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For Companies At a Glance
- Tasks: Architect and evolve an AI-native platform using React and TypeScript.
- Company: Join a leading AI-driven SaaS company redefining the future of work.
- Benefits: Competitive salary, hybrid work model, and opportunities for professional growth.
- Why this job: Be at the forefront of AI-powered collaboration and tackle exciting front-end challenges.
- Qualifications: 8+ years in web applications, strong front-end architecture skills, and a passion for mentoring.
- Other info: Work with a global team and enjoy an ownership culture.
Stax is proud to be representing a leading, well-funded AI-driven SaaS company that is redefining the future of work. This organisation is building an AI-native platform that unifies data, drives intelligent insights, and empowers collaboration across teams and customers. Its mission is to remove friction, break down silos, and enable people to focus on solving bigger problems, building better products, and delivering exceptional customer experiences.
What You’ll Do
- Architect the platform: Define patterns, conventions, and tooling that keep the React + TypeScript codebase fast, modular, and maintainable.
- Evolve design systems: Lead on design tokens, accessibility standards, and Storybook workflows to drive consistency and speed in development.
- Scale data-driven UIs: Build frameworks for rendering billions of rows, real-time charts, and AI-assisted insights while maintaining Core Web Vitals.
- Enhance developer experience: Champion CI/CD pipelines, testing strategies, and local development ergonomics to enable engineers to ship quickly and confidently.
- Mentor and uplift: Coach senior engineers, review critical code, and run architecture workshops to raise the overall engineering bar.
- Collaborate deeply: Partner with cross-functional teams to translate complex, ambiguous problems into elegant, scalable solutions.
Tech Ecosystem
- React
- TypeScript
- Vite
- Next.js
- WebAssembly (DuckDB, WebGPU)
- D3/visx
- Storybook
- Tailwind CSS
- Jest
- Cypress
- Playwright
What You Bring
- 8+ years building and evolving large-scale web applications.
- Proven track record in front-end architecture (modular codebases, micro-frontends, design systems, scalability).
- Strong portfolio of data-heavy, real-time UIs and reusable component libraries.
- Expertise in TypeScript, CSS methodologies (Tailwind, CSS Modules, CSS-in-JS), and modern testing frameworks.
- Passion for developer experience, tooling, and mentoring.
- Degree in Computer Science or equivalent experience.
- Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines.
How They Work
- Speed with craftsmanship: Continuous delivery, short feedback loops, and peer review excellence.
- Performance first: Time-to-Interactive, bundle size, and UX performance are treated as product metrics.
- Inclusive and global: Work with talented engineers across the US, Europe, and India.
- Ownership culture: Engineers architect, guide, measure, and iterate with autonomy.
Why Apply?
This is a chance to join a hyper-growth company at the forefront of AI-powered collaboration, tackling some of the most exciting challenges in front-end engineering today. Interested? Reach out to Stax for a confidential discussion. Please be advised that, owing to the expected volume of applications, we may only be able to contact candidates selected for further consideration.
Contact Detail:
Stax - Deeptech Talent Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Frontend Engineer (Product) - AI SaaS - London (Hybrid)
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those involving React and TypeScript. We want to see your work in action, so make it easy for potential employers to see what you can do.
✨Tip Number 3
Prepare for interviews by practising common technical questions and coding challenges. We recommend doing mock interviews with friends or using platforms that simulate real interview scenarios to boost your confidence.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Senior Frontend Engineer (Product) - AI SaaS - London (Hybrid)
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Senior Frontend Engineer role. Highlight your expertise in React, TypeScript, and any relevant projects that showcase your ability to build scalable applications.
Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about AI-driven SaaS and how your background makes you a perfect fit for our team. Share specific examples of your work that demonstrate your problem-solving skills and collaborative spirit.
Showcase Your Portfolio: If you've got a portfolio of your work, don’t hold back! Include links to projects that highlight your experience with data-heavy UIs and design systems. We love seeing real-world applications of your skills!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity. Plus, it shows us you’re keen on joining our team!
How to prepare for a job interview at Stax - Deeptech Talent
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in React, TypeScript, and the other technologies mentioned in the job description. Be ready to discuss your experience with them, especially in building scalable, data-heavy applications. Brush up on any relevant frameworks like Vite or Next.js, as they might come up during technical discussions.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous projects and how you tackled them. This role involves translating complex problems into elegant solutions, so having concrete examples of your thought process will impress the interviewers. Think about how you’ve used design systems or CI/CD pipelines to enhance developer experience.
✨Demonstrate Your Mentorship Experience
Since mentoring is a key part of this role, be ready to share your experiences coaching other engineers. Discuss how you’ve uplifted teams, conducted architecture workshops, or reviewed critical code. This shows that you not only have the technical skills but also the leadership qualities they’re looking for.
✨Emphasise Collaboration and Communication
This company values deep collaboration across teams, so highlight your experience working with cross-functional teams. Prepare to discuss how you’ve effectively communicated complex ideas to non-technical stakeholders and how you’ve contributed to a positive team culture. Being able to articulate your thoughts clearly will set you apart.
