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Landbot

Senior Backend Engineer

Landbot

. As a Backend Engineer , you will combine hands-on coding with the responsibility of guiding your team’s technical direction and execution.

Posted 4/20/2026full-timeRemote • 🇪🇸 SpainSeniorWebsite

Tech Stack

Tools & technologies
AWSAzureCloudDistributed SystemsGoogle Cloud PlatformJavaScriptMongoDBMySQLNode.jsNoSQLPostgresPythonRedisTypeScript

About the role

Key responsibilities & impact
  • As a Backend Engineer , you will combine hands-on coding with the responsibility of guiding your team’s technical direction and execution.
  • Your role is to ensure that the solutions we build are scalable, maintainable, and aligned with Landbot’s mission.
  • You will act as the captain of the team: Embodying our values, energy, and attitude, Translating product requirements into clear technical strategies, Fostering engineering excellence and growth in your teammates, And keeping the team united, motivated, and focused on building meaningful impact for our users.
  • Partner with Product to turn business goals into clear technical strategies and plans.
  • Guide technical decisions balancing short-term impact with long-term sustainability.
  • Design & evolve systems that scale with traffic, data complexity, and AI-driven use cases.
  • Write clean, maintainable code while continuously improving practices and quality.
  • Mentor and support your team, leading by example in code, reviews, and collaboration.
  • Safeguard delivery pace: reduce blockers, manage technical debt, and keep flow sustainable.

Requirements

What you’ll need
  • You’re fluent in modern backend stacks (e.g., Node.js, TypeScript, Python ) and have experience with relational databases ( Postgres, MySQL ) as well as NoSQL systems like Redis, MongoDB.
  • You’re comfortable working with complex backend stacks and architectural approaches (e.g., Domain-Driven Design), knowing when to leverage them to bring clarity and scalability—and when to avoid dogmatic application that slows delivery.
  • Passionate about testing everything : unit, integration, performance, quality is your compass.
  • You’re curious about how to bring AI models into production systems, from integrating APIs to optimizing performance and reliability.
  • Experience with AI/ML APIs, vector databases, or data pipelines is a plus, but above all you bring a mindset of building products where AI becomes a core capability.
  • Proven experience building web applications at scale and working with distributed systems.
  • Hands-on experience operating services in production environments , with knowledge of cloud infrastructure (GCP, AWS, or Azure).
  • Obsessed with continuous improvement: you seek feedback, give constructive feedback, and raise the bar for yourself and others.
  • You thrive in collaborative environments, value feedback, and help others raise the bar.
  • You’re passionate about your craft, the product, and the impact we create for our customers.
  • Fluent in English and Spanish.
  • We require eligibility to work in Spain and are also open to collaboration agreements.

Benefits

Comp & perks
  • Hybrid work model: flexibility to work remotely, from our Barcelona office 🏙️, or a combination of both.
  • Collaborative work environment.
  • Flexible working hours.
  • Paid time off and flexible holidays: 26 paid days per year (23 regular days + December 24th & 31st) 🎉, plus one additional day off on your birthday.
  • Annual budget for training and professional development 📚.
  • Transportation ticket 🚋.
  • English and Spanish lessons 🇬🇧 🇪🇸.
  • Flexible compensation plan through Cobee.
  • Team-building activities.
  • Referral program with bonuses for bringing in talented professionals.

ATS Keywords

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Hard Skills & Tools
Node.jsTypeScriptPythonPostgresMySQLRedisMongoDBDomain-Driven DesignAI/ML APIsdata pipelines
Soft Skills
mentoringcollaborationcontinuous improvementfeedbackleadershipteam motivationtechnical guidanceproblem-solvingcommunicationpassion for craft