Senior GenAI Platform Engineer - Artificial Intelligence

Bloomberg is hiring a Senior GenAI Platform Engineer - Artificial Intelligence in London, United Kingdom. Level rates it ; you can apply on Level.

AI in this role

llamaindexlanggraph

Bloomberg’s Engineering AI department has 400+ AI practitioners building highly sought after products and features that often require novel innovations. We are investing in AI to build better search, discovery, and workflow solutions using technologies such as transformers, gradient boosted decision trees, large language models, and dense vector databases. We are expanding our group and seeking highly skilled individuals who will be responsible for contributing to the team (or teams) of Machine Learning (ML) and Software Engineers that are bringing innovative solutions to AI-driven customer-facing products.
At Bloomberg, we believe in fostering a transparent and efficient financial marketplace. Our business is built on technology that makes news, research, financial data, and analytics on over 35 million financial instruments searchable, discoverable, and actionable across the global capital markets.
Bloomberg has been building Artificial Intelligence applications that offer solutions to these problems with high accuracy and low latency since 2009. We build AI systems to help process and organize the ever-increasing volume of structured and unstructured information needed to make informed decisions. Our use of AI uncovers signals, helps us produce analytics about financial instruments in all asset classes, and delivers clarity when our clients need it most. We are looking for Senior GenAI Platform Engineers with strong expertise and passion for building platforms, especially for GenAI systems.
As a Senior GenAI Platform Engineer, you will have the opportunity to create a more cohesive, integrated, and managed GenAI development life cycle to enable the building and maintenance of our ML systems. Our teams make extensive use of open source technologies such as Kubernetes, KServe, MCP, Envoy AI Gateway, Buildpacks and other cloud-native and GenAI technologies. From technical governance to upstream collaboration, we are committed to enhancing the impact and sustainability of open source.
Join the AI Group as a Senior GenAI Platform Engineer and you will have the opportunity to:

Architect, build, and diagnose multi-tenant GenAI platform systems
Work closely with GenAI application teams to design seamless workflows for continuous model training, inference, and monitoring
Interface with GenAI experts to understand workflows, pinpoint and resolve inefficiencies, and inform the next set of features for the platforms
Collaborate with open-source communities and GenAI application teams to build a cohesive development experience
Troubleshoot and debug user issues
Provide operational and user-facing documentation

We are looking for a Senior GenAI Platform Engineer with:

Proven years of experience working with an object-oriented programming language (Python, Go, etc.)
Experience with GenAI technologies like MCP, A2A, Langgraph, LlamaIndex, Pydantic AI, SDKs and AI-assisted coding tools
A Degree in Computer Science, Engineering, Mathematics, similar field of study or equivalent work experience
An understanding of Computer Science fundamentals such as data structures and algorithms
An honest approach to problem-solving, and ability to collaborate with peers, stakeholders and management

We give back to the technology community and you can read more about our outreach at: [1] http://www.techatbloomberg.com/ai
If indicated, please note that years of experience are a guide; we will consider applications from all candidates who can demonstrate the skills necessary for the role. Discover what makes Bloomberg unique - watch our podcast series for an inside look at our culture, values, and the people behind our success.

How we rate this

Senior GenAI Platform Engineer - Artificial Intelligence at Bloomberg rates 87 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.

Classification

Builds AI. The job is building AI systems.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.

Key facts

Senior GenAI Platform Engineer - Artificial Intelligence is an open job at Bloomberg.
Level rates this role AI Level 4 of 4: Builds AI.
The role is based in London, United Kingdom.
The job was posted on October 13, 2026.
Seniority: senior.
Applications are handled by Bloomberg. Apply on Bloomberg

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

LlamaIndexLangGraph

Questions you could be asked

What's a project where you used LlamaIndex hands-on?
Walk me through how you've used LangGraph in your day-to-day work.
How would you decide a model or AI system is ready to ship?
Tell me about a time a model underperformed in production. How did you find out, and what did you change?

Adapt your resume

List these exact terms on your resume: LlamaIndex and LangGraph. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.

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