Internship - Software Engineer Intern (F/M/D)

Flowdesk's mission is to build a global financial institution for digital assets, one designed from the ground up for market integrity and efficiency.To achieve this in a rapidly evolving market, we apply a disciplined, first-principles approach to everything we do. This approach is embedded in our core services, from institutional liquidity provision, trading solutions, OTC execution to our comprehensive treasury management offerings. This is how we cut through the noise and build robust and scalable systems across all our business lines.We seek individuals who are driven by this systematic approach. Joining Flowdesk means you will be a key contributor in building and scaling a more transparent and efficient financial markets infrastructure.Given our rapid growth, we've also launched our Early Talent Program, designed to attract and develop high-potential students through internship experiences. This program aims to build a strong pipeline of future full-time employees who are already aligned with our culture and expectations.You'll join a Full-Stack team building the tech powering our OTC product, most notably working on the web applications used by traders. We ship advanced React/TypeScript apps end‑to‑end from clean form flows to scalable components while evolving our UI library and Flowdesk's design system.Role Build and ship front-end features for our OTC product, using React and TypeScript, owning tasks end-to-end (specs, UI, testing, release).Contribute to our UI library and Flowdesk's design system, create and maintain reusable components, work with UI/UX designers, resolve design mismatches, and ensure consistency with our graphic charter.Tackle foundational front-end work (performance, accessibility, testing, developer experience) while iterating quickly on simple product interfaces (forms, validations, state management).Collaborate with product, design, and engineering to scope, implement, and improve user-facing features; explore new approaches and share learnings.Our stack Back-end, Typescript, NodeJS, Rust, GCP, Kubernetes, Docker. And in the Front-end, React, TypeScript, Tailwind, styled-components, AG-Grid, TailwindYou can find a more detailed list here Flowdesk StackshareRequirementsBackground and ExperienceProficiency in English.Hands-on experience with React and TypeScript/JavaScript (via prior internship/alternance or shipped school projects).Solid web fundamentals (HTML/CSS, JS >ES6, API integration, NGINX) and ability to deliver end-to-end UI features.Understanding of CI/CD process (GitHub Actions, Docker)Exposure to and experience with component libraries/design systems is highly appreciated.Skills and personalityCurious and motivated to learn about emerging technologies, including blockchain and crypto related topics. Detail-oriented with excellent organizational and communication skills. Ability to work in a fast-paced, dynamic environment and make informed decisions under pressure.Start Date, starting from March 2026What would be the Internship duration ? 6 months (5 days in a week, full time on-site)Who is eligible ? Bachelor's student who are able to provide an internship convention. BenefitsInternational environment (English is the main language)50% of transportation costs & a sustainable mobility agreementSwile lunch voucher (€9.25 per day, 60% covered)Team events and offsitesRecruitment ProcessAre you interested in this job but feel you haven't ticked all the boxes? Don't hesitate to apply and tell us in the cover letter section why we should meetHere's what you can expect if you applyTechnical Assessment HR InterviewTechnical Interview with the teamOn-site team fit and Wrap-up Interview On the agenda, discussions rather than trick questions These moments of exchange will allow you to understand how Flowdesk works and its values. But they are also (and above all) an opportunity for you to present your career path and your expectations for your next job