93 backend developer English-speaking jobs in Catalonia

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

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 ... 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 ... training, company events, drinks flat rate and good coffee What you do.Design and development of scalable backend

developer, with strong .NET expertise (C#, ASP.NET Core, REST APIs). ... As we scale and modernise our platform, we need a Senior .NET Developer to help us build the next generation ... of our backend systems, while keeping the business running smoothly today. ... Current Stack Backend: PHP (Symfony), Node.js, .NET Frontend: React, and Vanilla JS. ... Work within a small backend team that communicates openly, moves fast, and helps each other.

The team is looking for a Senior Scala Developer. ... What You’ll Do: Design, implement, and maintain highly scalable backend services written in Scala.

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

Role Overview We are looking for a talented Backend Software Engineer to join our team. ... What We’re Looking For 2+ years of professional experience Strong backend engineering experience, with ... Experience operating and maintaining production services What You’ll Do Design, build, and operate backend

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

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

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 ... of 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 ... backend architecture In-memory processing Modern infrastructure and cloud tooling What we offer Opportunity

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 (

About the Role Hostaway is seeking a highly motivated Principal Backend Engineer to join the Core team ... years in a technical leadership role (Staff, Principal, or Architect) Expert‑level proficiency in any backend

About the role As a Backend Staff Engineer, you will drive the technical standards for the Backend across ... You will contribute to scaling up Backend engineers in multiple squads and bringing great talents on ... You will lead Backend engineers with tech roadmaps, architecture decisions, and feature development and ... technical leadership, and mentoring others About your experience At least 10 years of experience in backend

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

Technical Skills Frontend: Angular Backend: Node.js, Python (FastAPI, Flask, or Django) DevOps & ... influencing decisions across all organizational levels Certifications (preferred) AWS Certified Developer

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

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

Strong proficiency in at least one backend language (Python, Java, Node.js, or C#). ... Architect scalable backend systems and services, including RESTful APIs and microservices. ... You’ll play a key role in developing and maintaining robust backend architectures, responsive frontends

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

The Frontend Developer will be responsible for developing and implementing user-facing features using ... Role Description This is a full-time hybrid role in Barcelona (Spain) for a Frontend Developer at Knox

Senior Backend Engineer will design, develop, test, deploy, and maintain software using a JVM language and Spring Boot in large-scale production systems. Experience with microservice architecture, relational and non-relational databases, and AWS is preferred. Full professional proficiency in English is required.