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Babel Profiles Logo Babel Profiles · IT - Software Development

Senior Software Engineer with Python

Spain, Madrid · Job Posted March 26, 2026
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Job Description

Our client is a leading global platform for legal research and intelligence. They provide seamless access to one of the most comprehensive collections of legal information in the world – including case law, statutes, regulations, and expert commentary. By combining deep legal knowledge with the power of artificial intelligence and advanced analytics, helps legal professionals make faster, more informed decisions. As part of the team, you’ll help shape the future of legal tech, collaborating with a passionate and diverse group of experts. This is your chance to work on impactful technology that empowers law firms, universities, corporations, and governments around the world.

Job Responsibility

  • Build and maintain scalable, modular UI components using Lit.js and TypeScript
  • Work closely with designers, developers, and product managers to deliver responsive, high-performing web applications
  • Ensure accessibility compliance (WCAG), cross-browser compatibility, and mobile-first responsiveness
  • Optimize application performance using Lighthouse, DevTools, and best practices for Core Web Vitals
  • Integrate front-end applications with headless CMS platforms (e.g., Strapi) and backend services
  • Maintain high code quality through unit testing, code reviews, and adherence to best practices
  • Identify and troubleshoot frontend and backend issues in collaboration with QA engineers and cross-functional stakeholders

Requirements

  • 6+ years in frontend and backend development
  • Proficiency in TypeScript, Python, Lit, and Flask or FastAPI
  • Experience with Web Components, Strapi, Docker, Git, and CI/CD pipelines
  • Familiar with Core Web Vitals, Lighthouse, DevTools, and Unix systems
  • Strong debugging, testing, and performance optimization skills
  • Full professional level of English

Nice to have

React, Next.js, SSR, or SSG and background in legal or regulatory tech

What we offer

  • A dynamic, collaborative culture that encourages innovation
  • Flexible working hours and remote-friendly policies
  • Focus on mental health and holistic well-being
  • Ongoing professional growth and development opportunities
  • Diverse, multicultural teams
  • A space where creativity and experimentation are welcomed
  • Regular team-building activities and community engagement
  • Access to cutting-edge legal technology platforms and tools
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