backend developer English-speaking jobs in Castile-La Mancha

Client Engagement Manager will work with clients and partners to maximize platform adoption and drive results. Requires 3-5 years of experience in Customer Success, Account Management, or similar roles, fluency in English and Spanish, and experience in a SaaS company.

Pricing Analyst will analyze sales data, market trends, and competitor pricing to support pricing decisions. Responsibilities include implementing system changes, monitoring impact on revenue, preparing pricing reports, and creating analytical models. Requires proficiency in SQL, Excel, and strong analytical and communication skills.

The Sales Manager – Travel Industry will drive individual luxury leisure business by building relationships with travel partners and representing the InterContinental brand. This role requires a Bachelor's degree, 4+ years of hospitality sales experience, and 3+ years of experience handling high-end leisure for a 5* luxury property. Fluency in English and Spanish is essential.

Buyer – ITAD & Marketplaces will purchase IT hardware, manage pricing and margins, identify commercial opportunities, and negotiate with suppliers.

Administer and configure MarTech platforms (Braze, mParticle, SFMC, Tealium, Segment, OneTrust). Manage platform governance, access controls, and user permissions. Oversee integrations with CRM, analytics, and internal systems. Ensure data quality, consistency, and compliance (GDPR, CCPA). Implement and maintain event-driven architectures (APIs, webhooks, SDKs). Support data collection, storage, and activation for marketing initiatives. Collaborate with engineering/DevOps for CI/CD deployments. Monitor platforms and improve reliability and performance.

Experienced Private Wealth Adviser needed to build and manage relationships with high-net-worth clients, providing comprehensive financial planning and investment advice. Requires Level 4 & CYSEC qualifications and proven success in wealth management.

QA Intern to join Product team ensuring quality of web applications, mobile apps, and backoffice tools through manual testing. Collaborate with product managers, developers, and stakeholders to validate new developments and catch issues early.

M&A Analyst to support investment team in drafting and structuring investment materials, conducting research, and collaborating on deal documentation.

Experienced Sushi Chefs needed for high-end Asian restaurant on Marbella's Golden Mile. Must have proven experience, strong knife skills, and knowledge of sushi and sashimi preparation.

Senior QARA Specialist ensures regulatory compliance and certification of software products in a medical device environment. Collaborates on quality system documentation, investigates quality issues, and supports regulatory submissions. Conducts internal audits and facilitates software release approvals.

Provide technical customer support for a leading renewable energy company. Support German and English-speaking customers with photovoltaic systems, inverters, modules, monitoring systems, storage solutions, and e-mobility technologies.

Quantitative AI/ML Engineer to lead research, development, and deployment of advanced ML systems powering algorithmic trading strategies. Design predictive models, optimize trading logic, and ensure performance and explainability. Strong Python, data science, and ML framework experience required.

Customer Service Specialist needed for a dynamic international team in Málaga. Respond to inbound customer calls in German and English, assist with bookings and travel inquiries, and ensure customer satisfaction. Minimum 1 year of sales experience required.

Senior Software Engineer will design, implement, and iterate on features for the Expert Retention team, using React, .NET, PostgreSQL, and AWS. The role involves collaborating with Product and Data to translate business goals into solutions and leveraging data to improve expert retention and engagement.

IT & Compliance Consultant needed for digital transformation projects in pharma and life sciences. Responsibilities include IT compliance, CSV activities, documentation, and applying regulatory frameworks. Requires 3-5 years of relevant experience, fluency in German and English, and a technical background.

QA Engineer will ensure product quality through manual and automated testing. Responsibilities include validating user stories, conducting exploratory testing, monitoring production bugs, and participating in the implementation and maintenance of automated tests. Requires experience with manual and automated testing, JavaScript-based testing frameworks (Cypress or similar), API testing using Postman, and GitLab deployment pipelines. Fluent English required.

This freelance, remote position involves data analysis for digital map enhancement. Tasks include research, evaluation, and verification of data accuracy. Applicants must be fluent in Spanish, residents of Spain for the past two years, and have familiarity with Spanish culture and current affairs.

DSP Analyst will lead data-driven initiatives to improve profitability, service quality, and operational efficiency across Cainiao Iberia's last-mile delivery network. Responsibilities include network optimization, cost & performance analysis, process engineering, automation, and strategic insights. Requires a Bachelor's degree, proficiency in SQL and data visualization tools, and 2+ years of experience in logistics, e-commerce, or 3PL. Must be fluent in English and Spanish.

Marine Account Manager to develop and manage accounts in Spain, Portugal, Greece, Malta, Cyprus, Italy, the USA, Africa, KSA, and Egypt. Requires experience in the marine industry, account management, and business development. Must be Spanish national or have deep familiarity with Spanish culture.

Customer Service Representative provides administrative and customer support, ensuring customer satisfaction and timely order processing.