Software Engineer I

OneStream Software delivers a unified Corporate Performance Management platform for the financial, operational, and analytical needs of large enterprises. The Software Engineer designs, develops, tests, and maintains software components, owns assigned features through the software development lifecycle, and collaborates with engineering, Product, and Quality Assurance teams to deliver reliable solutions.

Responsibilities:

• Design, develop, test, and maintain high-quality software components within OneStream solutions
• Implement features using established design patterns and best practices under guidance from senior engineers
• Contribute to UI development using modern UI frameworks including Angular, React, and Blazor
• Develop and integrate APIs and services following RESTful standards and practices
• Write clean, maintainable, and well-documented code with appropriate unit test coverage
• Use AI-assisted development tools to accelerate development, refactoring, test creation, and documentation, while validating AI-generated output for correctness, security, and architectural alignment
• Participate in peer code reviews to improve code quality and consistency
• Assist in diagnosing, debugging, and resolving software defects across development and test environments
• Collaborate with Product, QA, and other engineering team members to deliver features that meet functional and quality expectations
• Follow established SDLC, security, and compliance protocols

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience
• 2–4 years of professional software development experience
• Experience with object-oriented programming and the Microsoft technology stack, including C#, .NET, and ASP.NET
• Basic experience with modern UI frameworks such as Angular, React, Blazor, and WPF
• Familiarity with data formats and markup languages such as JSON and XML
• Working knowledge of relational databases and SQL fundamentals
• Experience using source control systems (Git) and participating in CI/CD workflows
• Ability to write and review unit tests to validate functionality
• Solid understanding of software development fundamentals and object-oriented design
• Ability to learn new technologies and frameworks quickly
• Strong problem-solving and debugging skills
• Effective written and verbal communication skills
• Ability to work collaboratively in a team-oriented environment
• Attention to detail and commitment to code quality
• All candidates must be legally authorized to work for any company in the country where this position is located without sponsorship
• Experience building enterprise or platform-oriented applications
• Familiarity with cloud‑hosted or SaaS‑based systems
• Introductory experience with automated testing practices
• Azure Fundamentals or entry-level Azure certification