Quick Summary
Kelsius is the leading supplier of automation technology for product safety and compliance within 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 optimize costs associated with these activities. Founded in 2003, Kelsius operates in Ireland and the UK and exports products and services to over 50 countries across the globe. Our customers range from large supermarket chains, restaurants & hotels to pharmaceutical manufacturers, healthcare facilities, laboratories, foodservice companies, and vaccination centers.
Kelsius is recruiting for an experienced PHP Developer for a legacy web application to strengthen its R&D team. You will be responsible for enhancing and maintaining various client-facing and internal web-based applications to continue to grow our market base. This is an exciting opportunity if you have an interest in IoT and want to get involved in a rapidly growing industry.
You will work alongside the Product Manager, the R&D team, and the Testing team, taking responsibility for the full development lifecycle of the application. Your ability to understand requirements and convert them into 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.
Our application is built with core PHP (no full-stack frameworks), so a deep and practical understanding of vanilla PHP and custom architecture is essential and includes:
Main Responsibilities
- Design, develop, and maintain features within a long-standing legacy PHP application.
- Analyze, refactor, and extend existing code without introducing regressions.
- Debug complex production issues and take full ownership of resolving them.
- Write and optimize raw SQL queries using MySQL.
- Follow and enforce internal development processes and standards.
The successful candidate will
- Possess significant commercial experience with PHP and MySQL, with a minimum of 5+ years experience.
- Demonstrate strong confidence working in plain PHP fundamentals (comfortable without a framework).
- Exhibit strong debugging skills and problem-solving ability.
- Have a practical understanding of web security principles.
- Show confidence with writing and reviewing raw SQL.
- Possess experience integrating RESTful APIs and third-party services.
- Understand Web Fundamentals.
- Have practical web security knowledge.
- Be familiar with RESTful APIs and integrating third-party services.
- Possess the ability to write clean, maintainable, and testable code.
- Be able to take ownership of work from design through to deployment.
- Demonstrate initiative, be a self-starter, show willingness to learn and contribute.
- Have strong organizational skills and demonstrate good attention to detail.
- Possess good interpersonal skills and be a team player.
- Have some experience using Git (Git Basics).
- Possess the ability to work in a fast-paced development environment and to commit to deadlines.
In addition to the requirements above, applicants with experience with Java and familiarity with jQuery and light front-end JavaScript would be desirable.
This is a remote working role with occasional visits to our head office in Gweedore/Falcarragh, Co. Donegal. Candidates must reside in Ireland and have the right to work in Ireland.
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.
Job Types
Full-time, Permanent
Pay
€50,000.00-€60,000.00 per year
Benefits
- Bike to work scheme
- Company events
- Sick pay
- Work from home
Application Question(s)
- Kelsius is only able to hire individuals who are legally able to work in Ireland &/or the UK. We are not currently looking to sponsor candidates for this role. Are you currently able to work legally and full time in Ireland and/or the UK?
- This position requires fluency in English (reading, writing & speaking). Are you fluent in English?
- This position requires the candidate to live and work full time in Ireland &/or the UK for tax purposes. Are you located in Ireland and/or UK?
- In order for candidates to be considered for this role, we ask that they attach a short cover letter answering the following question (please see below). Have you completed this request, please respond yes or no. 1. Please describe one legacy PHP project you have worked on without frameworks. Include the approx. size and age of the system, your specific responsibilities, and an example of a refactoring or structural improvement you personally implemented.
Experience
- PHP Development: 5 years (required)
Work Location
Remote