65 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
Webentwickler / Backend Developer
- The BIG Jobsite
- Barcelona
- April 10
Senior Backend Developer
- Giesecke & Devrient GB Ltd.
- el Prat de Llobregat
- April 3
About You
Solid understanding and hands‑on experience with RESTful APIs.
3+ years of experience in backend ... optimize part of the CI/CD workflow, ensure secure feature delivery, refine Kanban/process metrics for backend
Web3 Full-Stack Developer
- Wagmi VS
- Barcelona
- April 6
protocols, cryptography, trust models, etc Demonstrable experience with a modern programming language for backend ... Wagmi is looking for a web3 full-stack developer. ... Are you interested in creating the future of the decentralized application (dapp) developer experience ... Join a team that’s laser-focused on making the dapp developer experience as effortless as it both can ... maintenance Technical writing including documentation, tutorials, etc Involvement with a technically-focused developer
Software Engineer – Full Stack / AI
- Talent-R
- Barcelona
- March 14
experience Frontend experience with Vue.js (or willingness to learn) Experience with AI developer tools ... Responsibilities Software Development Develop and maintain backend services primarily in PHP and Python ... systems or microservices architectures Comfortable contributing across the stack Nice to Have Python backend ... Participate actively in technical discussions and knowledge sharing Your Profile Strong experience in PHP 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
Software Engineer – Full Stack / AI
- Talent-C
- Barcelona
- April 4
Responsibilities
Software Development
Develop and maintain backend services primarily in PHP and Python ... stack
Nice to Have
Frontend experience with Vue.js (or willingness to learn)
Experience with AI developer
AI Product Engineer
- Oliver Bernard
- Barcelona
- April 1
This isn’t a traditional backend role; they’re looking for a builder mindset — someone who blends backend ... engineering
You thrive in fast‑moving, high‑ownership environments
You want a traditional 9–5 or purely backend
Backend Engineer
- Wallapop
- Barcelona
- March 31
At Wallapop, as a Backend Engineer, you'll own team microservices, fully embracing the DevOps philosophy
(Senior) Backend Engineer Remote
- Anevo AG
- Barcelona
- March 30
Have strong backend fundamentals and experience building APIs and backend services. ... scaled backend systems with complex data models and external integrations. ... Have experience in building and operating backend systems in production. ... Have designed database schemas and backend architectures for complex business workflows. ... Why this role exists:
We are looking for an experienced backend engineer who has previously built or
Ai Full Stack Developer With C# And Angular For The Health Industry
- OSINT Analytics
- Barcelona
- April 3
Experience in backend development in C# for SAAS systems.
Knowledge of PHP and Phyton is a plus. ... Position Overview
As a Full Stack Developer, you will be required to collaborate with the design, development
Mobile Engineer
- Amaris Consulting
- Barcelona
- March 27
Design, develop, and maintain backend services for Mobile DevOps platforms using Rust Contribute to backend ... Take your career to the next level with Amaris Consulting as a Mobile DevOps BackEnd Engineer. ... Strong professional experience in backend development, preferably using Rust Experience designing and ... maintaining microservices and backend APIs Solid experience with CI/CD tools (Jenkins, Bitbucket Server
Senior .Net Engineer
- CHRONA
- Barcelona
- March 30
backend architecture
In-memory processing
Modern infrastructure and cloud tooling
What we offer ... This role is focused on high-performance backend development for the exchange core and surrounding ecosystem ... core exchange infrastructure and trading systems
Designing and building high-throughput, low-latency backend ... a next-generation trading platform
What were looking for
5+ years of experience with C# / .NET backend ... Strong system design and backend architecture skills
Tech stack
C# / .NET (latest versions)
High-performance
Software Engineer (Golang)
- Fast Track
- Barcelona
- April 1
As a Software Engineer, you will design, build, and operate the backend systems that power Fast Track ... Your responsibilities as a Software Engineer at Fast Track would include:
Build and Improve Backend ... Systems
Design and develop backend services and APIs that power the Fast Track platform
Build scalable ... where engineering judgment still matters most
Qualifications
Solid professional experience in backend ... contributing to architecture discussions beyond immediate tickets
Previous exposure to Golang or similar backend
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 ServiceNow Developer
- Optimal Growth Technologies
- Barcelona
- April 3
About the job Senior ServiceNow Developer
ServiceNow Developer
Responsibilities
Develop and customize
Senior Full-Stack Engineer - Stealth Company - Founding Engineer - Vertical AI
- Antai Ventures
- Barcelona
- April 1
Manage and evolve cloud infrastructure, CI/CD pipelines, and developer tooling. ... We need someone who is genuinely full‑stack: comfortable across backend, database, frontend, mobile ( ... Contribute to the AI agent’s backend — the infrastructure that lets it resolve coverage incidents, contact ... Design and build core backend systems powering workforce scheduling, real‑time coordination, and operational
AI Engineer (LLMs & Agents)
- Tauniqo.ai
- Catalonia
- April 4
breathes the LLM ecosystem and knows how to turn state-of-the-art models into reliable, production-ready backend ... You write clean, scalable backend code.Location & Setup:Hybrid: 3 days in the office, 2 days from home.Office ... Requirements:Proven Experience: You have hands-on experience building and deploying AI agents and LLM-powered backend
Senior Developer / Solution Architect - CCH Tagetik
- SystemsAccountants
- Barcelona
- March 20
Excellence team for their CCH Tagetik application, seeking an experienced EPM application solution architect/developer
Senior QA Automation Engineer
- Shiji Group
- Barcelona
- April 3
What you’ll do
Develop test automation for Backend services and Frontend applications to ensure robust ... TosupportourReviewproteamin Barcelona,we’relooking for an experienced and dynamic QA Engineer to develop test automation for backend













