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Frontend Software Engineer Java (m/w/d)

flatexDEGIRO AG

Location not specified freelance

Posted: December 9, 2025

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Job Description

Who we are


flatexDEGIRO AG operates the leading and fastest growing online brokerage platform in Europe. Based on modern, in-house state-of-the-art technology, customers of the flatex and DEGIRO brands are offered a wide range of independent products with execution on top TIER 1 exchanges. The technological edge, high efficiency and strong economies of scale enable us to continuously improve our service offering for clients and to set leading standards in terms of product, price and platform quality.


With more than 3 million customer accounts and more than 63 million securities transactions processed in 2024, flatexDEGIRO is the largest retail online broker in Europe. In times of bank consolidation, growing digitalization and the immanent need of millions of Europeans to take their financial future into their own hands, flatexDEGIRO is ideally positioned for further profitable growth.


Want to know what it’s like to work for flatexDEGIRO?


Check out our Instagram @lifeatflatexdegiro and meet the great people that makes us who we are! Do you already see yourself as part of this team? Apply!

Welche Aufgaben erwarten Sie bei uns?
Sie entwickeln moderne, performante und benutzerfreundliche Web-Frontends auf Basis von React – in enger Zusammenarbeit mit unseren UX-Designern, Product Ownern und Back-End-Teams.
Sie bringen eigene Ideen in die Gestaltung von UI/UX-Konzepten ein und sorgen für eine konsistente User Experience über verschiedene Anwendungen hinweg.
Sie übernehmen Verantwortung für die Integration von RESTful APIs und stellen eine effiziente Kommunikation zwischen Frontend und Java-basierten Services sicher.
Gemeinsam mit dem Team begleiten Sie den gesamten Software-Lifecycle – von Konzeption und Entwicklung über Testing und Deployment bis hin zu Wartung und Support.
Optional unterstützen Sie auch bei der Weiterentwicklung von Back-End-Services in Java, um die Frontend-Infrastruktur optimal zu ergänzen.


Was wünschen wir uns von Ihnen?
Ein abgeschlossenes Studium der Informatik, Mathematik oder eine vergleichbare Qualifikation mit einschlägiger Berufserfahrung in der Softwareentwicklung
Tiefgehende Kenntnisse moderner Webtechnologien, insbesondere React, TypeScript/JavaScript, HTML5 und CSS3
Erfahrung im Aufbau von skalierbaren Frontend-Architekturen und sicheren Integrationen über RESTful APIs oder vergleichbare Schnittstellen
Vertrautheit mit Java-basierten Back-Ends (Spring Boot oder ähnliche Frameworks) ist von Vorteil
Eine strukturierte, proaktive und teamorientierte Arbeitsweise sowie Freude an interdisziplinärer Zusammenarbeit
Mind. C1 Level Deutsch
Gute Englischkenntnisse in Wort und Schrift für die Arbeit in einem internationalen Umfeld - B2/C1 Level


Interested? This is what we offer you
Promise of a good work and personal life balance
30 days paid leave
Mobility Benefit: Employer subsidy for the Job Ticket (Deutschlandticket)
E-Mobility Benefit: leasing e-bikes & e-scooters at a reduced rate (after the end of the probationary period)
Personal and professional development with access to relevant courses
100% coverage KITA costs incl. food (after the end of the probationary period)
Company pension plan (after the end of the probationary period)
A challenging job in an international and fast-growing company
A competitive salary and a yearly voluntary Bonus
A lot of freedom executing your role and a chance to shape your own career
The opportunity to participate in a new, enthusiastic team of likeminded professionals


To make your life easier


You get the freedom to work flexible. Meaning you don’t have to work in our office every day, but we like it if you do of course! It’s fun to come in and mingle with your colleagues. There is also fruit, good coffee, drinks & snacks every day. To make work@home comfortable we offer a company laptop and screen and headphones. You also have the option of choosing between the Pluxee Benefits Pass worth €50 or the EGYM Wellpass - customizable according to your individual needs and wishes.


Want to invite your friends to work for us as well? A generous referral bonus will be yours if they get hired, so spread the word once you start!


All qualified applicants will receive consideration for employment without regard to ethnicity, color, religion, age, sex, national origin, disability, sexual orientation, gender identity/expression, or any other legally protected status. flatexDEGIRO is an Equal Opportunity Employer.

flatexDEGIRO AG
Annika Dreßler
Corporate Recruiter

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