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- Tasks: Design and develop scalable backend systems for AI-driven applications.
- Company: Join a leading tech firm in London focused on innovation.
- Benefits: Attractive salary, flexible work options, and opportunities for growth.
- Other info: Collaborative environment with a focus on high-performance solutions.
- Why this job: Shape the future of AI technology while working with cutting-edge tools.
- Qualifications: 5-9 years of backend development experience, especially with Python.
The predicted salary is between 80000 - 100000 £ per year.
This role is for one of the Weekday's clients.
Salary range: Rs - Rs (ie INR 130-160 LPA)
Min Experience: 5 years
Location: London
Job Type: full-time
We are seeking a Senior Backend Engineer to build and scale intelligent backend systems powering AI-driven applications. This role focuses on designing robust APIs, developing scalable microservices, and integrating advanced AI capabilities such as Large Language Models (LLMs) and agentic workflows into production environments. You will play a key role in shaping backend architecture, enabling seamless communication between systems, and ensuring high performance, reliability, and scalability. Working closely with product, AI, and engineering teams, you will help translate complex requirements into efficient, production-ready solutions.
Key Responsibilities
- Design and develop scalable backend systems using Python and modern frameworks like FastAPI
- Build and maintain RESTful APIs and microservices architecture for high-performance applications
- Integrate and operationalize LLMs and agentic AI workflows into backend systems
- Collaborate with AI/ML teams to deploy and optimize intelligent features in production
- Work with databases such as PostgreSQL, MongoDB, and Redis for efficient data handling
- Ensure system reliability, performance optimization, and scalability across services
- Contribute to architectural decisions and evaluate trade-offs for backend design
- Collaborate with cross-functional teams to deliver end-to-end product features
- Troubleshoot, debug, and resolve complex production issues
- Follow best practices in code quality, testing, and deployment
What Makes You a Great Fit
5-9 years of backend development experience.
Backend Engineer in London employer: Weekday AI (YC W21)
Contact Detail:
Weekday AI (YC W21) Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Backend 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 and backend systems. A friendly chat can lead to referrals or insider info about job openings.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Python, FastAPI, and microservices. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for technical interviews by brushing up on system design and coding challenges. Practice makes perfect, so use platforms like LeetCode or HackerRank to sharpen your skills before the big day.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who are proactive and engaged in their job search.
We think you need these skills to ace Backend Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Python and modern frameworks like FastAPI. We want to see how you've designed scalable backend systems and built robust APIs, so don’t hold back on those details!
Showcase Your Projects: Include specific examples of projects where you’ve integrated AI capabilities or worked with databases like PostgreSQL or MongoDB. This will help us understand your hands-on experience and how you tackle real-world challenges.
Be Clear and Concise: When writing your cover letter, keep it straightforward. We appreciate clarity, so explain why you’re a great fit for the role and how your skills align with our needs without going off on tangents.
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 the role. Plus, it’s super easy!
How to prepare for a job interview at Weekday AI (YC W21)
✨Know Your Tech Stack
Make sure you’re well-versed in Python and frameworks like FastAPI. Brush up on your knowledge of RESTful APIs and microservices, as these will be key topics during the interview. Be ready to discuss your past projects and how you’ve implemented these technologies.
✨Showcase Your Problem-Solving Skills
Prepare to tackle some technical challenges or case studies during the interview. Think about how you would approach integrating AI capabilities or optimising backend performance. Practising common coding problems can help you feel more confident when faced with real-time problem-solving.
✨Understand the Company’s Needs
Research the client’s business model and how they leverage AI-driven applications. Tailor your responses to show how your experience aligns with their goals, especially in terms of building scalable systems and collaborating with cross-functional teams.
✨Ask Insightful Questions
Prepare thoughtful questions that demonstrate your interest in the role and the company. Inquire about their current backend architecture, challenges they face, or how they envision the integration of LLMs into their systems. This shows you’re not just interested in the job, but also in contributing to their success.