backend developer English-speaking jobs in Oviedo

Strategy and operations intern supporting customer success and operations team. Conducts market research, analyzes customer data, and assists in creating growth strategies. Optimizes workflows, generates insights, and collaborates across teams. MBA or Master in business required.

Sea-Freight Operator manages ocean freight operations for import and export, overseeing the entire shipment cycle. Responsibilities include arranging shipments, handling documentation, customs clearance, liaising with customers and suppliers, and monitoring shipment progress. Requires 3+ years of experience in international freight forwarding, fluency in Spanish and English, and proficiency with Microsoft Office 365.

Design Engineer needed for automated warehouse systems in Cornellà de Llobregat. Responsibilities include calculations, 2D/3D design using SolidWorks, documentation, risk analysis, and product/manufacturing plan design. Requires a Mechanical Engineering degree or equivalent, 3+ years of experience, proficiency in SolidWorks and AutoCAD, and fluency in English and German.

Lead Java Developer needed for a digital product studio. Experience with Spring Boot, Java, SQL, PostgreSQL, and APIs required. Manage and mentor developers, collaborate with design teams, and contribute to innovative projects.

WeGrow seeks a Sales Manager in Spain to develop and execute sales strategies, manage customer and supplier relationships, and drive sales execution. The ideal candidate will have a strong understanding of agricultural markets, technologies, and experience in WSF, inhibitors, and/or biostimulant sales.

Strategy and Operations Consultant will lead diagnostic assessments, develop business cases, and manage projects for industrial clients. Requires a Master's degree, 3-5 years of consulting experience, and project management expertise. Fluency in English and Spanish is required.

BrainRocket seeks a Back End Developer with 5+ years of experience in Node.js and Nest.js for in-house platform development and API integrations. Requirements include strong JavaScript knowledge, experience with high-loaded databases (SQL or NoSQL), REST, GraphQL, and WebSockets, TDD principles, microservice architecture, and GIT. Intermediate English level is required.

Sales leader with deep technology understanding seeks to drive growth in Spain. Own end-to-end deals, build client relationships, and shape market strategy in a cloud and Salesforce-focused environment.

Business Development Manager to identify and secure clients for a leading CRO specializing in onco-hematological diseases. Responsibilities include client analysis, relationship building, RFP/RFQ responses, project monitoring, and network development.

Coordinate technical and project management activities for powertrain projects. Ensure application of development and quality processes. Consolidate and report QCDP indicators. Oversee technical convergence of mechanical components. Prepare technical documentation and ensure problem-solving using structured methodologies.

The Lead Engineer for Green Field projects leads the technical execution of projects, supports tendering activities, and acts as the main technical reference throughout the project lifecycle. Responsibilities include ensuring compliance with technical requirements, proposing optimizations, managing scope changes, and monitoring project timelines.

Technical Responsible for Medical Device Manufacturing needed to support production of high-quality medical devices. Experience with medical devices using liquid nitrogen for cryopreservation and tissue conservation is required. Responsibilities include ensuring regulatory compliance, reviewing finished products, coordinating qualification and validation activities, and providing technical guidance to production and quality teams.

Pharmacovigilance Specialist will manage Individual Case Safety Reports (ICSRs), Adverse Events (AEs), and perform literature assessments. Responsibilities include preparing PSURs, RMPs, DSURs, and ACOs, and providing support to Qualified Persons for Pharmacovigilance. Requires +2 years experience, fluency in English & Spanish, and a Life Science degree.

Board Advisor for sustainable, impactful startups. Provide strategic guidance, expertise, and fundraising support to pre-seed to Series A companies. Potential for investment. Part-time, remote role.

Full Stack Developer will design, develop, and maintain a web-based CAD platform using Python, C#, Node.js, MySQL, JavaScript, TypeScript, React, Next.js, CSS, and Tailwind CSS. Responsibilities include implementing algorithms, integrating Generative AI, and building interactive interfaces. Proven ability to solve complex geometric and algebraic challenges is required.

Data Scientist with a Supply Chain focus needed for a 6-month freelance contract. Apply cutting-edge data science techniques to large datasets, design predictive models, and translate complex problems into data-driven solutions.

Senior SAP Logistics Expert to deliver and support S/4HANA logistics projects, including ECC to S/4 conversions.

Ledn is seeking a full-time Spain Compliance Officer to oversee compliance for Ledn Spain and serve as its designated AML Representative to SEPBLAC. This role will maintain and enhance Ledn Spain's AML and sanctions compliance program, oversee other regulatory obligations, and act as a key liaison with regulators.

Dynamic Affiliate Manager needed to lead SEO affiliate, influencer, and paid media programs. Manage affiliate relationships, negotiate deals, and develop paid media strategies. Requires 3-5 years of experience in affiliate marketing, influencer management, and paid media, with a focus on data analysis and campaign optimization. Experience in the iGaming industry is a plus.

International Business Development Manager to define and deliver commercial strategy for a natural ingredients portfolio. Identify, win, and grow strategic customers/partners globally. Build business cases and commercial plans for new markets. Own the end-to-end sales cycle and manage key accounts.