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For Companies At a Glance
- Tasks: Design and build a next-gen AI workspace for enterprise teams.
- Company: Join an ambitious, well-funded AI company with a strong founding team.
- Benefits: Competitive salary, equity participation, and a chance to shape the future.
- Other info: Fast-paced international team with excellent career growth opportunities.
- Why this job: Make a real impact on a category-defining AI application platform.
- Qualifications: 5+ years in software engineering, strong skills in React, Python, and cloud platforms.
The predicted salary is between 60000 - 80000 £ per year.
We are hiring a Full-Stack Engineer to help build a next-generation AI workspace used by demanding enterprise teams in sectors such as investment banking, private equity, consulting, and asset management. This is a high-impact engineering role for someone who wants to work across the stack, ship meaningful product quickly, and help shape a platform already being used by major global institutions.
What You'll Work On
- Design, build, and scale core product features across the frontend, backend, and infrastructure layer, including:
- Building high-quality frontend applications using React and Next.js
- Developing, testing, and deploying backend services and APIs, ideally using Python, Django, or FastAPI
- Working closely with founders, product, growth, design, and engineering teams to turn complex user needs into elegant product experiences
- Improving system scalability, performance, reliability, and security
- Implementing and maintaining CI/CD pipelines, automated testing, monitoring, and deployment workflows
- Contributing to cloud infrastructure planning and optimisation across AWS, GCP, or Azure
- Working with Docker, Kubernetes, and modern deployment environments
- Building and maintaining background processing systems using tools such as Celery, RQ, or similar task queues
- Using Redis for caching, pub/sub, job queues, and performance optimisation
- Supporting engineering quality through clean architecture, strong development practices, and mentoring less experienced engineers where appropriate
What We're Looking For
- 5+ years of professional software engineering experience
- Strong production experience with React and Next.js
- Solid backend engineering ability, preferably with Python
- Experience building and maintaining APIs, services, and scalable application architecture
- Strong understanding of relational and/or NoSQL databases
- Confident use of Git and collaborative engineering workflows
- Experience with cloud platforms such as AWS, GCP, or Azure
- Practical knowledge of containerisation, CI/CD, automated testing, and monitoring
- Hands-on experience with background workers, async processing, and task queues
- Strong familiarity with Redis and modern performance optimisation patterns
- A product-minded approach and interest in building AI-enabled tools for sophisticated enterprise users
Why This Role Is Interesting
This is an opportunity to join an ambitious, well-funded AI company at an early and meaningful stage. The founding team has a strong track record building and exiting venture-backed companies, and the product is already being deployed with high-profile global customers. You will be joining a fast-moving, international team across major financial and commercial hubs, with the chance to help build what could become a category-defining AI application platform for enterprise users. The package includes competitive compensation, equity participation, and the opportunity to play a key role in building a generational company.
Apply now.
Senior Full Stack Engineer in London employer: W3 Global Sourcing
Contact Detail:
W3 Global Sourcing 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 folks in your industry on LinkedIn, especially those who work at companies you're interested in. A friendly message can go a long way in getting your foot in the door.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those using React, Python, or any tech mentioned in the job description. This gives potential employers a taste of what you can do.
✨Tip Number 3
Prepare for interviews by practising common technical questions and coding challenges. Use platforms like LeetCode or HackerRank to sharpen your skills. Remember, confidence is key!
✨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 about their job search.
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 reflects the skills and experiences that match the Senior Full Stack Engineer role. Highlight your experience with React, Python, and any cloud platforms you've worked with. We want to see how you can contribute to our next-gen AI workspace!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're excited about this role and how your background aligns with our mission at StudySmarter. Be genuine and let your personality come through – we love seeing the real you!
Showcase Your Projects: If you've worked on any relevant projects, make sure to mention them in your application. Whether it's a personal project or something from your previous job, we want to see your hands-on experience with building scalable applications and using modern tech stacks.
Apply Through Our Website: We encourage you to apply directly through our website for the best chance of getting noticed. It helps us keep track of applications and ensures you’re considered for the role. Plus, it’s super easy – just a few clicks and you’re done!
How to prepare for a job interview at W3 Global Sourcing
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, especially React, Next.js, and Python. Brush up on your knowledge of APIs and scalable architecture, as you’ll likely be asked to discuss your experience with these during the interview.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous roles and how you overcame them. Think about examples where you improved system performance or reliability, as this will demonstrate your ability to contribute to the company's goals.
✨Understand the Company’s Vision
Research the company and its product offerings, especially their focus on AI-enabled tools for enterprise users. Being able to articulate how your skills align with their mission will show that you’re genuinely interested in the role and the company.
✨Prepare Questions for Them
Have a few thoughtful questions ready to ask at the end of the interview. This could be about their engineering practices, team dynamics, or future product plans. It shows that you’re engaged and thinking critically about how you can fit into their team.