1112 backend developer English-speaking jobs in Catalonia
Advanced / Senior Frontend Web Developer (all genders)
- United Digital Group
- Barcelona
- March 30
headless CMS solutions such as Sitecore, Storyblok or Contentful Close collaboration with UX/UI design, backend ... Advanced / Senior Frontend Web Developer (all genders) Do you want to build modern web applications and ... Git, Vercel, Netlify) What You Bring Along. 4+ years of experience as a frontend developer with JavaScript
Full-Stack Developer (Marketing Org)
- ManyChat, Inc.
- Barcelona
- April 3
We’re looking for a NodeJS / TypeScript developer with strong backend expertise, experience working with ... Design, develop, and maintain backend services and APIs using Node.js and TypeScript. ... Contribute to marketing and event-driven projects with backend logic, integrations, and interactive elements
Senior Frontend Engineer
- Talent-R
- Barcelona
- April 3
Referrals increase your chances of interviewing at Talent-R by 2x
Get notified about new Frontend Developer ... concepts is a plus (ability to collaborate effectively with backend engineers)
Strong foundation in ... and maintain unit, integration, and end-to-end tests to ensure product reliability
Integrate with backend ... Knowledge of build tools (Webpack, Nx, or similar) and version control (Git)
Familiarity with Python or backend
Senior Backend / TypeScript Developer (Insights & BI)
- Flexidao
- Barcelona
- April 1
Role overview
As a developer on our Insights & Business Intelligence team, you will be the bridge between
Senior Backend / TypeScript Developer (Insights & BI)
- Flexidao
- Sant Quirze del Vallès
- April 1
Role overview
As a developer on our Insights & Business Intelligence team, you will be the bridge between
Senior Java Developer
- Impress
- Barcelona
- April 3
backend services that handle authentication, authorization, file storage, and integration workflows. ... developer
Strong knowledge of Spring Boot and Java 17+ (Java 21 preferred)
Comfortable designing and ... About the Role
We’re looking for a Java Developer to join our System Team, responsible for the foundational ... GitOps-based deployment
What We’re Looking For
2–5 years of professional experience as a Java backend
Senior Full Stack Developer In Azure
- Hcltech
- Tarragona
- April 1
We are looking for an expert to work a Senior Full Stack Developer in Azure! ... Relevant certifications in Microsoft Azure (e.g., Azure Developer Certification) are a plus. ... Develop and maintain backend services using Java Spring Boot, AKS, and PostgreSQL (including RBAC/ABAC ... Strong background in backend development using Java Spring Boot, Azure Kubernetes Service (AKS), and ... What You’ll Be Doing
Leading the design and development of backend services using Python
Building
Senior PHP Backend Engineer (Symfony) HighImpact Scalable
- Ilovepdf
- Barcelona
- April 1
Senior backend developer (php, symfony) • Barcelona, Catalonia, Spain
#J-18808-Ljbffr ... For this position, we are looking for a qualified and experienced PHP Engineer to join our iLovePDF backend
Junior Software Engineer
- REVER
- , Cataluña, Spain
- March 31
Responsibilities As a Software Developer You Will: Work on the most challenging problems within the eCommerce ... Right now we are 40 people in total, 10 in the product team and we are looking for Software Developers (backend ... experience because currently we have a fit for both junior and senior profiles both in Frontend and Backend
Fullstack Developer - Fully Remote
- Journi Limited
- Barcelona
- March 31
Fullstack Developer (Vue/.Net) - Fully Remote (Europe) Journi is a London-based technology consultancy ... a hands-on role in building web applications while working vertically in both the frontend and the backend
Engineering Manager
- Crystal Intelligence
- Barcelona
- April 1
Required
Experience
10+ years of experience in software engineering, with at least 5 years working as a backend ... Familiarity with developer tooling, developer experience optimisation, or DevOps practices. ... Work closely with DevOps and Developer Experience teams to enhance developer productivity and streamline ... These squads oversee the Core Platform, Core Data (including blockchain integrations), Developer Experience ... Advocate for best practices in software development, DevOps, and developer productivity across all squads
Backend Engineer (AdTech) ID52365
- AgileEngine
- Barcelona
- March 30
improvements; Drive architectural decisions and establish patterns that support scalability, reliability, and developer ... In this role, you will design high-performance backend systems and APIs that process large volumes of ... ABOUT THE ROLE We are looking for a Middle/Senior Backend Engineer to help architect and scale a modern ... MUST HAVES 3-4 years of software development experience building scalable systems (using any backend
Senior FullStack (React/Golang) Engineer
- KITRUM
- Barcelona
- April 6
supports career growth in modern software development fields; plays a key role in expanding a global developer ... Contribute to backend API development in Go when needed. ... You’ll work primarily on the frontend experience using Next.js and React, while also contributing to backend ... environments using React, Next.js, including SSR and App Router.
3+ years of hands‑on experience developing backend ... architecture is frontend‑heavy, focused on delivering a fast, engaging user experience, supported by scalable backend
Senior Backend Engineer
- King
- Barcelona
- March 30
Senior Backend Engineer
Are you passionate about solving large-scale backend problems with machine learning ... Do you have deep expertise in Java backend development and want to help build a platform for decision ... We are looking for a Senior Backend Engineer to build King’s next-generation machine learning platform ... As a Senior Backend engineer at King, you will be using the latest technologies to build ML products ... products from other cloud providers
End-to-end integration of systems
Have been working with large scale backend
Full Stack Developer - AI
- Whiteshield
- Barcelona
- March 30
As a Full-Stack Developer in Whiteshield's AI Economics Unit, you will build and scale modern, data-intensive ... React and Next.js, including modern routing patterns, component design, and state management Strong backend ... Next.js and React, delivering responsive, accessible, and maintainable UI components Design and implement backend
Back End Developer
- Xcede
- Barcelona
- March 27
Senior Backend Engineer – Go / Golang 6 month contract – hybrid (Dublin, London, Barcelona, Warsaw or ... Berlin) I'm working with a product-led SaaS company looking for multiple senior backend engineers ... These roles sit across core backend services and a newer AI-focused area building agentic capabilities
Senior Full-Stack Engineer
- Siemens Energy
- Barcelona
- April 3
role in strengthening Siemens Energy’s Software Factory initiative, driving innovation, security, and developer ... Each day, you’ll engage with the full technology stack—crafting robust backend microservices, building ... Build and integrate backend microservices using C#, .NET, Python/FastAPI, or , while developing intuitive
Agile Product Delivery Lead
- Siemens Energy
- Barcelona
- March 30
We build reusable backend services, AI/ML platforms, and lifecycle tools to support cloud, on‑prem, and ... Agile Product Delivery Lead within the Scalable Core team, you act as the technical leader for the Developer ... Your work ensures that the Developer Portal evolves as a scalable, reliable, and strategically aligned ... About The Team
The Scalable Core team drives the foundational technologies and developer platforms that ... How You’ll Make An Impact
Own and drive the technical direction and architectural evolution of the Developer
Senior Frontend Software Engineer
- Giesecke+Devrient
- Sant Joan Despí
- April 4
Troubleshoot and improve CI/CD workflows and developer experience. ... Interest in learning Go to contribute to backend services. ... Integrate with REST APIs and collaborate closely with backend teams. ... will own features end-to-end - from APIs and SDK design to polished UIs - while working closely with backend
Senior Frontend Engineer: Secure Web Apps & SDKs
- Giesecke+Devrient
- Sant Joan Despí
- April 4
Troubleshoot and improve CI/CD workflows and developer experience. ... Interest in learning Go to contribute to backend services. ... Integrate with REST APIs and collaborate closely with backend teams. ... will own features end-to-end - from APIs and SDK design to polished UIs - while working closely with backend





















