Senior Software Developer – WebAssembly Qt/QML SQL

Square One Resources REMOTE WARSAW 2026-08-24

  • 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

We are looking for a Senior Software Developer to join a team working on an advanced application built around WebAssembly, Qt/QML, and SQL.

The key requirement for this role is hands-on experience with WebAssembly. We are looking for someone who not only has strong development skills but can also contribute to the architecture and long-term evolution of the solution.

The application will be continuously expanded with new capabilities. Future development plans include self-monitoring, real-time data buffering, and efficient processing of real-time data, so experience designing scalable and high-performance systems will be highly valued.

,[Developing modern, reliable desktop applications using C++ and Qt, Designing and implementing new features and improving existing functionality, Working with QML where applicable, Contributing to software architecture and technical decisions, Maintaining and improving a large existing codebase, Writing clean, maintainable, and well-tested code, Participating in code reviews and continuous integration processes, Identifying opportunities to improve code quality, performance, and development processes, Working independently, planning tasks, and taking ownership of deliverables, Collaborating with an international team in an Agile environment] Requirements: WebAssembly, Qt, QML, SQL Additionally: Sport subscription, Private healthcare.