Our client is seeking a Lead Platform Engineer to join an innovative technology business developing agentic AI solutions for the UK lettings and estate agency sector. This permanent, full-time role offers the opportunity to lead platform development, build scalable systems and shape how engineering teams use AI in a fast-paced environment. The role is available from a London office or remotely.
Key Responsibilities:
- Architect, design and build scalable backend systems and RESTful APIs from initial concept through to production.
- Develop and maintain microservice and event-driven architectures supporting real-time operational workflows.
- Lead a small team of engineers, supporting delivery, reviewing code and maintaining a high technical standard.
- Set best practice for agentic AI development, including the use of Claude Code, LLMs and AI-powered engineering workflows.
- Contribute to technical strategy, architecture decisions and long-term platform planning alongside the Head of Engineering.
- Maintain secure, performant and reliable systems, services and data pipelines as the platform scales.
- Work closely with product teams to understand lettings workflows and develop technology that solves meaningful operational challenges.
- Drive technical improvements that support dependable delivery, quality assurance and continuous innovation.
Job Requirements:
- Significant hands-on software engineering experience, ideally within AI, SaaS, automation or other technology platforms.
- Strong expertise in Node.js and NestJS, with experience designing and building RESTful APIs and microservice-based systems.
- Practical knowledge of Kubernetes and Google Cloud Platform (GCP).
- Experience with API testing, automated testing and maintaining high standards of software quality.
- Understanding of agentic AI, large language models and the challenges of operating AI pipelines at scale.
- Experience with event-driven systems, secure data pipelines and cloud-native application development.
- Knowledge of Next.js and frontend development would be advantageous.
- Experience working with technologies such as PostgreSQL, MongoDB and vector databases such as Qdrant.
- Ability to lead engineers while remaining a highly capable hands-on builder and technical decision-maker.
- Degree-level education in Computer Science, Engineering, Mathematics or a related discipline.
What the Role Offers:
- Significant technical ownership from the outset, with the opportunity to influence architecture and engineering standards.
- Direct collaboration with senior leadership and access to strategic product and technology decisions.
- Flexible working from a London office or remotely.
- Opportunity to work at the forefront of agentic AI and automation within the property technology sector.
- Leadership responsibility within a small, ambitious and technically focused team.
- Scope to shape scalable systems used across the UK lettings and estate agency market.
This is an excellent opportunity for a Lead Platform Engineer who enjoys solving complex technical problems, leading from the front and building AI-enabled systems from the ground up. Apply now to take ownership of a critical technology platform and help define the future of agentic engineering.