Job Summary: We are seeking a Senior Full Stack Developer to join a team building a comprehensive, modular ERP system spanning multiple domains and incorporating AI tools. Key Highlights: 1. Participation in a high-impact AI-powered product 2. Collaborative team focused on engineering best practices 3. Opportunity to influence architecture, standards, and technical roadmap Full Stack Developer (Node.js + React) and AI Location: Oeiras (hybrid model) Contract: Renewable for 6 months Compensation: up to €2500 + benefits / month (gross) Experience level: Senior Primary tech stack: Node.js, React, JavaScript, APIs, Databases, AWS (or similar)   About the project We are looking for a Full Stack Developer to join a team developing a complete, modular ERP system with multiple domains, including: Financial management Property management Marketing and sales Supplier management And other modules continuously evolving The ERP will feature multiple API integrations with existing platforms and incorporate AI tools for both analysis/reporting and user/customer interaction (e.g., assistants, automations, recommendations, intelligent chat/support). Responsibilities: End-to-end development and evolution of ERP modules (backend + frontend) Design and maintenance of APIs (REST and/or other approaches), integrations, and synchronizations with external systems Database modeling and optimization (schemas, queries, performance, migrations) Backend implementation in Node.js (architecture, security, validations, testing) UI development in React (components, state management, performance, UX within product context) Cloud environment operations (AWS or similar): deployment, scalability, observability Ensuring quality via testing, code reviews, product documentation, and engineering practices (CI/CD, monitoring, logging) Collaboration with product/tech teams on technical discovery, architectural decisions, and iterative deliveries Requirements: Solid full-stack development experience Node.js and React experience in production product contexts (not just prototypes) JavaScript (ideally with strong coding practices and design patterns) Experience with APIs and system integrations (authentication, retries, rate limiting, idempotency, webhooks, etc.) Database experience (MySQL or others) and data model design Experience working with AWS (or equivalent infrastructure) and awareness of environments (dev/stage/prod) Best practices: Git, team collaboration, quality focus, and delivery discipline Nice-to-have: Experience managing and implementing database systems on Linux Docker, CI/CD (GitHub Actions/GitLab CI), Infrastructure as Code (Terraform/CloudFormation) Modular architectures (well-structured monolith, microservices, event-driven, queues) Observability (structured logs, metrics, tracing) Experience developing and integrating AI tools, e.g.: Integration with AI/LLM APIs RAG (retrieval + generation), embeddings, semantic search Automated reporting and intelligent analytics User-facing assistants (chat/voice), data classification and extraction What we offer Participation in a high-impact product (core business ERP with multiple modules and integrations) Collaborative team focused on engineering best practices Opportunity to influence architecture, standards, and technical roadmap Competitive compensation aligned with experience: up to €2500 + benefits / month (gross) Flexibility: hybrid model (on-site and remote) Application Send your CV + a brief summary (5–10 lines) of your experience to our email.