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Senior Software Developer – WebAssembly / Qt/QML / SQL
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Offer summary

(Summary generated by AI based on the full job description)

The project involves developing an advanced application based on WebAssembly, Qt/QML, and SQL. Key responsibilities include application development, designing new functionalities, performance optimization, and preparing the system for real-time data processing and buffering. Strong practical experience with WebAssembly and application architecture design is required. Benefits include private medical care and support for sports activities.

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Senior Software Developer – WebAssembly / Qt/QML / SQL

Company: SQUARE ONE RESOURCES sp. z o.o.

from: 24 August 2026
to: 23 September 2026
150 - 170 złnet (+ VAT)/ hr.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

WebAssembly
Vue.js

Our requirements

  • Strong practical experience with WebAssembly – mandatory.
  • Senior-level commercial software development experience.
  • Strong knowledge of Qt/QML.
  • Solid experience with SQL and relational databases.
  • Experience designing application architecture.
  • Ability to design solutions with future development and scalability in mind.
  • Strong problem-solving and independent decision-making skills.

Optional

  • Experience with real-time systems.
  • Experience with caching and data buffering.
  • Knowledge of application monitoring and self-monitoring mechanisms.
  • Experience with performance optimization.
  • Experience designing scalable and high-performance applications.

Your responsibilities

  • Develop and extend an advanced application using WebAssembly, Qt/QML, and SQL.
  • Design and implement new functionalities.
  • Contribute to the overall application architecture.
  • Make technical decisions with future scalability and maintainability in mind.
  • Optimize application performance and resource usage.
  • Work with SQL databases and data processing mechanisms.
  • Prepare the system for future real-time data processing, buffering, caching, and monitoring capabilities.
  • Collaborate with other developers and stakeholders on technical design and implementation.
  • Take ownership of solutions from the architectural concept through to implementation.
Company

About the project

Team working on an advanced application built around WebAssembly, Qt/QML, and SQL.
Application will be continuously expanded with new capabilities including self-monitoring, real-time data buffering, and efficient processing of real-time data.

Benefits

  • sharing the costs of sports activities
  • private medical care

SQUARE ONE RESOURCES sp. z o.o.

At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.

This is how we work

Senior Software Developer – WebAssembly / Qt/QML / SQL
150–170 zł / hr. (B2B)
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Masovian

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
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