Senior React Developer

We are VICIO. The leading food delivery startup born in Barcelona in 2020 with the biggest growth in Spain. As a digital restaurant, technology is a pillar of our company being at the forefront of the food-tech industry.

In just a few years we have grown from 6 to 900+ employees and we keep expanding our Engineering Team. This is a great opportunity to join at an early stage of a well-funded and successful company, working directly with the CTO and key stakeholders of the company. Your work will have high impact and high visibility and you will be part of a superb team of professionals building one of the fastest-growing brand names in the food industry.

What you’ll work on

• Designing and building large-scale React SPAs used daily by thousands of customers and stores

• Developing complex, high-performance front-end applications with a strong focus on UX, maintainability, and scalability

• Collaborating closely with backend, product, and design teams

• Making front-end technical decisions with real business impact

• Ensuring code quality through clean architecture, testing, and best practices

Who are we looking for?

We’re looking for a Senior React Developer with deep, hands-on experience building and maintaining production-grade React applications.

React expertise is the core requirement for this role. You’ll collaborate with backend services and APIs so some backend familiarity is needed.

You should be comfortable owning front-end systems end-to-end, from technical design to production, and enjoy working on products used at scale.

Need to have

• Extensive experience building complex React applications in production

• Strong knowledge of modern React patterns (hooks, state management, performance optimization, component architecture)

• Solid understanding of JavaScript/TypeScript, HTML, and CSS

• Experience consuming REST APIs and working with asynchronous data

• Strong focus on code quality, maintainability, and performance

• Ability to take ownership and make sound technical decisions

• Curiosity, critical thinking, and a continuous-learning mindset

• Team-oriented attitude and good sense of humor

Nice to have

• Some experience with backend technologies (e.g., PHP, Laravel, or similar frameworks)

• Understanding of how backend systems, databases, and caching work

• Experience working in high-traffic or fast-growing environments

Benefits and perks

• Hybrid work (remote + office)

• Nice offices located in the center of Barcelona (Gràcia)

• Great company culture with many company events

• Burgers, fruit, cookies, coffee and beer

• Laptop, extra screens and gadgets

• Huge discounts on VICIO

• Free English and Portuguese classes

• Friday afternoon’s off

If you enjoy building real products used at scale and want your work to matter on one of the most loved brands, we’d love to talk!