20 publicaciones de empleo destacadas de back end developer en 08040 barcelona barcelona provincia (¡Están contratando!)

AI Engineer
Ohpen —Barcelona, Barcelona provincia
- De 40.000 € a 70.000 € al año
- Jornada completa
- Java
- AWS
- Inteligencia artificial
- Teletrabajo opcional
Staff Back-end Engineer
Preply —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- APIs
Solicitud rápida
Senior Developer
atwork corporate AG —Barcelona, Barcelona provincia
- Jornada completa
- Teletrabajo
- Español
- Azure
- Informática
Solicitud rápida
Product Designer
VML —Barcelona, Barcelona provincia
- De 35.000 € a 45.000 € al año
- Inglés
- Oficina
Solicitud rápida
Embedded / IoT Python Developer – Barcelona
Oxigent —Barcelona, Barcelona provincia
- De 36.000 € a 42.000 € al año
- Informática
- Desarrollo de software
- APIs
- Seguro médico privado
Senior II Full-Stack Engineer (back-end heavy)
Preply —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- Java
- APIs
Solicitud rápida
Typescript Engineer (OOP/React/Three.js)
Materialise —Barcelona, Barcelona provincia
- Jornada completa
- Java
- JavaScript
- Inteligencia artificial
Senior Angular Engineer
ANYbotics —Barcelona, Barcelona provincia
- Media jornada
- Informática
- Inglés
- JavaScript
Sr. Associate - Application Developer (Python Developer)
Shipco IT —Barcelona, Barcelona provincia
- Jornada completa
- Informática
- Inglés
- Oficina
Solicitud rápida
Principal Engineer
Viaplay Group —Barcelona, Barcelona provincia
- Trabajo híbrido
- AWS
- JavaScript
- Agile
Digital Technology PM - JPG & Rabanne (Temporary)
PUIG —Barcelona, Barcelona provincia
- Español
- Inglés
- Project management
Backend Engineer
WhereTo —Barcelona, Barcelona provincia
- Jornada completa
- Java
- AWS
- C++
Senior Full Stack Product Engineer
Leadtech —Barcelona, Barcelona provincia
- Teletrabajo
- Informática
- Oficina
- Máster
- Flexibilidad horaria
Solicitud rápida
Staff Design Engineer - EU
Ashby —Barcelona, Barcelona provincia
- De 154.000 € a 250.000 € al año
- Jornada completa
- Teletrabajo
- Días de asuntos propios
Senior Full Stack Engineer
Restb.ai —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- APIs
- Python
Software Engineer in Test III
Emburse —Barcelona, Barcelona provincia
- Jornada completa
- Informática
- DevOps
- Sistemas ERP
Research Engineer - Tools developer for LSQUANT platform (Theoretical and Computational Nanoscience)
ICN2 —Barcelona, Barcelona provincia
- Jornada completa
- Azure
- AWS
- Grado
- Seguro de vida
Fullstack Java Developer - certificat de discapacitat del 33%
IThinkUPC —Barcelona, Barcelona provincia
- Incorporación inmediata
- Trabajo híbrido
- Inglés
- Java
- Máster
Senior Full-stack Engineer (backend-heavy)
Preply —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- Java
- APIs
Solicitud rápida
Staff/Lead Python Engineer (FastAPI, Orchestration)
Mimica —Barcelona, Barcelona provincia
- Jornada completa
- Teletrabajo
- Inglés
- Máster
- Desarrollo de software
- Vacaciones pagadas
- Teletrabajo opcional

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AI Engineer

Ohpen -
Barcelona, Barcelona provincia

Solicitar ahora

Detalles del empleo

Jornada completa
De 40.000 € a 70.000 € al año

Beneficios

Teletrabajo opcional

Cualificaciones

CI/CD
C#
.NET
Java
AWS
Terraform
GitHub
Escalabilidad
Cloud
Relaciones Laborales
Inteligencia artificial
Python

Descripción completa del empleo

Barcelona - Passeig de Gràcia 110, 3-2, 08008 Barcelona

Full-time

Permanent employee

40,000 - 70,000 € per year

Description

Do you think like an engineer first, and a language specialist second?

We are looking for engineers who want to build the next generation of cloud-native financial technology.

Our platforms run on .NET and Java, but we are not looking for C# or Java developers (or Python developers, or developers of any other language). We are looking for software engineers, because what matters is that you can reason about distributed systems, become productive quickly in an unfamiliar codebase — including one written in a language you have not used before — and use AI as a real engineering partner rather than an autocomplete tool.

We build a cloud-native core banking platform that safeguards billions of euros of real customers' money. The bar for reliability, scalability, and security is exceptionally high, and we are continuously reinventing how we build software. If you want to help shape the future of engineering rather than watch it happen, we'd love to talk to you.

Briefing

Ohpen launched the world's first cloud-native core banking platform. We don't just use technology — we build it, and we operate it in production for regulated financial institutions.

You'll join a cross-functional team with end-to-end ownership of a domain: design, build, deploy, operate, support. Not a ticket queue. Deployment is where the value gets delivered, so it isn't a step you hand to another team once the code is written. You'll be accountable for how your services behave in production, not only for how they look at code review.

You'd be working on a platform that has been live and evolving for more than a decade. A lot of the work is understanding, extending, and safely replacing systems that carry real business logic for real clients. The interesting problem here is not writing code quickly — that is now cheap. It is knowing what to change, what it will break, and how to prove it worked.

AI is a first-class tool in that work (expected, not just tolerated). You'll use it to build context on unfamiliar code, explore designs, generate and review implementations, and remove routine work. You stay in the driver's seat: you decide what to accept, what to challenge, and when the model is confidently wrong.

About You

You're a generalist by instinct. You've worked in more than one language or platform, and you'd learn another if the job needed it. You don't introduce yourself as a C# or a Java developer.
You've run what you built. Distributed, event-driven backend systems in production — headless, API-first, where the numbers had to be right and downtime had real consequences.
You think in systems. Where the coupling sits, what a change is likely to break, how the pieces talk to each other. You will design clear boundaries around complex banking domains, keep API changes backward compatible, and choose simple designs by default. For workflows where reads, writes, and audit requirements differ, you’ll use separate models when the trade-off earns its cost.
You're comfortable in code you didn't write. Working out how an existing system actually does, rather than what its documentation claims, is a skill you enjoy using.
You use AI deliberately. You know how to give a model the context it needs, how to direct it on a large unfamiliar codebase, and judge whether what comes back is any good. You have opinions about where it helps and where it doesn't.
You own things in production. Cloud, infrastructure as code, CI/CD, and observability are part of your job, not another team's. We run on AWS with Terraform, GitHub Actions, OpenTelemetry, EventBridge, SNS and SQS, but equivalent experience on any major cloud is just as welcome.
You make your reasoning clear. You can challenge a colleague or client directly and respectfully, explaining the trade-off and proposing a better path.

Why us?

Cutting-edge technology in fintech
Highly qualified colleagues to learn from
A friendly, multicultural environment where you can learn, grow, and make an impact
Hybrid working setup with flexible hours
Work from Anywhere policy
Language classes and continuous learning and development
Home office setup support
Mental health and wellbeing support
Flexible retribution options (Barcelona)
Weekly team lunches, wellbeing activities, and regular team events

About us

Join our mission

Ohpen has been active for over 15 years now, redefining banking. We are the first company to bring a bank fully to the cloud, changing the financial world forever and breaking our chains of legacy. Our company is all about talented people having the space to build next-generation Fin-Tech. Why? Because we believe Fin-Tech enables accessibility, empowerment and independence for all.

Are you ready to join our mission?

We are an equal opportunity employer and value diversity at our company. All qualified applicants will receive consideration for employment.

You haven’t updated your CV in a while? Not a problem – you can also apply with your LinkedIn profile or send a message to the Recruiter.

Everyone gets a response, latest within a week, but likely sooner.

We can’t wait to hear from you!

Solicitar ahora

Refina tu búsqueda

back end developer empleos en 08040 barcelona barcelona provincia

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Senior Developer

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Embedded / IoT Python Developer – Barcelona

Senior II Full-Stack Engineer (back-end heavy)

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Senior Angular Engineer

Sr. Associate - Application Developer (Python Developer)

Principal Engineer

Digital Technology PM - JPG & Rabanne (Temporary)

Backend Engineer

Senior Full Stack Product Engineer

Staff Design Engineer - EU

Senior Full Stack Engineer

Software Engineer in Test III

Research Engineer - Tools developer for LSQUANT platform (Theoretical and Computational Nanoscience)

Fullstack Java Developer - certificat de discapacitat del 33%

Senior Full-stack Engineer (backend-heavy)

Staff/Lead Python Engineer (FastAPI, Orchestration)

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