• Hands-on development, calibration, validation, and application of travel demand models (trip-based and/or activity-based) • Implement, enhance, and maintain travel-demand models • Apply and refine mode choice models and advanced discrete choice frameworks • Develop and apply dynamic traffic assignment (DTA) and multimodal modeling approaches • Contribute to or develop model components, tools, or extensions in C++ or other high-performance languages, as appropriate • Diagnose and resolve model and code issues, ensuring robust, efficient, and reproducible outputs • Support integration between modeling platforms, scripting environments, and core software components • Lead technical discussions with clients while remaining actively involved in analytical work • Provide technical mentorship through code reviews, modeling guidance, and collaborative problem-solving • Contribute to automation, performance optimization, and workflow improvements • Support proposal development and technical approach writing

• Perform and supervise NBIS Routine, Rope Access, or Underwater bridge inspections. • Inspect highway structures and assist in the design of small to large multi-discipline projects. • Perform bridge load ratings and rehabilitation recommendations based on observed conditions. • Travel up to 50% of each month.

• Ensure systems align with real-world production workflows, tools, and operational constraints. • Define domain-specific acceptance criteria and quality standards for outputs. • Identify workflow mismatches early and guide teams toward solutions that fit existing production environments. • Validate prototypes and systems within realistic production scenarios, including edge cases and constraints. • Provide actionable feedback on usability, quality, and workflow integration. • Ensure outputs align with established domain standards, including formats, conventions, and downstream requirements. • Contribute directly to the development of new applied ML capabilities through validation scripts, data preparation workflows, evaluation datasets, prototype utilities, model behavior analysis, and integration tooling. • Partner with Applied ML Engineers to translate complex domain requirements into testable specifications, model behavior expectations, prototype workflows, and production-ready system behaviors. • Work with the ML Behavior Systems Team to ensure systems meet defined evaluation and quality standards.

Join a dynamic team at the pulse of global markets, where we deliver innovative software and service solutions for essential financial reporting and capital markets transactions. At DFIN, we are a values-driven organization that empowers you to build a fulfilling career while bringing your authentic self to work every day. Our "Win as One" mentality ensures that our team's success is directly linked to Client, Shareholder and Employee Satisfaction. Recognized as one of AMERICA'S MOST LOVED WORKPLACES® for five consecutive years and a Built In Best Places to Work for six years, we are committed to our employees' total well-being. Enjoy competitive compensation, a flexible workplace, comprehensive benefits, and opportunities for professional growth. Bring your passion and talents to DFIN - because being YOU thrives here. Summary: We are looking for technical team members at all levels who want to push themselves to deliver best in market SaaS solutions. We offer a challenging environment where you will have to grow, adapt and use your skills consistently. Our customers rely on us in the moments that matter. Engineering delivers on that promise. You can read the bullets below. But they almost always look the same, right? Here is the deal - being a principle engineer here at DFIN means helping us deliver SaaS software solutions for our customers that primarily work with the SEC or other global regulating bodies. Our products are in demand because we solve regulatory problems for our customers. As a principal engineer, you'll own projects end to end, write code that others will look towards as a standard, understand how we operate our systems and make sure our technology grows and doesn't become a big pile of tech debt. Responsibilities: - Be a key contributor to our development practice: design, full-stack development and testing. - Write concise, clear, well-tested and well-documented code with quality that adheres to industry best practices. - Optimize code for quality, performance, scalability, efficiencies and security; through testing, code scanning, refactoring and monitoring. - Ensure automated tests and test frameworks are highly effective in terms of software quality, refactor flexibility, and integration/delivery speed. - Concurrent and asynchronous software design/development. - Analyze, design and build solutions that solve the problems we have, not the problems that we think we may have one day. You are responsible for keeping the team in the present. - Build software with people. Product managers, other developers, SRE, junior engineers, senior engineers, offshore. Construct software that matters. - Understands that systems are to be operated and monitoring and metrics are important. - Advocate for simplicity, reliability, manageability, scalability, extensibility, reusability and performance. - O11y data driven optimization of latency, compute, memory, storage, and network traffic. - Make sure to constantly address technical debt. Shine a light on it, even when it hurts. - Build software with people. Product managers, other developers, SREs, junior engineers, senior engineers, and offshore. Construct software that matters! Qualifications: - Be committed to your development, the products you work on and the firm. - Experience designing services based and/or tiered web applications and systems. - 8-10 years of experience designing and building scalable data-driven software applications. - Experience developing secure code meeting security standards and willing to participate in financial systems security practices. - Experience in .Net Framework, C#, API's RESTful web services, JavaScript, React.js (pick your flavor), SQL Server, Visual Studio, Azure DevOps. Generally adaptable across the stack - Proficient in one of and willing to work on all of C#, Node JS, Java, Typescript services - Threading/concurrency and/or asynchronous experience - RDBMS such as SQL Databases such as SQL Server or PostgreSQL - Moderate to deep HTTP protocol/Networking insight - • Proven experience building products and services used by customers - • Azure, AKS, Docker, Kubernetes - Education - BS in Computer Science or equivalent work experience. It is the policy of Donnelley Financial Solutions to select, place, and manage all its employees without discrimination based on race, color, national origin, gender, age, religion, actual or perceived disability, veteran status, actual or perceived sexual orientation, genetic information or any other protected status. If you are a qualified individual w ith a disability or a disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access jobs.dfinsolutions.com as a result of your disability. You can request a reasonable accommodation by sending an email to talentacquisition@dfinsolutions.com . At DFIN, protecting your identity is a top priority. Please be aware of scammers impersonating DFIN recruiters. DFIN recruiters will never request personal information via email or text. You will only receive a text from us if you've already been in contact. All automated messages will come from talentacquisition@dfinsolutions.com . If you ever have doubts about the legitimacy of any communication from us, please do not hesitate to reach out for verification via talentacquisition@dfinsolutions.com (this email is for general TA questions and is not used for updates on your application status). #BI-Remote