Senior Software Engineer (Python, TypeScript and Lit)

Babel Profiles; Barcelona; A distancia; EUR 50.000 - 75.000; Jornada completa

Descripción de la vacante

A leading legal technology firm in Barcelona is looking for a skilled developer to enhance their innovative legal research platform. Your role will involve building modular UI components, optimizing performance, and collaborating with a diverse team. Ideal candidates will have over 6 years of experience in both frontend and backend development, particularly with TypeScript and Python. The company promotes a flexible work environment and values professional growth.

Servicios

Dynamic, collaborative culture

Flexible working hours

Focus on mental health

Ongoing professional growth opportunities

Diverse, multicultural teams

Formación

• 6+ years in frontend and backend development.
• Experience with performance optimization skills.
• Familiar with Core Web Vitals and DevTools.

Responsabilidades

• Build and maintain scalable, modular UI components using Lit.js and TypeScript.
• Ensure accessibility compliance and cross-browser compatibility.
• Integrate front-end applications with headless CMS platforms.

Conocimientos

TypeScript

Python

Lit

Flask

FastAPI

Web Components

Docker

Git

CI / CD pipelines

React

Next.js

Descripción del empleo

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.

Ready to be part of something meaningful? Let’s build the future of legal intelligence

Main responsibilities

• 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

Core skills / experience

• 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
• Nice to have : React, Next.js, SSR, or SSG and background in legal or regulatory tech

What's on 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

Our recruitment process?

• Step 1 : Interview with one of our recruiter
• Step 2 : Interview with Hiring Manager
• Step 3 : Interview with the Director