Senior Software Engineer (Java+ AI)

Deutsche Telekom Digital Labs; Gurugram District; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Deutsche Telekom Digital Labs in India is hiring a Senior Software Engineer - Java + AI to design and develop intelligent, scalable backend systems. You will focus on Java-based backend, modern frameworks, and integrating generative AI into enterprise-grade applications.

You will lead AI-powered features, work with Product, Data Science, and Engineering teams, build secure REST APIs, and mentor engineers to uphold best practices while keeping pace with the latest AI advances.

Qualifications

• 4+ years of backend development experience.
• Strong Java/Spring Boot and microservices architecture.
• Experience with AI/LLMs integration via APIs.
• Experience with cloud platforms (AWS/Azure/GCP).

Responsibilities

• Design, develop, and maintain scalable backend applications using Java and modern frameworks.
• Lead the architecture and implementation of AI-powered features and services.
• Build and integrate solutions leveraging Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI agents, and prompt engineering techniques.
• Collaborate with cross-functional teams including Product, Data Science, and Engineering to deliver innovative AI-driven capabilities.
• Develop secure, high-performance REST APIs and microservices.
• Optimise application performance, scalability, and reliability.
• Mentor engineers and drive engineering best practices, code quality, and technical excellence.

Skills

Java

Spring Boot

Microservices

REST APIs

Cloud platforms

Docker

Kubernetes

LLMs / AI integration

Prompt engineering

Tools

OpenAI API

Azure OpenAI

Vertex AI

Job description

We're looking for a Senior Software Engineer - Java + AI to drive the design and development of intelligent, scalable backend systems. This role is ideal for engineers who have a strong foundation in Java-based backend development and are excited about integrating generative AI, LLMs, and AI-driven solutions into enterprise-grade applications.

Responsibilities

• Design, develop, and maintain scalable backend applications using Java and modern frameworks.
• Lead the architecture and implementation of AI-powered features and services.
• Build and integrate solutions leveraging Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI agents, and prompt engineering techniques.
• Collaborate with cross-functional teams including Product, Data Science, and Engineering to deliver innovative AI-driven capabilities.
• Develop secure, high-performance REST APIs and microservices.
• Optimise application performance, scalability, and reliability.
• Mentor engineers and drive engineering best practices, code quality, and technical excellence.
• Stay updated with the latest advancements in AI and apply them to solve real-world business challenges.

Requirements

• 4+ years of experience in backend software development.
• Strong expertise in Java, Spring Boot, and microservices architecture.
• Hands-on experience with generative AI, LLMs, prompt engineering, RAG, or AI agent frameworks.
• Experience integrating AI models through APIs such as OpenAI, Azure OpenAI, Vertex AI, or similar platforms.
• Strong knowledge of REST APIs, distributed systems, and scalable system design.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Familiarity with Docker, Kubernetes, CI/CD pipelines, and DevOps practices.
• Strong problem-solving skills and ability to lead technical initiatives.