Senior Frontend Engineer - AI SaaS

About Landbot

Operating in more than 80 countries, Landbot offers a platform that helps companies to create unbeatable chatbot conversations in different channels:
Web, Whats App, and Messenger.

At 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 impact.

• Human-first:
  Empathy, respect, and diversity as drivers of innovation.
• Customer-centric:
  Value first; progress measured by real impact, not vanity metrics.
• Collaboration:
  
  One team, shared decisions, and early draft culture.
• Unity:
  Trust, psychological safety, and continuous improvement as teams of teams.
• Trust & commitment:
  Open debate, then full support once decisions are made.
• High performance:
  Accountability, resilience, and daily improvement.
• Adaptability:
  Curiosity, constant learning, and just enough process to stay agile.
• Challenging mindset:
  Question assumptions and the status quo to keep evolving.

As 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 challenges.

• Write clean, maintainable, and testable code, with simplicity and quality as guiding principles.
• Collaborate closely with Product and Design teams to deliver exceptional user experiences.
• Act as a go-to expert in testing
  , driving a quality-first mindset across the frontend.
• Build reusable UI components and design systems adaptable to different contexts: web apps, browser extensions, desktop, and mobile applications.
• Provide technical leadership in design discussions and decisions that impact multiple teams or the company as a whole.
• Make thoughtful trade-offs between short-term delivery needs and long-term technical health.
• Document your work rigorously (ADRs, RFCs, postmortems) and share learnings across the org.
• Stay ahead of industry best practices and bring fresh, practical ideas into the team.
• Lead by example: mentor teammates, give constructive feedback, and raise the engineering bar.

This role blends hands-on engineering with technical leadership
: you’ll be a go-to reference for frontend excellence and help elevate the entire team.

• You bring a Product-Engineering mindset
  : solving user problems and improving the product is your ultimate goal.
• Stay 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’ lives.
• You are your own first user: you live and breathe the product, ensuring it meets your own high standards of quality.
• You 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 level.
• You help create a culture of excellence, continuous learning, and ownership.

• Strong expertise in Type Script, React, Redux, and modern frontend ecosystems
• Deep experience with testing at all levels
  : unit, integration, functional, and E2E.
• Experience building and maintaining complex UIs with reusable components and/or micro-frontends.
• Strong software engineering fundamentals and ability to simplify complex problems.
• Experience shipping to production frequently (we deploy multiple times per day).
• Familiarity with performance optimization and scaling frontend applications.
• Passion for feedback, learning, and mentoring others to raise engineering standards.
• Strong collaboration mindset, you value product, design, and cross-team partnerships.
• (Bonus) Exposure to AI-driven interfaces or curiosity about designing UX for AI-powered features.
• Fluent in English and Spanish
  .
• We require eligibility to work in Spain and…