At a Glance
- Tasks: Design and deliver impactful features for ad management using Next.js and React.
- Company: Join a fast-moving, profitable startup revolutionising ad automation.
- Benefits: Competitive salary, gym membership, 25 days holiday, and team offsites.
- Other info: Opportunity to grow into a Lead role as the company scales.
- Why this job: Shape the future of ad tech while working with experienced engineers and founders.
- Qualifications: 5+ years in production React/Next.js apps and strong state management skills.
The predicted salary is between 48000 - 72000 £ per year.
🚀 Senior Frontend Engineer – Next.js / React
Location: Monument WeWork in London
Type: Full-Time
About Admanage.ai
We’re building the Cursor for ad management.
Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every business access to enterprise-grade ad automation tools.
We make it easy to launch hundreds of ads in seconds, saving advertisers hours. And we’re building AI-powered tools to programmatically create, launch, and manage ads, which is where you come in.
We’re profitable, fast-moving, and backed by experience, not just ideas. We commit to GitHub multiple times a day and ship continuously.
Why This Role Rocks
This is a senior-level frontend role where you’ll design and deliver features that directly impact how the top advertisers launch and manage hundreds of thousands of ads per month. You’ll collaborate with the founding team (ex-Photoroom, ex-ZOE, ex-Nextdoor), shape our frontend architecture, and raise the bar for state management, testing, and performance.
You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested.
🔧 Tech Stack
Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion
State Management: Zustand
Testing: Vitest
Backend (light exposure): Node.js, Prisma, MySQL
Infra: R2 Cloudfalre, AWS S3, Vercel
Auth: NextAuth.js
APIs: Facebook Marketing API, TikTok Ads API
What You’ll Do
Architect and scale the frontend for an app launching 500,000+ ads/month
Implement robust state management to handle complex, async, and data-heavy workflows
Build production-grade testing frameworks (unit, integration, E2E) to support safe continuous deployment
Ship features end-to-end: idea → build → optimize for robust testing, speed and UX
You Might Be a Fit If You…
Have 5+ years building production React/Next.js apps
Are skilled at state management in large, complex apps
Believe testing is part of building, not an afterthought
Care about performance, UX, and clean design systems
Communicate clearly, move fast, and thrive in a startup culture
💡 Bonus Points For
Experience with ad APIs (Meta, TikTok, IG)
Prisma + MySQL experience
CI/CD pipeline knowledge (Vercel, GitHub Actions)
💰 Perks & Benefits
Thirdspace Gym membership
Competitive Salary
25 days holiday + bank holidays
WeWork Office in Monument
Team offsites (Past: Canada, South England)
Join Us If You Want To…
✅ Build alongside experienced engineers and founders
✅ Work with a modern stack and ship fast
✅ Solve hard UX and state management challenges in adtech
✅ Own what you build and shape our engineering culture
✅ Grow into a Lead role as the company scales
How to Apply
Send your GitHub, LinkedIn, and 2-3 lines on the hardest frontend problem you’ve solved lately. Bonus: links to anything you’ve built that makes you proud.
Interview Process
We start with a take home task where you’ll be asked to identify bugs in a sample github repo and indicate how you would fix it.
Senior Front End Engineer in London employer: AdManage.ai
At Admanage.ai, we pride ourselves on being an innovative and dynamic employer that empowers our team to make a real impact in the adtech space. Located in the vibrant WeWork at Monument, London, we offer a collaborative work culture where creativity thrives, alongside competitive salaries, generous holiday allowances, and opportunities for professional growth as you help shape our engineering culture. Join us to work with cutting-edge technology and experienced founders, all while enjoying perks like gym memberships and exciting team offsites.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Front End Engineer in London
✨Tip Number 1
Get your portfolio ready! Showcase your best projects, especially those using React and Next.js. We want to see what you've built and how you tackle complex problems.
✨Tip Number 2
Network like a pro! Connect with folks in the adtech space on LinkedIn or at meetups. We love seeing candidates who are engaged and passionate about the industry.
✨Tip Number 3
Prepare for the take-home task! Brush up on debugging and think through your problem-solving process. We’re looking for clear communication and solid reasoning.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love hearing directly from candidates who are excited about joining us!
We think you need these skills to ace Senior Front End Engineer in London
Some tips for your application 🫡
Show Off Your Skills:When you apply, make sure to highlight your experience with React and Next.js. We want to see how you've tackled complex frontend challenges, so don’t hold back on showcasing your best work!
Be Clear and Concise:In your application, keep it straightforward. We appreciate clarity, so make sure your GitHub and LinkedIn links are easy to find, and your thoughts on the hardest frontend problem you've solved are to the point.
Demonstrate Your Passion:Let us know why you're excited about working in adtech and what drives you to build great user experiences. A bit of personality goes a long way in making your application stand out!
Apply Through Our Website:We encourage you to submit your application through our website. It’s the best way for us to keep track of your application and ensure it gets the attention it deserves!
How to prepare for a job interview at AdManage.ai
✨Know Your Tech Stack
Make sure you’re well-versed in Next.js, React, and the other technologies mentioned in the job description. Brush up on state management techniques and testing frameworks like Vitest. Being able to discuss your experience with these tools will show that you’re ready to hit the ground running.
✨Showcase Your Problem-Solving Skills
Since the interview starts with a take-home task, be prepared to explain your thought process when identifying and fixing bugs. Highlight your approach to problem-solving and how you ensure robust testing. This will demonstrate your ability to tackle complex issues head-on.
✨Communicate Clearly
In a fast-moving startup environment, clear communication is key. Practice articulating your ideas and technical concepts succinctly. Be ready to discuss how you’ve collaborated with teams in the past and how you can contribute to shaping the frontend architecture at Admanage.ai.
✨Prepare Questions
Interviews are a two-way street! Prepare thoughtful questions about the company culture, the team dynamics, and the challenges they face in ad tech. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.
