Full Stack Application Engineer

**Job Description:** Lead Full Stack Engineer / Principal Software Engineer (SaaS, Data, Cloud & Secure Platforms) =============================================================================================== **Role Summary** We are seeking a highly experienced and hands-on Lead Full Stack Engineer (L40) to lead the design, development, and delivery of enterprise-grade technology solutions. This is a strategic, client-facing leadership role with ownership of architecture, engineering direction, and end-to-end delivery across application, cloud, and data platforms. The role requires a strong blend of technical depth and leadership capability, acting as a leader among developers, mentoring teams, driving best practices, and ensuring the creation of scalable, secure, and high-performance systems. **Core Responsibilities** **Full Stack Software Engineering** * Design, develop, and maintain enterprise-grade web applications * Build scalable front-end solutions using React and TypeScript * Develop back-end services and APIs using Node.js and Python * Architect end-to-end workflows across distributed systems * Troubleshoot and resolve complex production issues across the stack * Define coding standards, design patterns, and scalability frameworks * Mentor and guide engineering teams to ensure high-quality delivery **API & Integration Architecture** * Design and architect scalable REST APIs * Lead integration strategy across third-party platforms and SaaS systems * Define and implement secure authentication frameworks (OAuth, SSO, JWT) * Own API lifecycle management including versioning, governance, and standards * Establish reusable and secure API design principles **Azure Cloud Architecture & Governance** * Act as Azure Super Administrator across environments * Design and govern Azure cloud infrastructure and architecture * Oversee App Registrations and Enterprise Application strategy * Lead Entra ID (Azure AD), SSO integration, RBAC design, and identity governance * Enforce cloud security best practices and compliance frameworks * Drive performance, reliability, and cost optimization strategies **Data & Platform Architecture** * Define enterprise-level data platform and pipeline architecture * Oversee ingestion frameworks and system integration patterns * Guide data modeling and database design for SaaS platforms * Partner with data teams to ensure scalable and governed data ecosystems **Database Engineering** * Architect and standardize relational database schemas * Oversee query performance optimization and scalability strategies * Govern usage of PostgreSQL, SQL Server, and related technologies * Establish data quality, integrity, and governance practices **AI Solutions Engineering (Strategic Oversight)** * Drive adoption of AI-powered capabilities across products * Define and lead LLM integration strategy within applications * Establish architectural patterns for AI-enabled workflows * Guide engineering teams on delivering AI-enhanced SaaS features **DevOps & CI/CD Governance** * Define source control standards and branching strategies * Architect and oversee CI/CD pipelines and release processes * Drive automation and reliability in deployment workflows * Oversee environment management across Dev, QA, and Production **Security & Governance** * Architect secure application and API ecosystems * Oversee authentication, authorization, and access control frameworks * Enforce enterprise-wide security standards and compliance controls * Lead security reviews, risk mitigation, and audit alignment **Enterprise Security & Identity Governance** * Azure Subscription Owner * Enterprise Application Owner * Azure App Registration Owner * SSO & OAuth2 Architecture * Identity Governance and RBAC Design * Access Management Strategy and API Security Architecture * Secret Management and Security Governance * Vendor Security Assessments and Risk Management * Production Access and Infrastructure Governance * Final authority for security reviews and approvals **Platform Governance (Retool)** * Own governance and architecture of Retool platform usage * Define application design standards and integration frameworks * Establish access control, environment strategy, and platform governance **Leadership & Client Engagement** * Act as a technical leader and escalation point across teams * Engage directly with clients and stakeholders to shape solutions * Lead architecture discussions, design reviews, and technical strategy * Mentor and develop engineers across multiple teams * Drive cross-functional collaboration and engineering excellence * Contribute to long-term technology roadmap and innovation strategy **Required Qualifications (Must Have)** * 5+ years of experience in cloud architecture (Azure preferred) * 5+ years of experience in API design and integrations * 5+ years of experience in data engineering and platform design * Proven experience building enterprise SaaS applications end-to-end * Strong expertise in React, TypeScript, Node.js, and Python * Experience designing scalable APIs and distributed systems * Strong knowledge of OAuth2, SSO, JWT authentication frameworks * Hands-on experience with Azure services (Entra ID, RBAC, App Registrations) * Advanced SQL and database design expertise * Proven ability to troubleshoot complex production systems * Strong understanding of security, governance, and compliance frameworks **Preferred / Good to Have** * Experience with AI/LLM integrations and prompt engineering * Familiarity with Retool platform development * Azure subscription ownership or admin-level experience * Experience with cloud monitoring and cost optimization * Exposure to advanced identity governance and enterprise security models **Preferred Media Domain Experience** * Programmatic advertising systems (DSP, SSP) * Personalization and recommendation platforms * Identity resolution and post-cookie ecosystem * Marketing analytics, attribution, and campaign optimization systems * Ad-tech ecosystem – digital advertising platforms, targeting, campaign optimization, and performance measurement **Location:** DGS India - Bengaluru - Manyata N1 Block **Brand:** Merkle **Time Type:** Full time **Contract Type:** Permanent