Job ID: 379348Location: LondonType: Full TimeSalary: 65000 - 75000 per annumPosted: 2026-10-29Senior React & Node Developer (AI & Full Stack)Location: London (Hybrid – 3 days per week)Salary: 65,000 – 75,000 Job Type: PermanentPlease note: Applicants must have the right to work in the UK. Unfortunately, visa sponsorship is not available for this position.
Build the Next Generation of AI-Powered ProductsWe're working with an innovative technology company that's building a suite of next-generation AI products from the ground up. This isn't a role focused on maintaining legacy systems. You'll be part of a small, highly experienced engineering team responsible for transforming ambitious ideas into production-ready software.
Working closely with Product, Design and AI specialists, you'll take concepts from whiteboard sketches through to prototypes, proof of concepts, MVPs and ultimately scalable products.
If you enjoy solving complex problems, building products from scratch and leveraging AI throughout the software development lifecycle, this is an opportunity to make a genuine impact. The RoleAs a Senior Product Engineer, you'll work across the full stack, combining modern frontend development, backend engineering and cloud technologies to rapidly build and validate new AI-powered products.
You'll be heavily involved in architecture, technical design and proof-of-concept development, collaborating directly with stakeholders to transform ideas into working software. This is a hands-on engineering role where you'll also use AI-assisted development tools to improve productivity, review code and accelerate software delivery.
Key ResponsibilitiesDesign and build full-stack applications from concept through to production.
Develop proof of concepts, prototypes and MVPs for new AI-driven products.
Architect scalable, maintainable software solutions.
Build modern user interfaces using React and collaborate closely with UX/UI designers to deliver exceptional user experiences.
Develop backend services and APIs using Node.js, Express.js and Python.
Design and implement secure authentication and authorisation using OAuth.
Build and integrate cloud-native solutions on Microsoft Azure.
Containerise applications using Docker.
Conduct code reviews across React, Node.js, Express.js and Python applications.
Leverage AI-assisted development tools to improve engineering quality, productivity and code generation.
Collaborate with Product, Design and AI teams to shape technical direction.
Produce technical plans, solution designs and architectural documentation.
Work closely with customers and stakeholders to validate ideas before scaling products.
About YouYou'll be a highly capable full-stack engineer who enjoys working in fast-moving environments where experimentation and innovation are encouraged. You'll ideally have:7+ years' commercial software engineering experience.
Strong commercial experience with React.
Backend development experience using Node.js, Express.js and Python.
Experience collaborating with UX/UI designers to build intuitive digital products.
Strong understanding of software architecture and modern engineering practices.
Experience reviewing and mentoring developers across frontend and backend technologies. Experience using AI-assisted development tools (such as GitHub Copilot, Claude Code, Cursor or similar) to accelerate development and improve code quality.
Commercial experience building Proof of Concepts, MVPs and greenfield applications.
Experience working with Microsoft Azure.
Experience with Docker and containerised applications.
Strong understanding of OAuth, authentication and secure API design.
Experience designing and consuming REST APIs.
Excellent communication and stakeholder management skills. A proactive, product-focused mindset with a passion for solving complex problems.
Desirable
SkillsAI-powered application developmentLarge Language Models (LLMs)Generative AIMicroservicesGraphQLCI/CDInfrastructure as CodeEvent-driven architectureAgile product developmentAccessibility (WCAG)Technology StackReactTypeScriptJavaScriptNode.jsExpress.jsPythonMicrosoft AzureDockerOAuthREST APIsGitAI-assisted development toolsCI/CDWhat's on OfferCompetitive salaryHybrid working (3 days per week in the London office)Opportunity to build brand-new AI products from the ground upModern technology stackHighly collaborative engineering cultureGenuine ownership and autonomyExcellent career progressionWork alongside experienced Product, AI and Engineering leadersEligibilityApplicants must have the full right to work in the UK. Unfortunately, visa sponsorship is not available for this position
Senior React & Node Developer (AI & Full Stack) in London employer: Infused Solutions
Join a pioneering technology company in London that is at the forefront of AI innovation, offering a dynamic hybrid work environment and a competitive salary package. With a strong emphasis on employee growth, you will have the opportunity to lead cutting-edge projects while collaborating with a high-calibre engineering team. Enjoy excellent benefits, including 30 days of annual leave, equity options, and the chance to shape the future of AI-powered products.
