20 publicaciones de empleo destacadas de stack engineer (backend) en barcelona, ct (¡Están contratando!)

Firmware Engineer
Energiot —Bellaterra, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Español
- Informática
- Inglés
STACKIT Developer Experience - Container Registry - Software Engineer (m/f/d)
Schwarz Corporate Solutions —Barcelona, Barcelona provincia
- Jornada completa
- APIs
HR Tech Integration Engineer
Schneider Electric —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Oracle
- DevOps
- Inglés
Senior Devops Engineer
Merlin Digital Partner —Barcelona, Barcelona provincia
- Trabajo híbrido
- DevOps
- AWS
- Scripting
Solicitud rápida
Technical Team Lead, Contract
Xcelirate —Barcelona, Barcelona provincia
- Teletrabajo
- AWS
- JavaScript
- Linux
Solicitud rápida
Senior Software Engineer (Ruby / GOlang)
Workato —Barcelona, Barcelona provincia
- Azure
- Informática
- DevOps
16h
Machine Learning Engineer, Personalization
Dow Jones —Barcelona, Barcelona provincia
- Azure
- Informática
- SQL
- Vacaciones pagadas
- Programa de recomendación
Machine Learning Engineer, Personalization
News Corp —Barcelona, Barcelona provincia
- Azure
- Informática
- SQL
- Vacaciones pagadas
- Programa de recomendación
4d
Senior Site Reliability Engineer - Infrastructure
N26 —Barcelona, Barcelona provincia
- Teletrabajo
- Oficina
- AWS
- Linux
- Teletrabajo opcional
Senior Product Engineer
Rover.com —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- Oficina
- Java
- Abono gimnasio
- Plan de pensiones
Solicitud rápida
Senior II Security Engineer - Application
Preply —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- AWS
- Python
- SDLC
Solicitud rápida
Engineering Manager - Community and Engagement
bsport —Barcelona, Barcelona provincia
- Trabajo híbrido
- Inglés
- Python
- Teletrabajo opcional
VP of Software Engineering
Merlin Digital Partner —Barcelona, Barcelona provincia
- Trabajo híbrido
- DevOps
- AWS
- APIs
Solicitud rápida
Senior Site Reliability Engineer
Adikteev —Barcelona, Barcelona provincia
- Jornada completa
- Trabajo híbrido
- Inglés
- AWS
- Grado
Solicitud rápida
Senior Security Engineer
bsport —Barcelona, Barcelona provincia
- Trabajo híbrido
- Ventas
- AWS
- Python
STACKIT Developer Experience - Container Registry - Software Engineer (m/f/d)
Schwarz Digits KG —Barcelona, Barcelona provincia
- Jornada completa
- APIs
4d
Manager - Software Development
Shipco IT —Barcelona, Barcelona provincia
- Jornada completa
- Informática
- DevOps
- Oficina
Solicitud rápida
Head of Product Engineering
Appodeal —Barcelona, Barcelona provincia
- Informática
- Inglés
- Oficina
Solicitud rápida
1d
CTO & Co-Founder - Agentic AI (LegalTech)
Antai Ventures —Barcelona, Barcelona provincia
- Jornada completa
- DevOps
- Máster
- Inteligencia artificial
DevOps Engineer (m/f/d)
MEDIA MARKT SATURN TH SERVICES BARCELONA, S.A. —Barcelona, Barcelona provincia
- Jornada completa
- Español
- Azure
- DevOps
- Abono gimnasio
Solicitud rápida

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Firmware Engineer

Energiot
Bellaterra, Barcelona provincia

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Detalles del empleo

Contrato indefinido | Jornada completa

Cualificaciones

CI/CD
Español
Informática
Firmware
Git
Inglés
Máster
C++
C
Grado
Scripting
Unity
Cloud
Python

Descripción completa del empleo

Role Description

Energiot is seeking a motivated Firmware Engineer to join our growing product and R&D team in Barcelona. The role focuses on the development of embedded firmware for IoT devices used in electrical grid monitoring and smart energy applications. You will work hands-on with low-power microcontrollers, wireless communication technologies, and real-world sensor systems, contributing directly to production-ready devices deployed in the field.

This position is ideal for engineers with a solid foundation in embedded systems who want to grow in a multidisciplinary environment combining firmware, hardware, and cloud connected IoT platforms.

Key Responsibilities

Firmware Development:

Design, develop, and maintain embedded firmware for IoT devices using C and C++.
Program microcontrollers from Texas Instruments and ESP32.
Manage peripheral drivers (I2C, SPI, ADC, UART, GPIO, timers).
Integrate and manage a wide range of sensors and low-power components.
Develop and maintain wireless communication stacks for IoT devices (LoRaWAN, NB-IoT, BLE).
Implement wired communication protocols such as UART, RS485, and USB.
Work with bootloaders and support firmware updates, including OTA mechanisms.
Write unit tests for embedded firmware using frameworks such as Unity.
Support integration and testing with cloud IoT platforms.
Collaborate closely with hardware, backend, and product teams.

Qualifications

Essential:

Bachelor’s or Master’s degree in Computer Science, Electronic Engineering, Telecommunication Engineering, or a related field.
Minimum 2–3 years of experience in embedded firmware development.
Strong programming skills in C and C++ for microcontrollers.
Experience working with microcontroller peripherals (I2C, SPI, ADC, UART).
Knowledge of wireless communication protocols for IoT and sensor networks (LoRaWAN, NB-IoT, BLE).
Experience with FreeRTOS or similar real-time operating systems.
Familiarity with Git and version control workflows.
Understanding of bootloaders and firmware update mechanisms.
Basic knowledge of cybersecurity concepts applied to embedded systems.
Fluency in Spanish and English.
Proactive, structured, and problem-solving mindset.

Preferred / Nice to Have:

Experience with OTA firmware updates in production devices.
Knowledge of IoT cloud platforms, particularly ThingsBoard.
Basic Python skills for scripting, testing, or tooling.
Experience using API testing tools such as Postman.
Familiarity with Qt / Qt Creator and C++ for building simple user interfaces.
Experience working in low-power or energy-constrained systems.
Exposure to CI/CD pipelines for embedded or IoT projects.

What We Offer

Full-time, permanent contract.
Competitive salary based on experience.
Flexible working hours and partial remote work.
Opportunity to work on real, production-level IoT devices deployed in the energy sector.
High level of ownership and technical responsibility.
Collaborative, engineering-driven culture in a fast-growing startup.
Office located in Barcelona, with a strong focus on innovation and sustainability.

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