Senior Backend Engineer (Node.js / NestJS / AWS)

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets. At the core of the role We're looking for a Senior Node.js Backend Engineer with strong AWS and Kubernetes experience. This is a cloud-native backend role where you'll build enterprise integration services, work with Terraform, Helm and Amazon EKS, and develop scalable Node.js/NestJS services powering a large telecommunications platform. You'll join an experienced engineering team responsible for designing and maintaining backend services that connect customer-facing applications with enterprise platforms. Working closely with frontend, platform, and DevOps engineers, you'll build scalable APIs, develop integration services, and contribute to technical decisions across the entire software delivery lifecycle. Core skills you’ll bring 5+ years of commercial software engineering experience Strong commercial experience with Node.js and NestJS Experience building scalable REST APIs and microservices Hands-on experience with AWS Commercial experience with Kubernetes and Docker Experience with Terraform (Infrastructure as Code) Experience working with large-scale, business-critical applications Experience integrating enterprise platforms, internal systems, or third-party APIs English — Upper-Intermediate+ Nice to have Helm ArgoCD GitOps workflows Amazon EKS Experience with Salesforce, Netcracker, Storyblok, or similar enterprise platforms Telecommunications industry experience The impact you'll create Design, develop, and maintain scalable backend services using Node.js , TypeScript , and NestJS Build and maintain REST APIs and Backend-for-Frontend (BFF) services Deploy and operate applications on AWS using Terraform , Kubernetes (Amazon EKS) , Docker , Helm , and GitOps Integrate enterprise platforms including Salesforce, Netcracker, Storyblok, and internal services Participate in architecture discussions, code reviews, and technical decision-making Collaborate closely with frontend, platform, and DevOps engineers Deliver secure, scalable, and maintainable solutions in a complex enterprise environment What supports your journey People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.