Frontend Developer (TypeScript, React)
FlowboxSpain21 hours ago
Full-timeRemote FriendlyEngineering, Information Technology
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We're looking for a motivated Frontend Developer to join our UGC Platform Team in Barcelona.
Flowbox was founded in 2016 and is a fast-growing tech scale-up with large ambitions and broad visions. We provide a SaaS platform that helps brands improve their marketing, social media and e-commerce strategies. Our technology helps our clients to better collect, manage, and distribute their own customers' content, aka user generated content (UGC).
Earlier this year, Flowbox acquired the Danish company Dreaminfluence, a leading influencer marketing platform. Post-acquisition, Flowbox now serves more than 1,000 customers, reports close to €9M in ARR, and employs over 70 people across offices in Stockholm, Barcelona, Amsterdam, and Copenhagen.
Tech Stack
We work with a modern, component-driven frontend stack designed for performance, scalability, and great developer experience:
Our Tech Department is made up of two core teams:
We work cross-functionally in a hybrid environment, collaborating across disciplines to deliver impactful solutions. In this team, you’ll find a balance of challenge, creativity, and ownership, with plenty of opportunities to make a real impact on Flowbox’s core product.
We believe in pair programming, regular code reviews, and open feedback, helping each other grow while maintaining high-quality standards across everything we build.
Your mission
As a UGC Platform Frontend Developer, you’ll play a key role in shaping the core of our product, the infrastructure that powers a platform trusted by hundreds of leading brands worldwide.
You’ll join an autonomous, agile, cross-functional team that designs, builds, and maintains scalable, high-performing systems for collecting, processing, and delivering user-generated content at scale.
In this role, you will:
You’re a frontend developer with 2-3+ years of experience building modern, responsive web applications. You have strong, hands-on experience with React and JavaScript, complemented by a solid understanding of TypeScript. You take pride in writing clean, maintainable code and building engaging, high-quality user interfaces.
You have a good eye for design and accessibility, using tools like CSS Grid, Flexbox, and Material UI to craft responsive interfaces that look great on any device. Experience with Svelte is a plus, and you’re always eager to explore new technologies that can improve your workflow or the user experience.
You thrive in collaborative, open environments where ideas are shared freely. You’re curious about how users interact with your product and motivated by delivering features that create real business value. Above all, you’re passionate about continuous learning, improving your craft, and contributing to great products that make a difference.
Why join Flowbox?
Flowbox offers a fast-moving and, at the same time, relaxed work environment in modern premises in the heart of Barcelona.
You will have large responsibilities and great career opportunities. You will work with a wide and modern tech stack; as one of our teammates says: “if you work at Flowbox, you will be able to work anywhere”. We want to accomplish our goals, but we need your help to do so.
More about our perks:
Flowbox 💜 equality
Flowbox is an equal opportunity employer. Employment at Flowbox is based solely on a person's merit and qualifications directly related to professional competence. Flowbox does not discriminate against any employee or applicant because of race, creed, color, religion, gender, sexual orientation, identity, national origin, disability, age, marital status, pregnancy or related condition or any other basis protected by law.
Note: our corporate language is English, so we would really appreciate if you send your CV and a cover letter in English😊
Flowbox was founded in 2016 and is a fast-growing tech scale-up with large ambitions and broad visions. We provide a SaaS platform that helps brands improve their marketing, social media and e-commerce strategies. Our technology helps our clients to better collect, manage, and distribute their own customers' content, aka user generated content (UGC).
Earlier this year, Flowbox acquired the Danish company Dreaminfluence, a leading influencer marketing platform. Post-acquisition, Flowbox now serves more than 1,000 customers, reports close to €9M in ARR, and employs over 70 people across offices in Stockholm, Barcelona, Amsterdam, and Copenhagen.
Tech Stack
We work with a modern, component-driven frontend stack designed for performance, scalability, and great developer experience:
- Languages & Frameworks: React, TypeScript, JavaScript (ES6+), Svelte (plus)
- UI & Styling: Material UI, CSS3, Sass, CSS Grid, Flexbox
- Build & Tooling: Vite, Webpack, Jest, Vitest, React Testing Library, ESLint, Prettier
- Architecture & State Management: Redux, Zustand, Context API, Microfrontend Architecture, Modular Architecture, RESTful APIs, GraphQL (Apollo Client)
- Infrastructure & Cloud: AWS (S3, CloudFront, Lambda), Docker, GitHub Actions for CI/CD
Our Tech Department is made up of two core teams:
- The UGC Platform Team (Barcelona):
- The Influencer Platform Team (Copenhagen):
We work cross-functionally in a hybrid environment, collaborating across disciplines to deliver impactful solutions. In this team, you’ll find a balance of challenge, creativity, and ownership, with plenty of opportunities to make a real impact on Flowbox’s core product.
We believe in pair programming, regular code reviews, and open feedback, helping each other grow while maintaining high-quality standards across everything we build.
Your mission
As a UGC Platform Frontend Developer, you’ll play a key role in shaping the core of our product, the infrastructure that powers a platform trusted by hundreds of leading brands worldwide.
You’ll join an autonomous, agile, cross-functional team that designs, builds, and maintains scalable, high-performing systems for collecting, processing, and delivering user-generated content at scale.
In this role, you will:
- Build and maintain the frontend of our platform as it continues to grow and expand with new features.
- Collaborate closely with engineering, design, and product teams to develop new functionality, integrate services, and ensure an exceptional user experience.
- Debug and troubleshoot production issues across multiple services and layers of the tech stack.
- Tackle complex challenges such as cross-browser compatibility, performance optimization, and building reusable, accessible components that work seamlessly across environments.
- Actively participate in Sprint Planning, Daily Standups, Product Reviews, and Retrospectives, helping us continuously improve how we build, deliver, and learn together.
You’re a frontend developer with 2-3+ years of experience building modern, responsive web applications. You have strong, hands-on experience with React and JavaScript, complemented by a solid understanding of TypeScript. You take pride in writing clean, maintainable code and building engaging, high-quality user interfaces.
You have a good eye for design and accessibility, using tools like CSS Grid, Flexbox, and Material UI to craft responsive interfaces that look great on any device. Experience with Svelte is a plus, and you’re always eager to explore new technologies that can improve your workflow or the user experience.
You thrive in collaborative, open environments where ideas are shared freely. You’re curious about how users interact with your product and motivated by delivering features that create real business value. Above all, you’re passionate about continuous learning, improving your craft, and contributing to great products that make a difference.
Why join Flowbox?
Flowbox offers a fast-moving and, at the same time, relaxed work environment in modern premises in the heart of Barcelona.
You will have large responsibilities and great career opportunities. You will work with a wide and modern tech stack; as one of our teammates says: “if you work at Flowbox, you will be able to work anywhere”. We want to accomplish our goals, but we need your help to do so.
More about our perks:
- A startup spirit with the stability of a growing international company
- Hybrid work model (3+2), enjoy a flexible balance with three days in the office and two days working from home
- Modern, central offices with free snacks and drinks
- Half-days before holidays, more time to enjoy life outside work
- Health and wellbeing benefits, including Gympass/Wellhub and private health insurance
- Cobee for flexible benefit management
- Fun afterworks and company events across our teams
- The freedom to work from any of our four locations, Barcelona, Copenhagen, Amsterdam, or Stockholm
- Amazing teammates to learn from, collaborate with, and have fun alongside across four countries
Flowbox 💜 equality
Flowbox is an equal opportunity employer. Employment at Flowbox is based solely on a person's merit and qualifications directly related to professional competence. Flowbox does not discriminate against any employee or applicant because of race, creed, color, religion, gender, sexual orientation, identity, national origin, disability, age, marital status, pregnancy or related condition or any other basis protected by law.
Note: our corporate language is English, so we would really appreciate if you send your CV and a cover letter in English😊
Key Skills
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