Software Engineer II

OneStream; United States; On-site; USD 114,000 - 148,000; Full time

Benefits offered by this job

Excellent Medical Plan

Life Insurance

Vacation Time

Professional Development

Job summary

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

The role blends hands-on coding with mentorship, balancing deep technical skills with collaboration and system-level thinking. Strong MS tech proficiency is required, with opportunities to influence product direction.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).
• 3+ years of software development with C#, .NET Core/Framework, and Microsoft ecosystems.
• 1–2 years of hands-on OneStream development experience (business rules, dashboards, workflows, data management, cube design).
• SQL Server/Oracle experience and data integration (APIs, ETL, REST, OData).
• Proficiency in unit testing, code reviews, and Agile development.

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 for high-quality 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 within the OneStream platform, data integrations, and performance.
• Provide maintenance, support, and enhancements for APIs and cloud solutions.
• Contribute to DevOps initiatives including CI/CD pipelines, version control, and deployments.
• Mentor junior engineers and promote technical excellence.
• Engage in research to scope new features and solutions.

Skills

C#

.NET

Microsoft technologies

Unit testing

Agile/Scrum

Education

Bachelor’s degree in Computer Science or Software Engineering

Tools

Azure SQL

Cosmos DB

Data Lake

REST APIs

Azure Functions

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.

Want a closer look before you apply? Explore our Careers site to learn more about our people, culture, and benefits.

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
OneStream employees are passionate, hardworking individuals who go above and beyond to keep our customers happy and follow through on our mission statement. They consistently deliver the best and in turn, we make every effort to keep them cared for and happy. A sample of the benefits we provide are:

• Excellent Medical Plan


• 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.

OneStream may use the personal information you provide to process your application and contact you, in accordance with applicable privacy laws such as the CCPA and GDPR. For more information about how we handle your personal information, please review OneStream's Privacy Policy .

Emails about job opportunities at OneStream are only sent by employees with an @onestreamsoftware.com email address. Reach out to your contact at OneStream if you suspect a phishingscam.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in OneStream’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service‑connected disability.

A "recently separated veteran" means any veteran during the three‑year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.