Senior Front-end Software Engineer - React/JS + UI/UX Experience en Madrid

Responsibilities

• Develop new data visualization and real-time control functionality for our network optimization product
• Design an appealing and consistent UX/UI for our product.
• Participate in the on-going migration of our Graphical User Interface, which was previously based on native JavaScript and jQuery, to a React framework.

‍

Minimum Qualifications

• Bachelor's degree in Computer Science or a related field.
• 10+ years of software development experience.
• Expert skills in vanilla JavaScript and jQuery programming.
• Expert skills working in React with recent experience in ES6.
• Expert skills in HTML5, CSS3 and Bootstrap.
• Working experience with Node.js.
• Significant experience with data visualization libraries for browsers, like D3.
• Experience with React UI component libraries like MUI.
• UX/UI experience
• Experience with Linux development environment (basic shell commands, make, etc.) and tools (especially GIT using the command line).
• Linux system administration skills (to manage your Linux laptop for development).
• Proficient in English (fluent in reading, writing, and speaking).
• EU nationality or Spanish work permit already granted.

‍

Desired Qualifications

• Experience with Test-Driven Development (TDD) & TypeScript
• Experience with scripting in sh/bash shell and Linux tools (awk, sed, etc.)
• Experience with imaging tools: GIMP, Inkspace, etc.
• Experience with virtual environments (KVM, VMware or VirtualBox) and containers (docker, Kubernetes).

‍

We offer:

• Full-time indefinite-term employment contract
• Competitive salary (60K€ - 100K€, depending on experience and qualifications)
• Work with top-level engineering group in a successful technology start-up