79 backend developer English-speaking jobs in Catalonia
Webentwickler / Backend Developer
- N26 GmbH
- Barcelona
- April 2
We are seeking a talented Backend Engineer to join our expanding teams in Barcelona and evolve our product ... Europe, including Vienna and Barcelona, and a 1,500-strong team of more than 80 nationalities.As a Backend
Fullstack Developer
- B. Braun Melsungen AG
- Barcelona
- April 24
Fullstack Developer
Functional Area: Information Technology
Working Model: Hybrid
Requisition ID: ... Versatility: Ability to switch context between frontend and backend tasks effectively. ... Testing: Ability to write Unit and Integration tests for both frontend and backend layers. ... Technical Requirements (Mandatory)
Backend: Solid proficiency in C# and .NET Core (.NET 6/8+). ... and consume RESTful APIs using C# and .NET Core, ensuring seamless communication between the UI and backend
Senior Python Engineer (FastAPI / Python)
- Photoroom
- Barcelona
- April 4
elegant developer‑facing interfaces. ... You care deeply about reliability, performance, and developer experience. ... Work at the intersection of backend engineering and AI, abstracting complex image models into simple, ... About You
You have strong experience building backend systems in Python, with a focus on APIs used ... Collaborate closely with product, machine learning, backend, and sales teams to ensure the API delivers
Backend Engineer
- Steneg
- Barcelona
- April 3
Experience contributing to platform engineering initiatives or internal developer platforms. ... scalable backend services within a modern microservices architecture. ... Familiarity with Python for backend services or data‑oriented workloads. ... Identify and address performance, reliability, and stability issues in backend services. ... Mission
The Backend Software Engineer will be responsible for designing, implementing, and maintaining
Fullstack Engineer - Ad Serving AdExchange
- Seedtag
- Barcelona
- April 12
Leverage your frontend expertise to make APIs developer‑friendly and fast. ... Backend (Where you’ll grow): Node.js, Go, Microservices. ... The Fullstack Predisposition – Strong interest in the backend (Node.js). ... Fullstack Ownership: Work closely with backend engineers to contribute to the Node.js services. ... Adaptability – Excited by moving across the stack, seeing backend as an opportunity to broaden impact
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
Senior React Native Developer (Mobile)
- P2P.org
- Barcelona
- April 19
Who We’re Looking For
We are hiring a Senior React Native Developer to join a team building a new mobile ... on wallet integrations (connect, sign transactions, manage assets)
Ensure smooth interaction with backend ... app performance, reliability, and user experience across iOS and Android
Collaborate closely with backend
Senior Backend & Data Engineer
- UNOPS
- Barcelona
- April 23
The Senior Backend & Data Engineer will architect and develop the backend systems for several of Giga's ... Job Highlight
Senior Backend & Data Engineer will be based in Barcelona, Spain, as part of the DI Barcelona ... , designers, data scientists, and researchers to build scalable, secure, and high-performance backend ... Role Purpose
Under the supervision of the Mapping/Data Product Lead, the Senior Backend & Data Engineer ... The Senior Backend & Data Engineer will collaborate with multidisciplinary teams of front‑end developers
Head of Development
- PowerUp Talent
- Barcelona
- April 2
of the technical direction across a growing portfolio of mobile games, spanning client architecture, backend ... gaming or mobile products Strong expertise in scalable architecture, performance optimisation, and backend
Senior Software Engineer (Golang)
- Fast Track
- Barcelona
- March 31
As a Senior Software Engineer, you will design, build, and operate the backend systems that power Fast ... Systems Design and develop backend services and APIs that power the Fast Track platform Build scalable ... Your responsibilities as a Senior Software Engineerat Fast Track would include: Build and Improve Backend ... technologies help and where engineering judgment still matters most Qualifications Extensive experience in backend
Lead Software Engineer
- Clarivate
- Barcelona
- April 3
You’ll focus on building scalable backend services. ... Work as a backend software engineer in a cross-functional team. ... What you will be doing
Take a role implementing our backend services. ... You will contribute to its backend development, designing and maintaining RESTful services with Java
Technical Product Owner
- Giesecke & Devrient GB Ltd.
- Sant Joan Despí
- April 1
Proven track record in building and launching integration‑focused features and products (back‑end or developer‑facing ... Product Manager role should bridge the product vision and technical execution by owning the backlog for backend ... developers and quality assurance engineers while actively contributing to the launch of robust, scalable backend
Javascript Developer
- Wizeline
- Barcelona
- April 3
Javascript Developer will analyze, develop, and track requirements for A/B tests on web platforms. Responsibilities include unit and manual testing, cross-functional collaboration, and code reviews. Requires 5+ years of experience as a Frontend Engineer with in-depth knowledge of JavaScript, TypeScript, HTML, and CSS.
R Shiny App Developer (m/f/d)
- Linde Europe
- Barcelona
- March 31
Join to apply for the R Shiny App Developer (m/f/d) role at Linde Europe Continue with Google Continue ... with Google Join to apply for the R Shiny App Developer (m/f/d) role at Linde Europe Get AI-powered ... (m/f/d) Porto or Lisboa, Portugal, Barcelona, Spain | req22904 Linde Portugal, LDA R Shiny App Developer ... Google Continue with Google Continue with Google Continue with Google Continue with Google R Shiny App Developer ... increase your chances of interviewing at Linde Europe by 2x Sign in to set job alerts for “Application Developer
Software Solution Architect
- Linde Material Handling
- Barcelona
- April 19
Good Experience/knowledge
In collaboration with developer / development structures. ... In software architecture (different frameworks, frontend, backend, cloud computing structures).
.NET Software Engineer
- Capitole
- Barcelona
- March 31
cloud-native architecture 🚀 You’ll play a key role in the design, architecture and development of robust backend
Adobe Developer
- VML MAP
- Barcelona
- April 26
Developer Expert, Adobe Campaign Standard Developer Expert. ... Active Adobe certifications such as AJO Developer Expert, RTCDP Developer Expert, Adobe Campaign Classic ... In the role as an Adobe Developer, you are responsible for understanding the technical structure of a
SDET / QA Automation Engineer
- Empresa Confidencial
- Barcelona
- April 17
Experience testing web, mobile and backend systems (APIs) in distributed architectures. ... Design, build and maintain automated test frameworks across web, mobile (Flutter/React Native) and backend
Senior Frontend Engineer
- Quadrivia AI
- Barcelona
- April 3
Backend engineering experience. ... Collaborate closely with design, clinical teams, Q.A engineers, and backend engineers.
Quality Automation Engineer
- TheFork
- Barcelona
- March 30
data generation, seeding, environment control)
Exposure to AI-assisted testing / LLM-based tooling
Backend ... English (written and spoken)
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Experience building internal developer











