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 products are in demand because we solve regulatory problems for our customers. Our customers rely on us in the moments that matter. Engineering delivers on that promise. As a DFIN Staff engineer, you'll own projects end to end, design architecture, write code that others will look towards as a standard, understand how we operate our systems and ensure our technology continues to evolve and improve. This isn't your simple, run-of-the-mill, boring system. This is a system with an interesting mix of design challenges such as, messaging, concurrency, network resiliency, data replication, load/demand prediction, eventual consistency, observability engineering, build/deployment optimization, and AI. Responsibilities: - Design and implement modular, cohesive frontend and backend services for resilient, efficient distributed systems - Build concurrent, asynchronous applications with strong network resilience, including micro-frontend SPAs - Decompose complex systems into well-defined components and develop advanced algorithms for difficult problems - Ensure high-quality software through effective automated testing, enabling fast delivery and safe refactoring - Apply AI, ML, and vector databases in development workflows and product features - Use observability (instrumentation, dashboards, alerts, tracing) to monitor performance, errors, and usage - Optimize build, deployment, and infrastructure-as-code pipelines - Analyze defects thoroughly to drive impactful improvements - Design with a strong security mindset beyond standard frameworks through deep system understanding - Conduct rigorous code reviews and stay current with modern technologies and tools - Collaborate closely with cross-functional teams across engineering and product - Continuously identify and address technical debt - Contribute to engineering roadmaps and planning - Lead product architecture while remaining hands-on Qualifications: - 15+ years building services with C#, Node.js, or TypeScript; 10+ years in distributed systems - Strong SQL and experience with data platforms (e.g., Microsoft Fabric) - Deep Azure/cloud-native expertise and CI/CD/DevOps practices - Solid foundation in OOP, SOLID, design patterns, algorithms, and performance optimization - Experience with secure coding, including financial/regulated environments - SPA frontend experience (React preferred) Technical breadth across: - APIs (REST, WebSockets, gRPC), messaging (Service Bus, RabbitMQ), distributed systems - Performance profiling, algorithm design, and complex problem-solving - Containers/Kubernetes, frontend testing, and browser technologies - Strong communication skills and ability to explain complex topics - Bachelor's degree in CS or equivalent 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

• Install, configure, and maintain database server software, apply patches of PostgreSQL databases • Create high availability cluster and a Disaster Solution plan • Monitor database performance to identify slowdowns or potential issues • Create database objects such as tables, views, triggers, and indexes • Perform regular database backups to ensure data integrity in case of a server crash • Perform regular scheduled maintenance on the database server, such as vacuum analysis on large tables to remove obsolete data

• Responsible for leading technical initiatives. • Support architectural decisions. • Collaborate with cross-functional teams to deliver exceptional mobile experiences.

• Develop and maintain mobile applications using React Native with a focus on performance, quality, and scalability. • Define and implement best practices, architecture patterns, and development guidelines. • Integrate applications with REST and GraphQL APIs. • Work with CI/CD tools and contribute to efficient pipelines. • Perform code reviews, provide mentorship, and offer technical support to junior and mid-level developers. • Collaborate with designers, product managers, and QA to ensure consistent, product-aligned deliveries. • Monitor and optimize app performance across different devices and platforms. • Actively participate in technical decisions and the product roadmap.