499 backend developer English-speaking jobs in Barcelona
Include languages [+] sorted by: relevance · newest
Backend Developer
- team.blue
- Diputació de Barcelona Recinte Escola Industrial
- September 27
Are you our next Backend Developer? ... Role: Backend Developer (Mid / Senior)Location: Hybrid (Remote / Turin, Italy)The Mission: A Digital ... As our Backend Developer, you won't just write code, your work won't end up in a virtual drawer. ... Node.js services and understanding what reliable, maintainable backend systems require. ... will power the core engines of digital accessibility, designing robust, scalable, and high-performing backend
Backend Developer
- Accessiway
- Barcelona
- September 29
- remote work
Are you our next Backend Developer? ... Role: Backend Developer (Mid / Senior) Location: Hybrid (Remote / Turin, Italy) The Mission: A Digital ... As our Backend Developer, you won't just write code, your work won't end up in a virtual drawer. ... Node.js services and understanding what reliable, maintainable backend systems require. ... will power the core engines of digital accessibility, designing robust, scalable, and high-performing backend
Full Stack Developer
- Darwin Recruitment
- Barcelona
- September 21
Job title – Full Stack Developer Client Location – Barcelona, Spain Remote work offering – Hybrid Client ... front end, building and maintaining REST APIs and backend services that support the product. ... Key skills and Experience required Minimum 5 years' experience as a Full Stack Developer Strong .NET ... / C# development experience, including REST APIs and backend services Strong Angular experience with ... to join a hybrid team in Barcelona, working across the full stack on a .NET / C# backend with an Angular
Senior Backend Developer
- Festo
- Barcelona
- October 18
We are looking for a Senior Backend Developer to join our IT Digital Marketing team within the Digital ... In this role, you will design, build, and continuously improve backend services, APIs, databases, and ... Key responsibilities: Design, build, and maintain backend services, REST APIs, message-driven services ... As a senior member of an international Agile team, you will take technical ownership of selected backend ... Requirements Must-have: Professional experience in backend or software engineering with exposure to frontend
Backend Developer (LangChain / LangGraph)
- SCI Serviclients
- Barcelona
- July 26
- remote work
Overview We are currently looking for an experienced Backend Developer with strong expertise in LangChain ... If you're passionate about AI agents and enjoy working on innovative backend architectures, this role ... with LangChain and/or LangGraph Experience working with Agentic AI frameworks Strong background in backend ... Design and build AI Agents using LangChain / LangGraph Further development and optimization of existing backend
Python Backend Engineer for AI-Driven APIs
- YO IT Consulting
- Barcelona
- September 28
- remote work
Required Skills And Qualifications 3+ years of professional experience as a backend developer, with strong ... Advanced understanding of backend data validation, error handling, and API security. ... Drive data validation, error handling, and security best practices within backend services. ... Experience designing or evaluating experimental tooling and developer workflows. ... Job Description Job Title: Python Developer Job Type: Contract Location: Remote Job Summary: In this
Senior Backend Engineer (Golang)
- Kake
- Barcelona
- July 26
- remote work
Backend Developer ( Java + Python) 100% remoto Santa Cruz de Tenerife, Canary Islands, Spain 3 weeks ... Python Developer (Build & Release Engineer) Full Stack Django Developer (Fully Remote) Madrid, Community ... Referrals increase your chances of interviewing at Kake by 2x Sign in to set job alerts for "Back End Developer ... Hiring Globally About The Role We're looking for experienced Senior Golang Engineers to join our growing backend ... What You'll Do Build and maintain robust backend services in Golang Design scalable solutions with MongoDB
Backend Developer
- Allianz Commercial
- Barcelona
- October 20
Proven experience integrating frontend and backend systems using RESTful APIs and SOAP APIs. ... Skills 3+ years of experience with Java 17+, Spring Boot (including Spring MVC), and building scalable backend
Senior Software Developer - Scala
- Sage
- Barcelona
- July 26
We are looking for a Senior Backend Developer to join our HCM Localisation engineering team and help ... This role is focused on building and maintaining scalable backend services supporting complex product ... days per week in our Barcelona office *** In this role you'll: Design, develop, and maintain robust backend ... Collaborate with frontend engineers, QA, product owners, solution designers, and other backend developers ... Commercial experience with Play Framework or comparable JVM backend frameworks; Pekko or Akka experience
Backend Developer
- Allianz
- Barcelona
- September 21
Proven experience integrating frontend and backend systems using RESTful APIs and SOAP APIs . ... Skills 3+ years of experience with Java 17+ , Spring Boot (including Spring MVC), and building scalable backend
Backend Developer
- Linde Material Handling
- Barcelona
- August 31
Design, build, and deploy innovative solutions using data analytics, machine learning, and generative AI. Build MLOps on Azure and GCP, focusing on end-to-end AI solution development. Requires 3+ years of experience and strong Python skills.
Backend Developer (m/f/d)
- Allianz Technology
- Barcelona
- July 26
About The Job Are you a passionate Java Developer looking for an exciting opportunity to work with cutting‐edge
Backend Developer
- 970 KING SHARED SERVICES S.L.
- Barcelona
- September 8
Craft: Technology & Development Job Description We're looking for a Java backend developer to join our ... We're looking for a mid-level developer who enjoys solving challenging technical problems and is comfortable ... You'll contribute throughout the lifecycle of our backend systems, from design and implementation to ... Experience with databases, web development, UNIX environments, and production backend systems.
Javascript and Python Developer (AI)
- gamme solutions
- Barcelona
- September 14
We are looking for a Senior Full Stack Developer with strong AI expertise to build and deploy AI solutions ... Monitor, troubleshoot and resolve issues on backend services and AI model deployments. ... Backend and AI integration end to end, in an Agile Scrum team alongside data scientists, AI engineers ... Main Responsibilities & Key Activities: Develop scalable backend systems and APIs on Azure to support
Backend Python Developer
- Delfos Energy
- Barcelona
- July 26
Your Mission Interested in working with an AI Data Platform supporting sustainability, with backend Python ... Your Profile We are looking for a Mid-Level Python Developer to strengthen our team and further boost
Senior Backend/Devops Engineer
- Startup Talents
- Barcelona
- September 8
A passion for building tools to improve developer experience. ... As the Senior Backend/Devops Engineer, you'll be working with Infrastructure/Cloud Engineering and Backend ... They are opening an Senior Backend/Devops Engineer role in Barcelona (Spain) on a permanent basis. ... Requirements +4 years of Backend/Devops engineering experience (Engineer profile not a manager profile ... roadmap, transitioning from early-stage prototypes to scalable and resilient full-scale production backend
Python Developer
- Babel Profiles
- Barcelona
- July 26
backend systems. ... We are looking for a Python Developer with strong experience in Python and Flask to help build scalable ... Responsibilities Design, build, and maintain scalable backend services using Python and Flask . ... Hands‐on experience building backend applications with Flask (or similar Python frameworks).
Software Engineer - Game Services
- xboxgaming
- Barcelona
- September 26
Shared platforms or developer tooling. AI-enabled products or workflows. ... developer tooling, integrating AI capabilities, or helping shape the architecture of a shared platform ... Designing and building scalable backend services and APIs. ... Work across a diverse technology landscape, from backend systems to AI-enabled experiences. ... Develop scalable backend services, APIs, event-driven systems, and reusable platform components.
Senior Java Backend Developer
- Quintall
- Barcelona
- September 14
Senior Backend Java Developer for Digital Innovation Hub Festo is a Global leader Engineering firm with ... Write, test, and maintain backend code, predominantly in Java, ensuring robust and scalable software ... What we are looking for: The incoming Java Developer will have the opportunity to work with a cutting-edge
Senior Backend Engineer (Foundation)
- Proton
- Barcelona
- August 22
The Foundation Team
The Foundation team builds what the product teams build on: the shared backend framework ... of shipping
Improve the day-to-day: build times, local dev setup, test ergonomics, debuggability, developer ... Design, or similar experience modelling complex domains where the boundaries matter
Background in developer ... integrate libraries seamlessly into applications
Job requirements:
5+ years building and operating backend






































