Middle Node.js engineer

Description

Summary: Join Avenga's fraud prevention team as a Middle Node.js Engineer to develop scalable backend services and APIs, contributing to secure and reliable solutions in a collaborative, agile environment. Highlights: 1. Contribute to secure and reliable fraud prevention solutions 2. Work in a collaborative environment with modern backend practices 3. Develop and maintain backend services using Node.js and TypeScript ***This is us*** At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000\+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development. ***This is the job*** We are looking for a Middle Node.js engineerto join the fraud prevention team. In this role, you will contribute to the development of scalable backend services and APIs that support secure and reliable fraud prevention solutions. You’ll work in a collaborative environment focused on modern backend development practices, microservices architecture, and cloud\-based solutions. Candidates located in or near **Buenos Aires** would be highly preferred for closer collaboration with the team. ***This is you*** * 3\+ years of experience with JavaScript (Node.js and TypeScript). * Hands\-on experience with REST API development and integration. * Experience building and maintaining microservices. * Knowledge of unit testing practices and frameworks. * Advanced Spanish communication skills. Nice\-to\-have skills: * Knowledge of event\-driven architecture. * Experience with AWS services such as Lambda, DynamoDB, EventBridge, and Step Functions. * Experience with the Serverless Framework. * Familiarity with agile methodologies and collaborative team environments. ***This is your role*** * Develop and maintain backend services using Node.js and TypeScript. * Build and consume REST APIs. * Design and implement microservices\-based solutions. * Write and maintain unit tests to ensure code quality and reliability. * Collaborate with cross\-functional teams in an agile environment. * Participate in technical discussions and contribute to backend architecture decisions. * Support the continuous improvement of fraud prevention systems and processes. *At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.*