Senior Fullstack Developer (Typescript, React, Javascript)

JavaScript

Senior Fullstack Developer (Typescript, React, Javascript)

JavaScript
Zwierzyniecka 3, Poznań

VIER

Full-time
B2B
Senior
Hybrid

Job description


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 


Your profile:


  • 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)


NICE-TO-HAVE


  • You have experience in containerization such as Docker/ Docker Swarm/ Kubernetes or backend technologies such as Kafka, No-SQL Databases, Redis, Linux


This is what you can expect as a part of VIER:


  • 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.

  • We offer continuous further development/training - tailored to your needs!

  • Flexible working hours contribute to your work-life balance.

  • We work in a hybrid working model (Wednesdays and Thursdays are office days).

  • We have a team coordinator onsite in Poland.


*gender neutral: It doesn't matter to us whether you are female, male, diverse... where you come from, what color your skin is, or what you believe in. We focus on mutual respect and appreciation, as well as fun and motivation at work. Unleash your personality—with us, you as a person are the center of attention.


Sounds like a great match? Then apply to us! We look forward to receiving your application.

We would like to see you at the office in Poznań!


Tech stack

    English

    C1

    TypeScript

    advanced

    React

    advanced

    JavaScript

    advanced

    CI/CD

    regular

    Docker

    junior

    Kafka

    junior

    DevOps

    nice to have

    NodeJS

    nice to have

    MaterialUI

    nice to have

    React Native

    nice to have

Office location

Published: 29.12.2025

Senior Fullstack Developer (Typescript, React, Javascript)

Summary of the offer

Senior Fullstack Developer (Typescript, React, Javascript)

Zwierzyniecka 3, Poznań
VIER
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