Sr. Principal Architect presso Nationstar

At Mr. Cooper Group, You Make the Dream Possible.

Our purpose is simple: Keeping the dream of homeownership alive. As a Mr. Cooper Group team member, you play a big role in making that dream possible. Around here, we know our roles and work together, volunteer to make a difference, and challenge the status quo when needed. Everything we do is in the care and service of our teammates and our customers.

Join us and make the dream of home ownership possible!

Key Responsibilities

• Define and own the end-to-end architecture for full stack platforms (front-end, back-end, cloud, and integrations).
• Drive technology strategy and roadmap aligned with business objectives.
• Design scalable, secure, and resilient systems leveraging modern frameworks (.NET Core, Java, Node.js, React, etc.).
• Establish coding standards, architectural patterns, and reusable frameworks.
• Collaborate with product managers, engineering teams, and stakeholders to translate business needs into technical solutions.
• Evaluate emerging technologies and recommend adoption for platform modernization.
• Ensure compliance with security, performance, and regulatory standards.
• Mentor engineering teams and foster a culture of technical excellence.
• Lead architecture reviews, proof-of-concepts, and performance optimization initiatives.
• Partner with DevOps teams to implement CI/CD pipelines and cloud-native deployments (Azure/AWS/GCP).
• Provide guidance on AI/ML integration and automation opportunities for platform efficiency.

About You

• Bachelor’s/master’s degree in computer science, Engineering, or related field.
• 12+ years of experience in software engineering with at least 5 years in architecture leadership roles.
• Excellent problem-solving, strategic thinking, and communication skills.
• Proven track record of delivering large-scale, complex platforms with measurable business impact.
• Primary skills:
  • Technical Skills:
    • Full-Stack Architecture: Expertise in designing and owning end-to-end architecture for platforms covering front-end, back-end, cloud, and integrations.
      • Front End: React, Node JS and Typescript
      • Back-end: .NET Core, Java, Spring boot, Spring Webflux, Fast API, dJango
      • Cloud: Azure/AWS /GCP
    • API Design & Integration: Building and integrating RESTful APIs, microservices, and third-party services.
    • DevOps & CI/CD: Implementing and optimizing CI/CD pipelines, automation, and cloud-native deployments in collaboration with DevOps teams.
    • Security & Compliance: Ensuring platform security, performance, and compliance with regulatory standards.
    • Performance Optimization: Leading architecture reviews, proof-of-concepts, and performance tuning initiatives.
    • Technical Leadership: Establishing coding standards, architectural patterns, and reusable frameworks; mentoring engineering teams.
  • Strategic & Leadership Skills:
    • Technology Strategy: Driving technology roadmap and evaluating emerging technologies for platform innovation.
    • Stakeholder Collaboration: Translating business needs into technical solutions through close collaboration with product managers and engineering teams.
    • Mentoring & Culture Building: Fostering a culture of technical excellence and continuous improvement across teams.
• Secondary skills:
  • Cross-Platform Data Engineering: Experience with data pipelines, ETL, and big data tools (e.g., Spark, Hadoop).
  • Data Analysis & Visualization: Familiarity with tools like Power BI, Tableau, or Streamlit for analytics and reporting.
  • AI/ML Engineering: Exposure to machine learning frameworks (TensorFlow, PyTorch, scikit-learn) and integrating AI models into platforms.
  • API Integration: Knowledge of GraphQL, gRPC, and advanced API management.
  • Testing Frameworks: Experience with Playwright, Locust, FluentLenium for advanced automation and performance testing.
  • Programming: Exposure to Blazor, Rust, Go, or other emerging languages.
  • Cloud-Native Patterns: Understanding of serverless architectures, event-driven design, and cloud cost optimization.
  • Security & Compliance: Familiarity with DevSecOps, threat modeling, and regulatory compliance (GDPR, SOC2).
  • Mentoring & Coaching: Ability to upskill teams, run architecture workshops, and foster a culture of technical excellence.
  • Stakeholder Engagement: Experience in presenting technical strategies to executive leadership and non-technical stakeholders.

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