NEOFACTO - Senior Frontend (React) Developer

We are looking for a high-level individual contributor who can take full ownership of existing complex frontend architectures while simultaneously architecting and building new user interfaces from the ground up for upcoming projects. If you are a React expert who thrives in structured, enterprise environments and enjoys the balance of maintenance and greenfield development, this role offers a significant opportunity to influence the Bank's financial toolset. Missions Application Ownership & Evolution: Lead the frontend maintenance and optimization of Capmark and Calms, ensuring these sophisticated applications remain high-performing and stable during and after their transition to the Finance Division. Greenfield UI Development: Take full responsibility for the end-to-end development of new user interfaces for two additional applications where screens do not yet exist, translating functional requirements into modern, scalable React components. Technical Excellence: Translate complex business logic into high-performance technical solutions using React (Functional Components, Hooks, Context API) and Esnext. Engineering Standards: Drive code quality through rigorous peer reviews, ensuring all development meets modern standards for security, maintainability, and documentation. Design System Integration: Implement and extend the Bank's central design system to ensure visual consistency and WCAG-compliant accessibility across the suite. CI/CD & Lifecycle Management: Manage the full application lifecycle, including builds, deployments, and source control within an Azure DevOps environment using Vite. Profile Professional Experience: Significant background in frontend engineering, ideally within a structured institutional or enterprise environment. Technical Mastery: Expert-level proficiency in the React ecosystem and deep knowledge of modern JavaScript. Experience with Jest and React Testing Library for robust unit/integration testing is essential. Autonomy: Proven ability to work independently, manage shifting priorities, and make senior-level architectural decisions without constant supervision. Architectural Mindset: Familiarity with scalable frontend architecture and the ability to consume or extend shared component libraries effectively. Communication: Strong interpersonal skills, with the ability to clearly explain technical trade-offs to Tech Leads, Business Analysts, and non-technical stakeholders. Education: A degree in Computer Science or a related field, or equivalent professional experience at a senior level. Our offer Working in a Great Place to Work based in Luxembourg Attractive salary and pretty cool benefits (meal vouchers, mobile subscription...) Develop your skills and ideas over a coffee, a beer or a pizza during our Neo'vations Evolve within a strong company culture, you'll join us for the opportunity and you'll stay because we're super cool (well according to 98% of our employees NEOFACTO Annual Survey 2024) Between afterworks, innovative workshops and ski weekends, there's never a dull moment when you're part of the Neo'Squad Recruitment process The pre-qualification interview with our Recruitment Manager Technical tests Receipt of our salary proposal / exclusivity agreement 2nd interview with our Business Manager Proposal of your application to the client Interview at the client's premises, which can be conducted either by video or in person Created in 2000, NEOFACTO is a major player that supports companies in their digitalization. Navigating between the creativity of startups and the experience of large groups, NEOFACTO has the ability to position itself and adapt to all projects. Guided by our passion for innovation, we support our customers with the goal of pioneering the new technologies and commercial models of tomorrow. Are we a dynamic and innovative team? Yes! And above all, a team that is united and driven by a very strong corporate culture. We share and cultivate common values to build together the NEOFACTO of tomorrow! You will join us for an opportunity and stay for the people around you.