Fullstack Developer - Typescript/Node.js

About the position Optiveum is looking for experienced Full-stack Developers to join a long-term project delivered for a fast-growing, international technology company building AI-driven automation solutions for finance and accounting processes. Responsibilities • Develop full-stack features (React.js / Vite + Node.js / Express.js) • Build and optimize data processing pipelines (including AI/automation workflows) • Integrate with ERP/accounting systems • Participate in architecture discussions, code reviews, and sprint planning Requirements • 3+ years of experience with TypeScript, Node.js, Express.js • Experience with cloud environments (AWS, GCP, Kubernetes) • Strong knowledge of REST APIs, RabbitMQ, PostgreSQL, MongoDB • Understanding of distributed systems, OOP & FP principles (KISS, DRY) • Ability to write clean, maintainable code and test your solutions • Fluent Polish & English Nice-to-haves • Experience with AI / LLM integrations • Knowledge of ERP or accounting systems • Experience with React, Zustand, SCSS • Familiarity with Grafana / Datadog Apply tot his job