backend developer English-speaking jobs in Extremadura

Develop and execute social media content, create corporate materials, and conduct trend analysis for employer branding. Collaborate with teams to support cross-functional initiatives. Must have a strong interest in HR, Recruitment, and Branding, fluency in English and French, and experience with AI/OpenAI tools.

Manages and reconciles cryptocurrency transactions, prepares financial statements, and ensures compliance with accounting standards and regulations.

Provide attentive customer service to clients gifting travel experiences via phone and email. Manage reservations, address inquiries, and collaborate with the sales team.

Senior IAM Engineer needed for a rapidly scaling SaaS company in Barcelona. Design, implement, and optimize identity and access management solutions across Azure, Microsoft Entra ID, and Google Workspace. Drive automation, ensure operational excellence, and mentor team members. Requires 3+ years of IAM experience, deep expertise in Azure and Microsoft Entra ID, and strong knowledge of SCIM, SSO, SAML, OIDC, APIs, and GraphQL.

Transforms raw data into usable datasets and visualizations for business users. Develops and maintains ELT pipelines using dbt and Snowflake. Collaborates with data analysts and engineers to optimize data models and ensure data quality. Requires 3+ years of experience in a data-focused role, expert-level SQL skills, and hands-on experience with dbt.

Operational Excellence Expert to drive continuous improvement across international manufacturing sites. Lead OPEX assessments, implement foundational pillars, and partner with site leaders to eliminate waste and reduce variation. Requires MSc in Chemical or Industrial Engineering and proven track record in process-driven manufacturing.

Develops and tests ion, electron, and atomic beam sources. Designs, assembles, and operates plasma diagnostic instrumentation. Executes experiments to verify performance parameters.

Lead Backend Tech Lead to drive the technical direction of an FP&A platform. Shape and evolve the architecture, ensuring scalability, reliability, and maintainability. Deep Python (FastAPI) experience in production environments required.

Provides on-site technical support for desktop and laptop systems, including troubleshooting hardware, software, and connectivity issues. Manages the full lifecycle of desktop devices and delivers support using tools such as SCCM, Intune, and ServiceNow. Ensures compliance with security protocols and offers VIP support during critical escalations.

Senior Android Engineer to contribute to a global banking platform. 5+ years building scalable mobile solutions, experience with RSA cryptography, and understanding of reactive programming paradigms required.

Leads the technical design and planning of photovoltaic solar power plants, ensuring land optimization and technical feasibility. Prepares detailed drawings, performs engineering calculations, and supports tendering and construction phases. Requires a Bachelor's degree and 2-3 years of experience in large-scale photovoltaic projects.

Group-IB seeks a Cyber Threat Intelligence Analyst specializing in phishing. The role involves researching threat groups, analyzing phishing campaigns, and creating detection rules. Requires 4+ years of experience, a cybersecurity-related degree, and knowledge of Python, Bash, and threat intelligence frameworks.

Serves as a technical expert, bridging technology and market needs. Provides pre-sales support, designs solutions, and delivers technical training to distributors. Conducts on-site deployments, troubleshooting, and gathers market intelligence.

Senior Account Manager will own and grow a portfolio of key operator accounts, driving revenue growth through product adoption and strategic planning. Responsibilities include game launch and performance management, commercial upselling, and identifying new business opportunities. Requires 3+ years of experience in Account Management, Sales, or Commercial roles within the iGaming industry.

Senior DevSecOps Engineer will improve the security, reliability, and delivery velocity of Ledn's cloud platform. Responsibilities include hardening infrastructure, strengthening CI/CD pipelines, improving observability, and enabling engineering teams to ship safely. This role also carries regulatory responsibility in Spain, owning the availability, performance, and day-to-day operation of the entity's ICT assets and applications.

Senior Project Manager to lead office fit-out, occupiers, and retail construction projects. Establish project success criteria, collaborate with cross-functional teams, and manage project finances, budgets, and reporting.

Senior AI Engineer will design and maintain an AI-powered service for intelligent automation. Responsibilities include training computer vision models, integrating OCR and LLMs, and building MLOps pipelines. Requires 4+ years of software development experience, expertise in Detection Transformers, LLMs, and Python.

The Key Account Manager will lead client onboarding, manage operational relationships, and ensure service level agreement (SLA) compliance. Responsibilities include coordinating processes, defining SLAs, monitoring KPIs, and overseeing port service supervision.

Senior Backend / AI Engineer to build and maintain Python-based backend services, develop LLM-powered features, and design APIs for an AI product.

Reservations Agent needed for a 92-room boutique hotel in Barcelona. Manage reservations, handle guest inquiries, maximize revenue, and ensure smooth guest experiences. Requires proven experience in hotel reservations, strong communication skills, and fluency in Spanish and English.