Senior NodeJs Engineer

Description

Summary: Seeking a Software Engineer (Node.js BFF) to build scalable, event-driven, and cloud-native applications, focusing on backend-for-frontend architectures and modern distributed systems. Highlights: 1. Long-term opportunity to grow expertise in BFF and event-driven architectures 2. Collaborative environment valuing innovation and knowledge sharing 3. Opportunity to work on scalable, cloud-native applications #### **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 UI design, managed services, product development, and software development. #### **This is the job** In Argentina, within the **Software Engineering** domain, we are actively seeking a **Software Engineer (Node.js BFF)** to strengthen our team dedicated to building scalable, event\-driven, and cloud\-native applications. This is a long\-term opportunity for professionals passionate about backend\-for\-frontend (BFF) architectures and modern distributed systems. #### **This is you** * Strong expertise in **Node.js (18\+)** with knowledge of the **NestJS framework**. * Experience with **microservices** and/or **event\-driven architectures**. * Hands\-on experience implementing and managing applications in a **cloud platform**. * Familiarity with **Serverless Framework** or Infrastructure as Code (IaC) tools. * Knowledge of **ExpressJS**. * Experience with **GitLab**, branching models, hotfixes, and feature evolution. * Strong knowledge in building and consuming **RESTful APIs**. * Experience working with **NoSQL databases**. * Experience setting up monitoring and alerting tools (**DataDog, OpsGenie**). **Nice\-to\-have skills:** * Experience with **AWS serverless services** (Lambda, API Gateway, SQS, SNS, Step Functions, EventBridge, DynamoDB). * Knowledge of **TypeScript**. * Ability to write clean, efficient, and well\-documented code. * Experience with **agile methodologies** and software development life cycles. * Experience designing and/or developing **scalable, highly available architectures**. #### **This is your role** * Understand software requirements and refine specifications into detailed designs. * Build or adapt classes, modules, and other software components, reusing existing code where possible. * Perform unit testing and review code to fix defects or improve quality. * Document programs according to standards (functional, architectural, and in\-code comments). * Research new technologies, follow defined processes, and propose improvements. * Deliver across the full application lifecycle: concept, design, development, implementation, testing, and support. * Maintain production applications, fix bugs, and implement new features. * Collaborate closely with developers, TLs, and POs to meet delivery commitments. * Gather functional requirements and translate them into elegant solutions. * Build prototypes during technical scoping phases. * Optimize application performance and focus on functionality. * Create engaging user interfaces (mandatory only for fullstack profiles with ReactJS). * Identify improvement opportunities and contribute to continuous improvement processes. * Participate in defining and reviewing standards and best practices for design and development. #### **What awaits you at Avenga?** * A **long\-term project** with opportunities to grow your expertise in BFF and event\-driven architectures. * A **hybrid work model**: candidates must reside in **Argentina**, with preference for **Buenos Aires or Córdoba**, to facilitate in\-person meetings when required. * A collaborative environment that values **innovation, experimentation, and knowledge sharing**. 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.