Front-End Developer

100%, Belgrade

Relio is a Swiss Fintech company with offices in Zurich and Belgrade. Two years ago, we launched fully digital business accounts for freelancers, SMEs, start-ups and corporate clients, becoming one of just five institutions currently holding a FinTech licence in Switzerland. Our offering is built on a compliance technology that allows us to serve companies with complex business setups.

As a Front-End Developer, you’ll join a team of skilled developers and collaborate closely with Back-End devs, QA, DevOps and Product management. Together, we design, architect, develop, and test exciting new features for our state-of-the-art payment product.

What You’ll Do:

• Front-End Development: Contribute to the development process by writing high-quality code and implementing scalable solutions for our user-facing platforms.
• Performance Optimization: Enhance and optimize the existing codebase to reach peak performance, accessibility, and long-term maintainability.
• UI/UX Implementation: Build and maintain dynamic, responsive user interfaces using modern design libraries and frameworks.
• Seamless Responsiveness: Develop fluid layouts that ensure a perfect user experience across all devices and screen sizes.
• Technical Innovation: Stay ahead of industry trends and integrate modern best practices into our evolving development lifecycle.
• High-Performance Delivery: Maintain a healthy balance between polished UI/UX quality, technical debt, and application efficiency.
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Who You Are:

• Experienced Front-End Developer: 3+ years of professional experience with a track record of building complex, high-performing web applications.
• React Specialist: Proficiency in React is essential, though we welcome masters of Vue.js or Angular who have a deep understanding of component-based architecture.
• State & Data Expert: Extensive experience with state management (Redux, Zustand, or Recoil) and a strong understanding of caching strategies like React Query or SWR.
• Performance Focused: Deep expertise in Server-Side Rendering (SSR) and building resilient, high-performing front-end applications.
• CSS & Design Savvy: Experienced in modern design systems and styling tools like Tailwind, SASS, or MUI to create beautiful, responsive layouts.
• Quality Driven: Committed to writing robust unit and E2E tests using frameworks like Jest and Cypress.
• Tooling & CI/CD: Familiar with modern build tools (Vite, Webpack) and comfortable navigating CI/CD pipelines for front-end deployments.
• Education: Bachelor’s or Master’s degree in Computer Science, Informatics, or a related field.
• Communicator: Fluent in English and comfortable collaborating in a fast-paced environment.
• Bonus Points: Experience with cross-platform mobile development is a significant plus.

Technology we use:

• Languages/Environment: TypeScript, Node.js, MacOS/Linux
• Frameworks/Libraries: React, Vite, Material UI (MUI), React Native
• Data & Infrastructure: PostgreSQL, Google Cloud Platform, Docker
• Workflows: Git/GitHub, Jira

What We Offer:

• Hybrid work model
• 25 days of paid vacation
• Business offices located near Novi Beograd train and bus station
• Flexible work environment, inclusive and supportive team culture

This is your opportunity to be part of a startup and influence the trajectory of the business. Expand your knowledge and forge a promising career in financial services. If you are ambitious and deeply passionate about fintech, we eagerly await your application.

To apply, please submit your application (including salary expectations) electronically. For more details, please visit www.relio.ch.