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# Senior Frontend Engineer (Ai Saas)

- **Company:** Landbot
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Adobe InDesign, Artificial Intelligence, Software as a Service, Mobile Application Software, Performance Tuning, TypeScript, Web Applications, ReactJS, Front End Software Development, React Redux, Software Coding
- **Published:** July 29, 2026
- **Apply:** https://www.buscojobs.com.es/senior-frontend-engineer-ai-saas-en-madrid-ID-364363236

## About the Role

Deep experience with testing at all levels: unit, integration, functional, and E2EFamiliarity with performance optimization and scaling frontend applicationsStrong collaboration mindset, you value product, design, and cross-team partnershipsStrong expertise in TypeScript, React, Redux, and modern frontend ecosystemsExperience building and maintaining complex UIs with reusable components and/or micro-frontendsExperience shipping to production frequently (we deploy multiple times per day)We require eligibility to work in Spain and are also open to collaboration agreements(Bonus) Exposure to AI-driven interfaces or curiosity about designing UX for AI-powered featuresFluent in English and SpanishStrong software engineering fundamentals and ability to simplify complex problemsPassion for feedback, learning, and mentoring others to raise engineering standards
#J-*****-Ljbffr

## Description

ResponsibilitiesAt Landbot, we're building a high-performance team that blends engineering excellence, product mindset, and customer obsession.We believe quality and speed go hand in hand - and we're looking for a Senior Frontend Engineer to help us scale our platform and deliver real impactAs a Senior Frontend Engineer at Landbot, you'll play a key role in shaping how users interact with our product.This is not just about writing code, it's about crafting experiences, building systems that scale, and helping evolve our platform to meet tomorrow's challengesWrite clean, maintainable, and testable code, with simplicity and quality as guiding principlesCollaborate closely with Product and Design teams to deliver exceptional user experiencesAct as a go-to expert in testing, driving a quality-first mindset across the frontendBuild reusable UI components and design systems adaptable to different contexts: web apps, browser extensions, desktop, and mobile applicationsProvide technical leadership in design discussions and decisions that impact multiple teams or the company as a wholeMake thoughtful trade-offs between short-term delivery needs and long-term technical healthDocument your work rigorously (ADRs, RFCs, postmortems) and share learnings across the orgStay ahead of industry best practices and bring fresh, practical ideas into the teamLead by example: mentor teammates, give constructive feedback, and raise the engineering barThis role blends hands?on engineering with technical leadership: you'll be a go?to reference for frontend excellence and help elevate the entire teamYou bring a Product-Engineering mindset: solving user problems and improving the product is your ultimate goalStay close to the user: deeply understand who they are, their problems, frustrations, and behaviors.Great engineers don't just write code - they connect technology to real people, ensuring our work creates meaningful impact in the market and in users' livesYou are your own first user: you live and breathe the product, ensuring it meets your own high standards of qualityYou constantly ask: "Is this truly valuable? Will this feature improve our users' lives, reduce platform costs, or unlock impact?"You see user problems as shared problems, not "someone else's problem."You act with autonomy and accountability, ready to have an impact at both the product and team levelYou help create a culture of excellence, continuous learning, and ownershipBenefitsLive and work in sunny BarcelonaFriday happy hours and after hour weekly team meetingsFlexible holidays so you can take time off when you need itBonus transport tickets, educational content and all you need to feel empoweredReferral Bonus if you bring other talented people like youMacBooks are our standard, but we're happy to get you whatever equipment to get your job doneGreat culture & working atmosphereHybrid cultureQualificationsDeep experience with testing at all levels: unit, integration, functional, and E2EFamiliarity with performance optimization and scaling frontend applicationsStrong collaboration mindset, you value product, design, and cross-team partnershipsStrong expertise in TypeScript, React, Redux, and modern frontend ecosystemsExperience building and maintaining complex UIs with reusable components and/or micro-frontendsExperience shipping to production frequently (we deploy multiple times per day)We require eligibility to work in Spain and are also open to collaboration agreements(Bonus) Exposure to AI-driven interfaces or curiosity about designing UX for AI-powered featuresFluent in English and SpanishStrong software engineering fundamentals and ability to simplify complex problemsPassion for feedback, learning, and mentoring others to raise engineering standards#J-*****-Ljbffr


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