Software Developer/Configurator - OneStream/EPM Development

General Motors Company; Warren (MI); Hybrid; USD 90,000 - 150,000; Full time

Job summary

General Motors Company is seeking a hands-on Software Developer/Configurator to design, develop, test, implement, and support OneStream/EPM applications and related software solutions. The role covers the full software development lifecycle from analysis to post-implementation support.

The candidate should have 5+ years of software development experience, strong C# and VB.NET skills, and familiarity with finance planning processes.

Qualifications

• Bachelor's degree in STEM, computer science, information technology, or related field.
• 5+ years of overall experience in planning development, software development, or a related technical discipline.
• Nice to have hands-on OneStream application development experience.
• Proficient in reading, writing, debugging, and supporting C# and VB.NET code.
• Familiar with object-oriented design, coding standards, testing, version control, and technical documentation.
• Knowledge of finance planning and consolidation processes.
• Experience with OneStream, Oracle, Hyperion, Hyperion Planning, PBCS, EPBCS, or Essbase.
• Experience with VBA and finance data warehouse analytics.
• Knowledge of SAP, GitHub, Azure Databricks, and Power BI.

Responsibilities

• Design, develop, test, deploy, and maintain OneStream applications, customizations, integrations, and supporting software components.
• Write, enhance, debug, and optimize production-quality code using C#, VB, and VB.NET.
• Translate business and finance-planning requirements into technical designs, development tasks, and reliable software solutions.
• Build reusable, flexible, and globally compatible frameworks and components for EPM solutions.
• Participate in the full development lifecycle, including requirements analysis, technical design, coding, code review, testing, deployment, documentation, and post-implementation support.
• Investigate defects and production issues, identify root causes, and implement durable fixes and performance improvements.
• Collaborate with functional teams, project managers, and stakeholders to deliver high-quality solutions.
• Contribute to coding standards, development methodologies, technical documentation, test plans, and knowledge-sharing.
• Provide technical guidance and mentorship to other developers while promoting clean code and effective testing.

Skills

C# programming

VB.NET

OO design

Testing & debugging

Code reviews

Education

B.S. in STEM/CS/IT

Tools

OneStream

SAP

GitHub

Azure Databricks

Power BI

Job description

The Role

General Motors is seeking a hands-on Software Developer/Configurator to design, develop, test, implement, and support OneStream/EPM applications and related software solutions. This role is ideal for a developer who enjoys turning business requirements into maintainable, scalable technology and who can contribute across the full software development lifecycle.

What You'll Do

• Design, develop, test, deploy, and maintain OneStream applications, customizations, integrations, and supporting software components.
• Write, enhance, debug, and optimize production-quality code using C#, VB, and VB.NET. Apply sound object-oriented programming and software engineering practices.
• Translate business and finance-planning requirements into technical designs, development tasks, and reliable software solutions.
• Build reusable, flexible, and globally compatible frameworks and components that improve the maintainability and scalability of EPM solutions.
• Participate in the full development lifecycle, including requirements analysis, technical design, coding, code review, testing, deployment, documentation, and post-implementation support.
• Investigate defects and production issues, identify root causes, and implement durable fixes and performance improvements.
• Collaborate with functional teams, project managers, and stakeholders to deliver high-quality solutions and support business adoption.
• Contribute to coding standards, development methodologies, technical documentation, test plans, and knowledge-sharing activities.
• Provide technical guidance and mentorship to other developers while promoting clean code, effective testing, and continuous improvement.

Required Qualifications

• Bachelor's degree in STEM, computer science, information technology, or related field.
• 5+ years of overall experience in planning development, software development, or a related technical discipline.
• Nice to have hands-on OneStream application development experience.
• Professional software development experience with C# and VB.NET. Candidates should be comfortable with reading, writing, debugging, enhancing, and supporting code in these languages.
• Working knowledge of software development fundamentals, including object-oriented design, coding standards, testing, troubleshooting, version control, and technical documentation.
• Extensive knowledge of finance planning and consolidation processes.
• Nice to have experience with enterprise planning and EPM technologies such as OneStream, Oracle, Hyperion, Hyperion Planning, PBCS, EPBCS, or Essbase.
• Experience with VBA and finance data warehouse analytics.
• Knowledge of SAP, GitHub, Azure Databricks, and Power BI.
• Ability to develop reusable, flexible, and globally compatible technical frameworks and architecture.

Preferred Qualifications

• Experience delivering software enhancements, integrations, and customizations in OneStream or comparable EPM platforms.
• Demonstrated ability to design and lead implementations of maintainable solutions in C# and VB.NET.
• Experience participating in code reviews, automated or structured testing, release activities, and production support.
• Strong problem-solving, analytical, communication, and collaboration skills.
• Experience in IDE/AI tools (like Cursor, GIT HUB COPILOT, Glean, Claude).
• Ability to work independently, contribute as part of a cross-functional team, and mentor junior developers.
• Ability to deliver quality software solutions in a dynamic environment with challenging timelines.

Who You Are

A developer who enjoys solving complex problems with clean, practical, and maintainable code. Curious, resourceful, and willing to work across application development, troubleshooting, support, and stakeholder collaboration. Comfortable learning new technologies and applying software engineering practices in an enterprise EPM environment. A team player who communicates clearly and takes ownership of delivering reliable solutions.

GM does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need GM immigration sponsorship now or in the future. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H1-B, OPT, STEM OPT, CPT, TN, J-1, etc).

This role is categorized as hybrid. This means the selected candidate is expected to report to a specific location at least 3 times a week (or other frequency dictated by their manager).

This job is not eligible for relocation benefits. Any reloca