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Job
Frontend Engineer (React + TypeScript + Node.js)
Frontend Developer
• On-site
• Full-time
•
Madrid, Spain
You will work as a frontend engineer on large-scale digital products in the knowmad mood team, using React, TypeScript and Node.js. Permanent contract, 100% remote.
Responsibilities
- ▹Take part in analysing the requirements and features defined by the product team
- ▹Propose technical solutions, estimate effort and help define application architecture
- ▹Implement new features using React, TypeScript and the corporate frontend ecosystem
- ▹Develop and integrate applications with backend APIs and services, ensuring scalability and performance
- ▹Take part in designing and evolving SSR, BFF and SPA based applications
- ▹Write unit tests and deliver high-quality, well-structured, maintainable code
- ▹Manage branches, code reviews and deployments, and monitor the solutions you build
- ▹Ensure the correct evolution and maintenance of the components the platform needs to work
- ▹Take part in adopting new capabilities related to generative AI, development assistants and intelligent agents
Requirements
- ▹At least 5 years of experience as a Frontend Engineer, Full Stack Engineer or Technical Consultant in web development, on large-scale digital products
- ▹Experience developing modern web applications using ReactJS, TypeScript and JavaScript (ES2022+)
- ▹Experience with SSR (Server Side Rendering), SPA (Single Page Application) and Backend for Frontend (BFF) architectures
- ▹Solid knowledge of Node.js and Express for developing and integrating services
- ▹Experience in frontend development based on React Hooks and component architecture best practices
- ▹Experience with automated testing using Jest, React Testing Library, Mocha and Chai
- ▹Knowledge of modern frontend ecosystem tools such as Rsbuild, pnpm Workspaces, Turborepo and Biome
- ▹Experience integrating with APIs and building scalable, maintainable, business-oriented interfaces
- ▹Interest in and knowledge of generative AI, development with AI agents and new AI-based productivity tools
- ▹Ability to work in Agile/Scrum environments and collaborate with multidisciplinary teams
- ▹Good attitude, technological curiosity, ability to learn and willingness to collaborate with experienced teams
Nice to have
- ▹React 19, Server Components and modern frontend architectures
- ▹Micro-frontends and distributed application design
- ▹Experimentation and feature flag tools such as GrowthBook
- ▹Information architecture and design of scalable digital experiences
- ▹Integration of AI solutions into digital products
- ▹Tools and frameworks related to AI agents and intelligent automation
- ▹Frontend performance, accessibility and observability best practices
- ▹Agile/Scrum methodologies and DevOps culture
- ▹Ability to balance proactivity and autonomy with alignment to the team's technical decisions
Soft skills
Good attitudeTechnological curiosityAbility to learnCollaboration with experienced teamsProactivity and autonomy in line with team decisions
What we offer
- ▹Permanent contract
- ▹100% remote
- ▹Internal training and access to certifications
- ▹Flexible compensation plan (health insurance, transport, childcare and meal vouchers)
- ▹Refer-a-friend program with a bonus
- ▹Events, meetups, techdays and talks
- ▹26 days off (22 days of holiday, 2 days of free disposal, and 24 and 31 December as default holidays)
- ▹Flexible hours: Monday to Thursday 8:30 to 18:00, Friday 8:00 to 15:00; summer schedule in July and August, 8:00 to 15:00
About the company
knowmad mood is a leading digital transformation company with more than 3,000 creative, digital and innovative people. Its values are collaboration, innovation, commitment, fun and trust.
Languages: Spanyol: munkanyelv
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