Lead Technical Architect (MERN)

dentsu · India

We are seeking a Lead Technical Architect with 12-20 years of experience to drive the design, development, and delivery of scalable, cloud-native solutions.

Job Description

Must-Have Skills

• Proven technical leadership experience as a Lead Technical Architect or Principal Architect .
• Deep expertise in TypeScript, React.js, Node.js, NestJS, MongoDB/Mongoose , and Web Components/Micro-Frontend Architecture .
• Strong experience in GraphQL Schema Design and GraphQL Federation , including subgraph composition, schema governance, contract management, and versioning .
• Hands-on experience with Event-Driven Architecture using Kafka, Schema Registry, and Avro , including schema evolution and compatibility governance .
• Strong knowledge of Identity & Access Management (IAM) , including OAuth2, OIDC, Okta, Service Account Token Exchange, and ABAC .
• Working experience with Python/FastAPI in a polyglot microservices environment .
• Experience integrating AI capabilities into production systems , including Azure OpenAI, Anthropic, AI Model Routing, Prompt Governance, Token Cost Optimization, and PII/Security Controls .
• Expertise in Architecture Strategy, Governance, and Technical Decision-Making within cross-functional organizations.
• Strong background in Cloud-Native and Distributed Systems Architecture , including deployment readiness for Docker, Kubernetes, Helm, and GitHub Actions environments.
• Demonstrated ownership of Delivery, Reliability, Security, and Scalability outcomes.
• Experience defining and implementing Testing & Quality Engineering Practices using Jest, React Testing Library, Playwright, and Pytest .
• Proven track record of establishing Engineering Standards, Architecture Governance Frameworks, and Scalable Engineering Practices across large and complex organizations.

Strongly Preferred / Nice-to-Have Skills

• TOGAF Certification or equivalent Enterprise Architecture framework experience.
• Advanced experience with Kubernetes, Docker, Infrastructure as Code (IaC), and DevSecOps beyond application-level responsibilities.
• Experience leading Legacy Modernization and Large-Scale Platform Re-Architecture initiatives.
• Exposure to Platform Engineering or Site Reliability Engineering (SRE) practices, including SLOs, Observability, Monitoring, and Operational Resilience .
• Experience integrating with Mediaocean Prisma or similar Media Buying, Advertising, or Financial Platforms .
• Microsoft Certified: Azure Solutions Architect Expert or equivalent AWS Solutions Architect Certification .

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