backend developer English-speaking jobs in Oviedo

Support daily operations of a pilot fermentation facility, assisting in the operation and maintenance of bioreactors, mixing tanks, and other equipment. Responsibilities include preparing, operating, and cleaning equipment, monitoring fermentation processes, and supporting senior scientists.

The Spain National & Local Coordinator for Clean Cities will develop and lead the campaign strategy in Spain, working with local groups and the European core team to promote sustainable mobility. The coordinator will build public support, political pressure, and momentum for phasing out the internal combustion engine by the 2030s.

Programmatic Trader responsible for managing and optimizing audio/video campaigns using proprietary AI-driven platform VOICE. Requires 2+ years experience in ad operations, client services, or programmatic trading with DV360 and TTD. Strong communication and understanding of the ad-tech ecosystem are essential.

Sales Intern to support the commercial team in strategy, daily operations, data analysis, and strategic projects. Must have a Bachelor's degree in a related field, minimum B2 English, and proficiency in Microsoft Office.

Lead and coach a team of Business Development Representatives, ensuring high-quality meetings and adherence to best practices. Drive meeting-booking performance, support team development, and manage day-to-day operations.

Bluetab seeks a Data Strategy Manager with 7+ years of experience in Data Governance. The role involves defining and implementing governance frameworks, acting as a data quality evangelist, and translating business needs into technical requirements. Expertise in frameworks like DAMA, data governance tools, and strong communication skills are essential. Fluency in Spanish and English is required.

QA Data Engineer will collaborate with teams to ensure test coverage across unit, integration, system, and end-to-end levels. Responsibilities include designing test cases, managing test datasets, executing technical and functional testing, and tracking defects. Requires 4+ years of experience in data engineering, data QA, BI engineering, or a related field.

Mobile Developer to design, develop, and maintain native iOS (Swift) and Android (Kotlin) applications. Requires 3+ years of experience, B2 English, and a university degree in a related field.

Senior Partnerships Manager to build and scale a partner ecosystem in France for a growing SaaS company. Responsibilities include identifying, qualifying, and recruiting partners, leading the full partner lifecycle, and defining KPIs and monitoring performance. Requires 5-7 years of experience in SaaS partnerships, strong business acumen, and fluency in French.

German-speaking Account Executive to join a dynamic hybrid team in Madrid. Own the full sales cycle, from prospecting to closing deals. Must have at least 6 months of sales experience and fluency in German (C2) and English (B2 or higher).

Cybersecurity Architect will industrialize security tools for multi-cloud and hybrid environments, design secure architectures, and conduct compliance audits. Requires 3+ years experience, a degree from a top engineering school, and strong knowledge of AWS, Azure, GCP, Linux/Windows hardening, and secure solution design.

Operational Innovations Director/Senior Manager will oversee daily operations, project management, and resource allocation. Coordinate with department heads, support CEO in strategic planning, and work with admin/finance teams. Requires 4-5 years of experience in operations or project management, fluency in English and Spanish, and proficiency in MS Office and Office 365.

ROTA Exhibitions Spain SA seeks an Exhibition Sales Executive to identify and pursue new sales prospects, negotiate deals, and maintain customer satisfaction. Responsibilities include conducting market research, setting up meetings with potential clients, and collaborating with team members.

Directs, coaches, and supervises kitchen staff. Requires a culinary school degree and 5+ years experience in upscale food service, including 2+ years as Chef Tournant. Must have strong management, communication, and problem-solving skills. Responsible for recipe adherence, food production, and ensuring compliance with health and safety standards.

Retail Sales Manager to lead a team of Beauty Advisors, drive sales, and curate a positive customer experience. Experience in beauty retail and proven leadership skills are required.

Field Service Engineer to commission, test, maintain, and troubleshoot EV charging equipment in Portugal and Spain. Provide on-site and remote technical support to customers.

Senior Backend Engineer to design, build, and improve backend services for an investment management platform. Experience with .NET Core, SQL, REST APIs, and cloud platforms required. Must have legal authorization to work in Spain.

BrandLink seeks a Country Manager to lead business development and growth in Spain. This director-level role involves developing market strategy, managing sales, and building relationships with FMCG brands and agencies. The ideal candidate has senior experience in FMCG or MarTech, strong trade marketing knowledge, and fluency in Spanish and English.

Real estate agent to represent exclusive new developments and premium properties on the Costa del Sol. Proven knowledge of real estate and local property regulations required. Fluency in professional English and at least one additional language (Spanish, Swedish, Dutch, French, Polish, Czech, or German) is necessary.

Assistant Store Manager to support Store Managers in Barcelona. Manage store operations, provide customer service, train sales teams, and achieve sales targets. Requires 3+ years of retail management experience, fluency in English, and proficiency in administrative tasks.