Quick Summary
Kelsius is a leading supplier of automation technology focused on product safety and compliance within the food services and healthcare industries. We utilize world-class wireless temperature monitoring, digital HACCP Management systems, and cloud-based data hosting to improve product safety, ensure regulatory compliance, and optimize costs. Established in 2003, Kelsius operates across Ireland and the UK, exporting products and services globally to over 50 countries, serving major supermarket chains, restaurants, hotels, pharmaceutical manufacturers, healthcare facilities, laboratories, and vaccination centres.
We are seeking a Junior to Mid PHP Developer to join our R&D team, focusing on enhancing and maintaining a critical legacy web application. This is an exciting opportunity for candidates interested in IoT and rapid industry growth. You will manage the full development life cycle for client-facing and internal web applications, working closely with the Product Manager, R&D team, and Testing team.
The ideal candidate is a self-starter with strong organizational skills, capable of translating requirements into efficient solutions and thriving in a highly agile environment. A strong understanding of vanilla PHP and custom architecture is essential, as our application is built with core PHP (without full-stack frameworks).
Main Responsibilities:
- Develop new software features and maintain existing software, including debugging and fixing issues within the existing PHP codebase.
- Safely implement small to medium changes in legacy code.
- Write and maintain raw SQL queries.
- Implement minor JavaScript for simple UI behaviour.
Required Skills & Experience:
- 1–5 years of experience with PHP and MySQL.
- Strong plain PHP fundamentals (comfort working without a framework).
- Strong debugging skills.
- Solid understanding of Web Fundamentals and practical web security knowledge.
- Familiarity with RESTful APIs and integrating third-party services.
- Ability to write clean, maintainable, and testable code.
- Demonstrated initiative, self-starter mentality, and willingness to learn.
- Strong organizational skills and attention to detail.
- Good interpersonal skills and ability to be a team player.
- Some experience using Git (Git Basics).
- Ability to work in a fast-paced development environment and commit to deadlines.
Location & Compensation:
This is a remote working role. Candidates must reside in Ireland and have the legal right to work in Ireland. Occasional visits to our head office in Gweedore/Falcarragh, Co. Donegal are required.
Job Type: Full-time, Permanent
Pay: €35,000.00–€40,000.00 per year
Benefits: Bike to work scheme, Company events, Sick pay, Work from home.