**Who we are** Join a high-impact digital transformation project for a leading UK telecom client. We’re seeking a skilled Node.js Backend Engineer with strong architectural thinking and a passion for building scalable, cloud-native systems. **What you'll be doing** + Design and develop scalable microservices using Node.js on Google Cloud Platform (GCP). + Build and manage RESTful and GraphQL APIs using OpenAPI 3.0, Swagger, and YAML. + Implement custom API policies using Node.js, JavaScript, or Python. + Deploy and manage services in containerized environments using Docker and Kubernetes. + Collaborate on CI/CD pipelines using GitHub, GitLab, Terraform, Ansible, or Puppet. + Ensure application security (OAuth 2.0, OIDC, CSRF, CORS, cookie management). + Write and maintain unit and functional tests using Cypress, Mocha, Jest, etc. + Monitor and troubleshoot applications using tools like Splunk, StackDriver, Datadog, or Grafana. + Work with both SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Redis). + Optimise backend performance for high availability and resilience. **What you'll bring along** + Bachelor’s degree in Computer Science, Information Technology, or a related field + Minimum 5 years of experience in a similar role + Proven expertise in Node.js, including asynchronous programming and non-blocking I/O. + Strong understanding of microservices architecture and patterns (API Gateway, Sidecar, Service Discovery). + Experience with Fastify or similar Node.js frameworks. + Hands-on experience with containerization and cloud-native deployments. + Familiarity with DevOps tools and practices (Terraform, Ansible, CI/CD). + Deep understanding of security protocols and best practices. + Ability to mentor junior developers and contribute to team growth. + Clear and confident communication with technical and non-technical stakeholders. + High proficiency in problem solving and root cause analysis. + Excellent command of both spoken and written English. **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. Not the job for you? Perhaps you have a friend who would be a perfect fit. Send them this link! **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 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. **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. \#LI-AR2