106 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
Full Stack Developer
- Amaris Consulting
- Barcelona
- March 17
As a Backend Developer (Node.js), you will play a key role in designing and developing robust, scalable ... backend systems that drive global digital solutions. ... Technical Skills Proficiency in backend development with Node.js + Fastify. ... development: Design, build, and maintain scalable backend systems using Node.js with Fastify. ... Collaboration: Participate in Agile projects, collaborating across backend and frontend initiatives.
Senior Backend Developer
- The Knot Worldwide
- Barcelona
- April 1
Experience with Symfony, Backend-for-frontent (BFF) patterns, GraphQL Federation is a plus.
Business Development Associate - Partnerships
- Supabase
- Amer
- April 6
We provide a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and ... with a fully managed, scalable Postgres database and a suite of tools that eliminate the complexity of backend ... Exposure to AI/LLM-powered developer tools and workflows. ... Internship or early experience at a startup, VC firm, or developer tooling company. ... Familiarity with open-source communities or developer GTM (Go-To-Market) strategies.
Fullstack Software Developer (m/f/d)
- Würth Elektronik Group
- Barcelona
- April 1
Greater Barcelona Metropolitan Area 22 hours ago Full Stack Django Developer (Fully Remote) Backend Developer ... On the backend, things run on .NET, so if you've been around the block and feel comfortable working ... Elektronik eiSos we are looking for you to join our team in full-time (40 hours) as a Fullstack Software Developer
Backend .NET Developer Tecnología · Barcelona · Híbrido
- Novicell Spain
- , Cataluña, Spain
- April 1
We're looking for a backend developer with a strong .NET background to join our international eCommerce ... Your day-to-day at Novicell Develop backend solutions on .NET and Azure (Functions, Service Bus, API ... About the role You will be part of our e-commerce solutions department, a team of 40+ backend and frontend
Fullstack Developer (React/Next.js & PHP/Laravel)
- TieTalent
- Barcelona
- April 3
Join to apply for the Fullstack Developer (React/Next.js & PHP/Laravel) role at TieTalent
About TieTalent ... Architect, build, and maintain high-quality, scalable features across frontend (React/Next.js) and backend ... Optimize: Improve system performance, SEO, and scalability, enhancing both backend architecture and frontend
Senior Python Developer - Barcelona (ES)
- innoit
- Barcelona
- April 1
re looking for experienced Senior Python developers to lead the design, development, and delivery of backend ... higher in Computer Science, Engineering, or related fiel
5+ years of proven experience as a Python Developer
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
- NeuralTrust
- Barcelona
- April 4
We use Go and Python in our backend. ... Polyglot developer: comfortable to constantly get your hands on new libraries, frameworks and technologies
Senior Frontend Engineer (React)
- Exoticca
- Barcelona
- April 3
Backend experience on PHP be taken into account (Big plus). ... Comfort using modern developer tools, including AI-assisted workflows, to work more efficiently. ... Collaborate closely with Backend, Product, and Design, ensuring clean interfaces, good UX, and shared
(fluent Ukrainian) Middle Full-Stack Web Engineer (Node.js/Vue)
- SupportYourApp
- Barcelona
- April 1
Technical Stack
Frontend — SvelteKit, Vue.js, TailwindCSS;
Backend — Node.js, Go, PHP;
Infrastructure ... Are you a detail‑oriented full stack developer who enjoys building polished, high‑performance web applications ... stability of the platform
What you need to succeed in this role
2+ years of experience in a Full‑Stack Developer
Tech Lead - Golang (100% Remote)
- Pragmatike
- Barcelona
- April 3
Optimize backend systems for performance, reliability, security, and fault tolerance. ... Required Qualifications
5–6+ years of experience as a Senior or Lead Backend Engineer. ... Conduct thorough code reviews, mentor other engineers, and raise overall backend engineering quality. ... You will play a key role in designing and evolving the backend foundations of a decentralized cloud platform ... Build and optimize mission-critical backend software, with a strong focus on system programming, concurrency
Software Engineer, AI
- flyboard
- Barcelona
- April 3
Developer Tooling: Develop and implement internal tooling and automation to streamline the work of our ... Are proficient in Python (backend) and have working knowledge of any of the main Frontend frameworks.
Senior Devops Engineer
- Merlin Digital Partner
- Barcelona
- April 3
Collaborate closely with engineers to enhance the developer experience and internal tooling. ... Containers: Docker, Kubernetes CI/CD: GitHub Actions, Monorepo (Turborepo) Backend: Node.js, TypeScript
Cloud & Information Technology Manager
- Flomics
- Barcelona
- April 1
Development background in modern frontend and backend frameworks. ... Developer enablement: Guide the development team with tools, automation, and best practices for CI/CD
Full Stack Engineer
- nowon AG
- Barcelona
- April 1
You enjoy working across the stack, from backend services to frontend components. ... Tasks Your responsibilities Build and scale backend services with Python (FastAPI). ... You have hands‑on experience building and deploying backend and/or frontend systems for products. ... Requirements You’ll be great at this if you Have real‑world experience shipping scalable backend and ... Are comfortable across the Python backend stack: REST/WebSockets, DB design, management, migrations (
Backend Engineer (Payments)
- Proton
- Barcelona
- April 3
Internally our backend code is in general based on PHP / Symfony our frontend is based on React our mobile
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
DevOps & Tools Engineer
- Ascendion
- Barcelona
- April 1
The DevOps & Tools team delivers the CI/DE platforms, developer tools, and internal infrastructure that ... Hands‑on experience maintaining pipelines, developer tools, or Linux-based systems. ... build environments, we require engineers who can contribute to system reliability, automation, and developer ... & Tools Engineer plays a central role in implementing improvements to CI/CD pipelines, maintaining developer










