Frontend Developer

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.



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) at: [email protected]. For more details, please visit www.relio.ch.