AI Engineer in London

About Unity Advisory

Unity Advisory is a new-generation professional services firm built for an AI-enabled world. We operate a lean, conflict-free, and client‑centric model that integrates advanced technology and AI into every workstream. With no audit practice, we are free from traditional conflicts and legacy silos. This allows us to move faster, collaborate openly, and focus entirely on creating value for clients. Our flat structure and collaborative culture empower exceptional people to deliver exceptional work. We combine deep advisory expertise with cutting‑edge data, AI, and commercial insight to help clients navigate complex challenges faster, smarter, and with greater clarity. At Unity, we are redefining how expert advisory is delivered—one innovative engagement at a time.

The Role

We are looking for a highly capable and pragmatic AI Engineer to join Unity Advisory in an internal‑facing role, working on one of our core AI initiatives that underpins how the firm operates and delivers value. This is a dedicated engineering‑focused role responsible for building, scaling, and maintaining AI‑powered systems used internally across the business. You will work closely with senior leadership, product, data, and engineering stakeholders to design and deliver robust, production‑grade AI solutions that support how the firm operates and scales. This is a hands‑on role suited to someone who enjoys building real systems, solving complex problems, and working at the intersection of AI, software engineering, and commercial impact.

What You’ll Do

• Design, build, and maintain AI‑driven applications and services used internally across the firm.
• Develop and deploy AI‑powered workflows and systems that improve productivity, insight generation, and decision‑making.
• Work closely with product, data, and domain experts to translate business problems into scalable technical solutions.
• Build reliable services, APIs, and pipelines to support AI use cases in production environments.
• Apply best practices for developing, evaluating, and operating AI systems in live environments.
• Integrate AI solutions with existing internal tools, data platforms, and workflows.
• Ensure solutions are secure, well‑documented, observable, and aligned with internal governance standards.
• Contribute to architectural decisions and the long‑term evolution of the firm’s internal AI platform.
• Stay current with developments in AI engineering practices and emerging approaches, bringing relevant innovation into the business.

What You Bring

• Strong experience as a software engineer, AI engineer, or applied machine learning engineer working on production systems.
• Experience building end‑to‑end applications that incorporate AI or data‑driven components.
• Solid engineering fundamentals, including:

• Modern software development practices and patterns
• Designing and operating APIs and backend services
• Working with both structured and unstructured data

Nice to Have

• Experience working with search, retrieval, or knowledge‑based AI systems.
• Exposure to practices for deploying, monitoring, and maintaining AI systems at scale.
• Background in data engineering, analytics engineering, or applied machine learning.
• Experience building internal platforms, tools, or shared services.
• Familiarity with professional services, advisory, or project‑based environments.

Working at Unity Advisory

A truly hybrid and flexible working environment. We offer the opportunity to be at the forefront of AI‑driven advisory services. You’ll be part of a high‑impact finance function, empowered to shape how we scale our systems and processes. This is an exciting opportunity to join a fast‑growing business and accelerate your finance career.

Additional Information

At Unity Advisory, we are committed to providing an inclusive and accessible recruitment process. In line with the Equality Act 2010, we will accommodate any suitable candidate requiring assistance to attend or conduct an interview. If you need any adjustments or support, please let us know when either scheduling your interview or in your application cover letter. We are dedicated to ensuring everyone has an equal opportunity to succeed and are here to support you throughout the process.

PLEASE NOTE: We do not accept unsolicited CVs from third‑party agencies.