backend developer English-speaking jobs in Oviedo

Inbound Sales Development Representative manages and qualifies leads, understands business needs, and converts interest into sales opportunities.

Senior Embedded Software Engineer to develop real-time software under Linux and RTOS in C and C++. Requires 6+ years of experience developing embedded software and firmware, defining software architectures, and understanding the software/hardware interface. Experience with avionics, automotive, or space development is beneficial. Must be authorized to work in the EU.

Technical Office Lead for MEP works on a major European sports infrastructure renovation project. Leads technical and commercial management, coordinates with Design and Procurement, prepares budgets, monitors progress, and ensures cost control.

Mathematics Teachers needed for A-Level and KS3-KS4 positions in Alicante and Madrid. Plan and deliver engaging lessons, monitor student progress, and contribute to curriculum development.

Project Planning Manager will update schedules for medium and high criticality projects, collaborating with Project Managers, Operations, Sub Systems Manager and Chief of Development. The role requires strong communication, schedule analysis, and stakeholder management skills.

Experienced UI/UX Lead to own design function for mobile casual games (card, puzzle, board). Lead ideation, execution, and mentorship of UI/UX design across live titles and new game development. Expert Figma skills and strong portfolio required.

Enable high-performing Agile teams across transformation and operations initiatives. Facilitate sprint ceremonies, remove impediments, and foster continuous improvement within distributed, cross-functional teams.

Senior Engineer to design and build core systems for an autonomous voice agent platform. Responsibilities include real-time voice pipelines, LLM orchestration, telephony integrations, and CRM connectors. Requires 5+ years of backend systems experience (Node.js, Python, Go), Twilio, and voice infrastructure expertise. Full stack capability and strong systems thinking are essential.

Senior Project Engineer with 10+ years of experience in Power Projects (combined cycles) required. Responsibilities include interdisciplinary coordination, technical problem resolution, document management, and change order control. Must have a MSc or BSc in Engineering, strong negotiation skills, and fluency in English. International assignments required.

WinGD seeks a Superintendent Technical Engineer to provide on-site commissioning, troubleshooting, and training support. The role requires expertise in engine operation, maintenance, and diagnostics. Applicants must have a Bachelor's or Master's in Engineering, fluency in English, and the ability to travel extensively.

Drive strategic clarity and execution as Chief of Staff, working directly with founders to unblock priorities and ensure alignment across product, engineering, go-to-market, and operations.

Solution Architect to design secure architectures for critical infrastructure across IT, OT, cloud, and hybrid ecosystems.

Film Distribution Lawyer needed for a fast-growing European studio. Draft, review, and negotiate distribution agreements globally. Provide legal support to commercial teams, with a focus on Europe and the US. 2-5 years PQE, UK or EU qualified. Strong distribution experience and knowledge of EU/UK competition law required.

Software Engineer to design and build a cloud-native Telemetry Router service for secure, high-volume data collection, transformation, and routing. Experience with Go, Kubernetes, and Kubernetes Operators is required.

Lead the Front Office department at a 5* lifestyle hotel, ensuring smooth operations, guest satisfaction, and team development. Manage budgets, forecasting, and revenue optimization while supervising Reception, Guest Experience, and Welcome Teams. Proven experience in luxury hotels and strong leadership skills are required.

Huawei seeks a Solar Service Team Intern for a 6-month, full-time paid internship in Madrid. Interns will gain hands-on experience with the operation of a large-scale PV plant, including panels, inverters, and monitoring systems. Responsibilities include installation training, start-up instructions, operating instructions, troubleshooting, and ticket management.

Leads commercial growth and develops new customers across Spain for a global leader in home healthcare solutions. Focuses on identifying and acquiring new customers, expanding distributor partnerships, and driving sustainable revenue growth.

Drive new sales for a cloud-native company at the forefront of the Media & Entertainment industry. Lead B2B growth efforts, working with innovative solutions that transform industries. Develop and execute sales plans, manage customer accounts, and lead the end-to-end sales cycle.

The Assistant Store Manager supports the Store Manager in driving sales, enhancing customer experience, and managing daily store operations. Responsibilities include customer service, stock control, visual merchandising, and team leadership in the Store Manager's absence.

Administration Assistant needed for a multinational ICT company. Supports business process development, monitors workflow, manages data and communication. Requires a degree in a related field, 1-3 years of experience, and fluency in English, Spanish, and Chinese.