Senior Software Engineer (Python, TypeScript and Lit)

Babel Profiles; Santander; Híbrido; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

A global legal tech company in Santander is seeking a developer experienced in both frontend and backend development to build scalable UI components using Lit.js and TypeScript. The role emphasizes performance optimization and accessibility compliance. Ideal candidates have over 6 years of experience and proficiency in TypeScript and Python. The position offers flexible working hours, a dynamic culture focused on mental health, and opportunities for professional development.

Servicios

Flexible working hours

Focus on mental health

Ongoing professional growth

Formación

• 6+ years in frontend and backend development.
• Proficiency in TypeScript, Python, and Lit.
• Experience with Web Components and backend services.

Responsabilidades

• Build and maintain scalable UI components using Lit.js.
• Ensure accessibility compliance and optimize performance.
• Integrate front-end applications with backend services.

Conocimientos

Frontend development

Backend development

TypeScript

Python

Performance optimization

Herramientas

Lit.js

Flask

FastAPI

Docker

Git

Strapi

CI/CD pipelines

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