Job Summary: We are looking for a Senior Full Stack Developer to join a team building a comprehensive, modular ERP system spanning multiple domains and incorporating AI. Key Highlights: 1. Participation in a high-impact product (core ERP of the business) 2. Opportunity to influence architecture, standards, and technical roadmap 3. Collaborative team focused on engineering best practices 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 seeking 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-based integrations with existing platforms and will 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) Collaborating with product/tech teams on technical discovery, architectural decisions, and iterative deliveries Requirements: Solid full-stack development experience Node.js and React used in production-grade product contexts (not just prototypes) JavaScript (ideally following strong coding practices and 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 understanding of environments (dev/stage/prod) Strong engineering practices: Git, team collaboration, quality focus, delivery orientation Preferred qualifications: 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, for example: Integration with AI/LLM APIs RAG (retrieval + generation), embeddings, semantic search Automation of reporting and intelligent analytics User-facing assistants (chat/voice), data classification and extraction What we offer Participation in a high-impact product (core ERP of the business, 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 Please send your CV + a brief summary (5–10 lines) of your experience to our email.