backend developer English-speaking jobs in Oviedo

Freelance OSS Engineer with proven experience in Oracle OSS and Unified Assurance (UA) for a 3-month telecom production environment project (potential extension).

Inbound Specialist for the Dutch market. Provides B2B customer support via chat, email, and phone. Requires fluency in Dutch (C2) and English (C1). Supports customers with technical and product-related questions. Collaborates with sales, product, and technical teams.

Experienced researchers and scientists with a PhD in Catalysis Research are sought to serve as Editorial Board Members for "Current Catalysis" journal. Responsibilities include contributing to journal development, selecting topics, reviewers, and authors, and reviewing submitted articles.

Python Developer to design, maintain, and improve cloud-native DevOps platforms. Develop CI/CD tools, automated testing, and release management strategies. Experience with Azure, Terraform, FastAPI, and Python required.

Data Analyst will collect, analyze, and visualize business and product data to provide actionable insights. Responsibilities include designing dashboards, collaborating with stakeholders, and presenting findings to both technical and non-technical audiences.

Senior Quality Assurance Specialist ensures compliance with GxP, regulatory, and internal standards within affiliates/subsidiaries. Manages quality documentation, technical agreements, and supports quality teams in resolving issues. Requires a minimum of 2-3 years of experience in quality assurance or quality systems.

The Local Support Internal Coordinator will assist with visa applications, travel arrangements, and dormitory/warehouse management. Responsibilities include visa application support, travel booking coordination, workwear inventory management, and dormitory operations.

Drive commercial expansion for H2SITE by identifying and pursuing opportunities in industrial and industrial gases sectors. Develop sales strategies, prospect customers, and present hydrogen separation solutions.

Frontend Developer (React + TypeScript) to design and build accessible, secure, and high-performance web interfaces. Develop modern SPAs using React (v16+/v18) and TypeScript with strict typing and generics. Write and maintain unit tests using Jest and React Testing Library.

The Night Manager oversees all hotel operations during overnight hours, ensuring smooth service continuity and guest experience excellence. Responsibilities include supervising the housekeeping team, coordinating with departments, managing guest incidents, and conducting property walkthroughs.

Principal DevOps Engineer will design and develop new services for a cloud platform, focusing on AWS environments. Requires 8+ years of AWS experience, 4+ years with Terraform, and proficiency in Python or a similar scripting language.

Field Service Engineer needed to provide onsite and remote service and support for Next-Generation Sequencing (NGS) instruments. Troubleshoot, repair, and perform preventive maintenance on NGS systems. Install and decommission systems at clinical sites. Provide technical phone support and training. Develop and update service documentation. Bachelor's degree in engineering, Science, or related field required. Proven experience servicing electro-mechanical systems. Strong communication and customer service skills. Must be proficient in Microsoft Office applications. Willingness to travel. Knowledge of Spanish and English required.

This role involves managing a portfolio of small and medium-sized clients, ensuring their success with the company's solution. Responsibilities include building relationships, driving product adoption, managing contract renewals, advising on buying decisions, and executing onboarding processes.

Brand Manager responsible for developing and executing marketing campaigns across Spain. Collaborates with agencies, digital teams, and sales to drive brand awareness and achieve business goals. Requires 4-6 years of marketing experience, including 2+ years in FMCG brand management.

Chief Financial Officer to lead financial strategy, ERP implementation, and digital transformation for a growing international services group.

Develops sales strategies and action plans to achieve revenue targets. Identifies and converts new business opportunities in the European media, broadcast, and communications industry. Advises customers on solutions and industry trends, building large-scale business solutions. Engages senior executives to secure long-term business opportunities.

Agentic Engineer to build and scale production-grade LLM agent systems. Designs and implements multi-agent workflows, builds RAG pipelines, and manages memory strategies. Requires strong backend engineering foundation (Python preferred) and experience building LLM-powered systems in production.

Develop and execute sales strategies for aerial work platforms to achieve targets. Identify, acquire, and manage key accounts, including rental companies and construction enterprises. Build and maintain customer relationships, negotiate contracts, and monitor market trends.

Asset Manager to manage commercial, technical, and contractual aspects of operational renewable energy assets. Responsibilities include revenue optimization, performance monitoring, and cross-functional collaboration. 2-4 years of experience in asset management or similar roles required.

The Head of Nature-Based Solutions will coordinate, supervise, and implement global nature-based initiatives to address environmental risks. This role partners with internal teams to embed nature-based solutions into property-level action plans and ensures projects are scientifically grounded, effectively implemented, and consistently reported.