyota, Procter & Gamble, Hershey, Siemens, and DuPont rely on TrakSYS to manage complex operations with clarity and precision. 

Parsec is backed by BVP Forge, part of the $20B Bessemer platform, known for supporting category-defining companies such as LinkedIn, Procore, Shopify, and Toast. 

About the Role 

We're looking for a Software Engineer II (AI Focus) to help build and expand AI capabilities within our core platform. 

This role is hands-on and focused on implementing production-ready AI features, including agent-based workflows and integrations with LLM providers. You'll work within a Microsoft-based, on-prem environment and contribute to building AI functionality that is secure, scalable, and reliable in real-world manufacturing settings. 

You'll partner with senior engineers and product teams to deliver AI-powered features, while continuing to grow your experience in modern AI systems and enterprise software development. 

Key Responsibilities 

Quality, Security & Reliability 

• Follow secure development best practices, including least privilege and data protection 

• Implement validation, error handling, and safe access patterns 

• Contribute to logging, monitoring, and observability for AI features 

• Support testing efforts including: 

• Unit and integration testing 

• Validation of AI and tool interactions 

Team Collaboration & Growth 

• Work closely with senior engineers to implement AI features aligned to product requirements 

• Participate in code reviews, design discussions, and team collaboration 

• Assist with troubleshooting and support for AI-related functionality 

• Continue developing skills in AI technologies, the TrakSYS platform, and manufacturing systems 

AI Development & Implementation 

• Build AI capabilities within a Microsoft-based stack (ASP.NET, .NET services, SQL Server) 

• Implement agentic workflows, including agent runtimes and orchestration logic 

• Develop services that manage: 

• Conversation and task state  

• Tool execution and routing  

• Retries, timeouts, and execution limits 

• Integrate with LLM providers (OpenAI, Anthropic, etc.), including tool/function calling patterns  

• Contribute to building and maintaining tool integrations, including: 

• SQL Server queries and stored procedures 

• Internal APIs and services 

• File/report generation systems

Required Qualifications 

• 3-5+ years of software development experience 

• Experience with .NET (C#, ASP.NET) 

• Familiarity with API design and integration (REST, JSON, etc.) 

• Experience with SQL Server or similar relational databases  

• Understanding of software development best practices (testing, debugging, version control) 

• Exposure to agentic AI systems, MCP, or similar tool/plugin frameworks  

• Experience integrating with LLM APIs or working with AI/ML-powered features 

• Bachelor's degree in Computer Science, Engineering, Information Technology, or a related field, or equivalent practical experience 

Preferred Qualifications 

• Familiarity with Azure OpenAI or other LLM platforms  

• Experience with Semantic Kernel or similar frameworks  

• Experience working in enterprise or on-prem environments  

• Exposure to manufacturing or MES systems 

Benefits 

• $145,000 to $165,000 annual salary 

• Variable Bonus based on company and individual performance

• Hybrid work schedule (3 days in office / 2 days remote)

• 401(k) with company match 

• 100% company-paid health insurance premiums for employees 

• Flexible vacation / PTO 

• Flexible Spending Account (FSA) plan available for eligible healthcare and dependent care expenses 

• Outstanding team environment