Backend Software Engineer

Our client it's a large telecom company in the Netherlands that is currently going through a transformation toward AI-driven products. The role is very hands-on with GenAI, focusing on building LLM- and RAG-based solutions and bringing them into production, often for customer-facing or internal tools. To give you a bit of context about the client, it’s one of the largest mobile operators in the Netherlands. The company serves around 7–8 million customers and provides mobile, fiber internet, and TV services, making it a large-scale, consumer-facing business. What’s particularly interesting is that the organization is undergoing a significant business and technology transformation, with substantial investments in becoming a more data-driven and AI-powered company. We’re looking for a Back-End Software Engineer with a strong focus on building and scaling backend services and APIs. In this role, you’ll work on our Backend for Frontend (BFF) layer and core service engines — powering seamless integrations between our frontend applications and enterprise systems. You’ll design and implement high-performance Node.js and Nest.js services, develop RESTful APIs, and collaborate closely with frontend and platform teams to deliver reliable, scalable, and secure solutions. Experience building backend services that expose REST APIs and integrating with enterprise systems is highly valued. Responsibilities: Develop and maintain enterprise integration services and platform tooling using NestJSProvision and configure cloud environments using GitOps, CI/CD pipelines, Helm, Amazon EKS, and ArgoCDIntegrate with enterprise systems including Netcracker, Salesforce CRM, internal APIs, and Storyblok headless CMSImplement infrastructure as code using Terraform for AWS cloud infrastructureParticipate in code reviews and technical discussions within Agile Scrum teamDeliver secure, scalable solutions in complex enterprise environmentsRequirements:• 5+ years professional software engineering experience• Backend development with Node.js and NestJS• Container orchestration with Kubernetes, Docker, and Helm• Infrastructure as code with Terraform• AWS cloud services and deployment• Enterprise application development• Large-scale business-critical applications• Third-party system integration (CRM, enterprise platforms, APIs)• Self-starter with ability to work independently with minimal supervision• Excellent written and verbal communication skills• Strong stakeholder communication (technical and non-technical audiences)• Collaborative team player• Constructive feedback (giving and receiving)• Problem-solving skills• Commercial awareness and business acumen• Technical decision-making aligned with business outcomes