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Backend Developer (AI)

Terra

Job Location:

Bilbao - Spain

Yearly Salary: € 28000 - 35000

Posted: 22 August 2026 (10 hours ago)

Application Deadline: 19 November 2026

Vacancies: 1 Vacancy

Job Summary

Terra is seeking an experienced Backend Developer to help build and scale the platform that powers our next generation of AI Products. This role is ideal for someone who enjoys solving complex technical challenges designing scalable systems and building reliable infrastructure that enables intelligent real world solutions. Youll work closely with our Backend Development team to design build evolve services integrations and architecture that support both internal teams and customer-facing products. Must be fluent in English.

What Youll Do

Design build and maintain the backend services APIs and infrastructure that power Terras products and AI platform.
Build reusable integrations with third-party platforms business systems and external APIs to create seamless customer solutions.
Develop scalable workflows and automation that improve both internal operations and customer-facing experiences.
Collaborate closely with Product Design and Engineering to turn ideas into production-ready features iterating quickly based on feedback.
Prototype new solutions rapidly validate assumptions and evolve them into reliable scalable products.
Extend and integrate existing platformsincluding CMSs automation tools and other business systemswhen they provide the best solution for the problem.
Use AI development tools to accelerate implementation automate repetitive work and improve engineering productivity while maintaining high standards for code quality and system design.
Design systems that are reliable secure maintainable and easy for other developers to build upon.
Troubleshoot complex technical issues improve platform performance and continuously identify opportunities to simplify architecture and developer workflows.
Contribute to engineering best practices through code reviews documentation testing and knowledge sharing.

Who You Are

Youre an experienced software engineer with 3 years of experience building scalable applications platforms or backend services.
You enjoy solving complex technical problems and turning ambiguous requirements into pragmatic scalable solutions.
Youve built software that solves real business problems across different customers industries or use cases.
Youre comfortable working across different parts of the technology stack integrating with APIs third-party platforms content systems and business tools to deliver complete solutions.
Youre comfortable working with existing platforms and extending them when needed whether thats integrating a CMS connecting third-party services or building custom solutions on top of existing products.
Youre a versatile engineer who enjoys learning new technologies and domains quickly and youre comfortable picking up unfamiliar systems when the problem calls for it.
You think beyond code understanding how technical decisions impact users customers and the business.
Youre comfortable owning projects end-to-end from architecture and implementation to deployment and continuous improvement.
You know how to leverage AI development tools effectivelybreaking down problems providing clear context reviewing outputs critically and guiding AI to produce high-quality solutions rather than expecting it to solve problems on its own.
You enjoy working in collaborative cross-functional teams and communicating effectively with engineering product and design.
Youre proactive curious and always looking for better ways to build automate and simplify complex workflows.
Youre passionate about writing clean maintainable code and building systems that are reliable scalable and easy to extend.
You thrive in fast-moving environments where priorities evolve quickly experimentation is encouraged and delivering value matters.
Youre fluent in English.

Perks and Benefits

15 observed holidays 23 PTO days per year
Indefinite contract following a trial period of 6 months
Permanent remote work work from home stipend
Dedicated budget for professional development
Compensated onsite retreats at our Bilbao HQ
Access to Wellhub a wellness benefit with access to thousands of gyms and studios and online classes
The opportunity to join a dynamic close-knit team that loves going to work with and for each other every day

28000 - 35000 a year

Compensation range is commensurate with experience and location with opportunities for further growth.

About Terra

Terra is a digital marketing and creative agency built by an integrated and international team of content creators strategists designers and developers. We help organizations reimagine and deliver their most ambitious digital projects and initiatives by acting as an extension of our clients teams and delivering exceptional online experiences content and marketing strategies.

Our team is innovative tech-forward and creative by nature. We are dedicated to pushing boundaries and staying ahead of the curve in todays ever-evolving digital landscape. We believe in the power of collaboration and foster a work environment that encourages creativity and growth. And with a strong focus on work-life balance we prioritize the well-being and career development of our team members. Finally we are committed to promoting from within and offering meaningful opportunities for professional growth.

Terra is also an equal opportunity employer.

We recruit employ train compensate and promote team members regardless of their race religion color national origin sex disability age veteran status or any other protected status (as required by applicable law).

Our top goal as an employer is to bring together a diverse mix of talented people who are excited to join our company stay with Terra for a long time and do their best work while theyre here. We take pride in the quality of the services and work we provide to our clients and we know none of it is possible without the hard work and commitment of our passionate and creative employees.

Required Experience:

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