We are Merlin Digital Partner ! A leading IT and
Digital headhunting company who stands out from the crowd, boasting
over a decade of experience. We've successfully collaborated and
played a pivotal role in the growth of industry heavyweights such
as Wallapop, Glovo, Banc Sabadell, and Duracell, among others. Our
emphasis lies in people-centric approaches and optimizing the
selection processes . Our mission is to revolutionize companies by
seamlessly integrating top-tier talent . What sets us apart is our
in-depth understanding of each partner (being their best
influencer!), addressing not only their needs but also capturing
their essence. Our partner is a fast-growing HealthTech company
developing connected technologies at the intersection of hardware,
embedded systems, IoT, AI and digital health . Their technology
transforms everyday environments into intelligent health platforms,
enabling seamless and continuous health monitoring. We are
currently looking for a Senior Embedded Systems Engineer to join
their Engineering team and help build the embedded technologies
powering the next generation of connected health products. Mission:
As a Senior Embedded Systems Engineer , your mission will be to
develop and evolve the embedded software, device connectivity and
system architecture behind the company's connected technologies.
This is not a traditional embedded engineering role. While your
core expertise will be embedded software and connected devices, you
will also have the opportunity to contribute to backend services,
cloud infrastructure, internal tools and end-to-end system
architecture . You will work closely with Product, Hardware,
Backend, AI and Data teams , taking ownership of solutions from
concept to production and helping build a technology platform where
hardware, software, cloud and AI work seamlessly together. The
Role: You will be responsible for: Developing embedded software for
connected devices , ensuring reliability, performance and
scalability. Designing and implementing communication between
hardware, embedded systems,



cloud services and applications .
Building backend services, REST APIs and internal engineering tools
, primarily using Python . Contributing to software and system
architecture decisions across embedded, backend and cloud
environments. Working closely with Product and multidisciplinary
engineering teams to transform product ideas into scalable
technical solutions . Taking end-to-end ownership of features ,
from initial design and implementation through deployment and
production. Troubleshooting complex technical issues across
firmware, backend services, connectivity and cloud infrastructure .
Improving engineering practices, development processes and overall
code quality . Writing clean, maintainable and well-tested code
following strong software engineering practices. Providing
technical leadership and mentoring to other engineers. Helping
shape the engineering foundations and technical standards of the
platform as the company scales. What we need: 5+ years of
professional software engineering experience , with significant
experience working on embedded systems. More extensive senior-level
experience will be highly valued. Strong experience developing
embedded software using C/C++ or similar languages . Excellent
development skills in Python . Solid experience developing software
for Linux-based embedded systems . Experience working with Linux
development environments and Bash scripting . Familiarity with Qt5
for embedded or desktop applications. Experience with Yocto or
similar embedded Linux build systems . Strong knowledge of
communication protocols such as BLE, UART, SPI, I²C, MQTT, TCP/IP
and HTTP/REST . Experience designing and developing REST APIs .




Experience working with Docker, containers and CI/CD pipelines .
Solid knowledge of Git and collaborative development workflows .
Strong understanding of software engineering best practices ,
including testing, code reviews and maintainable software design.
Strong software architecture and problem-solving skills . Ability
and interest in working across different layers of the technology
stack, from embedded software and hardware communication to backend
and cloud. Professional English level . Disponibilidad para acudir
a oficinas 3 días a la semana. Nice to Have Experience with cloud
platforms such as GCP, Hetzner or similar . Previous experience in
startups, scale-ups or fast-growing technology companies .
Experience working on IoT or connected-device products . Experience
with AI-enabled products or data-driven applications . Experience
designing APIs and distributed systems . Ability to quickly learn
new technologies and comfortably move across different layers of
the stack. A product-oriented mindset and experience taking
technical solutions from concept to production . What we offer:
Join a fast-growing HealthTech company building a new generation of
intelligent, connected health technologies. Work at the
intersection of embedded systems, hardware, IoT, cloud, AI and
digital health . Build technologies powering products already used
by leading sports organizations and enterprise customers worldwide
. Take ownership of high-impact projects , from embedded software
development through system integration and production. Collaborate
with a talented multidisciplinary team across Hardware, Backend,
AI, Data and Product . Have a visible impact on technical and
architectural decisions as the platform and engineering
organization continue to evolve. Work in a fast-paced environment
with a high level of autonomy and ownership . Strong opportunities
for professional growth and technical leadership as the company
scales internationally. Competitive compensation based on
experience.

📌 Embedded System Engineer (Cataluña)
🏢 Merlin Digital Partner
📍 Cataluña