Senior Desktop Application Developer (Accessibility Product House)

Sorry, this job was removed at 12:17 p.m. (CST) on Monday, Jun 02, 2025
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Hiring Remotely in Warsaw, Warszawa, Masovian
In-Office or Remote
Software
The Role
Company Description

By joining our team of highly skilled and innovative engineers, you’ll have the opportunity to:

  • Build high-performance desktop applications using modern technologies
  • Work in a collaborative and engineering-driven environment
  • Contribute to impactful projects with real-world applications
  • Stay at the forefront of cross-platform development trends

If you're passionate about building top-tier desktop apps using cutting-edge technologies, we’d love to hear from you! 

CUSTOMER

Our client is a rapidly growing technology leader in digital accessibility software that helps enterprises make their web and mobile offerings accessible to everyone. Its AI-enabled products save developer time and reduce risk via proprietary discovery and analysis algorithms that integrate directly into software development pipelines.

 

Job Description

  • Design, develop, and maintain desktop apps with Electron.js and React.js
  • Optimize performance and memory management in Electron applications
  • Collaborate with designers, backend developers, and stakeholders
  • Ensure app stability, scalability, and reliability through best practices
  • Develop and optimize JavaScript automation SDK products
  • Stay up-to-date with trends in Electron.js, React.js, and SDK development

Qualifications

  • Must have a strong background in desktop application development with any JS framework, along with a solid understanding of its architecture and development workflow
  • 5+ years of experience with JavaScript
  • 3+ years of experience with React.js, including deep knowledge of the latest updates and best practices
  • Knowledge of multi-threading, memory management, and performance optimization
  • Proficiency in implementation environments, build configurations, CI/CD pipelines, and development tools
  • Strong understanding of unit testing methodologies
  • Familiarity with GitHub and Jira for version control
  • Experience with cross-platform development (Windows, macOS)
  • English - at least Upper-Intermediate

WOULD BE A PLUS

  • Experience with Electron.js
  • Experience in JavaScript SDK product development
  • Understanding of Accessibility (A11y) principles
  • Experience with WebDriverIO and Appium
  • Knowledge of React Native, Flutter, Swift UI, or Android development
  • Experience working with mobile platforms 
  • Knowledge of security best practices and database technologies (SQL, NoSQL, GraphQL)

 

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The Company
New York, New York
1,516 Employees

What We Do

Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 21 years, providing comprehensive IT solutions to various businesses, ranging from startups to established software product houses. As one of Europe's substantial IT consultancies, it brings together a dedicated workforce of over 2,100 professionals in 40 offices across 19 countries. With a diverse client base, including more than 300 enterprises, including Fortune 500 stalwarts, Sigma Software Group is a preferred choice for developing solutions that help businesses create cutting-edge products while meeting their unique needs.

Sigma Software Group operates as a dynamic ecosystem of tech companies, offering 25 ready-to-implement innovative products and 40+ value-added services. Furthermore, Sigma Software Group is committed to fostering innovation through initiatives such as the Sigma Software Labs business incubator, Sigma Software University, the SID Venture Partners VC Fund, UA Tech Network, Techosystem, the European Business Association, and other collaborative efforts.

Since 2015, Sigma Software Group has consistently earned recognition on the IAOP's prestigious World's Top 100 Outsourcing list. The company's accomplishments have also been acknowledged by prominent global media outlets such as Forbes, CNBC, The Times, and Reuters

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