Senior Javascript Developer

JavaScript

Uniwersytecka 13, Katowice+1 Location

Sopra Steria

12 000 - 16 000PLN

Gross per month - Permanent

Full-time

Permanent

Senior

Remote

Tech stack

English

B2

Linux

regular

JavaScript

regular

C++

junior

Job description

We are looking for Senior Full Stack Developer to join Sopra Steria Apps Services team for a client in the aerospace sector. The goal of the project is to create a comprehensive usable bidding platform for crew members along with fixing defects as well as maintaining an application responsible for scheduling work time for all the crew members of the airline.

Mission/tasks:

• bug fixing

• code review

• refinement (impact analysis)

• testing

• maintenance

• implementing new feature

• creating unit tests

Tech stack:

• Backend: C++ (99, 11, 14, 17), Pearl, Bash

• Frontend: JavaScript, HTML

• Databases: MySQL 5.7

• Frameworks: Angular JS

• Knowledge repository: Git Lab

• Version control systems: GIT

• Unit tests frameworks: CPPUnit, GMock, GTest

Must-have requirements:

• At least Bachelor’s Degree in relevant field

• Experience with JavaScript, CSS and HTML

• Linux

• Docker

• English level: B2

• Being open to occassional business trips and visits in our office in Katowice

Nice to have requirements:

• AngularJS

• C++

• CI/CD

• DB (MySQL / MariaDB)

• GMock

• Python

Location: Katowice or Gdańsk

Working hours: business hours

What we offer:

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

DEVELOPMENT OPPORTUNITIES (UoP): certifications (paid by the company) plus bonus for successful passing, conferences, Tech Lunches

The recruitment process for this position consist of two stages:

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

• 1h 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: 09.08.2025

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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