backend developer English-speaking jobs in Extremadura

IT Systems & Infrastructure Specialist will provide cloud and infrastructure services, ensuring system reliability and resolving technical issues. Responsibilities include managing Azure cloud infrastructure, troubleshooting, and collaborating with teams to optimize performance and security.

Bioinformatic Post-doctoral fellow to join the Biomedical Genomics Group. Requires PhD in bioinformatics or similar, research excellence, experience with Linux, programming (Python, Perl, R), and NGS-data analysis. Strong communication and writing skills are essential.

Senior Optimization Scientist to design and develop advanced optimization models and algorithms for complex engineering and operational challenges.

Designs, deploys, and maintains HPC and hybrid HPC-Quantum platforms. Leads technical architecture of compute clusters, interconnects, and storage systems. Works with R&D teams to align infrastructure with application requirements. Ensures platform availability, performance, and security. Evaluates emerging technologies and acts as a technical reference for HPC and quantum computing.

React Frontend Developer will support the integration, development, and maintenance of automated end-to-end tests for the Access 4.0 project. Responsibilities include enhancing the REACT GUI and backend for a load test application and improving the CI/CD pipeline.

Leads Serrala's global communications strategy, partnering with Executive Leadership Team to drive a unified narrative. Manages media relations, crafts content, and oversees internal communications programs.

Provides high-quality service to internal and external clients, acting as the first point of contact for office and client matters. Coordinates daily office activities, ensuring smooth operations and compliance with company policies. Manages office supplies, travel arrangements, and service invoices.

The Technical Functional Analyst will translate business requirements into detailed functional specifications, user stories, and acceptance criteria. Responsibilities include drafting technical documentation, creating logic diagrams, and acting as a liaison between business stakeholders and the development team.

Senior Cloud Engineer to design, implement, and manage cloud infrastructure using Terraform, AWS, and Kubernetes.

CrowdStrike Consultant needed with strong SIEM skills and professional fluency in Spanish. Responsibilities include deploying CrowdStrike Falcon, integrating with SIEM platforms, conducting threat investigations, and providing expert guidance on endpoint security.

Data & Analytics Business Developer to drive new business generation and acquire new customers. Responsibilities include identifying opportunities, collaborating on marketing campaigns, building a sales pipeline, and closing deals. Requires 5+ years of experience in professional services, deep understanding of data analytics, and proven success in closing new business.

The Engagement and Program Manager will plan, coordinate, and implement member engagement initiatives and programs for 22@Network Barcelona. Responsibilities include developing partnerships, organizing events, managing communication, and ensuring positive member experiences.

Senior Front End Developer will design and develop user interfaces and client dashboards for trading systems technology. Requires strong TypeScript/JavaScript and React experience, advanced communication skills, and a background in Computer Science or Mathematics from a top university.

Stoke Travel seeks a creative and engaging Social Media Weapon to develop and execute social media strategies across TikTok, Instagram, and YouTube. The ideal candidate is comfortable on camera, possesses a strong understanding of social media trends, and thrives in a fast-paced environment.

Camper, a B Corp footwear brand, seeks a Customer Operations Specialist to manage B2B customer accounts. Responsibilities include order routing, delivery management, returns processing, EDI operations, customer conditions monitoring, credit management, and serving as a key contact for account management and internal departments.

Sales Development Representative will prospect, research, and cold call eCommerce brands to generate pipeline. You will book meetings, work with the sales team to test scripts and messaging, and learn high-velocity SaaS sales. Requires 1+ year of experience in sales, business development, or customer-facing roles.

Aviation consultant to define digitalization strategies, develop AI/machine learning algorithms, and perform advanced analytics for transport sector clients. Requires a master's degree and experience with programming languages and big data architectures.

Manage social media and content for a global online travel business, focusing on the DACH market. Responsibilities include content creation, community management, video editing, and tracking KPIs. Requires fluency in German and English, strong storytelling skills, and a passion for travel.

Quality Control Engineer to ensure the reliability and performance of AI-driven solutions. Collaborate with teams to define acceptance criteria and evaluate system quality. Develop and maintain test suites for AI systems and ML workflows, including chatbots and APIs.

Provide customer service for a major international automotive company. Requires native or bilingual Swedish and advanced English (C1). Must have background in luxury sector and reside in Madrid or be willing to relocate.