frontend developer English-speaking jobs in León

Provides administrative and operational support to the Sales & Procurement Senior Manager. Assists in developing sales strategies, tracking deadlines, preparing reports, and coordinating shipments. Requires a Business Administration, Marketing, or Economics degree and proficiency in Excel.

Manage and grow affiliate partnerships, optimize revenue, and develop the affiliate program. Requires 2+ years of experience in affiliate marketing, strong communication skills, and fluency in English and Russian.

Senior Incident Responder to lead Blue Team and Incident Response, taking operational ownership of incidents and L1/L2 tickets.

T-Systems seeks two Test Managers to join the WLAN CSA Squad in Madrid. The team is responsible for the lifecycle management of the CSA Wifi/hotspot platform. Responsibilities include identifying, documenting, and structuring new test cases, coordinating test concepts and specifications, and collaborating with cross-functional teams to ensure end-to-end test coverage.

Data Engineer to design, develop, and optimize data pipelines using SQL and Databricks for a banking client in Madrid. Requires 5+ years of experience with data engineering, SQL, Databricks, Spark, and proficiency in Excel and VBA.

Finance Administrator / Accounts Assistant needed for full-time position. Responsibilities include bank and credit card reconciliations, posting transactions, reviewing invoices, and preparing payments. Requires advanced Excel skills, experience with accounting software (SUN, Navision), and strong attention to detail.

DevOps Engineering Manager to lead and scale cloud automation and deployment strategy for a global manufacturing company. Manage a global team of 15 DevOps engineers, driving automation, reliability, and performance.

Opdenergy seeks a Head of Asset Management to lead the European team in managing a portfolio of renewable energy projects. Responsibilities include defining and implementing the European Asset Management strategy, overseeing financial performance, managing contractual obligations, and coordinating with internal stakeholders.

Lead and develop a team of IT Recruitment Consultants in Madrid. Drive team performance, foster a positive environment, and contribute to the success of the South Europe business unit. Proven experience as a Senior IT Recruitment Consultant or Team Leader in the South European market is required.

Experienced IT Infrastructure Project Manager to lead and deliver complex infrastructure initiatives, including datacenter builds, Azure landing zones, and global network rollouts.

Identify leads and qualify sales opportunities for ADP in a client-facing role. Profile strategic accounts, uncover prospect challenges, and engage via social media, email, and phone calls.

Sustainability Specialist / ESG Specialist will support the Global Sustainability Lead on global sustainability topics. The role involves ESG data consolidation, communication material development, and stakeholder assessments.

Manages and executes international congress experiences, ensuring alignment with strategy and creative standards. Coordinates timelines, budgets, and workflows for seamless delivery. Collaborates cross-functionally with stakeholders to elevate the customer journey.

Financial Accountant (R2R) ensures the integrity and accuracy of financial statements for Eureca, Carrefour's European sourcing center. Responsibilities include executing month-end closures, quality control, asset management, reporting, and tax analysis. Requires a degree in Finance, Economics, or Business Administration, 4+ years of experience, and advanced S/4HANA knowledge.

Acts as the technical interface between Vishay and customers in the industrial and automotive sectors. Provides technical support, develops solution proposals, and ensures communication between sales and product development.

The British International School of Marbella seeks a Secondary Teacher of Mathematics with UK or International experience teaching IGCSE and A level Mathematics.

Connectivity Supply Executive ensures high quality delivery and process ease for global supply operations. Responsibilities include property onboarding, content quality checks, customer service escalation, and IT support coordination.

AI Engineer needed to build LLM-powered services and automations. Responsibilities include designing APIs, writing SQL queries, implementing RAG pipelines, and integrating AI into existing software systems. Requires 2+ years of experience with Python, SQL, LLM & AI system integration, RAG, vector stores, and automations.

HR Specialist to support HR strategies and manage payroll in Spain. Requires 3+ years experience in payroll and labor administration, knowledge of labor law, and proficiency in English.

Platform Engineer to design, build, and operate a cloud platform's core control plane on Kubernetes. Responsibilities include ensuring platform security, availability, and scalability, developing automation tools, and collaborating with application teams. Requires 3+ years of experience in Platform Engineering, SRE, or DevOps, strong Kubernetes knowledge, and programming experience (Go preferred).