Job Summary: We are seeking a Senior Software Architect with experience in Java and React to lead the technical design of scalable solutions, combining architectural definition and practical development. Key Highlights: 1. Technical leadership in software design 2. Active hands-on development participation 3. Strong technical culture and challenging projects Job Description: 👨‍💻 Java Software Architect / Java \+ React (Senior) 📍 Location Argentina (mandatory) 🌐 Work Mode: 100% remote 💡 About the Role We are looking for a Senior Software Architect with solid experience in Java and knowledge of React, capable of leading the technical design of scalable, resilient, and high-performance solutions. This role combines architectural definition, hands-on development, and participation in infrastructure-related decisions. 🎯 Responsibilities Design and define scalable software architectures (microservices, event-driven, etc.) Lead technical decisions and define development standards Actively participate in development (hands-on) Collaborate with frontend (React) and backend teams Define integration strategies (REST APIs, messaging, etc.) Work closely with infrastructure/DevOps teams Ensure best practices (clean code, testing, security, performance) Evaluate new technologies and tools Mentor developers ✅ Technical Requirements Backend \+7 years of experience with Java Experience with frameworks such as Spring Boot / Spring Cloud Microservice architectures REST API design Experience with distributed systems Frontend Experience with React (not mandatory but highly valued) Knowledge of frontend architecture Infrastructure / DevOps Experience with: Docker / Kubernetes CI/CD (GitHub Actions, GitLab CI, Jenkins, etc.) Cloud platforms (AWS, GCP or Azure) Observability knowledge (logs, metrics, tracing) Databases SQL (PostgreSQL, MySQL, etc.) NoSQL (MongoDB, Redis, etc.) 🌟 Key Skills Architectural thinking Ability to make technical decisions Clear communication with both technical and non-technical teams Technical leadership Autonomy ✨ Nice to Have Experience with high-concurrency systems Event-driven architecture (Kafka, RabbitMQ) Security (OAuth2, JWT, etc.) Experience in fintech / e-commerce / high-traffic platforms 🎁 What We Offer 100% remote work Challenging projects Strong technical culture Flexible working hours Growth opportunities