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- Tasks: Build and scale an AI-powered productivity platform using modern tech.
- Company: Join a forward-thinking team focused on innovation and collaboration.
- Benefits: Competitive daily rate, remote work flexibility, and opportunities for growth.
- Other info: Dynamic, agile environment with a focus on impactful projects.
- Why this job: Shape the future of productivity with cutting-edge AI technology.
- Qualifications: Strong full-stack development experience, especially in React and Node.js.
We’re hiring a Senior Full Stack Engineer to join a team building a greenfield, AI-powered productivity platform designed to help teams automate workflows, surface contextual insights, and unlock internal knowledge using large language models. This is a hands-on engineering role where you’ll work across the full stack, shaping both product and architecture in a fast-moving, product-led environment.
What you’ll be doing:
- Taking ownership of building and scaling a modern full-stack application, including:
- Developing and maintaining a full-stack web platform using Next.js (React) on the frontend and Node.js (Express) on the backend
- Integrating Claude AI (Anthropic API) to deliver features such as document summarisation, semantic search, and conversational assistants
- Designing and building RESTful and GraphQL APIs to support real-time, dynamic user experiences
- Creating responsive, accessible UI components using modern React patterns (hooks, context, server components)
- Implementing secure authentication and authorisation using JWT and OAuth, including role-based access control
- Optimising application performance, improving page load times through code-splitting, caching, and backend tuning
- Building scalable data pipelines and prompt orchestration layers to improve AI response quality and reduce token usage
- Collaborating closely with product, design, and data teams in an agile delivery environment
- Owning CI/CD pipelines and cloud infrastructure across AWS and Vercel
Tech Stack:
- Frontend: React, Next.js, TypeScript
- Backend: Node.js, Express
- APIs: REST, GraphQL
- Data: PostgreSQL, Redis
- Cloud/Infra: AWS (Lambda, S3), Vercel, Docker
- AI: Claude (Anthropic API)
- Auth: JWT, OAuth
What we’re looking for:
- Strong experience building production-grade full-stack applications
- Solid knowledge of React/Next.js and Node.js ecosystems
- Experience working with APIs (REST and/or GraphQL)
- Familiarity with cloud platforms (AWS preferred) and modern deployment practices
- Exposure to AI/LLM integrations is highly desirable
- A pragmatic engineer who can move between frontend, backend, and infrastructure
Senior Full Stack Engineer in London employer: Explore Group
Contact Detail:
Explore Group Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Full Stack Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work with AI or full-stack development. A friendly chat can lead to insider info about job openings that aren't even advertised yet.
✨Tip Number 2
Show off your skills! Create a personal project or contribute to open-source projects that showcase your expertise in React, Node.js, and AI integrations. This not only boosts your portfolio but also gives you something tangible to discuss during interviews.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding the latest trends in full-stack development. Practice common algorithms and system design questions to impress your interviewers.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented engineers like you. Tailor your application to highlight your experience with the tech stack mentioned in the job description to stand out.
We think you need these skills to ace Senior Full Stack Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with full-stack applications, especially using React and Node.js. We want to see how your skills align with our tech stack, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about building AI-powered platforms and how your background makes you the perfect fit for this role. Keep it engaging and personal – we love a good story!
Showcase Your Projects: If you’ve worked on any cool projects, especially those involving AI or modern web technologies, make sure to mention them. We’re keen to see your hands-on experience, so links to GitHub or live demos are a big plus!
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. Plus, it shows you’re serious about joining our team!
How to prepare for a job interview at Explore Group
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, especially React, Next.js, Node.js, and AWS. Brush up on your knowledge of RESTful and GraphQL APIs, as you might be asked to discuss how you’ve implemented these in past projects.
✨Showcase Your Problem-Solving Skills
Be prepared to tackle some technical challenges during the interview. Think about how you would approach building scalable applications or optimising performance. Use examples from your previous work to illustrate your thought process and solutions.
✨Demonstrate Your Collaboration Experience
Since this role involves working closely with product, design, and data teams, be ready to share experiences where you’ve successfully collaborated in an agile environment. Highlight any specific projects where teamwork led to a successful outcome.
✨Prepare Questions About the Role
Interviews are a two-way street! Prepare insightful questions about the team dynamics, the AI integrations they’re working on, and their approach to CI/CD pipelines. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.