Job Code: DTDLPL-5884 | Deutsche Telekom Digital Labs Private Limited

Gurugram, Haryana, India

2 positions

Expires on 31/08/2026

Required Experience

10 - 15 Years

Skills java,

microservices,

designing

- We are seeking a Senior Principal Engineer – Backend & AI to lead the architecture, design, and development of highly scalable backend platforms while driving AI-powered product innovation. This is a hands-on technical leadership role responsible for defining engineering strategy, mentoring senior engineers, and building cloud-native distributed systems integrated with modern AI technologies. The ideal candidate combines deep backend engineering expertise with practical experience building production AI/LLM applications.

Responsibilities

You Will

- Define long-term technical architecture and engineering roadmap.
- Lead the design of highly scalable distributed systems.
- Establish engineering best practices across architecture, coding, testing, security, and DevOps.
- Drive technical decisions across multiple teams.
- Mentor Staff and Senior Engineers.
- Review critical architecture and design proposals.
- Lead performance optimization and system reliability initiatives.
- Design microservices-based architectures.




- Build high-performance REST and GraphQL APIs.
- Design event-driven systems using Kafka or similar messaging platforms.
- Develop scalable data processing pipelines.
- Optimize databases for high throughput and low latency.
- Ensure high availability, resilience, and disaster recovery.
- Build production-grade AI applications using LLMs.
- Design Retrieval-Augmented Generation (RAG) architectures.
- Develop AI agents and workflow automation.
- Implement vector search and semantic retrieval.
- Integrate foundation models from OpenAI, Anthropic, Google, or open-source models.
- Evaluate AI model quality, latency, and cost.
- Implement guardrails, prompt engineering, and AI observability.
- Build AI APIs and inference services.

You Must Have
- Bachelor's or Master's degree in Computer Science or related field.
- 12–18+ years of software engineering experience.
- 5+ years leading architecture for large-scale backend systems.
- Experience leading engineering teams across multiple products.
- Solid system design and distributed systems expertise.
- Experience building AI-enabled enterprise applications.

📌 Senior Principal Engineer-I (Gurugram)
🏢 Deutsche Telekom
📍 Gurugram