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Senior GenAI Developer

Location: 

Cluj, RO Sibiu, RO Timisoara, RO Bucuresti, RO Iasi, RO Remote, RO Brasov, RO Novi Sad, RS Serbia remote, RS

Who we are

 

We are seeking a highly skilled, cross-functional AI Engineer to design, build, and scale a GenAI-powered conversational platform. The solution will combine advanced LLM capabilities with enterprise-grade backend systems, cloud infrastructure, and an interactive chat frontend.

 

What you'll be doing

 

  • Design and implement LLM-powered applications using advanced techniques such as: Retrieval-Augmented Generation (RAG); Multi-agent systems/agent workflows; Context-aware, multi-turn conversational AI
  • Build and optimize pipelines using frameworks such as: LangChain, LangGraph, CrewAI
  • Ensure secure LLM usage, including: prompt injection mitigation; safe prompt design and validation; data privacy and access control
  • Build frameworks using: FastAPI, Flask, or Django
  • Design and implement: Microservices architecture, distributed systems, secure API patterns with authentication and authorization
  • Integrate APIs (REST / OData) with enterprise systems
  • Develop a React-based conversational UI with:  Streaming responses (real-time token flow); Chat history and multi-turn conversation management
  • Tool usage visualization (agent/tool execution display)
  • Build and maintain production-ready ML/AI systems:
  • CI/CD pipelines for ML and application code
  • Model deployment and monitoring pipelines
  • Use tools and platforms such as: Docker, Kubernetes, Azure ML, Databricks, or AWS
  • Ensure system scalability, reliability, and observability
  • Integrate with enterprise platforms and tools such as: MXP, LeanIX, Gainsight (or similar ecosystems)
  • Implement RAG pipelines for: QBR (Quarterly Business Review) insights and reporting
  • Handle structured and unstructured data ingestion and transformation
  • Implement MCP (Model Context Protocol) client integration in Python
  • Enable interaction between LLMs and enterprise tools/services
  • Build modular tool ecosystems to support agent-based workflows

 

What you'll bring along

 

  • BSc/MSc in Computer Science or related field
  • Core stack: Python (mandatory), Node.js or Java (nice-to-have but preferred); FastAPI, Flask, or Django
  • React (for frontend-focused roles)
  • Experience designing and building microservices-based and distributed systems
  • Strong understanding of secure API design, authentication, and system integration
  • Hands-on experience with REST and/or OData APIs
  • Practical experience with LLMs, Retrieval-Augmented Generation (RAG), and agentic AI systems
  • Familiarity with frameworks such as LangChain, LangGraph, or CrewAI
  • Strong skills in prompt engineering and secure LLM implementation, including mitigation of prompt injection risks
  • Experience working with containerization and orchestration tools such as Docker and Kubernetes
  • Proven ability to build and maintain CI/CD pipelines
  • Hands-on experience with cloud platforms such as Azure ML, Databricks, or AWS
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What’s in it for you


✔ New beginnings can be a challenge. We promise a smooth integration and a supportive mentor
✔ Pick your working style: choose from Remote, Hybrid or Office work opportunities
✔ Early bird or night owl? Our projects have different working hours to suit your needs
✔ Nobody is born an expert. Sharpen your tech skills with our sponsored certifications, trainings and top e-learning platforms
✔ We want you to stay healthy! Enjoy our Private Health Insurance ⁠– it’s custom-made for you
✔ A clear mind is a healthy mind. Attend individual coaching sessions or go one step further by joining our accredited Coaching School
✔ Make the most of our epic parties or themed events – they’re lovingly designed for our people and their families

✔ NTT DATA recruiters will never ask job seekers and candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties that may try to impersonate NTT DATA recruiters, either in writing or by phone, in an attempt to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will be associated with an @nttdata.com email address. NTT DATA will not use any non-NTT DATA or personal email domains (Gmail, Yahoo, etc.) or personal communication channels (WhatsApp, Facebook etc) at any time during the recruitment process. If you suspect any fraudulent activity, please contact us.


NTT DATA Romania is an equal opportunity employer and considers all applicants regardless to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees.


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What’s in it for you

  • New beginnings can be a challenge. We promise a smooth integration and a supportive mentor
  • Pick your working style: choose from Remote, Hybrid or Office work opportunities
  • Early bird or night owl? Our projects have different working hours to suit your needs
  • Nobody is born an expert. Sharpen your tech skills with our sponsored certifications, trainings and top e-learning platforms
  • We want you to stay healthy! Enjoy our Private Health Insurance ⁠– it’s custom-made for you
  • A clear mind is a healthy mind. Attend individual coaching sessions or go one step further by joining our accredited Coaching School
  • Make the most of our epic parties or themed events – they’re lovingly designed for our people and their families

 

Make this the place you grow

Your unique talent is what matters. NTT DATA Romania is an equal opportunity employer and considers all applicants regardless to race, color, religion, citizenship, national origin, ethnicity, age, gender, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic.

 
Document

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers and candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties that may try to impersonate NTT DATA recruiters, either in writing or by phone, in an attempt to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will be associated with an @nttdata.com email address. NTT DATA will not use any non-NTT DATA or personal email domains (Gmail, Yahoo, etc.) or personal communication channels (WhatsApp, Facebook etc) at any time during the recruitment process. If you suspect any fraudulent activity, please contact us.


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