Embedded Systems Developer – Ireland

Job Description

Kelsius is the leading supplier of automation technology for product safety and compliance to the food services and healthcare industries. Using our world-class wireless temperature monitoring technology, digital HACCP management system and cloud-based data hosting and processing, Kelsius systems improve product safety, ensure regulatory compliance and optimise costs associated with these activities. Founded in 2003, Kelsius has offices in the United Kingdom and Ireland with a network of partners in Europe, Middle East, Australia and the USA that serve its global customer base.

Role Purpose

We are seeking an Embedded Systems Developer to work on our leading CoolCheck product suite, including the Kelsius wireless device and network controller firmware and associated applications, in addition to sensor to cloud solutions based on other technologies. Your development experience will allow you develop new features, in addition to maintaining the current codebase.

You will work in the R&D team alongside the Product Manager and the Testing team and be responsible for the full development life cycle of the device firmware variants. Your capability to understand requirements and to convert them to efficient solutions makes you an ideal self-starter candidate. Your ability to work on multiple projects in a very agile environment will set you apart.

This is a remote working role with quarterly visits to our head office in Falcarragh, Co. Donegal.


  • Particiate in project Software Development life cycle, from requirements gathering, documentation, through to implementation and maintenance of the software.
  • Software issue management.
  • Identify new and upcoming technologies that will help improve CoolCheck.

Essential Criteria 

  • Industry experience in C / C++ development
  • Strong knowledge of C in embedded environments
  • Experience with Git
  • Third level Computing qualification
  • Excellent problem-solving skills and excellent troubleshooting skills
  • Ability to work in a fast-paced development environment and to commit to deadlines
  • Self-starter; good team player with excellent communication skills

Desirable Criteria

  • Good understanding of device hardware
  • Awareness of wireless networking
  • Experience using development environments with limited debugging support
  • Experience of processors with non-linear address spaces (including FAR memory)
  • Experience of 8 bit processors with Harvard Architecture and limited RAM
  • Experience of / hobbyist interest in low-cost embedded computing: Arduino, Raspberry Pi
  • Experience of real time operating systems
  • Experience of IDEs such as MCUXpresso (Eclipse based)
  • Experience of Borland C++ Builder, Embarcadero, or similar IDEs
  • PHP experience

Job Type: Full-time


  • 8 hour shift
  • Monday to Friday

Application question(s):

  • Do you have industry experience in C/ C++ development?
  • Do you have a computing qualification?


  • Embedded software: 2 years (preferred)

Work authorisation:

  • Ireland (required)

Work Location: Remote

Application deadline: 27/06/2024

Click here to apply for this role.

Accounts Administrator – Donegal

Accounts Administrative

Kelsius manufactures, distributes and maintains a system that wirelessly and automatically monitors the temperature and safety of all food products, both hot and cold, as well as medicines, blood samples and other temperature-sensitive pharmaceutical material.

Due to continued growth, Kelsius is recruiting for the role of Accounts Administrator. This is an exciting opportunity to join the Finance function of the business in a role reporting to the Finance Manager.

Key responsibilities:

  • Assist in the processing of invoicing, both sales ledger and purchase ledger
  • Credit Control – oversee collections on allocated debtor’s ledger, resolving customer invoice queries in a timely manner and meet collections targets
  • Bank and credit card reconciliations
  • Supporting the finance team producing month-end reporting
  • Maintaining of online and paper finance department filing systems
  • Other duties as may be deemed suitable

Skills & experience required:

  • Knowledge and understanding of Accounting Software
  • Relevant qualification or at least 1-year relevant experience
  • Strong attention to detail skills
  • Positive attitude with strong written and verbal communication skills
  • Proficient skills in Microsoft Excel and Word
  • Ability to work on own initiative and as part of a team

Job requirements:

This is a full-time position based in our office in Falcarragh, Co. Donegal.

At Kelsius, we are an equal opportunity employer. We attract and retain the best qualified individuals available, without regard to race/ethnicity, religion, gender, sexual orientation, age or disability. Our mission is to make the world safer for consumers of food and medicine.


Job Types: Full-time, Permanent

Click here to apply for this role.