Frontend Developer

Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Nimbus Data Systems may contact potential candidates via LinkedIn, all applications must be submitted through our official website ( monks.com/careers ). About the role We are seeking a highly skilled Front End Developer with a keen eye for detail and a commitment to perfect UI execution. You will be a key member of the team driving the evolution of our internal orchestration software, designing, coding, testing, and supporting applications that enable businesses to operate more effectively and competitively. You will collaborate with backend developers, and product teams to implement innovative solutions, translating complex management requirements into user-friendly and responsive interfaces. Key Responsibilities Develop, implement, and maintain robust web applications using ReactJS. Utilise Material Design libraries (MUI) to build a consistent, professional, and highly functional internal toolkit A proven "feel" for UX/UI designs, ensuring responsive and user-friendly interfaces that are intuitive to use.. Evolve platform features to meet business needs, including time-tracking modules, timesheet approval workflows, and data validation modules. Optimise frontend performance and scalability, ensuring the internal platform remains 100% stable and high-performing. Collaborate with backend teams to integrate complex bi-directional syncs and AI-driven features like agentic workflows. Design and manage scalable design systems to ensure consistency across internal tooling projects. Debug and resolve complex frontend issues and performance bottlenecks. Provide technical support and guidance to the wider Monk community on the internal platform's frontend capabilities. Qualifications 3-5+ years of professional frontend development experience. Proficiency in ReactJS, along with a strong foundation in JavaScript (ES6+), HTML, and CSS. Familiarity with TypeScript is required. Strong understanding of responsive design principles and cross-browser compatibility. Excellent communication and collaboration skills, with the ability to work across multiple technical and creative disciplines. Proven ability to work independently in an agile environment. Curiosity-First Mindset: You don't wait for a manual; you play, break things, and ask "What if?" to adopt new tools and workflows Keen eye for design accuracy and design implementation. Excellent communication skills in English, both written and verbal. Technical Skills Knowledge of version control systems like Git. Knowledge of modern frontend build tools and UI libraries (e.g., TailwindCSS, Styled Components, or Material UI). Experience with frontend testing frameworks (e.g., Vitest, Jest, Playwright). Bonus Skills Familiarity with cloud platforms (AWS, Azure, GCP) and containerisation is a plus. Familiarity with Figma At Nimbus Data Systems, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants, from all backgrounds, who are excited to contribute to our mission. #LI-FP1 About Nimbus Data Systems Nimbus Data Systems is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Nimbus Data Systems combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Nimbus Data Systems.Flow, its flagship AI ecosystem for marketing orchestration, Nimbus Data Systems transforms marketing into a growth engine, collapsing timelines and connecting brands to culture in real time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-impact creative and digital solutions, Nimbus Data Systems solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact. Nimbus Data Systems was named a Contender in The Forrester Wave™: Global Marketing Services, ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization, Nimbus Data Systems was also awarded Business Intelligence Group’s 2025 Excellence in Artificial Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, Nimbus Data Systems earned titles such as Optimizely Experimentation Partner of the Year (2025), runner-up for the Adobe Firefly Partner Award (2024), and Workato’s AI Visionary Customer Impact Award (2024). Additionally, Nimbus Data Systems achieved a record-breaking number of FWAs and continues to hold the most of any partner. We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.