13 frontend developer English-speaking jobs in Castile and León

Collaborate with cross‐functional teams including docs, frontend, API, and CLI to deliver cohesive developer ... Opportunity to work on cutting‐edge AI‐native developer tooling. ... Experience building developer tools, platforms, or internal systems used by engineering teams. ... You will work at the intersection of AI systems, developer experience, and platform engineering in a ... role focuses on shaping how developers and AI agents interact with modern backend infrastructure and developer

AI-driven product Qualifications What we are looking for Required 3–5 years of experience as a Fullstack Developer ... What you will do Develop and maintain fullstack features using React (frontend) and Python (backend) ... Strong experience with React in frontend development Solid backend development experience with Python ... Build and integrate microservices ensuring scalability and performance Collaborate closely with the frontend

Senior Frontend Software Engineer - React / Typescript / AI We're hiring for multiple experienced frontend ... Keywords: Software / AI / Frontend Engineer / React / NextJS / Redux / TailWind / CSS By applying to ... Responsibilities & Qualifications 5-6+ years in Frontend Development Experienced with React and Typescript

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

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

Build customer-facing features end to end, from the data model to the API to the React/TypeScript frontend ... systems such as LLMs, agents, RAG, and vector DBs Full-stack range, comfortable working through the frontend

We're seeking a Security Developer to join our team on a hybrid, full-time basis , collaborating with

Opportunity to make a direct impact on a rapidly scaling, developer‐focused platform. ... Product‐oriented mindset with the ability to create scalable internal tools and developer‐centric solutions ... position offers the chance to solve complex distributed systems challenges while contributing to a developer‐first

Prior experience in bootstrapped or developer‐first companies. ... Nice to Haves Experience with open‐source products and developer communities. ... and community engagement efforts to position Flagsmith as a category leader in feature management and developer ... product, data, and strategy: 5+ years of experience in marketing leadership roles, ideally within SaaS or developer

Senior React Developer role requiring 7+ years of experience. Ideal candidates have exposure to complex industries like FinTech or Logistics. Must possess advanced English fluency and be a proactive problem solver.

Contribute across the stack: while backend is the main focus, be open to occasional frontend contributions

These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft

security into CI/CD pipelines, defining risk-based security gates and exception processes while reducing developer