We're looking for a motivated Backend Developer to join our UGC Platform Team in Barcelona. 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. We work with a modern, cloud-native stack built for scalability and performance: Languages & Frameworks: Python (Flask, FastAPI), Celery Databases & Storage: PostgreSQL, DynamoDB, Amazon S3 Infrastructure & Cloud: AWS (Lambda, CloudWatch, Kinesis, Athena, EKS), Docker, Kubernetes Microservices, Event-driven systems, GitHub Actions for CI/CD, NewRelic The UGC Platform Team (Barcelona): Responsible for the heart of our UGC platform, including integrations, back-office tools, content collection, moderation, and distribution. We also manage event streams, analytics, and data infrastructure, ensuring our systems are efficient, reliable, and scalable.

The Influencer Platform

Team (Copenhagen): The team behind the influencer marketing part of the Flowbox platform, developing and maintaining a platform for influencer collaboration, campaign management, and performance tracking. We handle everything from influencer payments and reporting to analytics and insights, making it simple for brands and influencers to connect, collaborate, and generate results. We work cross-functionally in a hybrid environment, collaborating across disciplines to deliver impactful solutions.

We believe in pair programming, regular code reviews, and open feedback, helping each other grow while maintaining high-quality standards across everything we build. As a UGC Platform Backend Developer at Flowbox,



you'll play a vital role in shaping the core infrastructure that powers our product, a platform used by hundreds of leading brands around the world. You'll be part of an autonomous, cross-functional, agile team that designs, builds, and maintains backend services that are highly available, low-latency, and scalable.

Your work will directly impact how we collect, process, and deliver user-generated content at scale. Design and develop robust APIs, microservices, and backend systems that power our UGC platform. Investigate and resolve production issues across multiple services, ensuring reliability, scalability, and performance.

Work with a modern tech stack including Python, Docker, AWS (S3, Athena, Lambdas), Kubernetes, PostgreSQL, and DynamoDB. Participate actively in Sprint Planning, Daily Standups, Product Reviews, and Retrospectives, continuously improving how we build, deliver, and learn together. You're a backend developer with 3-4+ years of hands-on experience building reliable, scalable systems.

You have strong, practical experience with Python, and you take pride in writing clean, maintainable code that powers products millions of users rely on every day. You're comfortable working with Celery, Flask, Docker, PostgreSQL, and Kubernetes, and you understand how to design and maintain microservice architectures. You have hands-on experience with AWS services like CloudWatch, Kinesis, EKS, Lambdas and DynamoDB, and you're confident in navigating modern cloud environments.

Hybrid work model (3+2), enjoy a versátil balance with three days in the office and two days working from home Half-days before holidays, more time to enjoy life outside work Health and wellbeing benefits, including Gympass/Wellhub and private health insurance Note: our corporate language is English, so we would really appreciate if you send your CV and a cover letter in English

📌 Programista Back-End - Backend Developer (Barcelona)
🏢 Flowbox
📍 Barcelona