Principal Software Engineer | Frontend

At HRLabs, we specialize in connecting exceptional talent with leading companies. We are currently seeking a Principal Software Engineer | Frontend for our client, an innovative software product company.

Position Overview:

As a Principal Software Engineer with focus on the Frontend, you’ll be responsible for building cutting-edge applications for our partner’s product using the latest technologies.

You will be executing the technical roadmap, emphasizing code modularity, reusability, testability, and performance optimization. In addition to hands-on development, you’ll guide engineering teams by promoting best practices and design patterns across our features. You’ll also engage in technical analysis and collaborate closely with UI/UX designers to ensure the delivery of an outstanding user experience.

Key Responsibilities:

• Write code alongside engineers, addressing root causes and leading by example.
• You should have a solid understanding of frontend performance metrics and experience with debugging tools.
• Influence multiple teams technically, mentor on advanced issues, and support technology managers in fostering team growth.
• Collaborate with Product and Delivery teams to build scalable, high-performing, and secure solutions.
• Offer hands-on solutions through POCs or direct implementations as needed.
• Actively participate in technical discussions, challenge existing architecture, propose improvements, and drive their implementation.
• Serve as the main link between the Architecture Engineering Team and Development Teams, ensuring the integrity of our engineering processes and software delivery to browsers and mobile platforms.

Your Background:

• Strong understanding of how modern frontend libraries manage data and state in relation to rendering engines, whether it’s the browser DOM or native mobile APIs.
• Proficient in frontend integration methods on both client and server sides.
• Experience with server-side rendering in major frontend frameworks is a plus.
• Hands-on experience with bundling tools like Webpack and Vite, as well as global store/action-based state management patterns such as Redux, VueX, or Pinia.
• Deep knowledge of SPA communication with Backend-for-Frontend (BFF) architectures and best practices in API design.
• Familiarity with the latest browser APIs, including service workers, MutationObserver, and ResizeObserver.
• Experience in mobile development, whether native or hybrid (e.g., React Native, Ionic), is an added advantage.
• Fluency in English.

Our client offers:

• Competitive Compensation: Attractive salary package and annual bonus.
• Health Insurance: Premium health insurance for you and your family.
• Professional Development. Individual budget for conferences and unlimited access to Udemy for continuous learning.
• Meal Allowance
• Top-Notch Equipment

Location: Sofia | Hybrid

This is your chance to lead impactful projects, mentor talented engineers, and shape the future of technology within a dynamic and innovative team.

All documents will be treated in the strictest confidentiality.

Only short-listed candidates will be invited for an interview.

HRLabs has License 3357/13.07.2022