Description Position Overview The Senior Sage 300 Developer is a senior specialist IC role aligned with the Senior Software Engineer level. This role owns the full Sage 300 ERP ecosystem — custom development, complex int…
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$130k–$135k/yr
Full-time
bachelor degree
Posted 3d ago
~40 hrs/week
Responsibilities
The Senior Sage 300 Developer is responsible for designing, developing, and maintaining custom ERP solutions, including integrations and database optimizations. They will also provide technical leadership, mentor junior staff, and ensure the reliability of the Sage 300 ecosystem.
Requirements
Candidates must have a bachelor's degree in a technical field and at least 7 years of professional software development experience with Sage 300 ERP. Proficiency in VB6, C#/.NET, Python, and Microsoft SQL Server is required, along with experience in enterprise-level system integrations.
Full job description
Description
Position Overview
The Senior Sage 300 Developer is a senior specialist IC role aligned with the Senior Software Engineer level. This role owns the full Sage 300 ERP ecosystem — custom development, complex integrations, SQL database design, and business reporting — bridging legacy VB6 and modern C#/.NET environments. The ideal candidate takes full end-to-end ownership of deliverables, combines deep technical expertise with strong cross-functional collaboration, and consistently delivers reliable, high-quality ERP solutions that drive operational efficiency and business success.
Our Hybrid Work Program: To create vibrancy and foster collaboration, while providing for hours spent working from home, we have implemented a hybrid work schedule. We work from the office in Poway on Monday, Tuesday, Wednesday and Thursday. Fridays are spent working from home. Team members can always work more hours in the office, if they choose.
Key Responsibilities
Design, develop, test, deploy, and support custom Sage 300 ERP solutions — including macros, customizations, and enhancements.
Build and maintain .NET applications using the Sage 300 COM API; develop Python-based solutions within Orchid Extender and related frameworks.
Maintain, enhance, and support existing VB6 components; migrate to .NET where appropriate and feasible.
Design and support complex integrations between Sage 300 and third-party systems — including CRM, eCommerce, WMS, shipping, payment gateways, and cloud services — using REST APIs, Swagger/OpenAPI, and data synchronization technologies.
Design, optimize, and maintain Microsoft SQL Server databases including stored procedures, views, functions, and complex queries with a focus on performance tuning.
Build and maintain custom reports, dashboards, and BI solutions using Crystal Reports and Sage Intelligence.
Collaborate with cross-functional teams — including business stakeholders, finance, operations, IT, and vendors — to gather requirements, define solutions, and drive effective delivery.
Participate in solution architecture discussions and provide practical, scalable technical recommendations aligned with business needs.
Conduct code reviews, mentor junior developers, and uphold development standards and best practices.
Identify and implement opportunities for automation, process improvement, and system optimization.
Maintain clear technical documentation, integration specifications, and support documentation.
Provide production support, resolve critical business issues, and take full ownership of deliverables from design through post-production.
Stay current with Sage 300 technologies, integration tools, and industry best practices.
Requirements
Minimum Qualifications
Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
7+ years of professional software development experience with significant, hands-on Sage 300 ERP expertise — including expert-level knowledge of the COM API, Web APIs, and core ERP architecture and modules.
Advanced proficiency in VB6 (legacy maintenance), C# / .NET Framework (new development), and Python for Orchid Extender and Sage 300-related frameworks.
Advanced expertise in Microsoft SQL Server, T-SQL, stored procedures, and database design, with a strong foundation in software architecture, integration methodologies, and performance optimization.
Proven experience designing and delivering enterprise integrations between Sage 300 and third-party systems — including CRM, eCommerce, WMS, shipping, financial, and payment platforms — using REST APIs, Swagger/OpenAPI, and data synchronization technologies.
Experience building custom reporting and BI solutions using Crystal Reports and/or Sage Intelligence.
Strong cross-functional collaboration and communication skills with both technical and non-technical stakeholders.
Preferred: Experience in manufacturing, distribution, wholesale, or retail ERP environments; familiarity with cloud platforms, modern integration architectures, source control (Git), and VB6-to-.NET migration.
Technical Skills
Sage 300 ERP: COM API, Web APIs, Macros, Orchid Extender — expert level; custom reporting and BI using Crystal Reports and Sage Intelligence.
Database: Microsoft SQL Server, T-SQL, stored procedures, views, performance tuning, and database design.
Integrations: REST APIs, Swagger/OpenAPI, JSON, XML, third-party APIs, and data synchronization technologies.
Tools & Practices: Source control (Git preferred), CI/CD familiarity, and technical documentation.
Leadership & Soft Skills
Ownership & Accountability: Takes end-to-end responsibility for deliverables, consistently delivering high-quality, scalable, and maintainable solutions with minimal rework.
Technical Leadership: Mentors junior developers, drives engineering standards and best practices, and contributes to architectural decisions across the team.
Communication & Collaboration: Bridges technical and business audiences effectively — communicates clearly with stakeholders at all levels and works well across cross-functional teams.
Problem-Solving: Strong analytical mindset with the ability to translate complex business needs into practical technical solutions and proactively identify risks before they escalate.
Adaptability: Self-motivated and comfortable operating in legacy-modern hybrid environments, with a pragmatic approach to when to modernize vs. maintain and a continuous drive to learn new technologies.
At Chef Works, fashion is our passion. It’s why we’re the global leader in culinary and hospitality apparel with distribution in more than 80 countries.
But we’re just as committed to making garments that are durable and functional, which is why we’ve worked with industry leaders and culinary influencers for decades to make the gear that chefs, waitstaff and other hospitality workers crave.
Are you passionate, creative and like-minded? Connect with us!
Chef Works started as a uniform manufacturer for the coal mining industry in the 1960s. More than five decades later, our story continues to be written. Despite our growth, we’re still rooted in the same family-owned-and-operated charm and customer-focused principles we established all those years ago.
With a domestic headquarters in San Diego and corporate offices around the world, Chef Works has achieved an unrivaled, global reach. We’ve crafted line after line of apparel that is durable, functional and fashion-forward.
We dress a diverse range of clients, including back of the house, waitstaff, international hotel chains, award-winning restaurants and bars, culinary schools, food service companies, laundries, assisted-living facilities and upscale cinemas.
Try us on for size. We think you’ll find us to your taste.
Offices: 12325 Kerran Street, Poway, CA 92064, US
Innovative designProduct qualityFantastic customer serviceTimely order fulfillmentCulinary apparelChef CoatsChef Apronsand Front of House uniformsApparelManufacturing
At Chef Works, fashion is our passion. It’s why we’re the global leader in culinary and hospitality apparel with distribution in more than 80 countries.
But we’re just as committed to making garments that are durable and functional, which is why we’ve worked with industry leaders and culinary influencers for decades to make the gear that chefs, waitstaff and other hospitality workers crave.
Are you passionate, creative and like-minded? Connect with us!
Chef Works started as a uniform manufacturer for the coal mining industry in the 1960s. More than five decades later, our story continues to be written. Despite our growth, we’re still rooted in the same family-owned-and-operated charm and customer-focused principles we established all those years ago.
With a domestic headquarters in San Diego and corporate offices around the world, Chef Works has achieved an unrivaled, global reach. We’ve crafted line after line of apparel that is durable, functional and fashion-forward.
We dress a diverse range of clients, including back of the house, waitstaff, international hotel chains, award-winning restaurants and bars, culinary schools, food service companies, laundries, assisted-living facilities and upscale cinemas.
Try us on for size. We think you’ll find us to your taste.
Offices: 12325 Kerran Street, Poway, CA 92064, US
Innovative designProduct qualityFantastic customer serviceTimely order fulfillmentCulinary apparelChef CoatsChef Apronsand Front of House uniformsApparelManufacturing