1119 backend developer English-speaking jobs in Catalonia

From high-performing APIs to backend algorithms, integration frameworks, to guaranteeing data privacy ... You’ve worked with a variety of web APIs and developed backend services using modern OOP practices. ... a high-velocity engineer who thrives in dynamic environments—someone who can iterate quickly, build backend ... However, this role is more heavily focused on backend development, but will have some frontend development ... Proficient in English Tech stack Our systems are built in Ruby on Rails, PostgreSQL and Redis on the backend

What You Will Do The Staff Backend Software Engineer will lead the effort to develop new backend features ... of a cross functional team that develops core technologies and game features Mentor members of the backend ... team members Stay up-to-date with the latest industry trends and technologies to continually enhance backend ... scalability, and maintainability Collaborate with other engineering teams to ensure cohesive and scalable backend

What you will need: At least 5 years of experience as a Frontend Developer (react) Git Very good

You’ll work closely with backend engineers to deliver reliable, scalable functionality and collaborate ... you’ll do Build and maintain features in our mobile application (React Native) Collaborate with backend ... proficiency with modern frontend frameworks (React Native or similar) Experience collaborating with backend

Both need strong backend engineers. ... ✅ Your mission, should you choose to accept it: Build backend services in C# and .NET running on ... from real incidents 🤝 You’ll be a great fit if you bring a few of the below with you: Strong backend

Develop and own backend features using Python/Django, supporting the creation of new backend services ... As a Senior II Backend Engineer, you’ll set the technical direction, lead cross‑functional projects, ... Design and implement scalable backend systems, data pipelines, and integrations with third‑party platforms

Integrate our graphical user interfaces with the backend service landscape. ... webshop based on given requirements and user needs Integrating our graphical user interfaces with the backend

C++ Developer page is loaded## C++ Developerlocations: Barcelona - King - PGtime type: Full timeposted ... requisition id: R026897**Craft:**Technology & Development**Job Description:**We are looking for a C++ Developer

Software Developer Job Location: Barcelona, Barcelona, Spain Functional Area: Information Technology ... architecture principles, patterns, and best practices You are proficient in at least two general programming/backend

Cross-Functional Collaboration: Work closely with backend engineers, UX designers, and product managers ... Experience: Improve front-end tooling, testing strategies (unit, integration, E2E, visual regression), and developer

Expected to spend part of the time on external developer engagement and events. ... You will also have the opportunity to engage with local developer communities, share knowledge about ... Support, Solutions Engineering, or Developer Advocacy Public speaking experience (meetups, workshops ... Collaborate with internal teams to organize and support developer events, workshops, and tech talks focused ... for customers by feeding back recurring issues and feature requests Actively participate in local developer

We’re currently looking for a Backend Engineer with Ruby on Rails experience to join our B2B team. ... You’ll be using our core backend stack (Python/Django), working on features and engineering initiatives ... features using Python/Django, supporting the creation of new backend services as well as design, create ... Our core backend stack is Python/Django with React on the frontend, but we’re pragmatic and tech-agnostic ... web applications (e.g. well-designed APIs, high-volume data pipelines, efficient algorithms); Solid backend

Full Stack Developer – Retail Solutions Oliver Wyman is a global leader in management consulting, and ... We’re seeking a Full Stack Developer for our Spanish team (Madrid or Barcelona) with a passion for building

Overview Java Developer - eDO Transport (Hybrid) As you contemplate your future, you might be asking ... We're seeking an experienced Java Developer to join our Transport Team in Barcelona to help customers ... As a Java Developer in the Transport Team you will be in charge of: Able to code with Java 21 or any

As a Node.js Engineer, you will play a key role in designing and building a modern, scalable backend ... Strong proficiency in Node.js and TypeScript for building scalable, maintainable backend services. ... Responsibilities Design and develop scalable backend services, contributing to the evolution of a modern ... scalability and future growth of the platform. 5+ years of experience building and maintaining backend

As a Node.js Engineer, you will play a key role in designing and building a modern, scalable backend ... Strong proficiency in Node.js and TypeScript for building scalable, maintainable backend services. ... Responsibilities Design and develop scalable backend services, contributing to the evolution of a modern ... scalability and future growth of the platform. 5+ years of experience building and maintaining backend

Cloud & Backend Proficiency:Strong practical experience designing and building scalable applications ... of experience managing an engineering teamthat has successfully delivered user-facing features and backend ... Technology Stack Oversight:Guide the team in designing and building scalable backend services usingNode.jsand

Your work will directly impact engineering velocity, code quality, and developer satisfaction across ... ) Experience in high-growth environments where developer experience was a key priority Additional ... This role focuses on creating a world-class developer experience by streamlining the software development ... tools Experience integrating AI tools into developer workflows (code generation, code review, debugging ... development workflows and implement solutions Proactively identify opportunities for improvement in developer

Purpose of the role: As a Senior Rust Developer on our team, you will play a crucial role in designing ... We ensure that cross-client and backend initiatives are executed with consistency and correctness; we ... You will work collaboratively in a cross‑functional team, including backend API, web frontend, Mac, Windows

You will develop and maintain high-performance firmware, print pipeline services, and backend systems ... e.g., DoD, test coverage, defect SLAs) Firmware modules for job management, device services, and UI backend