React Frontend Developer

As a React Frontend Developer you are responsible for building fast, responsive, and intuitive user interfaces that enable seamless customer service interactions. You will work with modern technologies such as React, Redux, Tailwind, and Socket.IO to create dynamic frontend features that update instantly and reliably.

• In this role, you will collaborate closely with backend engineers, product managers, and designers to translate complex workflows into elegant user experiences.
• You will ensure that real-time data streams, customer interactions, and operator tools are visually clear, efficient to use, and optimized for high performance - even under heavy load.
• Your work will directly impact on how customers and support agents communicate in time-critical situations. This includes designing modular UI components, improving frontend performance, ensuring design consistency, and maintaining a high level of usability and visual detail.
• By combining technical expertise with a strong product mindset, you help shape a reliable and delightful user experience for thousands of end users, * You have experience in containerization such as Docker/ Docker Swarm/ Kubernetes or backend technologies such as Kafka, No-SQL Databases, Redis, Linux

Why us?

• We are a company with flat hierarchies and plenty of freedom to make your own decisions and take on your own area of responsibility.
• We offer an appealing and varied job where you can make things happen without bureaucratic obstacles.
• We promote further development/training that is tailored to your needs.
• Flexible working hours and trust-based working hours allow you to organize your working day in an uncomplicated way.
• Hybrid working model with office attendance every Wednesday and Thursday.
• Appreciative interaction and respectful communication in line with our Guiding Principles.
• Regular and constructive feedback meetings that promote your targeted development.
• We also offer you support in difficult life situations (professional or private) through our service provider INSITE.
• Promotion of a diverse, inclusive corporate culture in which all employees have equal opportunities., As a React Frontend Developer you are responsible for building fast, responsive, and intuitive user interfaces that enable seamless customer service interactions. You will work with modern technologies such as React, Redux, Tailwind, and Socket.IO to create dynamic frontend features that update instantly and reliably.

Your main responsibilities will be:

• You collaborate closely with backend engineers, product managers, and designers to translate complex workflows into elegant user experiences.
• You will ensure that real-time data streams, customer interactions, and operator tools are visually clear, efficient to use, and optimized for high performance - even under heavy load.
• Your work directly impacts how customers and support agents communicate in time-critical situations. This includes designing modular UI components, improving frontend performance, ensuring design consistency, and maintaining a high level of usability and visual detail.
• By combining technical expertise with a strong product mindset, you help shape a reliable and delightful user experience for thousands of end users., * We are a company with flat hierarchies and plenty of freedom to make your own decisions and take responsibility for your own area of work.We offer an appealing and varied role where you can make a difference without bureaucratic obstacles.
• We promote further development/training tailored to your needs.
• Flexible working hours
• Hybrid working model with two days in the office (Wednesdays and Thursdays) at Concordia Design in Poznan
• Appreciative interaction and respectful communication in line with our Guiding Principles.
• Regular and constructive feedback meetings that promote your targeted development.
• Promotion of a diverse, inclusive corporate culture in which all employees have equal opportunities.

• You have at least 5 Years of experience as a React Frontend Developer

• You are proficient in working with REST-APIs and JSON Data Structures and React

• You are acquainted with state management experience with Redux / Redux Toolkit and real-time communication using Socket.IO

• You bring strong knowledge in Java Script and CSS/ SCSS and styling with Tailwind CSS

• You are familiar with component-driven development and reusable UI patterns

• You have worked with CI/ CD pipelines and testing (especially GitLab CI)

• You have strong English communication skills (written and spoken), * At least 5 Years of Experience as a React Frontend Developer

• Strong English communication skills (written and spoken)

• Proventrack record of delivering frontend applications used by thousands of end users.

• Strong passion for design details and delivering high-quality user experiences.

• Strong Proficiency in Working with REST-APIs and JSON Data Structures

• Strong proficiency in React (hooks, functional components)

• State management experience with Redux / Redux Toolkit

• Real-time communication using Socket.IO

• Styling with Tailwind CSS and strong Knowledge in Java Script and CSS/ SCSS

• Familiarity with component-driven development and reusable UI patterns

• Experience building real-time or event-driven applications (preferably customer service-related)

• Experience with CI/ CD pipelines and Testing (especially Git Lab CI)

• Experience in Containerization such as Docker/ Docker Swarm/ Kubernetes

• Experience with Backend Technologies such as Kafka, No-SQL Databases, Redis, Linux

DAS TUN WIR, UM DICH GLÜCKLICH ZU MACHEN...

Wir überwachen und verteidigen IT-Netzwerke vor Cyberkriminellen – mit Managed Security Services und Security Awareness.

Du möchtest mit sinnstiftender Arbeit wirklich was bewegen?
Wachse mit uns und unterstütze uns dabei, internationale Kunden vor Cyberangriffen zu schützen.