10 publicaciones de empleo destacadas de frontend en gràcia barcelona, ct (¡Están contratando!)

Senior Backend Engineer – AI Agents
SeQura —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Español
- Inglés
- Java
Solicitud rápida
Senior Backend Engineer
Caravelo —Barcelona, Barcelona provincia
- Oficina
- Java
- JavaScript
- Abono gimnasio
Solicitud rápida
Sr .NET developer (teletrabajo híbrido)
Oxigent —Barcelona, Barcelona provincia
- 58.000 € al año
- Trabajo híbrido
- Azure
- DevOps
- Seguro médico privado
- Teletrabajo opcional
Senior Network & Edge Security Engineer
dLocal —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Azure
- DevOps
- Inglés
Solicitud rápida
4d
Technical Lead Consultant DXP (m/w/d)
UDG Ludwigsburg GmbH —Barcelona, Barcelona provincia
- Jornada completa
- Oficina
Solicitud rápida
1d
Backend - Arquitectura & Microservicios
The Yellow Nest Group —Terrassa, Barcelona provincia
- Trabajo híbrido
- DevOps
- Bases de datos
- AWS
Solicitud rápida
QA Engineer
Surt AI —Barcelona, Barcelona provincia
Solicitud rápida
Senior Backend / API Developer (Web3)
Merlin Digital Partner —Barcelona, Barcelona provincia
- Trabajo híbrido
- Español
- Informática
- DevOps
Solicitud rápida
Backend Developer Sr. (Data & AI Platform)
Velorum —Barcelona, Barcelona provincia
- Jornada completa
- Azure
- DevOps
- Java
Solicitud rápida
Robotics Developer
Novanta —Barcelona, Barcelona provincia
- Jornada completa
- Español
- Informática
- Inglés
1h

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Senior Backend Engineer – AI Agents

SeQura
Barcelona, Barcelona provincia

Solicitud rápida

Detalles del empleo

Jornada completa

Cualificaciones

Español
Derecho
Inglés
Java
Máster
Programación orientada a objetos
Grado
Ruby on Rails
JavaScript
Agile
Inteligencia artificial
Python

Descripción completa del empleo

About seQura

seQura provides innovative, flexible and easy-to-use payment technologies that help merchants acquire, convert and retain more customers.

We make a difference in sales performance by tailoring our solutions to different sectors, to address their unique pain points and deliver superior results in Retail, Education, Eyewear, Repairs and Travel.

We also empower smart shopping to consumers who seek more value, convenience, and flexibility in their shopping, with new payment experiences that allow them to save, access interest-free credit, or pay in small, comfortable installments of up to 24 months.

Born in Barcelona, seQura is a privately-owned fintech, currently expanding throughout southern Europe and Latin America, growing above 50% CAGR.
Over 6000 businesses, almost 3 million shoppers, and almost 400 employees continue to rate us as one of the most loved and trusted fintechs out there, with an NPS of 87%, a Trustpilot rating of 4.7/5, and a Glassdoor rating of 4.1/5.

About the role

We are building seQura’s Smart Agent platform, an intelligent agent system that guides shoppers before, during, and after their purchases. The platform relies on LLMs for human-like interaction, combined with retrieval-augmented generation (RAG) over SeQura’s data, crawling, and structured product/taxonomy information.

This role does not require AI research, data science, or mathematical modeling—all AI/LLM frameworks are already in place. What matters is building solid, production-grade backend systems that allow these agents to reason over shopper needs safely and effectively.

You will:

Build robust, scalable backend systems for agent workflows, handling context, state, and interactions.
Integrate AI agent capabilities with core platforms (payments, shopper accounts, risk, merchant services) safely and efficiently.
Use RAG frameworks and structured data to provide intelligent responses, without fine-tuning models.
Collaborate with Product, Frontend, Data, and AI teams to design systems and shape the shopper experience.

What you will do

Design and build the backend foundations of seQura’s Smart Agent platform to assist shoppers throughout the purchase lifecycle.
Transform ambiguous product ideas and shopper needs into reliable, scalable backend services.
Orchestrate agent workflows across multiple services, managing context, state, and interactions.
Integrate intelligent agent capabilities with core platforms safely and efficiently.
Contribute to architectural decisions with clarity and simplicity in mind.
Collaborate effectively with cross-functional teams, driving alignment and shared ownership.
Monitor, optimize, and improve production systems, ensuring high performance, availability, and reliability.

What success look like:

The Smart Agent platform operates at scale, handling complex shopper interactions with reliability and speed.
Agents consistently find and act on the right context to guide shoppers effectively.
Backend systems are robust, maintainable, and integrated seamlessly with core services.
Strong collaboration across Product, AI, and Engineering teams, with clear ownership and accountability.

What you’ll need

Must-have:

5+ years of experience as a Backend Engineer.
Experience in production-grade backend systems (Ruby on Rails preferred; Python, Kotlin, Java, Elixir, or JS also valued).
Strong knowledge of OOP, clean coding, TDD, and agile principles.
Experience with agentic systems or LLM-powered agents (RAG, workflow orchestration, chatbots).
English proficiency (Spanish nice to have).
Attitude, ownership, and pragmatic mindset—able to build backend systems that support AI agents without needing DS skills.

Nice-to-have:

Located in Barcelona or willing to relocate.
Experience scaling backend services to high concurrency and low latency.

Deal-breakers:

Pure feature delivery mindset without strategic/platform thinking.
Weak stakeholder management or low autonomy.
Not data-driven.

What we offer

Secure, reliable, and supportive workplace with freedom to contribute your best.
Fellowship and supportive culture fostering a sense of belonging.
Challenging projects to grow your skills and knowledge.
Unique, inspiring office environment in Barcelona.
23 vacation days + 2 free disposal days/year.
Flexible compensation plan for transportation, restaurants, and kindergarten with Cobee.
Health insurance discounts with Sanitas and DKV.
Flexible working hours and hybrid or remote options.
Personal budget for professional development.
Office workshops and meet-ups for community participation and career growth.
Holistic Wellness Program covering occupational, physical, financial, emotional, social, and environmental consciousness, with 34 activities to choose from.

Which are the next steps?

Interview with People Team
Meeting with the Hiring Manager
Live peer review of your own code
Meet the team

We promote equal opportunity to all, regardless of age, color, gender identity, medical condition, physical or mental disability, race, religion, sexual orientation, or any other characteristic. We have an inclusive environment, and respect is above all.

Do you want to be part of the change? Join us!

Solicitud rápida

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