Junior Engineer (Mechatronics or Electrical and Electronics)

Company Overview:

CHAJI is a full-stack charging and energy solutions company, specialising in infrastructure and management systems tailored for Africa’s electric mobility ecosystem. We design, assemble, install, and maintain bespoke energy and charging solutions, combining deep engineering expertise with an understanding of the continent’s unique energy challenges.

Role:

We are looking for a motivated and detail-oriented Junior Engineer to assist in the design, testing, and troubleshooting of firmware and electronic components for CHAJI’s energy and e-mobility products. The successful candidate will work closely with senior engineers on research, development, and prototyping of embedded systems ,gaining hands-on experience across circuit design, firmware development, and product deployment.

1. Design, test, and troubleshoot firmware and electronic components for CHAJI’s products.
   
2. Collaborate with senior engineers on research, development, and prototyping activities.
   
3. Work on embedded systems projects, focusing on circuit design, PCB development, and firmware implementation.
   
4. Create and maintain technical documentation for designs, testing procedures, and engineering processes.
   
5. Support product installations and field deployments, providing technical expertise and troubleshooting on the ground.
   

Requirements

Qualifications:

1. Bachelor’s degree in Mechatronics, Electrical and Electronics Engineering, or a closely related field.
   
2. 1–2 years of hands-on experience in embedded system design, PCB development, and/or firmware engineering.
   
3. Proficiency in embedded programming (C/C++, Python) and familiarity with microcontroller platforms such as ESP-IDF, Microchip Studio, and STM32Cube.
   
4. Familiarity with CAD/CAM software (e.g. SolidWorks, Fusion 360, or equivalent) and experience with or exposure to additive manufacturing technologies.
   
5. Strong problem-solving skills, attention to detail, and the ability to troubleshoot hardware and software issues effectively.
   
6. Eagerness to learn and adapt in a fast-paced, dynamic environment.
   

Skills Summary:

1. Solid foundation in electrical circuit design, PCB development, and embedded system programming.
   
2. Strong foundation in microcontroller-based systems, peripheral interfacing, and communication protocols.
   
3. Hands-on experience with firmware development workflows and debugging tools.
   
4. Working knowledge of CAD/CAM tools and hands-on experience with additive manufacturing processes (3D printing, rapid prototyping).
   
5. Effective collaboration, organisational, and documentation skills.
   

Benefits

What’s on Offer:

1. Competitive salary and performance-based bonuses.
   
2. A role with significant breadth of learning across embedded systems, power electronics, and product engineering.
   
3. Hands-on experience with cutting-edge technologies and innovative product development in e-mobility.
   
4. A dynamic and supportive work environment with the opportunity to make a positive impact on sustainable mobility in Africa.
   
5. Access to CHAJI’s internal training programmes and development resources.
   

We also welcome students on industrial attachment from accredited universities and colleges. To apply, send the following to [email protected]:

1. University introduction/attachment letter
   

2. CV and cover letter
   

3. Copy of national ID
   

We'll get back to you within 5 working days. Please note we accept attachment students on a rolling basis subject to available capacity.