backend developer English-speaking jobs in Castile-La Mancha

The Manager, Digital Sales develops and executes sales strategies to drive revenue growth across distribution channels. This role provides leadership to sales teams, manages relationships with key customers and partners, and identifies new market opportunities. Requires a Bachelor's degree, 7+ years of B2B software sales experience, and proven success in exceeding sales objectives.

PhD Candidate to join a research project on endometriosis, focusing on personalized medicine and patient-derived organoids.

Lead complex IT and business transformation projects from initiation to closure, ensuring alignment with business objectives, timelines, and budget constraints. Manage project plans, resources, risks, and deliverables while coordinating multidisciplinary teams and external vendors.

Data & Systems Intern will support data management activities including data loads, quality assurance, testing, and BI development. Must be a university student with basic SQL, Excel, and Python knowledge and strong communication skills.

Finance & Administration Manager to oversee accounting, treasury, administration, and HQ HR functions. Experience in international trade, VAT complexity, and multi-currency operations required.

Experienced Accountant with DATEV expertise needed to manage German accounting from Madrid office. Responsibilities include general accounting, tax compliance, and liaising with external parties.

Senior Infrastructure Engineer to design and improve core infrastructure architecture across Azure, on-prem network, and security. Define standards, guardrails, and reusable patterns. Collaborate with internal teams and stakeholders to align technical decisions.

Digital Sales Associate fluent in Dutch with Inbound experience needed. Must have a sales aptitude, excellent closing skills, and be goal-oriented. Responsibilities include reaching sales goals, building relationships with potential clients, and cross-selling ADP products and services. Must be fluent in Dutch and English.

Inside Sales Representative will lead follow-up calls with prospective customers, represent a premium automotive brand, and collect customer insights. Must be bilingual in Flemish and English and have experience in customer service or sales, ideally within the automotive or luxury sectors.

The Marketing Manager - interim will develop and lead outreach programs to promote the school to prospective parents and stakeholders. This role will develop and maintain relationships with key account holders, including relocation agents, embassies, and education agents. The Marketing Manager will also develop and implement the school's marketing plan, oversee the MAC budget, and lead the development of content strategy.

Machine Learning Platform Engineer to design, deploy, and operate production-grade AI systems. Responsibilities include building automated pipelines, running ML workloads on cloud platforms, and improving reliability and performance. Strong Python engineering background and experience supporting ML systems required.

Tangent is seeking a passionate Customer Success Manager for a leading SaaS platform in Barcelona. You will build relationships with clients, understand their needs, and ensure they maximize their investment in the platform.

German-speaking Sales Development Representative to drive pipeline and revenue growth. Conduct outbound prospecting, qualify leads, and schedule meetings for Account Managers.

Manages partner relationships to achieve company bookings goals. Collaborates with cross-functional teams to develop joint value propositions and go-to-market plans. Drives deal registration, funnel creation, and pipeline development. Oversees channel partner relationships and conducts business reviews to track progress.

Support the onboarding and delivery of global GCR engagements by assisting with proposal coordination, transition activities, and performance tracking.

Marketing Trainee to support strategic marketing decisions. Responsibilities include coordinating product launches, managing artwork processes, conducting market analysis, and collaborating on budget control. Requires a bachelor's degree, fluency in English, advanced Excel skills, and strong analytical abilities.

Key Account Manager will drive sales goals by promoting company products to healthcare institutions and key customers. Responsibilities include building relationships with stakeholders, implementing marketing strategies, and monitoring account performance.

Doofinder seeks Sales Specialists to drive new business acquisition in the USA or UK markets. Responsibilities include prospecting, managing the sales cycle, and exceeding revenue targets. Successful candidates will have 1-2 years of B2B sales experience, strong communication skills, and experience using CRM tools.

Senior Account Executive to manage and develop key client accounts. Collaborate on strategic and creative projects, prepare communication materials, and manage client relationships. Requires native or bilingual English, a related degree, and over four years of agency experience.

Designs, develops, and implements Agentic AI models and systems, focusing on actionable insights from data analysis. Develops Back End code (Python), Agentic AI applications, and APIs. Collaborates with teams to align AI solutions with business needs. Requires a Bachelor's in a quantitative field, advanced Python expertise, and familiarity with database systems and Gen AI tools. Experience productionizing GenAI services and working with complex datasets is essential.