Backend Engineer (Fintech / Barcelona)

Barcelona, Spain€35k–€50kPosted Jun 11, 2026
This website uses cookies to ensure you get the best experience. Flanks and our selected partners use cookies and similar technologies (together “cookies”) that are necessary to present this website, and to ensure you get the best experience of it. If you consent to it, we will also use cookies for analytics purposes. See our Cookie Policy to read more about the cookies we set. You can withdraw and manage your consent at any time, by clicking “Manage cookies” at the bottom of each website page. Accept all cookies Decline all non-necessary cookies Cookie preferences Select which cookies you accept On this site, we always set cookies that are strictly necessary, meaning they are necessary for the site to function properly. If you consent to it, we will also set other types of cookies. You can provide or withdraw your consent to the different types of cookies using the toggles below. You can change or withdraw your consent at any time, by clicking the link “Manage Cookies”, which is always available at the bottom of the site. To learn more about what the different types of cookies do, how your data is used when they are set etc, see our Cookie Policy. Strictly necessary These cookies are necessary to make the site work properly, and are always set when you visit the site. Vendors Teamtailor Analytics These cookies collect information to help us understand how the site is being used. Vendors Teamtailor Accept these cookies Decline all non-necessary cookies Skip to main content Career menu Employee Log in as employee Candidate Log in to Connect Homepage flanks.io Share page Facebook X LinkedIn Mail Tech · Barcelona Office · Hybrid Backend Engineer (Fintech / Barcelona) Apply A little bit about Flanks 🚀Flanks is shaking up the wealth management industry by making it simpler and way more efficient for financial institutions. Our SaaS platform is designed to help banks, family offices, and wealth managers get a full picture of their clients' financial assets—all in one place. 💼💡Founded in 2019 and based in Barcelona, we've brought together a team of passionate wealth management and tech pros, all with a shared goal: to change how wealth management is done. Backed by €23 million in investment, we're growing fast, and we're not stopping anytime soon! 📈🔥What we stand for:People First 🤝 – our team comes first. We want every Flanker to feel at home, engaged, and part of something bigger.Keep Growing 🌱 – as the company grows, so should you. We're all about personal and professional development here.Think Twice, Act Once 🧠💭 – we believe in thoughtful decisions, considering the impact on both our team and our clients before taking action.If you're looking for a place where you can grow and make an impact at a fast-paced, exciting fintech startup, this might just be the place for you! 🎯✨About the role 💼As a Mid-Level Backend Engineer on our Tech Team, you will design, build, and optimize the data pipelines and backend services that keep clean, reliable data flowing across the entire organization. You will own the full lifecycle of data ingestion and transformation work — from understanding a business requirement through to production deployment — and directly shape the backend infrastructure that powers our data-driven decision-making at Flanks.What you'll do 🛠️Here's what you can expect to work on:Design, develop, and maintain scalable ETL/ELT pipelines to ingest, transform, and load data from multiple disparate sources into our core systems.Write clean, efficient Python code with a strong focus on performance — applying optimal data structures and algorithms to handle high-volume datasets reliably.Collaborate on database schema design (SQL...

Want jobs like this matched to you?

Swoopd scores fresh postings against your résumé so you only see the matches that matter.

Get started free