Fintech Lab Engineer (Manager or Senior Consultant level) - Fintech Lab - Permanent - London
Ernst and Young14 days ago
London, United KingdomSenior / Staff+
Responsibilities
- Lead rapid prototype development using agent-driven engineering approaches.
- Architect, build, and deploy complex agentic systems, including agent-to-agent communication.
- Design auditable, traceable, and observable AI-enabled systems with monitoring and evaluation mechanisms.
- Develop APIs, microservices, intuitive interfaces, and human-in-the-loop workflows.
- Define and maintain engineering standards covering quality, security, testing, and production readiness.
- Research emerging technologies and identify, assess, and prioritize opportunities with clients and internal stakeholders.
- Present technical recommendations and translate complex concepts for technical and non-technical audiences.
- Manage multiple workstreams through planning, prioritization, and communication.
- Share reusable engineering patterns, lessons learned, and technology best practices across EY.
Requirements
- At least 4 years of experience in software engineering and/or technology consulting.
- Experience with at least two modern programming languages, such as TypeScript, Python, Java, or Go.
- Proven ability to architect, build, and deploy complex agentic systems.
- Experience developing APIs and microservices.
- Good understanding of frontend technologies such as React and Next.js.
- Experience managing at least one cloud platform, such as Azure, AWS, or GCP.
- Experience with AI development frameworks, foundation model platforms, vector databases, structured outputs, tracing, and evaluation techniques.
- Experience applying testing, CI/CD, DevOps, observability, secure development, code quality, architecture reviews, and production-readiness practices.
- Strong client engagement, communication, engineering judgment, user-centred thinking, and stakeholder management skills.
- Preferred experience building complex systems including MCP servers.
- Preferred experience with spec-driven development and configuring coding agents.
- Preferred experience designing human-in-the-loop workflows for AI-supported decisions.
- Preferred evidence of personal projects, open-source contributions, prototypes, or a relevant technical portfolio.
- Previous consulting experience managing client expectations and delivery timelines is desirable.
Benefits
- Competitive remuneration package based on individual and team performance.
- Flexible working support and career development.
- Flexible benefits through MyReward, including holidays, health and well-being, insurance, savings, discounts, offers, and promotions.
- Continuous learning, coaching, leadership development, and an inclusive culture.
- Permanent position based in London.
Tech Stack
Categories
About Ernst and Young
Ernst & Young (EY) provides audit/assurance, tax, consulting, strategy and transactions services to enterprises, financial institutions, and public‑sector clients. Structured as a global network of partner‑owned member firms, it sells professional services on a fee basis, including a dedicated Financial Services Organization for banking, insurance, and capital markets. Headquartered in London, EY was formed in 1989 from the merger of Ernst & Whinney and Arthur Young, and operates in 150+ countries.