> Markdown version of [/jobs/ext/2032308-backend-developer](https://www.wearedevelopers.com/jobs/ext/2032308-backend-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Developer - **Company:** Flowbox - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Airflow, Amazon Web Services, Amazon S3, Information Engineering, Software Debugging, Amazon DynamoDB, Github, Python (Programming Language), PostgreSQL, System Availability, Flask (Web Framework), Snowflake, AWS Lambda, Backend, Kubernetes, Low Latency, Celery, Cloudwatch, Docker, Microservices - **Published:** August 12, 2026 - **Apply:** https://es.trabajo.org/oferta-5001-c959af6b952f84e9fa20be521d4c8d03 ## About the Role As a Backend Developer at Flowbox, you will be a valued member of an autonomous, cross-functional, agile team, and build the backend infrastructure for our product which is growing in popularity as we grow our user base and continue to add new features - You will design, develop and maintain backend services with a focus on high availability, low latency and scalability - You will also work collaboratively to design, build and maintain APIs, services, and systems, debug production issues across different services - You will work with a tech stack that includes Python, Docker, AWS, S3, Snowflake, Airflow, Athena, Kubernetes, Lambdas PostgreSQL, DynamoDB Benefits - Fun AW:s and parties - Free snacks & drinks at the office - Ping pong, foosball, dart board, Mario Kart and FIFA at the office- It is a plus if you have a track record of working with a fast-paced agile team with a startup culture and mindset - You should be passionate about what you do and have a strong interest in keeping up with the latest best practices in your area of expertise - To thrive in this role, you should have at least 3-4 years of experience in backend development and data engineering - As a person, you should have an entrepreneurial mindset, including a strong work ethic and an interest in learning new technologies - You should have strong coding skills in at least one general-purpose language, preferably Python - Furthermore, you will be working with a tech stack consisting of Celery, Flask, Docker, PostgreSQL, Kubernetes, Microservices arch, GitHub and other AWS resources like Cloudwatch, kinesis, EKS. So if you have experience with these, it's a big plus.