Senior Software Engineer: Lead End-to-End, Scalable Features

OneStream Software; United States; On-site; USD 131,000 - 170,000; Full time

Benefits offered by this job

Excellent Medical Plan

Dental & Vision Insurance

Life Insurance

Disability Insurance

Vacation Time

Paid Holidays

Professional Development

Retirement Plan

Job summary

OneStream Software delivers a unified Corporate Performance Management (CPM) platform that serves large enterprises, with a focus on CFO-level workloads and highly regulated industries. The Senior Software Engineer designs and delivers complex features end-to-end, mentoring peers and owning production quality and APIs across OneStream solutions.

The role emphasizes scalable, maintainable software, modern UI development with Angular/React/Blazor/WPF, and a strong emphasis on architecture,

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field or equivalent experience.
• 4–10 years of professional software development experience.
• Strong proficiency in C#, .NET, and ASP.NET.
• Experience building UIs with Angular, React, Blazor, and WPF.
• Deep understanding of RESTful API design and SOA.
• Experience with JSON contracts in enterprise apps.
• Experience with performance tuning, memory management, and SQL optimization.
• Experience with Git-based workflows and CI/CD pipelines.
• Experience reviewing unit tests and ensuring coverage.

Responsibilities

• Design, develop, and maintain complex features and services within OneStream.
• Lead implementation efforts for moderately to highly complex features.
• Drive technical design discussions and align with platform standards.
• Build and maintain UI solutions using modern frameworks (Angular, React, Blazor, WPF).
• Design and evolve APIs, SDKs, and extensibility mechanisms.
• Improve system performance, reliability, and developer productivity.
• Mentor engineers and lead code reviews.
• Collaborate to translate business requirements into technical solutions.

Skills

C# / .NET

REST API design

UI frameworks

Git workflows

CI/CD pipelines

JSON contracts

SQL tuning

Mentoring engineers

AI-assisted development

Azure experience

Education

Bachelor's degree or equivalent

Tools

Angular

React

Blazor

WPF

Azure

Job description

OneStream Software delivers a unified Corporate Performance Management (CPM) platform that serves large enterprises, with a focus on CFO-level workloads and highly regulated industries. The Senior Software Engineer designs and delivers complex features end-to-end, mentoring peers and owning production quality and APIs across OneStream solutions.

The role emphasizes scalable, maintainable software, modern UI development with Angular/React/Blazor/WPF, and a strong emphasis on architecture,