• Build and enhance AI agents used by real customers every day • Design and improve agent runtimes, memory systems, tool orchestration, and evaluation frameworks • Develop integrations with platforms such as Salesforce, Stripe, HubSpot, Notion, QuickBooks, Shopify, and more • Build scalable backend services using Python and modern frontend experiences using TypeScript and React • Optimize infrastructure, reliability, performance, and cost efficiency • Ship production-ready features rapidly and continuously • Take ownership of technical decisions and product outcomes from concept to deployment

• Own the technical strategy, architecture, and roadmap for the FinHub Tooling platform • Drive an AI-first approach to internal tooling • Build high-reliability systems for various teams • Lead cross-functional alignment for technical roadmaps • Strengthen team engineering quality through mentorship

Role Description In Buenos Aires within the Fintech & Merchant Services industry, we are actively seeking a professional to strengthen our team dedicated to our digital merchant ecosystem, driving the evolution and scalability of our payment and business solutions platforms. In your role, you'll become a vital member of a team of skilled professionals focused on building high-availability, low-latency cloud solutions. Your primary responsibility will involve developing and maintaining microservices on a 100% Serverless architecture, while actively contributing to the progressive migration of our legacy systems to AWS Cloud. Here you will have the opportunity to make a meaningful contribution to global technological progress while at the same time advancing your own skills and career. Qualifications - 5+ years of experience working with Node.js. - Strong hands-on experience deploying and monitoring Serverless architectures on AWS. - Solid knowledge of key AWS services: Lambda, API Gateway, SQS, DynamoDB, and S3. - 2+ years of experience utilizing Serverless Framework as Infrastructure as Code (IaC). - Deep understanding of the Node.js Event Loop and handling of asynchronous/blocking operations. - Familiarity with document-oriented NoSQL databases, specifically DynamoDB using single-table design for cloud persistence. - Experience with microservices and a strong understanding of distributed architecture patterns or workflow orchestration (such as Step Functions). - Experience defining metrics, alerts, and dashboards in monitoring tools like Datadog or Grafana to ensure high availability and performance. Requirements - Nice-to-have skills: - Experience or familiarity with NestJS. - Background in backend development with Java (Microservices / Java 8 or Java 21). - Knowledge of relational databases like SQL Server. - Familiarity with containerized environments like OpenShift Container Platform (OCP). Benefits - 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.

Role Description This position is responsible for designing, deploying, and optimizing robust API platforms for efficient data exchange, system integrations, and secure communication; strong skills in backend or platform engineering and API design are essential. Qualifications - 3+ years of experience in backend or platform engineering, including distributed systems and API design - 3+ years of experience in software development using Java or Python - 2+ years of experience with designing, deploying, and operating real-time, low-latency API platforms at scale such as Apigee, Gravitee, Kong, AWS API Gateway, or Mulesoft - 1+ years of experience with DevOps practices and technologies, including Docker, Helm, Kubernetes, and GitOps workflows - Experience with protocols, including HTTP, gRPC, or WebSockets, caching, load balancing, and API security - Experience with AWS, Azure, or GCP - Experience with Git and collaboration tools, including Jenkins, JIRA, Confluence, Nexus, or Bitbucket - Experience in gathering requirements and engaging with clients - Secret clearance - HS Diploma or GED Requirements - Experience with SQL, Server-Side Development, Middleware, Application or Data Integration, API Development, Core Application Systems, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, or Spring Data - Experience with using a message broker, such as Kafka or RabbitMQ