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- Tasks: Design and build scalable backend systems for a cutting-edge AI platform.
- Company: Fast-scaling AI product company with an ambitious engineering team.
- Benefits: Competitive salary, high autonomy, and opportunity to shape backend architecture.
- Why this job: Join a collaborative team and make a real impact in the AI space.
- Qualifications: Strong NodeJS experience and solid understanding of scalable architecture.
- Other info: Hybrid work model with excellent career growth opportunities.
The predicted salary is between 72000 - 84000 £ per year.
A fast-scaling AI product company is looking for a Senior Backend Developer to help build and scale a next-generation platform. This is a high-impact role within a small, ambitious engineering team, suited to someone who enjoys ownership and building robust systems from the ground up.
Location: Hybrid in London office (1 day per week Max)
What you’ll be doing:
- Design and build scalable, production-grade backend systems
- Develop high-performance APIs and event-driven architectures
- Work with GraphQL and modern backend frameworks to power core product features
- Ensure reliability through monitoring, logging and resilient system design
- Collaborate closely with product, frontend and design teams to ship features end-to-end
- Contribute to architectural decisions as the platform scales
- Support AI and LLM-driven functionality within the product
What you’ll need:
- Strong commercial experience with NodeJS
- Experience with GraphQL, ideally within a structured backend framework
- Solid understanding of PostgreSQL and data modelling
- Strong system design skills and understanding of scalable architecture
- Experience building secure, enterprise-ready APIs
- Exposure to AI or LLM integrations
- Comfortable working in fast-moving, high-ownership environments
Nice to have:
- Experience with GCP
- Familiarity with infrastructure as code
- Background in a dev studio, product studio or agency environment
What’s on offer:
- Salary between £90,000 - £100,000
- Opportunity to shape backend architecture in a growing AI product business
- High autonomy and real ownership
- Work within a technically strong, collaborative team
If you’re a backend engineer who enjoys building scalable systems and taking technical ownership, I’d be keen to speak.
Node.JS Engineer in London employer: Digital Waffle
Contact Detail:
Digital Waffle Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Node.JS Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work with Node.js or in AI. A personal recommendation can make all the difference when you're trying to land that dream job.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those involving scalable systems and APIs. This is your chance to demonstrate your expertise in Node.js and GraphQL, so make it shine!
✨Tip Number 3
Prepare for technical interviews by brushing up on system design and architecture principles. Be ready to discuss how you've built robust systems in the past and how you can contribute to the company's growth.
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Plus, it gives you a better chance to stand out and show us why you're the perfect fit for our ambitious engineering team.
We think you need these skills to ace Node.JS Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with NodeJS and any relevant backend frameworks. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about this role and how your background in building scalable systems makes you a perfect fit for our team. Keep it engaging and personal.
Showcase Your Projects: If you've worked on any cool projects, especially those involving GraphQL or AI integrations, make sure to mention them. We love seeing real-world applications of your skills, so include links if possible!
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 don’t miss out on any important updates from our team!
How to prepare for a job interview at Digital Waffle
✨Know Your Node.js Inside Out
Make sure you brush up on your Node.js skills before the interview. Be ready to discuss your past projects, focusing on how you've built scalable systems and developed high-performance APIs. They’ll want to see your understanding of the framework and how you’ve applied it in real-world scenarios.
✨Showcase Your System Design Skills
Prepare to talk about system design and architecture. Think about examples where you’ve designed robust systems from scratch. Be ready to explain your thought process and the decisions you made, especially regarding scalability and reliability.
✨Familiarise Yourself with GraphQL
Since they’re looking for experience with GraphQL, make sure you can discuss its benefits and how you’ve implemented it in previous roles. If you have any specific examples of projects where you used GraphQL, be sure to highlight those during the interview.
✨Emphasise Collaboration and Ownership
This role requires working closely with product, frontend, and design teams. Be prepared to share experiences that demonstrate your ability to collaborate effectively and take ownership of your work. Highlight instances where you’ve contributed to architectural decisions or led a project to success.
