Senior Back-end Developer | Remote flexible - H/F

Landbot is an AI-first SaaS company building AI Agents that help businesses deliver exceptional experiences to their users. 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 Backend Engineer to help us scale our platform and deliver real impact.

Empathy, respect, and diversity as drivers of innovation.
Customer-centric: Collaboration: One team, shared decisions, and early draft culture.
Trust, psychological safety, and continuous improvement as teams of teams.
High performance: Curiosity, constant learning, and just enough process to stay agile.
As a Backend Engineer , you will combine hands-on coding with the responsibility of guiding your team’s technical direction and execution. Translating product requirements into clear technical strategies,
And keeping the team united, motivated, and focused on building meaningful impact for our users.
You won’t lead by spotlight or authority, but by example, care, and clarity —helping the team grow week after week, keeping its identity alive, and strengthening its soul.
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.
Safeguard delivery pace : reduce blockers, manage technical debt, and keep flow sustainable.

You bring a product engineering mindset : your focus is always on building quality features that create real value.
Does it improve the customer’s life? You balance speed and quality : knowing that quality isn’t the opposite of agility but its foundation.
Act as a bridge across teams: communicate risks, trade-offs, and timelines with stakeholders in a clear, constructive way.
Manage technical debt : make it visible, measurable, and actionable, creating structured repayment plans that align with business priorities.

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., 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 .
2️⃣ Interview with the Director of Engineering (60 min)- In this stage, you’ll meet our Director of Engineering , who will dive deeper into your experience, ways of working, and technical perspective . 3️⃣ Technical Interview with the Tech Team (60 min) - You’ll meet members of our tech team to go deeper into your technical experience. It’s a two-way conversation, so feel free to ask about our challenges, tech stack, and ways of working.
Hybrid work model: flexibility to work remotely, from our Barcelona office ️, or a combination of both.
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 .
English and Spanish lessons .
Flexible compensation plan through Cobee.
Team-building activities.
Referral program with bonuses for bringing in talented professionals.