backend developer English-speaking jobs in Oviedo

Sanitas seeks entrepreneurial professionals to develop their own business as Exclusive Insurance Agents in Mazarrón, Murcia. Agents will manage their own commercial activity, build client portfolios, and utilize digital tools to grow their business.

Experienced Java Developer to design and develop bank integration solutions using Spring Boot. Responsibilities include building RESTful APIs, implementing JWT authentication, and developing event-driven workflows with messaging tools like RabbitMQ or Kafka. Requires strong experience with Java, Spring Boot, PostgreSQL, and background job frameworks.

Data Scientist intern will apply data science methods to real-world business situations across various industries. Responsibilities include framing business challenges, designing algorithms, implementing solutions, and partnering with clients. Must be comfortable in a client-facing role and have a strong understanding of machine learning techniques.

Senior SEO/GEO Manager builds and executes SEO/GEO strategies for B2B SaaS/tech clients. Responsibilities include content strategy, technical SEO, conversion optimization, and GEO execution. Requires 4-7+ years of hands-on SEO experience, strong analytical skills, and the ability to leverage AI tools for research, content creation, and workflow automation.

Business Analyst Intern will analyze client marketplace performance, build business reviews, and implement strategic recommendations.

Functional Product Manager for Civitfun, a SaaS brand offering a complete suite to automate the guest journey. Define and maintain the product roadmap, translate business requirements into product specifications, and work closely with engineering teams. Requires 4+ years of product management experience in a B2B SaaS environment and strong understanding of technical concepts.

Warehouse Operator will receive, process, and ship goods, ensuring accuracy and timely delivery. Responsibilities include inventory management, operating warehouse equipment, and collaborating with sales and logistics teams. Previous warehouse experience and a forklift license are desired.

As a Commissioning Technician, you will execute test and commissioning activities for hydrogen generation units, ensuring target capacity, purity, and system availability. Responsibilities include data acquisition, FAT and SAT support, equipment preparation, leak testing, assembly, wiring, PLC control testing, and record maintenance.

Recruiter to lead end-to-end recruitment projects in the Netherlands. Source talent, manage client relationships, and contribute to process improvements. Requires 2+ years recruitment experience, strong sourcing skills, and fluency in Dutch and English.

Product Sales Executive drives adoption of global employment, cross-border compliance, and payroll solutions for small and mid-sized businesses. Manages full sales cycle, from prospecting to closing, leveraging existing customer base and exceeding sales targets. Requires fluency in English and 1+ year of B2B sales experience.

Intermediate Quantity Surveyors will support projects across Ireland and Central Europe. Responsibilities include budget preparation, cost estimates, progress reports, and client communication. The role requires 4+ years of experience, a degree in Quantity Surveying or related field, and strong commercial awareness.

Customer Service Specialist acts as a liaison between customers and the company, ensuring excellent service standards and resolving customer issues. Provides accurate information, identifies customer needs, and collaborates with internal teams. Requires 5+ years of experience in a similar role, fluency in Spanish or Catalan, and proficiency in Office Tools.

GBSB Global Business School seeks part-time lecturers to teach business courses in Barcelona. Applicants must have a Master's degree, strong English skills, and experience designing and delivering curriculum-based instruction.

Stormshield, a subsidiary of Airbus Defence and Space Cyber Programmes, seeks a Key Account Manager for Defence in Spain. The role involves developing account strategies, identifying customer needs, prospecting for opportunities, and building relationships with decision-makers.

Lead FPGA architect for a commercial synchronization platform used in quantum computing, 6G communications, and measurement systems. Own architecture vision, drive implementation, and coordinate across global engineering teams.

Senior Key Account Manager to manage and grow relationships with key clients in the logistics sector. Develop account strategies, track performance, and collaborate with cross-functional teams. Requires proven account management experience, strong communication skills, and fluency in Spanish and English.

Develop and convert sales opportunities for food packaging and serviceware products in the European market. Manage existing and new client relationships. Five+ years of sales management experience in Retail or Horeca sectors required. Fluent in French and English.

Junior Fiduciary Accountant provides accounting, reporting, and tax support for client companies. Manages client portfolios, prepares financial statements, and assists with audits. Requires accounting experience within the Spanish framework and proficiency in English.

Site Engagement and Recruitment Coordinator supports clinical trial planning and execution. Responsibilities include site selection, contract negotiation, regulatory submissions, and monitoring. The role requires 3+ years of clinical trial experience, including CRA experience, and fluency in English and local languages.

Manage industrial coordination for projects, including material procurement, SAP data entry, and shipment logistics. Ensure timely delivery of materials to meet project requirements. Collaborate with engineering and industrial teams to optimize material flow and minimize project costs.