Embedded Software Engineer

Assignment Description

An international organization is seeking an Embedded Software Engineer to develop and maintain software solutions for both internal and external applications. This role is ideal for someone who enjoys working close to hardware, optimizing performance, and building robust systems that operate under strict resource constraints.

The assignment is a consulting engagement where you will be employed by Zcelero AB and work on-site with one of Zcelero’s clients in Malmö.

You will be working with BLE modules and modern radio communication technologies, contributing to the development of firmware that is both high-performing and energy-efficient. The role involves troubleshooting real-time systems with limited visibility and requires a strong analytical mindset and hands-on debugging skills.

You will collaborate closely with engineers and stakeholders across the organization, contributing to system design, development workflows, and continuous improvements in tooling and infrastructure.

Key Responsibilities

• Develop and maintain BLE modules used by other developers

• Work with modern radio communication technologies

• Design firmware optimized for performance and ultra-low power consumption

• Troubleshoot real-time systems using development boards and lab equipment

• Build and maintain complex build, test, and validation environments

• Collaborate with stakeholders across teams

• Deliver software solutions at a global scale

• Produce clear documentation and use development tools effectively

Requirements (Must-have)

• Expert-level proficiency in C

• Strong experience with C++ or other system-level programming languages (RTOS and/or bare-metal)

• Solid understanding of Bluetooth technologies (BT/Thread, BLE/GATT), including stack implementation

• Experience developing software for ultra-low power systems

• Strong knowledge of memory management and performance optimization in embedded systems

• Experience debugging using wireless sniffers and protocol analyzers

• Strong analytical, problem-solving, and communication skills

• A holistic, full-stack mindset

Nice to Have

• Experience with Swift or Objective-C

• Knowledge of cryptography and security in embedded systems

• Experience with build systems and scripting (Make, CMake, Python)

• Strong collaboration and teamwork skills

We look forward to receiving your application!