frontend developer English-speaking jobs in León

SAP EWM Consultant needed for a contract role in Madrid, Spain. Requires 3+ years of hands-on experience in EWM warehouse support or projects. Must have experience integrating EWM with automated systems and other SAP modules. Strong knowledge of IM, EWM, and GXP/SOX requirements is essential.

Key Account Manager to drive B2B sales of Android mobile solutions. Requires 3-5 years of B2B sales experience, deep Android expertise, and strong industry knowledge.

ICEMM seeks Structural Engineers (Senior & Junior) for aeronautical structural analysis. Tasks include stress, fatigue, and damage tolerance analysis using Nastran, Abaqus, and Hypermesh/Hyperview. Master's degree in Mechanical, Aeronautical, or Civil Engineering required.

Platform/DevOps Engineer will design, build, and operate distributed systems in AWS. Manage and optimize Kubernetes clusters, implement infrastructure as code with Terraform, and automate processes.

Security & Governance Lead will shape Alinia AI's security, governance, and compliance practices. Responsibilities include managing security and compliance programs, certifications, and customer procurement processes. Requires 6+ years of experience in security, governance, risk, or compliance roles, ideally in a SaaS or cloud-native environment. Must be fluent in Spanish and English.

Backend Engineer to design, implement, and operate scalable backend services using Go, TypeScript, RabbitMQ, and Kubernetes. 3+ years of backend experience building production systems in Go or TypeScript required. Proven track record designing message-driven architectures. Strong knowledge of Kubernetes. Familiarity with cryptographic concepts.

Mobile Application Development Manager needed for a global FMCG organization. Lead technical ownership of a custom mobile application, manage incidents, and drive new feature delivery.

Bionet's STEM Excellence Internship Program offers a 6-month paid opportunity for outstanding students and recent graduates in STEM fields.

DevOps IaaS professional to manage global backup and restore infrastructures for servers, databases, and NAS services. Ensure high availability of a critical worldwide service and contribute to automation initiatives. Strong automation and development skills (Ansible, APIs, Python, Bash) and experience with monitoring tools (Grafana, ELK) are required.

Senior Market Risk Murex IT Consultant providing specialist support for MUREX projects. Requires 6+ years of experience with MUREX installations and deep knowledge of the MRB MUREX Risk module.

Founding GTM Sales Development Representative will own the Spanish sales funnel, driving growth and building a scalable sales process. Requires 2+ years B2B sales experience, native Spanish, and strong English.

Senior Multi-Cloud Martech / Salesforce Engineer needed for a long-term engagement in Madrid. Leads technical delivery across Salesforce ecosystems and multi-cloud platforms, designing, developing, and integrating solutions for customer engagement, CRM, and digital marketing.

Experienced ELT & Bilingual Editor needed for a 9-month temporary position to cover maternity leave. Responsibilities include revising and adapting author submissions, creating content, and collaborating with cross-functional teams. Must have a Bachelor's degree and at least 3 years of experience in textbook editing for ELT or CLIL. Native English speaker required.

Manage, operate, and support GCP production environments. Work with core GCP services including Compute Engine, GKE, VPC networking, Cloud Storage, and IAM. Troubleshoot incidents, develop automation scripts, and implement Infrastructure as Code using Terraform.

Customer Success Manager will own and grow a portfolio of enterprise accounts across Europe, ensuring customer value and expansion. Responsibilities include onboarding, adoption, retention, and acting as a customer advocate. Requires 4+ years of B2B SaaS Customer Success experience, strong communication skills in English and Spanish, and a proven track record of revenue growth.

Certified Aircraft Maintenance Technician B1/B2 required for MRTT (Airbus A330-200) aircraft maintenance support projects. Five years of experience and a B1 and/or B2 maintenance licence are essential. Must have a minimum B2 level of English and be able to work in Madrid with potential international assignments.

Optometrist to support commercial growth of intraocular lens portfolio. Provide clinical and product trainings, pre- and post-op support, and IOL calculations.

The HR Cybersecurity Compliance Analyst will support Cyber Security and Privacy compliance for HR processes and supporting applications. Responsibilities include ensuring HR systems comply with data protection regulations, conducting risk assessments, and collaborating with HR and IT teams to implement secure configurations and access controls. The ideal candidate will have a Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field and 3-5 years of experience in cybersecurity, IT audit, or compliance roles.

Senior backend engineer to design, develop, and operate software services within cross-functional teams. Responsibilities include writing clean code, designing domain-driven systems, practicing DevOps, mentoring team members, and leading architectural decisions. Experience with NoSQL databases, modern software development practices, and a higher-level programming language is required.

Senior PhD Chemist with a strong experimental background in analytical or organic chemistry sought to lead analytical and/or process chemistry activities in enzymatic plastic depolymerization. Requires 5+ years of experience in industrial environments and proven expertise in GC-MS.