Senior Software Engineer I

OneStream Software

Posted 1mo ago

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Design, develop, and maintain complex software features and services
Lead implementation efforts for moderately to highly complex features
Drive technical design discussions and contribute to architectural decisions
Build and maintain user interface solutions using modern UI frameworks
Make and defend technical decisions within owned areas
Ensure JSON and XML data contracts, schemas, and integrations are well designed and documented
Design and evolve APIs, SDKs, and extensibility mechanisms
Identify opportunities to improve system performance, reliability, and developer productivity
Lead and participate in formal code reviews
Mentor and support Software Engineers through guidance on design and coding standards
Collaborate cross-functionally to translate business requirements into technical solutions
Contribute to CI/CD improvements, automation, and testing strategies
Own complex features and components end to end
Use AI-assisted development tools to accelerate development and refactoring
Partner with peers to diagnose and resolve production issues

Bachelor’s degree in Computer Science, Engineering, or related field or equivalent experience
5-8 years of professional software development experience
Strong proficiency in C#
Strong proficiency in .NET and ASP.NET
Experience building user interfaces with Angular, React, Blazor, or WPF
Deep understanding of RESTful API design and service-oriented architectures
Experience designing, maintaining, and evolving JSON contracts in enterprise applications
Experience with performance tuning, memory management, and SQL query optimization
Strong experience with Git-based workflows and CI/CD pipelines
Experience reviewing unit tests and ensuring adequate test coverage

Experience building extensible platforms, frameworks, or SDKs
Familiarity with SaaS architectures, distributed systems, or multi-tenant applications
Experience with deployment automation and DevOps practices
Domain experience in financial systems, EPM, or CPM solutions
Azure experience and/or relevant Azure certifications

Skills