Medior PHP Developer

For our continuous development of energy trading and risk management software we are looking for a talented and enthusiastic PHP software developer


Our software is based on web technology, combined with compiled components for specialized calculations. We provide it as a hosted service, as well as installing locally for clients. Our clients are mostly large international companies, in the energy, chemicals or food industry. Our international team consists of 11 analysts/developers, of which 6 mainly program with PHP. Almost all developers work from our Haarlem office.

Tasks include:
- defining new functionality with our team of quantitative analysts and consultants
- turning these requirements into front-end and back-end code using web standards and PHP
- creating code around the product: automating tasks, improving deployment procedures (dev-ops)
- providing technical customer support

Gevraagd wordt

- PHP developer with at least 3 years (medior) or 6 years (senior) experience
- also able to work efficiently with SQL, HTML, jQuery, Javascript
- familiar with frameworks
- very practical attitude: transform functional requirements into robust and user-friendly system
- responsible and hands-on mentality
- good communication skills with colleagues and clients
- ability to manage high level structure as well as writing detailed code
- bachelor or master's degree

Geboden wordt

- competitive remuneration
- a nice international team of colleagues to work with
- possibility to work part-time and/or a day per week at home
- pleasant office in the centre of Haarlem, 5 minutes walk from railway station


KYOS offers specialized advise on trading and risk management in energy markets. Our expert team has years of experience in quantitative modelling and advisory services in commodity markets. Our sophisticated solutions are developed to support decision making, investment proposals and risk calculations. Based on a solid analytical framework.

Nieuwe Gracht 49 in HAARLEM