Software Engineer II

OneStream Software; Birmingham (MI); On-site; USD 114,000 - 148,000; Full time

Benefits offered by this job

Medical Plan

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Vacation Time

Paid Holidays

Professional Development

Retirement Plan

Job summary

OneStream Software is seeking a Software Engineer II to design, build, and extend solutions within the OneStream platform. You will work with architects, finance systems experts, and business analysts to deliver high-quality applications that drive financial consolidation, reporting, and analytics.

This role blends hands-on coding with mentoring and system-level thinking, requiring strong C#/.NET skills, knowledge of Microsoft technologies, and a collaborative mindset to advance the platform and

Qualifications

• Bachelor's degree or equivalent practical experience.
• 3+ years of software development with C#/.NET and Microsoft ecosystems.
• 1-2 years of hands-on OneStream development (business rules, dashboards, workflows, data management).
• Strong relational database experience (SQL Server, Oracle) and data integration (APIs, ETL, REST, OData).
• Proficiency in unit testing, code reviews, and Agile development.
• Strong OOP and design pattern knowledge.
• Familiarity with Agile/Scrum methods and cloud concepts.

Responsibilities

• Design, build, and maintain robust, scalable applications using C#, .NET Framework/.NET Core and Microsoft technologies.
• Develop and execute unit tests; participate in code reviews to ensure high-quality, maintainable code.
• Collaborate with product managers, architects, and QA to deliver end-to-end software solutions.
• Integrate and enhance systems within the OneStream ecosystem for production.
• Troubleshoot complex issues in OneStream platform, data integrations, and performance.
• Provide maintenance, support, and enhancements for existing solutions, APIs, and cloud.
• Contribute to DevOps initiatives including CI/CD pipelines, version control, and deployment automation.
• Engage in research to define and scope new features and solutions.
• Mentor and support junior engineers, sharing best practices and promoting technical excellence.

Skills

C#/.NET development

Unit testing

Agile/Scrum

Cloud concepts (Azure)

DevOps CI/CD

Communication skills

Education

Bachelor's degree in Computer Science or related field

Tools

OneStream development

SQL Server/Oracle

Job description

At OneStream, we're on a mission to empower every Finance organization and professional to exceed their potential. Our global teams span continents, cultures, and time zones, united by a shared purpose as we build the operating system for modern Finance and help organizations move with greater speed, clarity, and confidence.

That mission comes to life through our people. Behind every innovation, customer success, and milestone are talented people working together to make a difference. That's why we’re looking for people who are bold enough to think big, authentic in how they lead and collaborate, curious about what's possible, and committed to delivering results.

Summary

Software Engineer II with strong C#/.NET development experience and a solid grasp of Microsoft technologies to help design, enhance, and extend solutions within the OneStream platform. This role works closely with architects, finance systems experts, and business analysts to deliver high-quality applications that drive financial consolidation, reporting, and analytics. This role blends hands‑on engineering with technical mentorship, ideal for someone who can balance deep coding skills with collaboration and system‑level thinking.

Primary Duties and Responsibilities

• Design, build, and maintain robust, scalable applications using C#, .NET Framework, and related Microsoft technologies.
• Develop and execute unit tests and participate in code reviews to ensure high-quality, maintainable code.
• Collaborate with product managers, architects, and QA engineers to deliver end-to-end software solutions.
• Integrate and enhance systems within the OneStream ecosystem for production.
• Troubleshoot complex issues within the OneStream platform, data integrations, and performance optimization.
• Provide ongoing maintenance, support, and enhancements for existing solutions, APIs, and cloud.
• Contribute to DevOps initiatives including CI/CD pipelines, version control, and deployment automation.
• Engage in research activities to define and scope new features and solutions.
• Mentor and support junior engineers, sharing best practices and promoting technical excellence.

Required Education and Experience

• Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
• 3+ years of software development experience with strong proficiency in C#, .NET Core/Framework, and Microsoft ecosystems.
• 1-2 years of hands‑on OneStream development experience, including business rules, dashboards, workflows, data management, and cube design.
• Solid understanding and experience with relational databases, including SQL Server and Oracle, and data integration techniques, including APIs, ETL, REST, and OData.
• Proficiency in unit testing, code review practices, and agile development methodologies.
• Strong understanding of object-oriented programming.
• Familiar with various design and architectural patterns.
• Experience with Agile/Scrum Development Methodologies.
• Ability to analyze and communicate technical issues, lead discussions, and influence decisions.
• Understanding of cloud concepts including elasticity, security, and identity management.

Preferred Education and Experience

• Experience with technologies such as Azure SQL, Cosmos DB, Data Lake, Storage, including table, queue, and blob; Azure Application Insights; Dynatrace; Blazor; Angular; React; and Azure compute/hosting technologies such as Azure Functions, Container Apps, Batch, and Kubernetes Service.
• Experience mentoring junior developers or leading small technical initiatives.
• Familiarity with CI/CD pipelines and automated testing strategies.
• Hands‑on experience with Microsoft SQL Server, REST APIs, and related ecosystem tools.
• Solid understanding of object-oriented design, software patterns, and unit testing frameworks, such as MSTest, NUnit, or xUnit.
• Familiarity with source control systems, such as Git and Azure DevOps.
• Experience with OneStream or CPM platforms, such as Hyperion and Anaplan, is a plus.
• Skills and certifications.
• Any relevant certification, such as Microsoft Certified: Azure Developer Associate, Azure Solutions Architect, Microsoft Certified: Azure DevOps Engineer Expert, etc.

Knowledge, Skills, and Abilities

• Deal well with ambiguous/undefined problems; ability to think abstractly.
• Proven analytical and problem‑solving skills.
• Ability to multitask a variety of projects.
• Passion for technology and learning.
• Self‑motivated, self‑starter.
• Strong communication skills and ability to collaborate effectively in a team‑oriented environment.

Benefits at OneStream

• Excellent Medical Plan
• Dental & Vision Insurance
• Life Insurance
• Short & Long Term Disability
• Vacation Time
• Paid Holidays
• Professional Development
• Retirement Plan

Total compensation is based on experience, skills, and location using objective, job‑related criteria. Additional variable compensation and benefits may apply.

Gross annual base salary $114,000 – $148,000 USD

All candidates must be legally authorized to work for any company in the country where this position is located without sponsorship.

OneStream Software is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race,color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable local laws, regulations, and ordinances.

If you need assistance and/or a reasonable accommodation during the application process, reach out to [e-mail].

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