79 backend developer English-speaking jobs in Barcelona

At Palatin, we're hiring for a Golang Developer. ... Understanding of event-driven systems and backend scalability patterns. ... Join a team building impactful backend systems for a global user base. ... This is a stable, long-term role with real influence on system evolution, scalability, and backend design ... Responsibilities: Build and maintain backend services in Golang, focusing on low-latency and scalability

experience as a backend developer;Experience in developing Node.js applications for at least 4 years ... At this stage of our journey we're looking for Backend DevelopersRequirements:At least 4 years of

Who we areQuantion is a Business Digital Transformation services company born in 2015. We have +120 professionals in application development, UX/UI and digital business transformation to build innovative solutions oriented to business results.

Key Responsibilities We are looking for a full stack developer with a passion for marketing to become ... Backend Development Build scalable and secure APIs using Python and JavaScript. ... Backend: Solid experience with Python. Cloud: Familiarity with cloud infrastructure.

something, you will know how to (and you will want to) deploy it to a production environment As a senior developer ... The role We are hiring senior backend engineers who embrace software craftsmanship and have a strong ... team You will be part of a product development cross-functional team, where you will work with other backend

We are looking for a Senior Backend Engineer who wants to have a high impact from day one and be part ... What you’ll doDesign and scale resilient, efficient backend systems.Write clean, high-quality code in ... decisions (AWS: RDS, ECS, Kafka, synchronous/asynchronous tasks).Collaborate with a multidisciplinary team (backend

backend systems that form the backbone of the PropHero platform. ... (Skills required)Experience: Minimum of 5 years of professional experience in backend development. ... Improving performance: Ensure backend systems are optimized for scalability, performance, and reliability ... maintainable, and testable code, applying SOLID principles and driving adherence to best practices in backend ... Your mission as a Backend Software Engineer will be to design and build the robust, scalable, and high-performing

seamless in-app chat, text, or recommendation features.Collaborate with designers, product managers, and backend ... Mobile DeveloperA fantastic opportunity for a driven Mobile Developer to join a leading Quantum AI company ... Term Contract, with scope to extend - *Hybrid working from sites in Madrid or Barcelona.As a Mobile Developer

Whether you're early in your journey or a seasoned developer, we welcome those who strive for technical ... management, Digital transformation, Managed Services and compliance.The OpportunityWe’re looking for a Backend ... and NoSQL (MongoDB, CosmosDB) databases.Clear grasp of security fundamentals and how to apply them in backend ... maintain well-documented, testable RESTful APIs using FastAPI, Flask, or similar frameworks.Build modular backend ... collaborating across disciplines — this role is for you.Core Experience & SkillsExperience with Python-based backend

As a backend engineer at Fourthline, you will: Design, develop, maintain, and improve our microservices ... Account Verification (BAV) + Qualified Electronic Signatures (QES) teams in Barcelona—we’re looking for a Backend

solution without any disruption to business.ResponsibilitiesWe are looking for an experienced Java Developer ... Must have: Kotlin, Java Spring Boot, Gradle;At least 5 years of work experience including enterprise backend

💼 Position: SAP ABAP HCM Developer 📍 Location: Barcelona, Spain (Hybrid – 2-3 days onsite per week) ... 🕒 Type: Full-time | Permanent Role Overview: We are looking for an experienced SAP ABAP HCM Developer

One of our partners, a leading international tech company in the eCommerce sector, is looking for Backend ... evolution of a scalable and resilient architecture.What you’ll doDesign, develop, and maintain scalable backend ... contribute to thorough technical documentation.What we’re looking forSolid professional experience as a Backend

Qualifications 5+ years of professional backend software development experience working on modern backend ... In this role you will Design, develop, and implement high-quality, high-performance backend services ... Identify and address performance bottlenecks, security vulnerabilities, and reliability issues in the backend

Collaborate on backend development tasks using Node.js (Fastify). ... Familiarity with Node.js (preferably Fastify) for backend collaboration. ... Integrate and optimize RESTful APIs for smooth frontend-backend communication. ... involves building user-centric, responsive, and high-performing web applications, while collaborating on backend

You’ll help shape the future of large-scale, scalable backend systems and infrastructure solutions — ... strong focus on hands-on development and technical leadership.Your missionYou’ll take ownership of backend ... and performance.Create and maintain technical and architectural documentation.Stay on top of Go and backend ... performance, and security of our systems.What you’ll doArchitect, design, and build scalable and secure backend ... development trends to bring in best practices.What we’re looking forProven experience in backend development

technology, internet, finance, retail, logistics, energy, manufacturing and medical.We’re seeking a Developer ... interact with printing and scanning operations.Collaborate closely with UX/UI designers, firmware, and backend

Experience with RESTful APIs, GraphQL, or gRPC to connect Android apps with backend services. ... Collaborate with product managers, designers, and backend engineers to deliver seamless, user-centered

They are currently looking to hire a CCH Tagetik Expert - Developer to join their team based in Barcelona ... As a CCH Tagetik Expert – Developer, your responsibilities will include: • Supporting and leading the

A day in the life of a Plytix developer is an exciting one. ... You’ll be working with your fellow frontend and backend engineers, making sure that everything is running ... expect you to:5+ years of professional experience in web software developmentSolid experience in Python backend