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Qualysoft

Frontend Developer

Qualysoft

. Develop user interfaces and complex application logic for web-based diagnostic applications using JavaScript/TypeScript .

Posted 11/11/2026full-timeBudapest • HungaryMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in developing user interfaces and complex application logic for web-based diagnostic applications using JavaScript and TypeScript, with a strong focus on code maintainability, automated testing, and collaboration with stakeholders. Demonstrates expertise in web technologies and frameworks, ensuring high-quality software solutions for railway systems.

Highest-signal resume keywords
JavaScript Application DevelopmentTypeScript Application DevelopmentVue.js Framework KnowledgeAutomated Testing ExperienceCI/CD Environment Familiarity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaScriptTypeScriptHTMLCSSVue.jsAngularExtJSAutomated TestingUnit TestingJava
Soft Skills
Effective CommunicationProblem-SolvingCollaboration
Tools & Technologies
CI/CD ToolsDiagnostic SystemsEmbedded Systems
Industry Keywords
Web-Based ApplicationsRailway SystemsDiagnostic ApplicationsClient-Side LogicTechnical Documentation

Tech Stack

Tools & technologies
AngularJavaJavaScriptTypeScriptVue.js

About the role

Key responsibilities & impact
  • Develop user interfaces and complex application logic for web-based diagnostic applications using JavaScript/TypeScript
  • Implement new features, enhance existing functionality, and fix software defects
  • Participate in code reviews and improve code maintainability and quality
  • Clarify requirements and align technical solutions with the development team and stakeholders
  • Test developed solutions and maintain associated technical documentation
  • Analyze and resolve software issues identified during product support
  • Contribute to evaluating new technical solutions and participate in international development projects
  • Develop service and diagnostic tools for railway brake and door control systems used by engineers for testing and train commissioning

Requirements

What you’ll need
  • Bachelor's or Master's degree in Computer Engineering, Electrical Engineering, or an equivalent field
  • Hands-on experience in JavaScript and/or TypeScript application development
  • Knowledge of web technologies, including HTML, CSS, and browser fundamentals
  • Ability to understand existing codebases, troubleshoot complex issues, and develop well-structured, maintainable solutions
  • Ability to work independently on clearly defined development tasks while collaborating effectively on technical problem-solving
  • English language skills sufficient for professional discussions and working with technical documentation
  • Confident spoken and written English communication skills
  • Experience with complex web applications with substantial client-side application logic
  • Knowledge of Vue.js, Angular, ExtJS, or other JavaScript/TypeScript frameworks
  • Experience with automated testing and unit testing
  • Hands-on experience with build processes and CI/CD environments
  • Knowledge of Java and/or diagnostic systems or embedded systems development

Benefits

Comp & perks
  • Continuous learning opportunities
  • Honesty, development and a stable background
  • Open-door culture and employee-focused workplace
  • Opportunities to contribute ideas and work with the latest technologies
  • International development projects