backend developer English-speaking jobs in León

Lead the development of a European sustainable finance and ESG advisory platform. Build market presence, originate work, and deliver projects across Spain with potential European expansion. Requires senior client relationships, commercial acumen, and sustainable finance or ESG advisory experience.

Builds and maintains reliable, scalable systems for Big Data processing. Develops scripts and tools to automate deployment tasks and monitor system operations. Collaborates with developers and engineers to improve infrastructure.

Develop next-generation laser systems, encompassing optical, mechanical, and control system design. Responsibilities include laser cavity design, optical system design, mechanical design, control system development, integration, testing, and documentation.

Supervises maintenance of 12 facilities across Western Spain, ensuring smooth sorting operations. Leads maintenance strategies for sortation systems and building infrastructure. Troubleshoots issues, manages suppliers, and ensures compliance with safety and legal standards.

Experienced Infrastructure Manager needed to rebuild and stabilize a global hosting platform. Responsibilities include team leadership, operational strategy development, and technical stewardship. Requires 3+ years of management experience, expertise in Linux, Ceph, and OpenStack, and a focus on operational excellence.

Sales specialist to achieve sales goals by promoting and selling Candela Glace product line to physicians and other customers. Requires 1-3 years of capital equipment or B2B sales experience and willingness to travel.

Mechanical Designer needed for international naval hull structure projects. Design, develop, and draft 2D/3D structural drawings using AVEVA and AutoCAD. Coordinate with multidisciplinary teams and ensure compliance with naval standards.

Commissioning Engineer will support vendors, contractors, and teams in the construction and commissioning of data center systems including power, HVAC, and building management systems. Responsibilities include test script development, Factory Witness Testing, and system level testing.

Hands-on DevOps Engineer to own and evolve production infrastructure, including Kubernetes clusters, CI/CD pipelines, observability stacks, and infrastructure-as-code.

Data Scientist specializing in Insurance Pricing will develop and deploy advanced analytics models to optimize pricing strategies, improve profitability, and address business challenges.

Lead commercial management for a major specialist construction program in Zaragoza. Manage subcontract procurement, cost planning, and risk mitigation. Administer main contracts and collaborate with site and engineering teams. Proven experience as a Commercial Manager or Senior Quantity Surveyor in construction or specialist contracting is required.

BESS Solutions Engineer needed for a growing renewable energy developer. Experience in designing, negotiating, and structuring BESS solutions for developers and IPPs is required.

Customer Retention Specialist (Interim) to develop and execute CRM strategies, manage email marketing programs, and analyze data to improve customer retention and lifetime value.

Lead Plenit's product strategy alongside the CEO, owning the roadmap and direction for the company's cloud, marketplace, IT management, and go-to-market divisions. Manage a cross-functional product organization across four divisions, including software engineering, infrastructure, AI, UX, and product management. Possess technical depth in areas such as cloud infrastructure, distributed systems, networking, AI/ML, security, or developer platforms. Have a proven track record leading cross-functional product organizations and shipping products to technical buyers.

Senior Account Executive will drive new business growth within large, strategic accounts in Spain. Responsibilities include managing complex sales cycles, developing relationships with senior stakeholders, and demonstrating business value. Requires 5+ years of SaaS sales experience, a proven track record of exceeding sales targets, and experience selling to organizations with annual revenues exceeding €100 million.

Design and implement advanced pricing solutions using mathematical algorithms, predictive models, and optimization techniques. Translate business challenges into data science use cases and deliver actionable recommendations.

Legal Counsel will oversee the structuring of complex investment vehicles and lead legal due diligence for private market transactions. This role requires 5+ years of experience in wealth and trading, expertise in fund formation, and a strong understanding of financial markets.

Prepare ingredients, cook teppanyaki dishes, manage griddle temperatures, and interact with diners. Must have demonstrable teppanyaki experience and excellent customer service skills.

Provides technical and application support to customers, proposes design solutions, and collaborates with sales teams to identify business opportunities. Supports design-win activities and participates in customer projects throughout the design cycle.

Senior SAP S/4HANA Lead for Financial Accounting & Controlling will own end-to-end SAP FI/CO processes in an automotive supplier environment. Responsibilities include designing and implementing Manufacturing Controlling processes, ensuring compliance with financial accounting requirements, and collaborating with plant managers and accounting teams to optimize finance and manufacturing controlling processes within SAP S/4HANA.