Senior Frontend Engineer

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 Monks may contact potential candidates via LinkedIn, all applications must be submitted through our official website (monks.com/careers).Build interfaces people actually enjoy using. About the Role We build production web interfaces for clients, and we care about how they feel, not just whether they work. As a Senior Frontend Engineer, you build the React / Next.js interfaces that people rely on every day, with a real eye for detail, accessibility, and performance. You'll work inside a Monks delivery team, alongside design, product, and backend engineers, owning the experience end users actually touch. We're all-in on agentic engineering. Tools like Claude Code and Codex are part of our everyday workflow, and we're looking for people who are genuinely fluent working alongside AI coding agents and excited to push those practices further. Who You Are Craft-minded: you care about the small details that make an interface feel right. User-focused: you build for the people using the product, not just the spec. A pragmatic problem-solver: you balance polish with shipping. A clear communicator: you work tightly with design and speak up early. What You'll Do Build responsive, accessible interfaces in React / Next.js and TypeScript. Turn designs into clean, reusable, well-structured components. Integrate with backend APIs and handle real-world states gracefully. Review code, including AI-generated code, for quality and consistency. Keep performance and accessibility high across the product. Collaborate with design, product, and backend to ship end to end. What You Bring 5+ years in frontend development with strong React, Next.js, and TypeScript. Strong modern CSS, responsive layout, and accessibility fundamentals. Solid component architecture and design-system sensibilities. Comfortable integrating and debugging against APIs. Good testing habits. Strong English communication skills. Comfortable in a fast-paced, agile consulting environment. Extra Credit You've built data-dense dashboards or data visualizations. Real fluency with Figma and design handoff. Animation and interaction-design chops. Experience designing UX for AI-powered products. Open-source work you're proud to link.LI-PP1LI-RemoteAbout Monks Monks is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Monks.Flow, its flagship AI ecosystem for marketing orchestration, Monks 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, Monks solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact. Monks 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, Monks 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, Monks 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, Monks 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.