Backend Engineer

Back-End Engineer London (Hybrid, minimum 3 days in office) | £70,000 - £80,000 + Bonus + Benefits This is an opportunity to join a well-funded AI software business building next-generation enterprise technology. You'll play a key role in developing the backend systems that power complex workflows, AI-driven capabilities, and large-scale data processing, while helping shape engineering standards in a growing team. The Company They are developing an AI-powered platform that enables organisations to manage complex workflows, data sources, and decision-making processes more efficiently. Operating within a high-growth environment, they combine advanced AI capabilities with enterprise-grade reliability, security, and compliance. Their engineering team is highly collaborative, with a strong focus on product quality, innovation, and ownership. They are investing heavily in technology and offer the chance to make a meaningful impact from day one. The Role You will: - Design, build and maintain scalable backend services using Python and cloud-native technologies. - Develop APIs, workflow services and data platforms that support AI-powered products. - Build and optimise multi-tenant systems with a focus on security, reliability and auditability. - Work closely with engineering teams to integrate backend systems with AI and machine learning services. - Improve observability through monitoring, logging, testing and performance optimisation. - Contribute to architecture decisions and engineering best practices. - Support cloud infrastructure, deployment pipelines and production environments. - Help deliver highly available systems used by enterprise customers. Your Skills & Experience You will have: - Strong commercial experience building backend applications with Python and SQL. - Experience working with PostgreSQL and API development frameworks such as FastAPI. - A background developing SaaS, platform, or enterprise-scale systems. - Strong understanding of security, testing, observability and software engineering best practices. - Experience operating applications within AWS environments. - Familiarity with CI/CD pipelines, Linux and modern engineering workflows. - Regular use of AI-assisted development tools such as Cursor, Claude Code or similar. Desirable experience includes: - Java and Spring Boot. - Event-driven architectures and workflow orchestration. - LLM integrations or AI-powered products. - Experience within regulated or data-intensive industries. What They Offer - Competitive salary, bonus and benefits package. - The opportunity to build cutting-edge AI products with real-world impact. - High levels of ownership and influence over technical decisions. - Exposure to senior stakeholders and a collaborative engineering culture. - Strong progression opportunities as the team continues to grow. - Modern London office with a flexible hybrid working model. How to Apply If you're a Back-End Engineer looking to build scalable AI-powered products in a fast-growing environment, apply today to learn more.