frontend developer English-speaking jobs in León

This is a great opportunity to join our service operations team and support both employees and clients at the BAA Training office in Barcelona. BAA Training operates internationally, with offices in Vilnius (Lithuania), Barcelona and Lleida (Spain), Paris (France), Ho Chi Minh City (Vietnam) and Delhi and Bangalore (India). Aviation is a fast-paced and truly multicultural environment.

Position: Chief Operating Officer / SVP Operations You are a senior executive responsible for leading and managing the company's operational sites to ensure efficiency, safety, quality, and productivity across all locations. Reporting to the Chief Executive Officer (CEO), the COO will provide strategic and hands-on leadership to optimize site performance, drive operational excellence.

***This is initially a Fixed Term Contract until the end of June 2026 - Hybrid from a new site in Zaragoza*** Responsibilities Lead cross-functional teams of engineers and machine learning practitioners to deliver impactful LLM and AI solutions for top-tier industry clients.

Field Application Specialist Invenia Group Spain (Remote) Do you want to work for an innovative company at the forefront of clinical genomics, dedicated to improving patient care through cutting-edge AI-driven solutions?

Job Title: English Instructor (Part-time, 2-18 teaching hours a week) Company Name: Kids&Us Location: Poblenou, Sant Martí, Sant Andreu Are you passionate about teaching English in a fun, dynamic way while balancing other interests like studying, music, acting, or fitness? If your answer is yes, this job is for you!

Responsible for the Sales of TBEA Solar Inverter and Power Station Solutions(both central and string inverter), BESS solution, Statcom, Micro-grid, SCADA and TB-eCloud services in utility scale solar projects. 2.

We work on the most challenging problems, with thousands of variables impacting the supply chain — and we're looking for talented people who want to help. You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles.

WHO WE ARE At SAME Solutions we are on a Mission to save the world from boring security training. We produce interactive security eLearning and video content globally and customize the same to large multinational clients.

Fabrication HSE Advisor Contract Assignment On-site (Fabrication / Industrial Construction Environment) About the Client The client is a global operator delivering large-scale fabrication and industrial construction projects within the energy and infrastructure sector.

We are seeking a highly organized, proactive, and detail-oriented Real Estate Assistant or PA to join our team in Mallorca. The ideal candidate will be responsible for providing administrative and operational support, ensuring every task and detail is handled with precision and efficiency. A personal car is required for travel within the island.

Project Manager (Telecommunications) Summary Location: Barcelona Day Rate: Negotiable Duration: 12 Months Availability: ASAP About the Client My client is the air transport industry's IT provider, delivering solutions for airlines, airports, aircraft and governments. Their technology powers more seamless, safe and sustainable air travel.

Looking for a freelance opportunity where you can make an impact on technology from the comfort of your home? If you are dynamic, tech-savvy, and always online to learn more, this part-time flexible project is the perfect fit for you!

Location: Madrid Spain Experience: 15 - 18 years We are seeking an experienced Presales and Solution Architect to join our team in Tata Communication Transformation Services. The successful candidate will be responsible for designing and proposing solutions for Transport and IP MPLS technology.

This is a ~12-month assignment with an urgent start, ideal for someone who wants hands-on responsibility on site — not just sitting in front of spreadsheets pretending everything is fine.

Our client, a leading global retail company, is looking for a Lease Manager (sales market) responsible for the management of the store portfolio in the Iberian region (Spain and Portugal). Key Responsibilities: Enabling long-term growth by finding top locations for new stores. Obtaining the best possible deals by negotiating lease contracts with property owners.

Design the future of technology with us! At Worldgrid, we are looking for an ABAP programmer with a passion for creating innovative and scalable solutions in cutting-edge environments. Do you have experience working with SAP as an ABAP developer ? Are you excited about working with advanced technologies and collaborating with multidisciplinary teams? This is your opportunity!

What We Will Accomplish Together At Astek, we're looking for a Backend Java Developer to collaborate with our global partner, a leader on aereo in the german sector. Your Mission Migrate backend applications to a new secure network zone. Design, develop, and maintain Java-based microservices. Configure and work with application servers, containers, and cloud infrastructure.

About us We are a global provider of IT Resources, IT Managed Services and flexible, ad-hoc IT Resource and Project Support. Founded in 1992, we have a proven track record of delivering business solutions to global organisations and Fortune 500 companies in over 40 countries. Over the last 33 years, we have delivered millions of pounds in cost savings to our clients.

We are currently looking for a Marketing & Social Media Intern (Part-Time) to join our team. This role is ideal for a dynamic, results-driven individual with a passion for digital marketing, influencer engagement, and social media strategy. Key Responsibilities:● Actively manage and grow our presence on Instagram and TikTok, staying ahead of trends, KPIs, and performance analytics.

(INTERN) Project Engineer – Development & Asset Management Velto Renewables (Velto), a subsidiary of CDPQ (Caisse de Dépôt et Placement de Québec), is looking for a Project Engineer (intern) to join its team in Madrid, and to assist in the Asset Management Team in Madrid. Velto Renewables is a renewable energy independent power producer with a long-term asset ownership strategy.