Empleos de ruby on rails backend developer en Madrid

GRUPO ADECCO busca un Backend Developer PHP (Laravel) para evolucionar y mantener sistemas críticos de negocio. Trabajarás en clientes, facturación, ofertas y procesos internos, diseñando APIs y servicios backend, además de corregir incidencias y escribir tests.Se valora experiencia en Pest, Docker y AWS. El puesto es 100% presencial en Málaga, con...

Workato is seeking a Staff Backend Developer (Ruby/Go) to join our Engine team, focusing on the Recipe runtime and distributed architecture. You will contribute to performance, scalability, storage, durability, and concurrency guarantees across complex services. We welcome Ruby and Go experts who can lead architecture, review code, and drive improvements...

Software Engineer – Ruby (AI Training)About The RoleWhat if your Ruby expertise could directly influence how AI understands and writes production-grade software for developers around the world? We're looking for experienced Ruby Software Engineers to help design, evaluate, and improve real-world software systems used in AI training and data-driven...

We are looking for a senior Ruby on Rails engineer to become the technical backbone of our product. You'll own the hardest PRs, raise the bar for the entire codebase, and eventually take technical load off the CEO. This is not a management role. It's a hands?on, high-trust position for someone who can ship production code across every part of the...

Innovative solutions on the pulse of time, a dynamic and progressive working environment, versatile opportunities - this is the world of SKIDATA. Become part of our strong, international team now and shape the future of modern access systems with your ideas and know-how.Worldwide careersTraining and developmentBackend Developer (C# / .NET)Backend Developer...

Backend Developer (C# / .NET & Integrations) – Global Customized SolutionsBuild the integrations that make complex access solutions work.What happens when a customer needs SKIDATA products to work with a system they already rely on? That’s where you come in.As a Backend Developer, you'll primarily work with C# / .NET, designing and building software...

Alignerr is seeking a skilled Ruby Software Engineer to design, implement, and optimize backend services and APIs in a fully remote, hourly contract role. You will work on AI training data pipelines and production-grade code, collaborating asynchronously with researchers and engineers across time zones.The position emphasizes strong Ruby expertise,...

AssociateIT, Telecom & InternetTravel Required: 0%-10%30-Nov-2026Backend Developer – Global Customized SolutionsBuild the integrations that make complex access solutions work.What happens when a customer needs SKIDATA products to work with a system they already rely on? That’s where you come in.As aBackend Developer, you’ll design and build tailored...

Backend Developer (Java / Spring Boot / AWS) - Assisted ChannelsSpain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the countryFull-timeAbout The RoleWe are looking for experienced Backend Developers specialized in Java and Spring Boot, with strong expertise in microservices architectures and cloud-native development in AWS...

Ubimia es una compañía multinacional que ofrece soluciones tecnológicas para el ciclo de vida integral del crédito y para diversas necesidades corporativas, impulsando la eficiencia en los procesos de negocio.Con más de 600 colaboradores/as, trabajamos en un entorno flexible, dinámico y en crecimiento constante.Estamos buscando: Desarrollador/a Backend...

Are you our next Backend Developer?Role:Backend Developer (Mid / Senior)Location:Hybrid (Remote / Turin, Italy)The Mission:A Digital World Without BarriersAt Accessiway, we aren't just a SaaS company; we are a scale-up growing at supersonic speed with one ambitious goal: to make technology accessible to everyone, no ifs or buts. We believe that accessibility...

Backend Developer Work Modality:Barcelona - Hybrid (3 days per week on-site)Schedule:Full-timeContract type:IndefiniteBrief Description We are looking for aBackend Developerto join our team and contribute to the development of our next-generation project repository. If you are passionate about scalable architectures, cloud services, and high-performance...

Backend Developer -- Global Customized SolutionsBuild the integrations that make complex access solutions work.What happens when a customer needs SKIDATA products to work with a system they already rely on? That's where you come in.As aBackend Developer, you'll design and build tailored software integrations that connect third-party systems with SKIDATA...

MultiSafepay is a leading payment service provider, offering omnichannel and advanced payment solutions to businesses across Europe. We are innovative and fast‑growing, building powerful solutions that transform the way our clients do business. We focus on delivering real solutions to their challenges and always stay ahead of the curve. In short, we are a...

About the roleWe are looking for a Backend Developer with experience in Python and AWS Cloud technologies to join a strategic platform team responsible for user, tenant and access management within a cloud-native ecosystem.You will contribute to the implementation of Disaster Recovery (DR) capabilities, helping to ensure platform resilience, business...

We are working with a leading French health-tech group, one of the major players in information systems for the Healthcare sector, with close to 6,000 employees across more than 10 countries.This position is part of a small, highly operational team working on a product that connects patients, insurance companies and doctors, particularly specialists.The...

A leading tech company in Comunidad de Madrid is seeking an experienced Senior Ruby on Rails Developer. Responsibilities include designing and maintaining web services and applications, collaborating with mobile and QA teams, and managing databases. The ideal candidate has over 5 years of experience with Ruby on Rails, strong skills in RESTful APIs, and...

Backend Developer (C# / .NET & Integrations) – Global Customized Solutions Build the integrations that make complex access solutions work.What happens when a customer needs SKIDATA products to work with a system they already rely on? That’s where you come in.As a Backend Developer, you'll primarily work with C# / .NET, designing and building software...

Innovative solutions on the pulse of time, a dynamic and progressive working environment, versatile opportunities - this is the world of SKIDATA. Become part of our strong, international team now and shape the future of modern access systems with your ideas and know-how.Worldwide careersTraining and developmentBackend Developer (C# / .NET) Backend Developer...

Festo inspires people and organizations around the world with innovative solutions for industrial automation. We are an independent family business and offer more than 20,000 employees the opportunity to take bold steps, realize their ideas, and take on responsibility. As a team, we grow by tackling challenges together and we welcome everyone who wants to...