Senior Software Engineer React, Barcelona

if youre someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team. Lets go! Your Mission As a Senior Frontend Engineer working on Bitpandas flagship broker platform, youll drive the evolution of one of Europes leading investing and trading experiences. Youll architect and deliver highly-performant, secure, and scalable web surfaces that support everything from everyday investing to advanced crypto and trading features. Your decisions will shape how millions of users interact with digital assets helping make complex financial products feel simple, fast, and trustworthy. What youll do - Own the design, development and optimisation of high-impact web applications built with NextJS, React, and TypeScript. - Architect robust frontend systems, component libraries, and shared patterns that scale across multiple product teams. - Collaborate deeply with product, design, and backend engineering to define technical

direction and ensure seamless end-to-end execution. - Own performance, reliability, security and test quality across complex user flows. From trading execution to portfolio management. - Mentor engineers across the organisation, elevate frontend quality standards, and contribute to long-term technical strategy. Who you are - 6+ years of professional web engineering experience, with expert-level knowledge of React, NextJS, TypeScript, and modern web architecture. - Strong experience architecting large-scale frontend systems, including SSR/ISR, caching strategies, advanced state management, and performance tuning. - Able to translate ambiguous product and UX requirements into clear technical plans and scalable solutions. - Comfortable navigating cross-team collaboration, influencing stakeholders, and driving alignment on technical decisions. - Hands-on experience with modern frontend testing frameworks (e.g., Jest, React Testing Library), with a, clear understanding of how to build

reliable, scalable test suites. Whats in it for you - Flexibility to work where you thrive - Enjoy the freedom of our Hybrid working model, combining onsite collaboration and remote work, with an additional 25 days per year to work from a city or country of your choice. - Reward for your impact - Receive a competitive total compensation package aligned with Bitpandas pay-for-impact policy, including participation in our stock option plan. - Support for your mental wellbeing - Access confidential coaching, counselling, and mental health resources whenever you need them through OpenUP. - Time to recharge - Take extra time off to rest, reset, and recharge, with 3 additional days off in 2026 to prioritise your wellbeing. - Continuous learning and growth - Grow your skills and stay ahead in your career with unlimited access to Udemys library of online courses at your own pace. - Exclusive perks and rewards - Enjoy discounts, rewards, and perks from partners w

Bitpanda is a fintech based in Vienna, Austria and was founded in 2014 by Eric Demuth, Paul Klanschek and Christian Trummer. Bitpanda has 1 million users and more than 120 team members. With a PSD2 payment service provider license, state-of-the-art security and streamlined user experience, Bitpanda has grown into a popular trading platform for newbies and experts alike. Users can currently trade Bitcoin, Ethereum, gold and over 20 other digital assets.