Senior Fullstack Developer PHP (m/f/d) freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 50 creative experts from various fields.

At freshcells, authenticity, individual talent development, and open communication are at the core of everything we do. We rely on respect, trust, and responsibility. As an innovation-driven company, we invest in new ideas. We know that the best results come from teamwork. We make mistakes – but we learn from them. We are open-minded and bold when it comes to exploring new paths. Our DNA is centered around creating sustainable solutions with a strong commitment to excellence. We thoroughly analyze our projects in advance. That’s why we deliver what we promise. Our consulting is honest and customer-oriented.

Your Responsibilities

· Development of modern frontend applications based on ReactJS, Next.js and TypeScript

· Development of APIs based on GraphQL

· Development of modern backend applications based on Node.js and PHP Symfony

· Design and implementation of new features for sophisticated software solutions in cooperation with project management, design, and development departments

· Writing and maintaining our automated test suites

· Participation in continuous improvement processes

Your Qualifications

· Very good knowledge of Node.js

· Very good knowledge of modern PHP (v8 and above)

· Very good knowledge of modern JavaScript (ES6 and above) and/or TypeScript

· Very good knowledge of Next.js

· Extensive knowledge of frontend frameworks and libraries such as ReactJS

· Good knowledge of PHP frameworks and libraries such as Symfony and/or Laravel

· SQL experience with relational databases

· Good understanding of established and evolving Web APIs

· Competences in consuming and creating web services based on REST and especially GraphQL

· Know-how in performance optimization

· Basic knowledge of HTML and CSS is helpful

· Experience with agile development in a team

· Hands-on experience with automated software testing

· Basic knowledge in API security

· Fluent in English

Nice to have

· Experience with containerization technologies such as Docker and container orchestration tools like, i.a., Kubernetes, OpenShift, or Docker Swarm

· Knowledge of designing and adapting software according to the twelve-factor methodology

· Knowledge of continuous integration via tools like bitbucket or Jenkins

· Experience with Object-relational mapping, e.g. using Doctrine in PHP

· Experience with headless CMS such as Strapi

· Experience with PostgreSQL

· Experience with Apollo Federation

Company: https://www.linkedin.com/company/freshcells-systems-engineering-gmbh/

Location of the candidate: Remote (Europe / Asia) Rate: €30-40/hour

This is a long term position

We are hiring on behalf of FreshCells, a growing software company of ~60 employees, delivering custom digital solutions for international clients.

FreshCells focuses primarily on the travel industry (~75%), building booking platforms and related products. Additional projects span automotive, health, and energy sectors.

The contract will be signed with our partner Brain Source International with their offices in London or Ukraine (not directly with FreshCells).

Role Overview

· 60% Frontend (React)

· 40% Backend (Node.js)

· Work on modern web applications, primarily in the travel/booking domain

· Some parts of the system are built in PHP (not a daily focus)

Interview Process

1. Technical interview (~1.5 hours)

2. Technical test

3. Offer

Trial job - Internal