Principal Solution Architect (Azure)

Position Summary Deloitte Global is the engine of the Deloitte network. Our professionals reach across disciplines and borders to develop and lead global initiatives. We deliver strategic programs and services that unite our organization. Work you'll do We're hiring a hands-on Principal Solution Architect who will design and evolve both the high-level and detailed architecture for new product features while supporting and improving existing capabilities. You'll lead with code and architecture pairing with engineers, producing reference implementations, and ensuring robust, scalable, cost-efficient solutions in Azure using .NET/C#, React/Node/TypeScript, and modern data-processing patterns. Primary Responsibilities: Define HLD/LLD for new features and complex refactors (context & container diagrams, sequence diagrams, deployment views, data flows).Author and steward Architecture Decision Records (ADRs), validate decisions via experiments and load tests.Build reference implementations/PoCs in C#/.NET and React/Node to de-risk patterns, performance, and operability.Review and merge PRs, provide actionable feedback, and pair with engineers on tricky problems.Design event-driven and streaming architectures leveraging Azure Service Bus, Functions, App Services, AKS, and API Management.Engineer for high throughput and low latency: concurrency, async I/O, caching (Redis), partitioning, idempotency, back-pressure, and circuit-breaking.Model data across Azure SQL and Cosmos DB, including indexing, partitioning, consistency, and query optimization.Guide modern React (TypeScript) architecture: component design, state management, performance profiling, accessibility, SSR/BFF patterns with Node.js. Ensure clean API contracts (REST/JSON, GraphQL where appropriate), schema governance, and sound error semantics.Drive observability: distributed tracing (OpenTelemetry), metrics and logs (App Insights), and actionable dashboards/alerts.Bake in security: OIDC/OAuth2 (Entra ID), secrets management (Key Vault), OWASP ASVS, threat modeling.Define SLOs/SLIs, error budgets, and ensure production readinesson-call participation and RCA for major incidents.Champion CI/CD (Azure DevOps or GitHub Actions), IaC (Bicep/Terraform), repeatable environments, and golden paths/templates. Optimize for cost and performance (FinOps): right-sizing compute, data tiering, caching, and workload scheduling The team Deloitte Technology works at the forefront of technology development and processes to support and protect Deloitte around the world. In this truly global environment, we operate not in what is but rather what can be to help Deloitte deliver and connect with its clients, its communities, and one another in ways not previously conceived. Qualifications Required: At least 7 years experience building production software, 3+ years as a hands-on architect or principal engineer.Deep proficiency in C#/.NET (7/8), ASP.NET Core, WebAPI, async/concurrency, performance profiling.Strong React (18+) + TypeScript and Node.js experience, testing with Jest/Cypress.Azure expertise: App Services, Functions, AKS, API Management, Service Bus/Event Hubs, Azure SQL, Cosmos DB, Storage, Key Vault, App Insights.Proven delivery of data-processing-intensive systems (batch/stream, resiliency, throughput, cost).CI/CD (Azure DevOps/GitHub Actions), IaC (Bicep/Terraform), containers (Docker, Kubernetes).Solid understanding of architecture trade-offs, DDD, integration patterns, and secure design. Preferred: Experience with Databricks / Data Lake, Tableau or PowerBI.Multi-region active-active design, disaster recovery (RPO/RTO), OpenAPI/Swagger, GraphQL.Certifications: Azure Solutions Architect Expert, DevOps Engineer Expert. Limited immigration sponsorship may be available. Deloitte is committed to providing reasonable accommodations for people with disabilities. If you require a reasonable accommodation to participate in the recruiting process, please direct your inquiries to the Global Call Center (GCC) at View email address on click.appcast.io. Recruiting tips From developing a stand out resume to putting your best foot forward in the interview, we want you to feel prepared and confident as you explore opportunities at Deloitte. Check out recruiting tips from Deloitte recruiters. Our people and culture Our inclusive culture empowers our people to be who they are, contribute their unique perspectives, and make a difference individually and collectively. It enables us to leverage different ways of thinking, ideas, and perspectives, and bring more creativity and innovation to help solve our clients' most complex challenges. This makes Deloitte one of the most rewarding places to work. Our purpose Deloitte’s purpose is to make an impact that matters for our people, clients, and communities. At Deloitte, purpose is synonymous with how we work every day. It defines who we are. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. Learn more. Professional development From entry-level employees to senior leaders, we believe there’s always room to learn. We offer opportunities to build new skills, take on leadership opportunities and connect and grow through mentorship. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their career. Requisition code: 372247 Job ID 372247 Same job available in 10 locations