backend developer English-speaking jobs in Castile-La Mancha

T-Systems seeks two Test Managers to join the WLAN CSA Squad in Madrid. The team is responsible for the lifecycle management of the CSA Wifi/hotspot platform. Responsibilities include identifying, documenting, and structuring new test cases, coordinating test concepts and specifications, and collaborating with cross-functional teams to ensure end-to-end test coverage.

Store Manager to lead retail operations in Barcelona. Experience in retail or luxury fashion, team management, and customer service required. Must be able to analyze KPIs, manage budgets, and support other stores as needed.

Sustainability Specialist / ESG Specialist will support the Global Sustainability Lead on global sustainability topics. The role involves ESG data consolidation, communication material development, and stakeholder assessments.

UX & Conversion Manager will define user experience strategy, lead UX/UI improvement initiatives, and optimize conversion flows across app, web, and kiosks. Requires 5+ years of experience in digital, ecommerce, or product environments with proven omnichannel strategy execution.

Manages and executes international congress experiences, ensuring alignment with strategy and creative standards. Coordinates timelines, budgets, and workflows for seamless delivery. Collaborates cross-functionally with stakeholders to elevate the customer journey.

The Analytics Implementation Specialist will design and implement digital tracking for Dow Jones' digital products. Responsibilities include partnering with development teams, managing tag management systems, ensuring data quality, and documenting processes. The ideal candidate has experience with SQL, data collection, and web development.

Provide day-to-day Salesforce Service Cloud support, resolving incidents and requests. Configure and maintain Salesforce features using declarative tools. Translate business requests into Salesforce configurations. Collaborate with senior engineers and admins.

Digital Marketing Specialist to develop and execute integrated marketing strategies for ZYCLE and WOLTIO brands. Manage multichannel campaigns, create marketing assets, and oversee external agencies. Analyze performance, identify opportunities, and collaborate with sales, product, and engineering teams.

The Residence Manager will lead the opening of a new student residence, oversee daily operations, manage teams, and ensure a positive living experience for residents.

Genetic Laboratory Technician needed to support daily operations of a reproductive genetics laboratory. Responsibilities include processing blood samples, performing molecular biology and genomics techniques, and maintaining laboratory records. Requires a Laboratory Technician certificate, English language skills, and experience in a genetics laboratory with techniques such as PCR, qPCR, or NGS.

Provides 24/7 technical support for roadside tolling services and systems. Resolves incidents, performs fault diagnosis, and escalates complex issues. Supports roadside equipment and infrastructure, including ANPR cameras, laser scanners, and network connectivity. Maintains technical documentation and contributes to service improvement initiatives.

Visual Merchandiser / Stylist & Trend Forecasting Specialist will develop and execute visual merchandising strategies across e-commerce, retail, and press. Responsibilities include collaborating with the Creative Director and Design Team on collection themes, building seasonal assortments, and styling product photography. The role requires a strong understanding of market trends, competitor activity, and consumer behavior.

Provides guest support via phone, email, and chat, resolving issues and ensuring satisfaction. Documents incidents and coordinates with internal teams. Requires C1/C2 English proficiency and previous customer service experience.

Collections Process Expert will lead and coordinate strategic projects to enhance collections processes and tools, drive the implementation of digital solutions, and provide data-driven insights to optimize recovery strategies.

Provides high-level support to the CEO, managing their agenda, communications, and commitments. Requires strong organizational, prioritization, and communication skills. Experience as an Executive Assistant to C-level executives is essential.

Provides on-site desktop support, troubleshooting and resolving hardware, software, and network connectivity issues. Experience with Windows operating systems, Microsoft Office Suite, and Cisco Jabber required.

Revlon seeks a Finished Goods Supply Manager to oversee the end-to-end supply chain. This role involves managing inventory, production schedules, and logistics to meet customer demand while optimizing costs and service levels. The successful candidate will lead a team, collaborate cross-functionally, and analyze supply chain performance.

GALGO REAL ESTATE seeks a Senior Real Estate Sales Agent with experience in property consulting, fluent in English and Spanish, and strong negotiation skills. Responsibilities include prospecting, property valuation, client advice, and follow-up.

Office Manager needed for a stealth AI startup. Part-time (50%) role supporting people operations, ensuring smooth office operations, team support, and efficient processes.

Finance Administrator / Accounts Assistant needed for full-time position. Responsibilities include bank and credit card reconciliations, posting transactions, reviewing invoices, and preparing payments. Requires advanced Excel skills, experience with accounting software (SUN, Navision), and strong attention to detail.