- - Very good knowledge and professional experience in PHP (preferably > PHP 7.2) - Profound experience in developing and enhancing software architectures - No need to be any good in frontend design or even HTML, CSS, JS - Ability to adopt to existing conventions in a complex architecture - PHPUnit, MongoDB and MySQL mean something to you - Systematic, structured, team-oriented and independent working style - Reliability and thoroughness - Good communication skills with team members and (sometimes) customers - Fluent in English, German language skills at least at A2 / B1, other languages such as Spanish welcome - You are European or already hold an EU residency permit (approx. for at least 1 year prior your application) Responsibilities: - As a backend developer you will work on the scalability of our aggregation framework, the necessary configurations and the API to our frontend. We believe in the power of the web: All our tools for analysing and visualising the data run in the browser. You will work in close and continuous exchange with the frontend developers, product owners and testers so as to ensure a fluent process. There are no artificial boundaries between departments and you are very welcome to bring in your opinion and ideas. Technologies: - PHP - MongoDB - MySQL - Git - Linux - System Engineer - RabbitMQ More: We would like to add a PHP Developer to our team of excellent and innovation-driven software developers Did you ever want to change The World for the better but did not know where to start? Then join us How and where: Full time, permanent position starting right away, in Berlin Charlottenburg, right beside the S- and U-Bahn station, no traffic noise, beautiful terrace, motivated team, About deZem: Energy efficiency is our mission. With our team of 20 dedicated colleagues we develop and market innovative systems for Energy Controlling (analysis software, data loggers, sensors etc.). These systems help our customers in creating transparency, in efficiently managing energy consumption and in sustainably reducing their running costs for energy and maintenance. We also use our software for monitoring and controlling the performance of all our IT system components. Besides, we produce over 100 kg of honey every year with our 'office beehive' which, of course, is extensively metered. We offer: - Exciting product with state-of-the-art technologies - Collaboration in a highly-skilled, supportive, international team - Agile software development, structured processes - Innovation days, technical improvement weeks and team events - High degree of responsibility - Relaxed working environment, flat hierarchies - Individual organisation of working hours around core time - Support in professional and personal development - Bees, aquaponics & free lunch on the terrace Are you interested and does your profile fit? Then please send us the following documents to jobs.itdezem.de: • Letter of Motivation/Cover Letter • CV • Proof of expertise (e.g. with work experience, additional courses, GitHub projects, …) We look forward to your application