406 frontend developer English-speaking jobs in Barcelona

Country, Spain 4 months ago Madrid, Community of Madrid, Spain 3 weeks ago Senior Software Engineer (Frontend ... Senior Software Engineer - Age of Empires (Remote) Madrid, Community of Madrid, Spain 6 days ago Senior Developer

Senior Frontend Architect - (Hybrid)As you contemplate your future, you might be asking yourself, what's ... We're seeking an experienced Frontend Architect to join our Architect Team in Barcelona in charge of ... other architects in cross-team, company-level technical initiativesWhat you need to succeed: 8+ years frontend

high-traffic, scalable SaaS systems and understand the trade-offs in performance, reliability, and developer ... Move fluidly between frontend and backend codebases to unblock the team and keep momentum high. ... Fullstack JavaScript/TypeScript experience: You've shipped customer-facing features using TypeScript across frontend

challenges in performance optimization, observability, and resilience End to end contributions from frontend ... fast-moving team Our Stack Backend: Python, FastAPI, Asyncio, Redis, PostgreSQL Infra: AWS, Terraform, CI/CD Frontend

What You'll Do Deliver features end-to-end across frontend and backend Collaborate with product and design ... standards of code quality, performance, and testing Our Stack We work with a modern TypeScript-based stack: Frontend

server-side rendering, performance and SEO optimisation Able to work independently and guide others on frontend

Real Estate developer, International Private Equity backed Start-up/scale-up phase project About Our ... Client International Private Equity backed Real Estate developer Job Description Develop and execute

Frontend Software Engineer role involving product development in React, API integrations, and system architecture design. Requires expert-level client-side development and an Agile mindset.

security testing, code reviews, and deployment checks Perform security‐focused code reviews across frontend ... optimization Fullstack Development (When the fortress is secure) Contribute production code across frontend ... this is not the right fit Fullstack development experience: you can build and ship features across frontend ... leveraging full codebase access to catch issues that surface‐level QA would miss Test across the full stack: frontend

EU AI Act, or GDPR, experience in international software development environments, exposure to both frontend ... interface and event contracts, data schemas, decision logic, and policies; Deliver end-to-end backend and frontend

Software Engineers are needed for product development in Python/Django and/or React, handling integrations and system architecture. Candidates must have expert-level full-stack experience and work in an Agile environment.

UIs for TVs applications**What we expect from you*** 5+ years of relevant experience as JavaScript developer ... product that requires changes almost every day* Strong knowledge of JavaScript, TypeScript and modern frontend

speed with quality and when to choose one over the other Deep TypeScript & React proficiency on the frontend ... genuine passion for AI and a habit of staying on the frontier: new models, protocols (MCP, A2A), and developer

Frontend Expertise: Experience with React or TypeScript for creating high-quality user interfaces. ... Engineering: Proven experience building and operating modern web applications and cloud-based services across frontend

internally, contributing to a global, fast-moving environment focused on innovation, scalability, and developer ... platform reliability, observability, and security while fostering internal adoption and consistent developer ... growth, interoperability, and performance Define, monitor, and report on platform metrics focused on developer ... software engineering or DevOps experience is a plus Demonstrated success in platformization or internal developer ... platform or infrastructure teams Proven track record managing or building core platform services, SDKs, or developer

Real Estate developer, International Private Equity backed Start-up/scale-up phase project International ... Private Equity backed Real Estate developer Develop and execute the company's financial strategy to

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

Managing a cross-functional team with backend, frontend and mobile profiles. ... Qualifications 2 years of cross-functional team management experience with backend, frontend, and test ... in-depth experience in at least one backend language, but able to understand the technical complexity of frontend

e-commerce, and similar Strong experience testing APIs (REST, JSON, HTTP concepts) Experience testing modern frontend ... reproduction steps and context Plan, execute, and document manual QA across applications Test backend APIs and frontend

Business Developer - Cell and Gene Therapy (CGT) page is loaded## Business Developer - Cell and Gene ... Business Developer - Cell and Gene Therapy (CGT)Skip to main contentWe use cookies and tracking technologies ... **As Innovation and CGT Business Developer, you will be pivotal in boosting our Advanced Therapies and