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Descripción de la vacante

Firmware BLE Developer en España

Mercadona

  • Tiempo completoJornada semanal estándar

€40,589 - €61,617 a year

España

This job was automatically translated to English.

Pay & benefits

What you'll get

✨ Unique and high-impact projects.

👥 An IT team of more than 1,200 professionals.

🛠️ High-level technology stack.

📈 Career plan with annual salary reviews.

⏰ Flexible working hours.

🎓 Ongoing training and professional growth.

🔒 Stability and team culture.

🏥 In-house medical service.

🏢 Innovative and collaborative offices.

💰 Competitive salary based on your experience.

Requirements

What we're looking for

  • Embedded systems with extensive experience in Nordic Semiconductor SoCs (nRF52, nRF53, nRF54) and in development on Zephyr Project RTOS.
  • Implementation of latest-generation Bluetooth Low Energy (BLE) solutions (5.4, PAWR...).

Nice to have

  • Certifications in Bluetooth Developer Program.
  • Specialized courses in Nordic and Zephyr.
  • Technical leadership capacity in firmware teams.
  • Clear and didactic documentation skills for other engineers.
  • Innovation mindset and complex problem-solving.

Education & certifications

Degree in Computer Engineering / Telecommunications / Electronics.

The role

As a BLE Firmware Developer, you will design, develop, and integrate IoT devices in our Offices, Stores, and Warehouses.

What you'll do

💻You will design and develop low-power BLE Firmware for IoT devices in energy-critical environments.

🗄️Optimization and testing.

✅Implementation of wireless firmware updates.

📚You will maintain alternatives and Plan Bs for your solutions, ensuring continuity in the face of unforeseen events.

👥Collaborating with multidisciplinary teams to integrate cloud (GCP) solutions and gateways.

How you'll work

Full-time

Gross annual compensation based on your experience

Knowledge

What we ask of you

Required in...

Valuable in..


Experience

Minimum 1 year developing with BLE Firmware.

First of all, we need you to...

  • You are passionate about technology with business logic

  • You are not complacent and you seek continuous improvement

  • Willingness to face new technological challenges

About Mercadona

Mercadona is Spain's largest supermarket chain and a leading food retailer in the Iberian Peninsula. Founded in 1977 in Valencia, it operates over 1,600 stores across Spain and Portugal, with a workforce exceeding 90,000 employees. The company is known for its vertically integrated supply chain, private-label products, and a strong focus on operational efficiency and customer service.

Mercadona's headquarters are in Valencia, and it has a significant presence throughout Spain, with stores, logistics centers, and offices in nearly every region. The company is deeply rooted in Spanish culture and is a major employer, offering stable, long-term contracts and internal promotion opportunities. For international professionals, Mercadona provides a unique opportunity to work in a large, stable Spanish company, though most roles require Spanish language proficiency and are focused on retail operations, logistics, and technical maintenance.

Industry
Retail
Founded
1977
Employees
50,000–100,000
Headquarters
Valencia, Spain
In Spain
Valencia, Madrid, Barcelona and 19 more

Good to know if you are moving

  • Mercadona is the largest supermarket chain in Spain, with over 1,600 stores, making it a stable and prominent employer.
  • The company is headquartered in Valencia, Spain, and has a strong presence across all Spanish regions.
  • Mercadona offers permanent contracts and internal promotion opportunities, which are attractive for long-term career development.
  • Most roles require Spanish language proficiency, as they involve direct customer service or operational tasks.
  • The company is known for its 'Total Quality' model, which emphasizes employee training and customer satisfaction.
All open roles at Mercadona
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