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Senior Software Engineer (Contractor)

Proto Labs, Inc.
United States, Minnesota, Maple Plain
Sep 26, 2025
Be yourself at Protolabs
Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. We are an equal opportunity employer, and we are committed to building a diverse team that feels they are valued in the workplace. So do you feel you do not meet every single requirement but still intrigued? We encourage you to still apply! You can help make our company even better. We do not discriminate based on race, color, national origin, sexual orientation, gender, age, mental or physical ability, or any way you represent yourself. We strongly believe diversity makes for more successful teams.
Why Protolabs?
We are the leaders in digital manufacturing. We hire doers, makers, and creative thinkers who tackle our roles with an entrepreneurial spirit. Our culture is centered around meaningful work that brings new and innovative products to market at unprecedented speeds. We are a diverse team that comes from all walks of life and take pride in our team who is smart, genuine, humble, and passionate about what we do. It's our people who fuel our creativity and make our culture feel like home.
We are looking for a Software Developer (Contractor) to join our team in MN.
This is a hybrid role, with Wednesdays in the office
Join the Protolabs development team responsible for the systems that support sales orders and financial operations. You'll own technical design, implementation, and integration work that touches sales orders, payments, tax, invoicing, banking, and other financial processes. The environment today is centered on Microsoft Dynamics AX with a set of integrations to our custom commerce and manufacturing platforms. This role will drive consolidation and modernization as we upgrade to Microsoft Dynamics 365 Finance & Operations (D365 F&O).

What you'll do
  • Own code and data upgrade activities from AX 2012 to D365 F&O
  • Redesign over-layered customizations using extensions; migrate and optimize SSRS reports
  • Build scalable integrations with OData, DMF/DIXF, recurring jobs, and Azure Service Bus
  • Implement and maintain CI/CD using Azure DevOps; manage deployable packages and LCS assets/environments
  • Establish automated testing with RSAT and unit tests
  • Partner with Finance, Supply Chain, Manufacturing, and QA; mentor developers; produce clear documentation and runbooks
What it takes
  • 7+ years software development
  • 3+ years Microsoft Dynamics AX 2012 development (X++, MorphX, AIF, ISVs)
  • 3+ years D365 F&O development
  • .NET development experience
  • At least one end-to-end AX 2012 D365 F&O upgrade in a highly customised environment
  • Deep experience with DIXF/DMF, OData, SSRS report development, and troubleshooting
  • Experience with Azure DevOps (Repos, Pipelines), Git, and LCS (asset library, environment management); deployable packages and branching strategies
  • Manufacturing and supply chain experience, specifically in some of: WHS advanced warehousing, lean manufacturing (Kanban/production flows), discrete manufacturing, order management, inter company trade, inventory, and shipping/carrier integrations
  • Excellent communication skills and ability to lead technical design sessions and mentor others
Preferred Qualification
  • Power Platform/Dataverse, Dual-write familiarity
  • Azure Service Bus; REST/JSON integration design
  • RSAT automation and Task Recorder/BPM usage
  • Security design
  • Experience integrating ERP with MES, EDI, labeling/barcoding, scanners/mobile workflows
  • Bachelor's degree in CS/Engineering or equivalent experience; Microsoft certifications (MB-300/MB-500) a plus
Tech stack
  • X++, Visual Studio, D365 F&O, SSRS
  • .NET, ASP.NET, C#
  • Azure DevOps (Repos, Boards, Pipelines), Git
  • SQL Server/T-SQL, DMF/Data entities, OData
  • Azure Service Bus, REST/JSON
Protolabs offers a competitive total rewards package, and compensation mix vary based on position, such as base wage, as well as other earnings including incentives and commissions. Actual pay offered will vary depending on multiple factors which may include, without limitation, job function, work experience, specialized skills, training, education, and certifications.
Proto Labs maintains ITAR-compliant operations in all of our United States based facilities. Due to ITAR regulations, this role is only open to U.S. Citizens, lawful permanent residents (green card holders) or foreign nationals granted refugee or asylee status. Individuals with temporary visas (e.g. E, F-1, H-1, H-2, L, B, J, TN or OPT) are not eligible for hire in this role.
Proto Labs, Inc. is an Equal Opportunity Employer
Physical Demands:
While performing the essential duties of this job, the employee is regularly required to sit; use a computer keyboard, monitor and mouse, telephone and printer; reach with hands, and arms, talk, see and hear. The employee is occasionally required to stand, walk, stoop or kneel and must occasionally lift and/or move up to 25 pounds.
Work Environment:
Indoors (A/C); nonsmoking; the majority of this job function is performed in an office setting requiring normal safety precautions. However, there may be job duties that require the employee to spend time in the manufacturing areas exposed to machinery and noise; eye protection occasionally required. Occasionally works in outside weather conditions. Occasionally works near moving mechanical parts and in high, precarious places and is occasionally exposed to wet and/or humid conditions, fumes or airborne particles, toxic or caustic chemicals, risk of electrical shock and vibration. The noise level in the work environment is usually quiet to moderate.
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