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Senior JavaScript (React.js) Web Developer

Head office

Sofia, valid to 15.02.2026

General duties:

Lead development of new user-facing features using React.js and modern JavaScript.
Architect and build scalable, reusable components and front-end libraries for long-term maintainability.
Collaborate with UI/UX designers to translate design mockups into high-quality, responsive interfaces.
Work closely with backend developers to ensure seamless integration of APIs and services.
Optimize performance and accessibility across web applications following industry best practices.
Implement unit, integration, and end-to-end tests to ensure code quality and reliability.
Participate in code reviews, provide constructive feedback, and uphold coding standards.
Contribute to technical decision-making, architecture discussions, and roadmap planning.
Stay up-to-date with emerging front-end technologies, frameworks, and best practices.
Mentor and guide junior developers, fostering a culture of continuous learning and improvement.

Requirements:

5+ years of practical experience in front-end web development.
Bachelor’s degree in Computer Science or a related field (or equivalent experience).
Expert-level proficiency in JavaScript (ES6+) and strong experience with React.js and its ecosystem (React Hooks, Context API, Redux or similar state management).
Solid understanding of HTML5, CSS3, and responsive design principles.
Experience with modern build tools such as Webpack, Vite, or similar.
Familiarity with TypeScript is a strong plus.
Hands-on experience integrating RESTful APIs and working with asynchronous programming patterns.
Strong knowledge of component-driven architecture, reusable UI libraries, and performance optimization.
Experience with testing frameworks (Jest, React Testing Library, Vitest) and end-to-end testing tools (Playwright, Cypress).
Proficiency in version control systems (Git) and collaborative workflows (GitHub/GitLab).
Understanding of accessibility standards and web performance best practices.
Familiarity with Node.js and npm for tooling and package management.
Good command of English for effective communication.
Ability to guide and support junior developers, share knowledge, and promote best practices.
Clearly articulate technical concepts to both technical and non-technical stakeholders.
Work seamlessly with cross-functional teams (design, backend, QA, product management).
Approach challenges with creativity and deliver optimal solutions under constraints.
Comfortable working in a fast-paced environment and adjusting to changing priorities.
Take responsibility for deliverables, timelines, and quality.
Identify potential issues early, suggest improvements, and contribute to process optimization.

DSK Bank offers:

Food vouchers at the amount of 102,26 EUR monthly;
20+5 days paid holiday leave;
Competitive remuneration and attractive bonus scheme;
Excellent opportunities for professional and career development in one of Bulgaria’s leading banks;
Dynamic and challenging job;
Friendly work environment;
Additional Health Insurance;
Promo price for Multisport Cards;
Great location – in the heart of Sofia’s city center;
Unbeatable interest rates for mortgage loans for employees;