> Markdown version of [/jobs/ext/3525543-senior-fullstack-engineer-marketing](https://www.wearedevelopers.com/jobs/ext/3525543-senior-fullstack-engineer-marketing). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Fullstack Engineer, Marketing - **Company:** gb Hook - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £85,000.0 - £105,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Big Data, Django Web Framework, Python (Programming Language), Software Maintenance, Systems Integration, ReactJS, Flask (Web Framework), Backend, Fastapi, Machine Learning Operations, Front End Software Development, Api Design - **Published:** October 1, 2026 - **Apply:** https://www.totaljobs.com/job/senior-full-stack-engineer/hook-job108065084 ## About the Role We're looking for an ambitious, collaborative engineer who enjoys solving difficult problems and wants to make a meaningful impact in a fast-growing company. You'll ideally have: Experience building production software across both frontend and backend technologies (backend-focused) Strong experience with Python and frameworks such as FastAPI, Django or Flask Experience designing, building and operating software in production environments Experience working with APIs and integrating third-party services Strong communication skills and the ability to collaborate effectively across technical and non-technical teams A pragmatic approach to problem-solving and a passion for writing high-quality software Desirable Experience with cloud platforms such as AWS Experience working with AI-powered products, machine learning systems or data-intensive applications Experience designing scalable distributed systems ## Description As a Senior Software Engineer at Hook, you'll work across the stack (with a backend focus) to build products and platform capabilities that directly impact our customers. Your day-to-day will include: Working closely with engineers, product managers and designers to design and deliver customer-facing features Building clean, well-tested and maintainable software across our Python backend and React frontend Owning significant areas of our architecture and driving technical improvements Designing scalable APIs, services and data models Reviewing code and mentoring other engineers through thoughtful, constructive feedback Improving engineering practices, tooling and development workflows across the team Monitoring, maintaining and improving the performance and reliability of our production systems Integrating with third-party platforms and services to extend our product capabilities As we continue to grow, you'll have the opportunity to take ownership of increasingly complex technical challenges and help shape both our product and engineering organisation.