Senior Front-End Engineer – UI Systems @ Harvey Nash Technology
(práce v Polsku)

Senior Front-End Engineer – UI Systems @ Harvey Nash Technology

Polsko

What You Bring

• 5+ years of professional experience in front-end development 
• Deep expertise in TypeScript, JavaScript, and modern frameworks like React or Angular 
• Experience integrating with REST APIs and version control systems like GitHub 
• Strong background in Test-Driven Development (TDD), unit testing, and end-to-end testing tools (e.g., Protractor or alternatives) 
• Familiar with build automation tools such as Webpack, Gulp, or similar 
• Hands-on experience with UI design tools such as Figma, and component libraries like ag-Grid or Highcharts 
• Solid understanding of asynchronous programming (Promises, Observables) and building reusable, modular UI components 
• Strong grasp of CSS and JS for responsive design and high-performance visual rendering 
• Understanding of web application infrastructure including APIs, caching, server-side logic, and deployment workflows 
• Excellent written and verbal communication skills, with the ability to drive discussions and lead technical decisions 
• A track record of ethical, high-quality engineering and a collaborative mindset 

Ideal Candidate

You are a forward-thinking developer with a passion for building intuitive, scalable front-end systems that empower users and support operational excellence. You excel in collaborative, fast-paced environments and have a strong eye for both technical precision and user experience.

Role Title: Senior Front-End Engineer – UI Systems

Location: Warsaw, hybrid

Contract Type: Umowa o Pracę - full time employment

The Opportunity

We are seeking a seasoned Front-End Engineer to take a leading role in designing and maintaining innovative user interface systems used across discretionary business and analytical teams. This is a high-impact opportunity to build performant, scalable interfaces and shape user experience at the intersection of technology and data-driven decision-making.

You’ll join a fast-paced environment where modern UI development, best engineering practices, and advanced front-end capabilities converge to streamline workflows and enhance user efficiency.

,[Design, develop, and maintain advanced front-end components integrated into core internal applications , Build new and enhance existing interfaces to meet evolving user needs, leveraging the latest UI frameworks and development methodologies , Collaborate with cross-functional teams to align on architecture, usability, and performance requirements , Optimize front-end components for scalability, responsiveness, and efficient data handling , Implement robust test suites (unit, integration, end-to-end) to ensure quality and reliability , Conduct code reviews, mentor junior developers, and contribute to a high-standard engineering culture , Develop and maintain technical documentation to support onboarding and knowledge sharing ] Requirements: UI, User interface, TypeScript, JavaScript, React, Angular, REST API, GitHub, Test-driven development, Unit testing, Testing, Protractor, Webpack, Gulp.js, Figma, Highcharts, CSS, Communication skills, Excel, Node.js

Kategorie

frontend

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