SENIOR FRONT-END DEVELOPER – VALLADOLID

Description

Job Summary: We are seeking a Senior Front-end Developer to strengthen our Digital Area, with experience in advanced interfaces for web (React) and desktop (PyQt), valuing design and software architecture. Key Highlights: 1. Develop and maintain efficient user interfaces using React and PyQt. 2. Participate in the technical and functional definition of projects. 3. Collaborate with backend, design, and product teams. **Description:** ---------------- At **GRUPO** **PROMAN**, we are recruiting a Senior Front\-end Developer to reinforce and complete the Digital Area for a company located in Valladolid. We seek a candidate with experience developing advanced interfaces—both web (React) and desktop (PyQt)—with sensitivity toward design, best practices, and software architecture. **Candidate Competencies:** Commitment and engagement with projects. Analytical ability and critical thinking. Strong communication skills and teamwork orientation. Proactivity in proposing improvements and learning new technologies. Quality- and user-experience-oriented mindset. **Responsibilities:** Develop and maintain user interfaces using React and PyQt, applying clean and efficient patterns. Participate in the technical and functional definition of projects, contributing ideas and improvement proposals. Create and maintain technical documentation for developed solutions. Support maintenance tasks, incident resolution, and other related activities as needed. Coordinate with other teams: backend, design, product, industrial, etc. **Offered:** Intensive morning working schedule from Monday to Friday. Stability. Direct employment contract with the company. Salary negotiable based on experience and profile. **If you aspire to grow within a major company, this is your opportunity!** **Requirements:** --------------- Solid experience with PyQt5 / PyQt6 or PySide2/6\. Experience with React, modern TypeScript/JavaScript. Knowledge of Python (data structures, OOP). Experience in UX/UI design (Figma, Uizard, Mockplus…). Experience integrating REST APIs. Knowledge of real-time communication: WebSockets or MQTT. Familiarity with JSON and configuration files (YAML/JSON). Ability to develop robust, efficient, and stable interfaces.