freelance English-speaking jobs in Errenteria

Receptionists provide exceptional customer service as the first point of contact for students, managing daily operations, handling inquiries, and resolving issues. They ensure smooth check-in/check-out processes, process payments, and assist with administrative tasks.

The Head of Internal Audit will oversee internal audit activities within a regulated payments environment, ensuring compliance with regulatory requirements. This role will monitor external audit providers, review audit reports, and report findings to senior management and the Board.

System Integrator (Avionics) for international projects. Own electrical and electronic system integration of unmanned aerial systems, including wiring, electrical architecture, and physical integration. Design, improve wiring harnesses, and create electrical documentation. Plan and execute electrical testing and support system integration, ground, and flight testing.

Supervises installation, commissioning, and maintenance of power transformers and GIS equipment. Provides on-site technical service, troubleshooting, and training. Manages returns, claims, and reports. Requires a degree in Electrical Engineering and 3-5 years of experience. Fluent English required, French or Italian a plus.

Senior Software Engineer to design, develop, and maintain mobile applications for public transport operators and drivers using React Native and TypeScript.

Lead the development of utility-scale BESS projects in Spain from site identification through financial close. Manage technical, commercial, and regulatory aspects, ensuring alignment with company strategy and investor expectations.

Experienced UI/UX Lead to own design function for mobile tabletop games. Lead ideation, execution, and mentorship of UI/UX designers. Expert Figma skills and a strong mobile game UI portfolio required.

The Logistic Supervisor manages the complete vehicle logistics flow from China to final delivery across Spain and the Iberian Peninsula. Responsibilities include coordinating shipment planning, international transport, port operations, PDI, and distribution, ensuring vehicle readiness, compliance, and on-time delivery.

Cint seeks a Senior BI Data Architect to lead the technical evolution of its data platform for a six-month fixed-term contract. This role involves designing and implementing a Databricks Lakehouse, migrating legacy SQL, and building the semantic layer for self-service analytics. Responsibilities include optimizing query performance, governing the Databricks compute footprint, and partnering with stakeholders to translate business questions into scalable data solutions.

Datacenter Network Technician will perform fiber testing, cabling, and installation. Support network and server teams with rack and stack, circuit migration, and maintenance. Conduct failure analysis, perform functional testing, and update IT ticketing systems. Experience with server provisioning, troubleshooting, and fiber optic testing is required.

Red Team Security Engineer to conduct penetration tests, vulnerability research, and threat modeling against a global cloud platform. Requires 5+ years in offensive security, advanced penetration testing certifications, and expertise in exploitation frameworks and scripting.

Sets the sales strategy for Xiaomi AIoT products in Spain, ensuring product launch readiness and managing business planning. Responsible for meeting sales and margin guidelines, driving product portfolio decisions, and identifying market opportunities. Collaborates with cross-functional teams to execute GTM strategies and ensure smooth product launches.

Design, implement, and maintain secure Kubernetes clusters on-premise. Manage deployments, services, and networking using Docker and Linux containers. Use Ansible for configuration and Terraform for provisioning to automate infrastructure.

Payroll Coordinator will manage end-to-end payroll processing across multiple countries, ensuring compliance with labor and tax regulations. The role involves collaborating with payroll providers, reconciling payroll data, and preparing HR cost reports. Requires 5+ years of experience in payroll and HR controlling, strong analytical skills, and proficiency in English.

Leads influencer marketing efforts in English-speaking markets, expanding outreach and driving revenue growth. Builds and strengthens relationships with financial content creators, designs campaigns, and analyzes performance. Requires 2+ years of influencer marketing experience, strong operational and strategic skills, and fluency in English and Spanish.

Senior Data Engineer to manage enterprise data infrastructure, ensuring seamless data access across platforms. Responsibilities include deploying and configuring Trino/Starburst Enterprise and Galaxy environments, administering a Dell Data Lakehouse platform, and integrating diverse data sources.

Experienced SAP S/4HANA Master Data Lead/Business Data Owner needed for a 4-6 month contract. Drive data governance, quality, and continuous improvement across global S/4 environments. Lead MDM processes for Business Partner, Material, and Finance domains.

Electrical System Architect for a demonstrator project focused on high voltage electrical systems for sustainable aviation. Responsibilities include leading a team, designing HV architecture, and developing prototypes. Requires a Master's degree in a relevant field and 10+ years of experience in electrical system architecture.

Data Engineer to design, develop, and maintain ETL pipelines using Azure Data Factory, Databricks, and Spark for a German automotive client.

Vue, a fast-growing skincare brand, seeks a Lead Graphic Designer to elevate brand visuals and ensure consistency across all customer touchpoints. This part-time freelance role (10-15 hours/week) focuses on brand design and visual leadership. Responsibilities include refining the brand look and feel, creating scalable design systems, and collaborating with the marketing team to ensure visuals support performance.