Senior React Developer

JavaScript

Uniwersytecka 13, Katowice

Sopra Steria

12 000 - 17 000PLN

Gross per month - Permanent

Full-time

Permanent

Senior

Remote

Tech stack

English

B2

React

advanced

TypeScript

advanced

MySQL

advanced

Git

advanced

Confluence

regular

Flask

nice to have

Python

nice to have

AWS

nice to have

Job description

We are looking for a Senior React Developer to join our team on a project for a client in aerospace business sector. You will work in a stable, industrial environment on an application that manages aircraft's delivery acceptation by the airlines.

Note that we can only offer cooperation to people who are located in Poland and have EU citizenship.

Mission/activities:

• Development activities following all the guidelines in place on the project

• Technical support to the rest of the team

• Estimation of features & user stories to develop

• Participation to SAFE ceremonies with the customer

Tech stack:

• ReactJS 17, Typescript

• Python 3.11, GraphQL

• MySQL, DynamoDB, SQL Alchemy

• Flask

• Confluence

• Git, Github

• SAFE

• Agility

Must have requirements:

• Proven experience of min. 4-5 years of React development

• ReactJS 17, Typescript

• MySQL, DynamoDB, SQL Alchemy

• Flask

• Confluence

• Git

• English – B2/C1

• Very good communication skills

• Ability to go on occasional business trips abroad and to our office in Katowice

Nice to have requirements:

• AWS knowledge

• Python knowledge

• Previous experience in aeronautics sector

What we offer:

• BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, language courses, referral bonus, copyrights, life insurance

• DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company), conferences, Tech Lunches

The recruitment process in our company consists of two stages:

• a short phone call with a recruiter (30 min max)

• one-hour long interview on Teams (with both general and technical questions)

If you find this offer interesting and you would like to learn more about the project, send us your up-dated CV in English containing the clause:

„I agree to the processing by Sopra Steria Polska Sp. z o.o. my personal data contained in my CV for the recruitment process and further recruitment processes.”

Published: 13.08.2025

Meet the company

Sopra Steria

Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring around 55,000 employees. Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. In 2025 we've opened our second office in Gdańsk. Currently, our team consists of almost 1,000 specialists who share their expertise working in one of our two departments: Digital Platform Services or Application Services.

Company profile

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