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Frontend Engineer (React + TypeScript + Node.js)

Remote, Madrid·Added 5 days ago

knowmad mood

381 open roles

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Overview

Job details

Permanent contract
Per the ad.
Fully remote
Per the ad.

Requirements

Have the right to work in Spain
knowmad mood doesn't mention sponsorship in the ad.
Have 5+ years of experience
Mid-level role.

This job was automatically translated to English.

Pay & benefits

What you'll get

✅Permanent contract

✅ 100% REMOTE

✅In-house training and access to certifications ♻Check out our calendar here:

https://www.knowmadmood.com/en/talent/training

✅Flexible compensation plan (health insurance, transport, childcare vouchers, restaurant cards)

✅Brand ambassador program through our referral plan

Refer your friends and earn extra rewards!

✅Events, meetups, techdays, talks... and much more!

✅ 26 days of annual leave (22 vacation days, 2 personal days, and 24 and 31 December as company holidays by default)

✅ Working hours: 8:30 to 18:00 (Monday to Thursday) and 8:00 to 15:00 on Fridays, with an intensive summer schedule from July to August from 8:00 to 15:00.

Requirements

What we're looking for

What do we value?

At least 5 years of experience as a Frontend Engineer, Full Stack Engineer, or Web Development Technical Consultant, participating in large-scale digital products.

• Experience in the development of modern web applications using ReactJS, TypeScript, and JavaScript (ES2022+).

• Experience in SSR (Server Side Rendering), SPA (Single Page Applications) architectures, and Backend for Frontend (BFF) patterns.

• Solid knowledge of Node.js and Express for service development and integration.

• Experience in frontend development based on React Hooks and component architecture best practices.

• Experience working with automated testing using Jest, React Testing Library, Mocha, and Chai.

• Knowledge of modern tools in the frontend ecosystem such as Rsbuild, pnpm Workspaces, Turborepo, and Biome.

• Experience in API integration and building scalable, maintainable, and business-oriented interfaces.

• Interest and knowledge in Generative Artificial Intelligence, development with AI agents, and new AI-based productivity tools.

• Ability to work in Agile/Scrum environments and collaborate with multidisciplinary teams.

• Very good attitude, technological curiosity, capacity for learning, and willingness to work collaboratively with experienced teams.

Nice to have

Additionally, we will highly value if you have experience and/or knowledge in:

• React 19, Server Components, and modern frontend architectures.

• Micro-frontends and distributed application design.

• Experimentation tools and feature flags 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.

• Best practices in frontend performance, accessibility, and observability.

• Agile/Scrum methodologies and DevOps culture.

• Ability to balance proactivity, autonomy, and alignment with the team's technical decisions.

The role

What you'll do

• Functional Analysis: Participate in the analysis of requirements and functionalities defined by the product team.

• Technical Solution Design: Propose technical solutions, perform effort estimations, and collaborate in defining the application architecture.

• Frontend Development: Implement new functionalities using React, TypeScript, and the corporate frontend ecosystem technologies.

• Backend Integration: Develop and integrate applications with APIs and backend services, ensuring scalability and performance.

• Modern Web Architecture: Participate in the design and evolution of applications based on SSR, BFF, and SPA.

• Testing and Quality: Develop unit tests and ensure high-quality, well-structured, and maintainable code deliveries.

• Code and Deployment Management: Manage branches, code reviews, deployments, and monitoring of the developed solutions.

• Evolutionary Maintenance: Ensure the correct evolution and maintenance of the components necessary for the correct functioning of the platform.

• Innovation and AI: Participate in the adoption of new capabilities related to Generative AI, development assistants, and intelligent agents.

About knowmad mood

knowmad mood is an IT consulting and technology services company based in Madrid, Spain, specializing in digital transformation, cloud infrastructure, data engineering, cybersecurity, and enterprise software development. With a strong focus on emerging technologies like AI, automation, and DevOps, the company serves clients across sectors including insurance, retail, and manufacturing, offering both project-based consulting and managed services. They operate with a distributed team model, supporting remote and hybrid work across Spain.

For international professionals, knowmad mood offers a dynamic and flexible work environment with many roles available as 100% remote or hybrid positions across Spain, including in Madrid, Barcelona, and Palma de Mallorca. The company emphasizes continuous learning and innovation, making it an attractive option for tech talent looking to work on modern stacks like Java, Kubernetes, Azure, GCP, and AI platforms. While the company is Spanish-founded, its client base and project scope often require English proficiency, providing opportunities for non-Spanish speakers to integrate.

Industry: IT Consulting
Founded: 2010
Employees: 500–1,000
Headquarters: Madrid, Spain
In Spain: Madrid, Barcelona, Palma de Mallorca
Website: knowmadmood.com

Good to know if you are moving

Many roles are offered as 100% remote within Spain, providing flexibility for international hires to live anywhere in the country.
The company has offices in Madrid, Barcelona, and Palma de Mallorca, offering options for hybrid work in major Spanish cities.
English proficiency is required for many positions, making it accessible for non-Spanish speakers.
knowmad mood focuses on modern technologies like Java, Kubernetes, Azure, GCP, and AI, offering opportunities to work on cutting-edge projects.
The company supports professional development with a strong emphasis on certifications and continuous learning.

In their own words

About the company & team

We are knowmad mood!

We are a leading company in digital transformation, constantly evolving and at the forefront of technology. We were born to drive real change through innovation and sustainable development, with the mission of delivering value to our clients and empowering our talent.

Made up of more than 3,000 creative, digital, and innovative people connected by a shared purpose and capable of building connections with people around the world. A responsible, flexible team with a high capacity to adapt to the needs of our clients and the market, while delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project.

The values that guide our path and lead us toward excellence are collaboration, innovation, commitment, fun, and trust.

Additional information

To stay up to date with our news, follow us here -> knowmad mood

At knowmad mood, we are committed to equal opportunities and respect for diversity. We apply our Equality Plan and the principle of non-discrimination in all our recruitment processes.

All open roles at knowmad mood