85 backend developer English-speaking jobs in Catalonia

As a Senior Backend Developer, you will play a key role in accelerating delivery and supporting the development ... of backend systems that drive critical business workflows. ... What You Will Do Develop and maintain backend applications; Build and support batch processes for ... Must Haves Strong experience with ASP.NET and SQL Server Experience with backend integrations and

About The Role As a Backend Developer, you will be a key architect of the engine that powers our global ... Our backend is powered by Node.js (Koa, NestJS) and MongoDB. ... Responsibilities: Design, build, and maintain clean, efficient, and scalable backend services in Node.js ... Own key parts of our backend architecture, making critical decisions that enhance performance, reliability ... Requirements Experience: 5+ years of backend development experience, preferably in a product-driven environment

developer with Java and Spring Boot Strong experience in designing and developing RESTful and/or GraphQL ... Do you want to design scalable backend systems and build powerful APIs that drive modern digital platforms ... company events, drinks flat rate and good coffee What you do Design and development of scalable backend ... systems, databases and third‑party services Ensuring high performance, security and reliability of backend ... architecture and development processes What you bring along 5+ years of professional experience as a backend

Senior Backend Developer (Product Teams) Barcelona, Spain We help creators get more out of every conversation ... Must haves: 5+ years experience working in a product team as a PHP developer (we use PHP 8.3). ... We are seeking a Senior PHP Developer to impact our current objectives, who’ll be responsible for a product ... Developer/Professional Tools: we are actively developing tools and resources for developers who utilize

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).

Experience building APIs or backend systems. ... Role Overview AI‑First Developer / Builder – we are hiring a developer to work on prototypes, tools, ... Prototype AI‑assisted developer workflows. ... Design small full‑stack applications (backend + simple frontend).

ABOUT THE ROLE As a Backend Developer (Go), you will play a key role in modernizing a large‑scale platform ... This role focuses on building resilient backend foundations, influencing architectural decisions, and ... MUST HAVES Bachelor’s degree in Computer Science or related field; 5+ years of backend software development

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

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

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

improvements; Drive architectural decisions and establish patterns that support scalability, reliability and developer ... ABOUT THE ROLE As a Backend Engineer, you will help design and scale high-performance systems that power ... focusing on performance, observability and fault tolerance; Experience with Python / Django or other backend

This role requires close collaboration with backend, frontend, and iOS developers and designers and active ... We are seeking an experienced Senior Android Developer to join our cross-functional product team which ... We are looking for a developer who believes that technology is a powerful tool to achieve business objectives ... blog and participating as a speaker at professional conferences. 5+ years of experience as an Android developer

About the Role As a PHP Developer, you will build and maintain scalable web applications using modern ... You’ll work across backend systems, databases, and deployment environments to support seamless functionality

Collaborating with backend, frontend, Android, and iOS developers and designers, you’ll play an active ... You’ll need: 5+ years of experience as an iOS developer (Swift). ... We are seeking an experienced Senior iOS Developer to join our cross-functional product team and help

Collaborating with backend, frontend, Android, and iOS developers and designers, you’ll play an active ... TO BE SUCCESSFUL IN THIS ROLE 💥 You’ll Need 5+ years of experience as an iOS developer (Swift). ... Who We're Looking For 🌟 We are seeking an experienced Senior iOS Developer to join our cross‑functional

Familiarity with PHP 8.* as a developer. ... What You’ll Bring 3+ years of successfully leading and scaling cross‑functional development teams with backend

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

Overview We are looking for a AI Web3 Backend Engineer with deep expertise in DeFi protocols, backend ... This role requires someone who is as comfortable deploying large-scale backend systems as they are with ... Requirements Backend engineering expertise: strong experience in designing and deploying distributed ... Responsibilities Architect and implement the Traia.io AI Agent Marketplace backend and deployment infrastructure

similar roles building technically complex products in any web programming language, with a focus on the backend ... We own the shared infrastructure, core services, and developer tooling that enable product teams to move ... That means core services, shared libraries, infrastructure, and developer tooling that need to be reliable ... work is often behind the scenes, but its impact is everywhere: reliability, scalability, security, and developer

similar roles building technically complex products in any web programming language, with a focus on the backend ... We own the shared infrastructure, core services, and developer tooling that enable product teams to move ... That means core services, shared libraries, infrastructure, and developer tooling that need to be reliable ... work is often behind the scenes, but its impact is everywhere: reliability, scalability, security, and developer