Senior AI API & Gateway Engineer (Python)

Req ID: 371858

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Senior AI API & Gateway Engineer (Python) to join our team in Bangalore, Karnātaka (IN-KA), India (IN).

"Job Duties: Role Overview
We are seeking a specialized Senior AI API & Gateway Engineer to design, build, and operate the critical API infrastructure that powers our Generative AI initiatives. In this role, you will own the API lifecycle for canonical LLM endpoints across both on-premise and cloud environments. You will be the primary steward of our AI Gateway operations, ensuring highly performant, secure, and observable integrations between our applications and underlying foundation models using modern Python frameworks.
Key Responsibilities
•    LLM API Architecture: Design, implement, and maintain canonical LLM APIs supporting complex GenAI capabilities including chat, text generation, semantic search, and data ingestion.
•    AI Gateway Operations: Operate and optimize the enterprise AI Gateway. Manage advanced traffic patterns including token streaming, rate limiting, quota management, and capacity planning to guarantee stringent Service Level Objectives (SLOs).
•    Agent Framework Integration: Build and orchestrate intelligent agent workflows utilizing frameworks such as LangGraph and ADK.
•    API Lifecycle & Asynchronous Patterns: Own the end-to-end API lifecycle, including versioning, deprecation strategies, and compatibility matrices. Implement batch processing and asynchronous API patterns with automated promotion gates.
•    Enterprise Security & Auth: Design and enforce robust security protocols for AI access, implementing enterprise-grade authentication mechanisms including OAuth2, mTLS, and secure token binding.
•    Observability & Telemetry: Establish comprehensive LLM observability frameworks across projects and workspaces to monitor token usage, latency, and API health.

Minimum Skills Required: Required Qualifications
•    Advanced proficiency in Python backend development.
•    Deep experience in API Design and Lifecycle Management, specifically tailored for AI/LLM use cases.
•    Proven experience managing AI Gateways (e.g., Kong, Apigee, or custom Envoy proxies) dealing with high-throughput, streaming endpoints.
•    Hands-on experience with modern agent orchestration frameworks (LangGraph, ADK).
•    Strong background in implementing strict enterprise authentication (OAuth2, mTLS).
•    Familiarity with building robust, asynchronous, and batch-processing architectures."

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form,

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