10 publicaciones de empleo destacadas de react developer en barcelona, ct (¡Están contratando!)

Senior Ruby on Rails Developer (LLM)
OnTheGoSystems —Barcelona, Barcelona provincia
- Jornada completa
- Teletrabajo
- Máster
- AWS
- APIs
- Teletrabajo opcional
Solicitud rápida
2d
Senior Site Reliability Engineer
bsport —Barcelona, Barcelona provincia
- Trabajo híbrido
- Inglés
- Oficina
- SQL
- Teletrabajo opcional
Senior Software Engineer
Tempus —Barcelona, Barcelona provincia
- Jornada completa
- AWS
- Desarrollo de software
- Inteligencia artificial
Software Engineer Golang (m/f/d)
Schwarz Corporate Solutions —Barcelona, Barcelona provincia
- Jornada completa
- Azure
- Informática
- DevOps
9d
Software Engineer - AI driven product
Business Insights —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Azure
- Inglés
- AWS
Solicitud rápida
SW engineer for PSP solutions
HP —Sant Cugat del Vallès, Barcelona provincia
- Jornada completa
- Azure
- Informática
- DevOps
9d
Senior Product Engineer
Rover —Barcelona, Barcelona provincia
- Jornada completa
- Inglés
- Oficina
- Java
- Abono gimnasio
- Plan de pensiones
AEM Solutions Architect
Cognizant Netcentric —Barcelona, Barcelona provincia
- Jornada completa
- Español
- DevOps
- Inglés
- Abono gimnasio
Solicitud rápida
Senior Software Engineer (Ruby/RoR, Chatbots & AI)
Workato —Barcelona, Barcelona provincia
- Teletrabajo
- Informática
- Inglés
- Máster
Solicitud rápida
14d
Senior Product Engineer
Rover.com —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- Oficina
- Java
- Abono gimnasio
- Plan de pensiones
Solicitud rápida

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Senior Site Reliability Engineer
Factorial —Barcelona, Barcelona provincia
Our mission is to keep the Factorial application running 24/7, ensure its performance, scalability and security, as well as research improvements to enable…
De 77.000 € a 94.300 € al año
Solicitud rápida
Senior Site Reliability Engineer
bsport —Barcelona, Barcelona provincia
At bsport, the Senior Site Reliability Engineer is a role for someone who doesn’t just want to keep systems running, but wants to shape how engineering scales,…

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Senior Ruby on Rails Developer (LLM)

OnTheGoSystems -
Barcelona, Barcelona provincia

Solicitud rápida

Detalles del empleo

Jornada completa
Hace 2 días

Beneficios

Teletrabajo opcional

Cualificaciones

CI/CD
Derecho
React
WordPress
Máster
AWS
Ruby on Rails
APIs
Inteligencia artificial
Debugging

Descripción completa del empleo

Senior Ruby on Rails Developer

We are looking for a senior Ruby on Rails developer to help us build reliable, scalable products and apply AI/LLM technologies where they create real value.

This is a hands-on engineering role for someone who can own complex features end to end, make strong technical decisions, and work across backend architecture, production systems, testing, and AI-assisted product development.

You should be excited about AI, but pragmatic enough to know when a simple, deterministic solution is better than an LLM call.

What you’ll be working on:

Owning features from technical design to production
Building and maintaining Ruby on Rails systems used at scale
Designing AI/LLM-assisted features and workflows where they improve product quality or user experience
Working with LLM APIs, prompts, retrieval/context strategies, and AI-assisted development tools
Making trade-offs around performance, reliability, cost, latency, security, and maintainability
Writing and maintaining automated tests, including unit, integration, and E2E tests
Debugging production issues and improving system reliability

Requirements

What we’re looking for:

To succeed in this role, you’ll have:

Strong professional experience with Ruby on Rails, ideally at senior level
Experience building and running production systems used by real customers
Strong backend skills, including databases, API design, performance, background jobs, and security;
Ability to break down ambiguous problems and propose practical technical solutions
Hands-on interest or experience with AI/LLM technologies,
Good judgment about when to use AI and when simpler engineering approaches are better
Strong testing habits and care for long-term code quality
A responsible, curious, flexible mindset: willing to debug, deploy, investigate, learn, and own outcomes

Nice to have:

Experience with React
CI/CD, background jobs, or AWS experience
Experience building AI-powered product features in production
Familiarity with embeddings, vector search, RAG, evals, or LLM observability
Experience with text-processing, localization, translation, or multilingual products

Benefits

Why Join OTGS?

Stable & self-funded: Founded in 2007, profitable, and independent.
Industry leaders: Creators of WPML, the #1 multilingual plugin for WordPress, used on 1.5M+ sites
Fully remote, async-friendly: Work from anywhere within EMEA hours
Engineering-driven culture: Ownership, autonomy, testing, and thoughtful problem-solving
Fair compensation and great benefits: Designed to support your well-being both inside and outside of work.

Solicitud rápida

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react developer empleos en barcelona, ct

Senior Ruby on Rails Developer (LLM)

Senior Site Reliability Engineer

Senior Software Engineer

Software Engineer Golang (m/f/d)

Software Engineer - AI driven product

SW engineer for PSP solutions

Senior Product Engineer

AEM Solutions Architect

Senior Software Engineer (Ruby/RoR, Chatbots & AI)

Senior Product Engineer

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