frontend developer English-speaking jobs in Extremadura

Sales Assistant needed for a store in Murcia. The role involves providing excellent customer service, assisting with sales, managing stock, and implementing visual merchandising guidelines. Previous customer service experience and a passion for fashion are required.

Software Development Engineer will design and implement new features for desktop and console applications used to generate patient anatomy from dental X-ray scans. Requires a Master's degree in a technical field, 5+ years of C++ development experience, and strong understanding of Agile principles.

Senior Full Stack Developer will design, develop, and optimize cloud-native platforms and applications using AWS Amplify, Lambda, and related services. Responsibilities include translating business requirements into scalable cloud solutions, developing serverless backend services with Python, and building user interfaces with React.js. Requires 7+ years of experience in cloud software development and expertise in AWS Serverless architectures.

System Engineer for Automatic Train Protection (ATP) systems on high-speed trains. Integrates train control and radio systems, coordinates across teams and with customers, and supports the product lifecycle. Requires a Master's degree in a relevant field, experience with rail vehicle technology and ATP systems, and strong communication skills.

Provides comprehensive operational support to global study teams for phase I-IV clinical trials. Manages study documents, logistics, and communication, ensuring study efficiency, compliance, and quality. Supports audits, meetings, and vendor/CRO management.

As a Creative Strategist, you will own ad testing and scaling across Meta, TikTok, and emerging platforms. You will translate performance data into creative briefs, drive iteration with designers, and study competitor trends. You will apply psychology and buying behavior to every ad to achieve 2-4x year-over-year growth in ad platform investment.

Design and develop Key Management and Secrets Management systems for a next-generation cloud platform. Build cryptographic workflows, Kubernetes operators, and REST APIs.

Lead all sales activity in Spain, including new business acquisition, account management, and pipeline development across NEXRA's verticals. Recruit, onboard, and manage a network of commission-only sales representatives. Drive adoption of NEXRA Express and identify cross-sell opportunities.

Full-Cycle Account Executive for a Barcelona-based AI B2B SaaS company. Manage the entire sales funnel, drive ARR growth, and become an expert in the AI solution.

Senior Applied AI Engineer will design and implement LLM-powered product features, translate user feedback into technical requirements, and build LLM workflows. Responsibilities include selecting and evaluating LLMs, developing prompt strategies, and ensuring production quality of AI features. Requires 7+ years of software engineering experience with strong production ownership, experience with LLMs and AI/ML in production, and cloud infrastructure experience.

Freelance Satellite Systems Architect needed for part-time, remote support of spacecraft and satellite development. Requires European-based candidate with proven experience in satellite systems engineering across the full satellite lifecycle.

Support day-to-day site operations for clinical research studies, ensuring smooth communication, accurate documentation, and compliance with research standards.

The American School of Barcelona seeks a Middle School Social Studies Teacher to deliver a rigorous curriculum focused on history, geography, civics, and economics. The ideal candidate will design engaging units of study aligned with Common Core standards and the C3 Framework for Social Studies, differentiate instruction, and collaborate with colleagues and learning support staff.

Lead Architect for ServiceNow projects in the DACH region. Develop scalable architectures, establish technical standards, and provide expertise to pre-sales and project teams.

Provides Level 1 hardware and software support, troubleshooting and resolving user issues. Manages and supports end user devices, printers, and mobile computing devices. Participates in IT projects and process improvements.

Cloud Operations Engineer to manage public cloud infrastructure, ensuring application stability and high availability. Responsibilities include cloud resource management, daily maintenance, incident response, and technical support. Requires experience with AWS, Azure, Alibaba Cloud, Linux, databases, and containerization.

The Strategic Project & Transformation Project Manager – NCIM is accountable for the global implementation of a site payment tool. This role leads cross-functional teams, manages project phases, and drives standardization and digitization of clinical site invoice management.

Senior Behavioral Data Analyst will design and implement a new behavioral analytics approach. Responsibilities include exploring and analyzing large-scale behavioral data, translating business needs into data questions, and collaborating with global teams to shape data use cases. Requires 5+ years of experience in data science, behavioral analytics, CRM analytics, or consumer journey analysis. Strong Python and SQL skills are essential.

Aftersales Service Specialist analyzes customer inquiry data, designs reports, and tracks campaign effectiveness. Manages customer service, satisfaction, and complaint resolution. Maintains service systems and generates performance reports. Requires 2+ years of experience in aftersales service, strong data analysis skills, and fluency in English.

This dual-function Operations Specialist manages the end-to-end experience for partners and users of a digital marketplace. Responsibilities include providing customer support, resolving issues, guiding users on platform tools, and contributing to process improvements. Requires 1-2 years of customer-facing experience, fluency in English and Spanish, and proficiency in additional languages.