frontend developer English-speaking jobs in León

Java Tech Lead with 5+ years of experience and AWS knowledge sought for a banking client project. Responsibilities include designing, building, and maintaining software, ensuring performance and quality, and participating in the full software development lifecycle. Must have strong Java skills, API knowledge, and experience with testing types, design patterns, and Agile methodologies. High English proficiency and availability for 3 days/week at client offices in Madrid are required.

Corporate Communication Lead will develop and execute the company's communication strategy, manage media relations, and ensure effective brand positioning. Responsibilities include leading internal and external communication planning, creating content, and overseeing online platforms. Requires a Bachelor's degree in Communications, 7+ years of experience, and fluency in German, English, and Spanish.

ServiceNow & ITSM Manager needed for global platform ownership and process leadership. 3-5 years ServiceNow experience, strong ITSM process knowledge (ITIL v4 preferred), and project management skills required.

Senior Medical Science Liaison needed to support Phase 2 clinical trial enrollment and success. Develop strategic enrollment plans, cultivate relationships with neurology healthcare professionals and KOLs, and deliver scientific and educational data. Requires an advanced degree in medical science and 7+ years of experience, with a focus on neurological disorders, preferably Parkinson's disease.

Lead the development of ruggedized OpenVPX computing platforms, integrating backplanes, Ethernet switches, and GPUs. Manage a team of engineers, ensuring VPX modules meet Aerospace and Defense application requirements. Drive process evolution and verification roadmaps to maintain a cutting-edge hardware ecosystem.

Hardware Development Engineer needed for beamline instrumentation development. Requires expertise in plasma physics, diagnostics, confinement, and beam generation.

Astek seeks a Cybersecurity Compliance Specialist to drive digital transformation while ensuring data protection and cybersecurity standards for a leading pharmaceutical partner. The ideal candidate has experience in security/privacy audits within multinational environments and knowledge of frameworks such as ISO 27001, SOC2, and GDPR. Relevant certifications are a plus.

Senior .NET Software Engineer to design, architect, and develop scalable backend solutions using .NET technologies and cloud environments. Experience with distributed systems, microservices, and AWS cloud services is required.

Lead the implementation of the ServiceNow AI Control Tower for an international client, ensuring responsible and scalable AI adoption. Responsibilities include designing, integrating, deploying, and managing the platform, defining governance processes, and integrating with corporate systems.

Senior Carbon Trader specializing in EU Emissions Allowances (EUAs) with 5+ years of experience generating consistent P&L within the EU ETS.

Analyzes solar farm performance, identifies issues, and reports findings to ensure optimal operation. Collaborates with teams to onboard new sites, monitor performance, and improve processes. Requires data analysis, technical knowledge, and communication skills.

As a Sales Development Representative for the DACH region, you will initiate conversations with prospects, qualify leads, and collaborate with the Business Development team.

Manages a dynamic guest services operation in a hotel or hospitality setting. Requires 5+ years of experience, strong customer service skills, and the ability to lead and coach a team. Must speak English clearly.

Key Account Manager to drive growth and development of B2B car rental solutions for tour operators, travel agencies, and intermediaries.

Design & Marketing Assistant needed for a dynamic company with four diverse brands. Responsibilities include graphic design, social media content creation, and marketing execution. Must be fluent in English and Spanish, proficient in Adobe Creative Suite, and have strong copywriting skills.

Receptionists provide exceptional customer service as the first point of contact for students, managing daily operations, resolving inquiries and complaints, and ensuring smooth check-in and check-out processes.

Account Executive to join a hybrid team in Madrid, Spain. Drive the full sales cycle, from prospecting to closing. Develop sales strategies, prepare proposals, and negotiate contracts. Proven sales experience (at least 6 months) and fluency in Polish (C2) and English (B2) required.

Quality Analyst will validate and verify datasets, identify anomalies, and design data validation checks. Responsibilities include investigating data issues, creating quality incident reports, and monitoring recurring problems. Requires a degree in a related field, strong SQL skills, and proficiency in data analysis and visualization. Experience with healthcare datasets is beneficial.

Finance & Administration Assistant for recent graduates to gain experience in digital tools, project coordination, and basic finance operations. Support with event platform management, accounting activities, document archiving, and supplier communication.

Senior CFO to lead financial strategy and capital markets activities for a pan-European affordable housing platform. Responsibilities include fundraising, structuring financing, developing financial models, and designing the corporate structure.