Staff Software Engineer

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

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