backend developer English-speaking jobs in Oviedo

Provide technical assistance for clean energy and climate-related infrastructure projects in developing countries. Services include sector assessments, project preparation, environmental and social advisory, climate risk assessments, and capacity building. Requires a university degree in a relevant field and 10+ years of experience in energy economics and financial viability. Fluency in English is required.

, Lleida) Reporting to: Country Manager Role Overview We are seeking a commercially driven Technical Sales Manager to develop and manage sales across Spain within the animal nutrition sector. This role requires a strong technical foundation combined with the ability to lead commercial negotiations and close deals independently.

Manages production of pharmaceutical products at external vendors (CMOs). Plans, manages, and drives Fill & Finish activities ensuring quality, scope, budget, and time adherence. Collaborates with cross-functional departments and builds relationships with internal and external stakeholders.

Develop new software systems and forensic tools for IT security. Design software solutions and implement and test IT security measures. Lead the development of source code, software tools, and third-party products. Provide training and documentation for system users and stakeholders.

Build innovative iOS features for a global banking platform. Collaborate with engineers and product teams to design APIs and improve the iOS tech stack. Requires deep understanding of the iOS platform, Swift, and Agile development.

Provides operational support for the Cybersecurity Portfolio, standardizing processes, tracking resource allocation, and generating reports for executive oversight.

Partner to the CEO, owning people operations and execution as a product. Build and scale people systems, embed execution discipline, and lead recruitment.

Energy Solutions Engineer will design and deliver energy efficiency solutions for industrial clients across Europe. Responsibilities include conducting energy audits, developing savings models, and collaborating with sales, projects, and engineering teams. Requires 3+ years of engineering experience, technical sales experience, and fluency in English and Spanish.

Provides executive and administrative support within the Purchasing Department. Ensures timely delivery of purchased goods, mainly raw materials and products for other departments. Places orders, tracks order status, and manages purchasing operations. Requires 3-5 years of experience in the fragrance industry, excellent English and Spanish, and advanced Microsoft Office skills.

Junior Cost Control Engineer to assist with project templates, database maintenance, cost analysis, and staffing schedules. Requires 1-2 years experience, a degree in a relevant field, and advanced Excel skills.

An exciting opportunity to join our clients team at a fast-growing digital product engineering company with a global presence in 33 countries and over 19,000 experts . The company builds products, services, and experiences that inspire, excite, and delight. We are looking for a SAP SuccessFactors Solution Architect to join this global organization.

Design electronic schematics and perform multilayer PCB layout for space and aerospace applications. Collaborate with multidisciplinary teams to ensure high reliability and performance. Define client and product requirements, debug digital communication protocols, and support prototype assembly.

As a Regional Technical Leader, you will serve as the design authority and primary technical reference for up to three strategic accounts within the EU C&SP Solution Center. You will ensure technical excellence and standardization of Schneider Electric’s electrical and cooling solutions from early prescription and tender phases through project execution. You will translate customer technical drivers into optimized, compliant architectures, engage proactively with customer central teams, and support tenders with validated design concepts. You will lead the definition of customer-approved solutions, promote standardization and reuse across regions, and produce complete design packages. You will also capture lessons learned to improve design efficiency and act as the technical referent for Zone and Country Technical Leaders.

Shape the future of sustainable mobility as a Zero Emissions (ZE) Business Partner. Define and lead the business unit's ZE strategic roadmap, drive innovation, and ensure alignment with corporate objectives.

Technology Expert (Batteries & PV) will define and standardize battery and photovoltaic (PV) systems, lead testing and homologation processes, and manage vendor relationships. The role also involves developing innovative energy solutions, designing control algorithms, and overseeing a Network Operations Center (NOC) for battery asset monitoring.

Launch Specialist will coordinate cross-functional teams to ensure successful product launches, managing timelines, milestones, and communication.

Leads United Imaging's Iberia region growth strategy across radiology, cardiology, oncology, and AI. Responsible for P&L, compliance, team leadership, and customer relationships. Requires 15+ years of healthcare technology leadership, with 8-10 years in commercial management and deep Iberian market knowledge.

Lead Product Designer to guide complex client projects from ideation to launch. Strong visual design skills and experience leading multidisciplinary teams are essential.

Design, prototype, and iterate on user flows and interfaces for a financial technology product. Work within a cross-functional team to uphold design and usability standards. Gather and analyze feedback, and iterate on designs based on market needs and customer feedback.

VAT Manager for a globally recognized advisory firm in Madrid. Focus on high-value VAT advisory, structuring, inspections, and strategic positioning for multinational clients.