React Developer

City: Sofia Who we are flatexDEGIRO SE 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 3,5 million customer accounts and more than 75 million securities transactions processed in 2025, 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! 📌 We have two open positions for this role, with seniority ranging from mid to senior level depending on your experience and expertise. As a React Developer at flatexDEGIRO, you’ll be part of our IT team working on high-performance, fully responsive web applications used by hundreds of thousands of customers. This is what you'll do: Design and develop new functionality for our front-end software products Build complex, fully responsive trading tools with modern technologies Support existing products by resolving software issues, improving performance, and ensuring maintainability Share hands-on technical expertise and contribute to continuous improvements of our codebase, ecosystem, and team capacity Collaborate closely with product owners, UX designers, and other stakeholders You bring these skills: 3+ years of solid front-end development experience A Bachelor’s or Master’s degree in Informatics (or related field) Strong knowledge of React (Typescript, ES6+), HTML5, CSS Experience with modern web technologies such as RESTful APIs, WebSockets, and GraphQL Fluency in English (written and spoken); another European language is a plus Interested? This is what we offer you: Promise of a good work-life balance 30 days paid leave Personal and professional development with access to relevant courses Opportunities for career development Additional health insurance Luxe package (covering children under 18, dental and vision care) Best Doctors’ health insurance providing access to the best medical treatment worldwide* A challenging full-time job in an international and fast-growing company; A competitive salary Food vouchers (102 EUR net) The opportunity to participate in a new, enthusiastic team of likeminded professionals *The insurance is available for individuals who have obtained permanent resident status in Bulgaria and have resided in the country for more than 183 days within the last 12 months To make your life easier You’ll enjoy the flexibility of our hybrid working model, which allows you to work both from home and from the office, with at least 50% of the time spent onsite. We truly value time together in the office - it’s a great opportunity to connect, collaborate, and exchange ideas with colleagues. When you’re in, you can enjoy fresh fruit, good coffee, drinks, and snacks every day. Our modern Office X workspace is conveniently located in the southern part of Sofia with excellent transport connections, offering a comfortable and inspiring environment designed for collaboration and productivity. To make working from home comfortable we offer a 25 EUR net internet allowance, provide a company laptop and many options to make your work@home comfortable, such as a chair, screen and headphones. And last but not least: a fully covered Sports card we provide is an easy way to get into shape! 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 Sofia Branch Petar Patev Corporate Recruiter 2562