Senior Backend Engineer

This is a fully remote position, open to applicants in Spain.

📋 Description

• As a Backend Engineer, you will merge practical coding with the responsibility of guiding your team's technical direction and execution.

• Your position involves ensuring that the solutions we create are scalable, sustainable, and aligned with Landbot’s mission.

• You will serve as the captain of the team: embodying our values, energy, and attitude; translating product requirements into precise technical strategies; fostering engineering excellence and growth in your teammates; and maintaining team unity, motivation, and focus on creating meaningful impact for our users.

• Collaborate with Product to transform business objectives into clear technical strategies and plans.

• Steer technical decisions by balancing short-term effects with long-term viability.

• Design and enhance systems capable of scaling with traffic, data complexity, and AI-driven use cases.

• Write clean, maintainable code while consistently improving practices and quality.

• Mentor and support your team, leading by example in coding, reviews, and collaboration.

• Ensure the pace of delivery: minimize blockers, manage technical debt, and maintain sustainable flow.

⛳️ Requirements

• You are proficient 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 and MongoDB.

• You are comfortable working with complex backend architectures and approaches (e.g., Domain-Driven Design), understanding when to apply them for clarity and scalability, and when to avoid rigid applications that hinder delivery.

• You are passionate about testing everything: unit, integration, performance, and quality serve as your guiding principles.

• You are eager to explore how to integrate AI models into production systems, from API integration to performance and reliability optimization.

• Experience with AI/ML APIs, vector databases, or data pipelines is advantageous, but most importantly, you possess a mindset focused on building products where AI is a fundamental capability.

• You have a proven track record of developing web applications at scale and working with distributed systems.

• Hands-on experience managing services in production environments, along with knowledge of cloud infrastructure (GCP, AWS, or Azure), is essential.

• You are committed to continuous improvement: actively seeking feedback, providing constructive criticism, and raising standards for yourself and others.

• You thrive in collaborative settings, value feedback, and assist others in elevating their performance.

• You have a passion for your craft, the product, and the positive impact we create for our customers.

• Fluency in English and Spanish is required.

• Eligibility to work in Spain is necessary, and we are also open to collaboration agreements.

🏝️ Benefits

• Hybrid work model: the flexibility to work remotely, from our Barcelona office 🏙️, or a combination of both.

• A collaborative work environment.

• Flexible working hours.

• Paid time off and flexible holidays: 26 paid days per year (23 regular days + December 24th & 31st) 🎉, plus an additional day off for your birthday.

• Annual budget allocated for training and professional development 📚.

• Transportation ticket 🚋.

• English and Spanish language lessons 🇬🇧 🇪🇸.

• Flexible compensation plan through Cobee.

• Team-building activities.

• Referral program with bonuses for attracting talented professionals.