Senior Backend Developer (Data oriented)
We're looking for a motivated and aspirational Senior Backend Developer with solid data skills to join our team in Barcelona.
Flowbox was founded in 2016 and is a fast-growing tech scale-up with great goals 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, also known as User Generated Content (UGC).
At the moment we have 800+ clients, 60+ Flowboxers, as well as 3 offices in Stockholm, Amsterdam and Barcelona.
⭐️ First Swedish company to become an Official Facebook Marketing Partner
⭐️ Ranked #8 in Deloitte’s Technology Fast 50 Sweden
About the teams
Our Tech department has two teams, a Platform team and Ratings and Reviews team distributed between Stockholm and Barcelona offices.
Our platform team focuses on our UGC platform including integrations, backoffice, content collection, moderations and distribution. The Platform team also handles our event streams, analytics, data infrastructure and pipelines associated with it.
The Ratings and Reviews team focuses on our new feature which enables our clients to collect and display ratings and reviews across their websites and apps.
You will be working in the platform team with focus on the data engineering aspects.
Our teams work cross-functionally and with a hybrid environment. You will be given a unique and challenging work environment where you will have an opportunity to influence Flowbox’s product to the core. We like pair programming, reviewing our code, and providing each other with constructive feedback.
Your mission 🚀
As a Backend Developer at Flowbox, you will be a valued member of an autonomous, cross-functional, agile team, and build the backend and data 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 Data Systems and Pipelines. Build algorithms and prototypes for data analysis needs for the business together with the team.
- Maintain data warehouse and storage systems of the platform together with improving data quality and efficiency.
- 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.
About you
To thrive in this role, you should have at least 3–4 years of experience in backend development and data engineering. You should have strong coding skills in at least one general-purpose language, preferably Python and hands on experience with ETL and data warehousing. You should be used to analyzing raw data, test-driven development, integration testing, and containerization.
You should be familiar with AWS storage systems and services like S3, RDS, Athena, DynamoDB.
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.
It is a plus if you have a track record of working with a fast-paced agile team with a startup culture and mindset. As a person, you should have an entrepreneurial mindset, including a strong work ethic and an interest in learning new technologies. 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.
About 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:
- Startup style and spirit
- Free snacks & drinks at the office
- Half-days before holidays
- Health benefits (Gympass and a private health insurance)
- Fun AW:s and parties
- Opportunity to work from one of our 3 locations (Barcelona, Amsterdam and Stockholm)
- Great co-workers to learn from and have fun with in 3 different countries!
Apply today! We can't wait to meet you! 😉
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😊

Barcelona
About Flowbox
Flowbox enables brands in all industries to fuel their growth with tools to gain authentic content and maximize the customer experience.
Senior Backend Developer (Data oriented)
Loading application form
Already working at Flowbox?
Let’s recruit together and find your next colleague.