Senior Node.js Engineer

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

We are seeking a curious, experienced Senior Node.js Engineer to help design and build our next-generation platform. You will lead the development of resilient, cloud-native microservices in Node.js/TypeScript, contribute to architectural decisions that improve scalability and availability, and mentor other engineers. Experience or a strong interest in platform engineering and AI agents is a major plus as we pursue this year’s strategic objectives.

This is you

• 5+ years of hands-on Node.js and TypeScript development, demonstrating senior-level ownership;

• 3+ years with AWS (Lambda, API Gateway, S3, DynamoDB, RDS) and Infrastructure-as-Code (Serverless Framework, SAM, or equivalent);

• 5+ years with SQL and NoSQL databases; able to design data models and optimize queries for performance and scale;

• Proven track record in building and operating microservices, including CI/CD, automated testing, and deployments;

• Demonstrated ability to own features end-to-end, drive improvements independently, and communicate clearly to technical and non-technical audiences;

• Native Spanish; intermediate English.

Nice-to-have skills:

• Background or strong interest in platform engineering, AI agents/conversational systems, or model/agent orchestration tooling;

• Hands-on with EKS/Kubernetes and advanced IaC (Terraform, CloudFormation, or Serverless Framework patterns);

• Skilled in profiling, load testing, performance optimization of distributed systems, and cloud security practices;

• Open-source contributions or technical leadership in developer communities.

This is your role

• Design, implement, test, and maintain high-quality Node.js/TypeScript microservices;

• Build and optimize AWS services for performance, cost-efficiency, and availability;

• Lead architecture discussions, evaluate trade-offs, and influence technical roadmap;

• Own features from design through deployment, monitoring, and incident response;

• Promote Clean Code, automated testing (unit/integration), CI/CD, and define monitoring, alerting, and SLOs;

• Review code, mentor engineers, and drive improvements in performance, security, and processes;

• Translate technical decisions into clear business impact for stakeholders. 

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.