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Senior AI Full-Stack Engineer (Node.JS)

Location: 

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

Who we are

 

We are looking for Senior Full-Stack AI Engineers to design, build, integrate, and operate end-to-end digital capabilities that combine modern web applications with artificial intelligence services. The role will cover user experience, backend APIs, AI orchestration, data access, evaluation, observability, security, deployment, and production support. 

 

The engineers will collaborate with Product, Architecture, Data and AI, Cybersecurity, Quality Assurance, DevOps, and business teams to convert prioritized use cases into reliable and maintainable solutions. They must be pragmatic software engineers who can determine where AI adds measurable value, integrate external or internally hosted models, and implement appropriate guardrails, human oversight, and quality controls. 

 

What you'll be doing

 

  • Analyze business requirements and design end-to-end AI-enabled solutions across frontend, backend, integrations, data, security, and operations
  • Develop and maintain user interfaces using React or Angular, applying strong state management and testing practices
  • Build backend services, APIs, and integrations using Node.js, Python, Java, Spring Boot, or similar technologies
  • Integrate AI/ML capabilities through model APIs, SDKs, embeddings, vector search, RAG, prompt engineering, tool calling, and workflow orchestration
  • Design secure data ingestion, storage, retrieval, and transformation processes
  • Implement automated testing (unit, integration, E2E, regression) and AI-specific quality evaluations
  • Ensure security, privacy, observability, monitoring, and operational resilience of AI-powered applications
  • Contribute to CI/CD, containerization, deployment automation, and production support
  • Troubleshoot incidents, perform root-cause analysis, and drive continuous improvements
  • Participate in architecture reviews, mentoring, documentation, and engineering best practices


What you'll bring along

 

  • BSc/MSc in Computer Science or related field
  • 8+ years of software engineering experience, including senior-level full-stack development
  • Strong hands-on experience with JavaScript/TypeScript and modern frameworks such as React, Angular, Node.js, Python, Java, and Spring Boot
  • Experience building REST APIs, event-driven architectures, distributed systems, and enterprise integrations
  • Practical experience with Generative AI, LLMs, RAG, embeddings, vector databases, prompt engineering, and AI workflow orchestration
  • Strong knowledge of SQL and NoSQL databases, data pipelines, caching, and search technologies
  • Experience with Git, CI/CD, containerization, cloud platforms, automated testing, monitoring, and observability
  • Good understanding of security, privacy, responsible AI, and production support practices
  • Strong problem-solving, communication, and stakeholder management skills
  • Professional English proficiency
  • Experience taking AI-enabled solutions from design through deployment, monitoring, and ongoing support
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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.

 
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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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