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Role Description

OneStream Software delivers a unified Corporate Performance Management (CPM) platform designed to meet the complex financial, operational, and analytical needs of large enterprises. The OneStream Platform and Marketplace are built on a sophisticated technology stack that includes OLAP, multi-dimensional data models, distributed and multi-threaded services, modern web technologies, and SQL-based persistence, enabling high-performance, scalable solutions for the Office of the CFO.

• Provide technical leadership and strategic direction for the design and evolution of the OneStream platform and Marketplace solutions.
• Architect and implement highly complex, cross-cutting features that impact multiple teams and product areas.
• Define and promote engineering standards, best practices, and architectural patterns.
• Lead design reviews and act as a key decision-maker for major technical initiatives.
• Drive long-term platform scalability, performance, security, and maintainability.
• Guide the adoption of modern UI frameworks (Angular, React) alongside .NET-based UI technologies.
• Serve as a technical mentor and coach for Senior and Software Engineers.
• Provide architectural guidance on data modeling, serialization strategies, and API data contracts.
• Lead efforts to improve SQL performance, scalability, and reliability across platform and Marketplace solutions.
• Partner closely with Product, Architecture, and Engineering leadership to align technical solutions with business strategy.
• Evaluate and recommend new technologies to improve quality, productivity, and customer experience.
• Represent engineering in cross-functional discussions and, when necessary, executive-level presentations.
• Accountable for technical outcomes across multiple teams, ensuring solutions meet long-term scalability, reliability, and maintainability goals.
• Identify and mitigate systemic technical risks and drive strategies to reduce architectural complexity and technical debt.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience; advanced degree a plus.
• 10+ years of professional software development experience, with significant experience in enterprise or platform engineering.
• Expert-level proficiency in C#, VB.NET, .NET, ASP.NET, Blazor, and associated technologies.
• Extensive experience with UI technologies including Angular, React, WPF, XAML, and modern web standards.
• Deep expertise in software architecture, design patterns, and system integration.
• Strong experience with APIs, extensibility frameworks, and Marketplace-style ecosystems.
• Proven experience leading code reviews, technical design, and architectural initiatives.

Requirements

• Master’s degree in engineering or technology-related field (preferred).
• Experience defining and evolving large-scale platforms or developer ecosystems (preferred).
• Strong background in financial systems, EPM/CPM, or enterprise SaaS products (preferred).
• Experience with cloud-ready and SaaS-oriented architectures (preferred).
• Multiple Azure certifications or advanced Azure expertise (preferred).

Knowledge, Skills, and Abilities

• Exceptional architectural and systems-thinking capabilities.
• Ability to influence technical direction across teams without direct authority.
• Ability to proactively identify long-term architectural risks and guide the organization toward sustainable technical solutions.
• Expert-level understanding of data representation, transformation, and persistence in enterprise platforms.
• Ability to identify systemic data and SQL performance issues and drive long-term architectural solutions.
• Strong leadership, mentoring, and coaching skills.
• Excellent communication skills, including the ability to present to senior leadership.
• High degree of ownership, accountability, and strategic mindset.
• Passion for engineering excellence and continuous improvement.

Travel

Regular travel is not expected for this position.

Benefits

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