Senior Frontend Developer

LumRisk S.A. is an independent provider of state-of-the-art financial risk consolidation and reporting services to institutional clients. Based in Nyon, Switzerland, LumRisk has developed an interactive web-based application that provides detailed risk analysis, reporting, and stress testing on client portfolios, based on full position-level transparency. LumRisk covers the full spectrum of financial instruments from traditional long only and multi-asset investments to complex derivatives, hedge funds, and alternative risk premia.

In response to significant growth opportunities, and to speed up our development cycle, LumRisk is current looking to hire for its Madrid (Spain) office a:

Senior Front End Developer

Responsibilities:

The successful candidate is expected to create and implement user interface components using React.js and related technologies with our team in Madrid, Spain. Will collaborate with the development team to translate user requirements into high-quality, responsive web applications. Additionally, will ensure the technical feasibility of UI/UX designs, optimize application performance, and participate in code reviews and testing and collaborate with cross-functional teams, including backend developers and data engineers. Your responsibilities may include:

• Design, develop, test, and maintain responsive web applications using React.js or ideally Next.js 15, incorporating charting libraries for data visualization.
• Applying frontend security development best practices.
• Collaborating with UI/UX designers and backend developers to ensure seamless user experience.
• Optimizing application performance and ensuring technical feasibility of UI/UX designs.
• Participating in code reviews, testing, and debugging to maintain high-quality standards.
• Consuming and integrating REST APIs, ensuring security best practices.
• Working closely with cross-functional teams, including data engineers and business users, to understand project requirements.
• Keeping up with the latest front-end technologies and industry trends to enhance application performance and user experience.

Skills and experience desired

• Proficiency in Next.js/React.js and its ecosystem, at least 4 years of work experience.
• Experience with responsive web design and modern front-end development practices.
• Familiarity with REST API consumption and integration.
• Experience with version control systems (e.g. Git)
• Knowledge of unit testing and integration testing
• Experience with code-splitting, lazy loading, and memoization techniques to optimize large-scale applications.
• Experience with TypeScript to enhance code maintainability and scalability.
• Understanding of Continuous Integration/Continuous Deployment (CI/CD) workflows for smooth development processes.
• Familiarity with Agile development.

Optional Qualifications:

• Experience with React Native, SQL, Docker, or Kubernetes.
• Background in data visualization or experience in the financial industry.
• Hands-on experience with Docker, Kubernetes, and CI/CD pipelines for deploying and managing applications.

Profile

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Fluent in English. Other languages are an asset.
• Excellent leadership, communication, and problem-solving skills.
• Passionate about innovation and dedicated to building high-quality applications.
• Excited to contribute to the future of LumRisk’s applications and interactive reports.
• Able to switch very fast from one task to another (multitasking).
• Strong problem-solving skills and ability to work in a fast-paced environment.
• Curious and independent, with a strong willingness to collaborate with business users and developers.
• Team player.
• Analytical mindset, attention to details.

You are a highly motivated, social, creative but pragmatic individual, with the willingness to learn and evolve in an entrepreneurial setting. LumRisk is an ambitious project and a demanding position in a fast-growing environment offering to take on further responsibilities.

EU citizenship or a valid work permit to work in the European Union at the time of application is a pre-requisite. This position is for our office in Madrid, Spain.