StepStone Group

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StaffSoftwareEngineer(AI)

London, United Kingdom FULL TIME
The Brief

“Staff Software Engineer (AI) at StepStone Group. Skills: agentic AI systems, Large Language Models, production-grade agentic AI systems, scalable, secure, reliable and observable architectures, AI-powered systems. Design, architect and deliver agentic, LLM-powered systems in AWS. Provide technical leadership to evolve AI solutions from experimentation into robust, observable and maintainable products”

What You'll Achieve.

ensuring production readiness, scalability, reliability and security; move our agentic AI capabilities beyond experimentation and into dependable products that operate safely and effectively at scale; align technical decisions with user needs, business priorities and long-term platform strategy; ensuring excellence across testing, monitoring, evaluation, guardrails and operational support; raise overall engineering quality

Industry & Context.

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What They're Looking For.

Must Have

Staff-level software engineering background, expertise in Python, at least one of Java, TypeScript or. NET, proven track record delivering production-grade systems, Experience designing, building and operating distributed systems on AWS (or similar cloud platforms), secure development, data protection, compliance, enterprise architecture principles, Hands-on experience integrating LLMs into production, use of APIs (e. g. OpenAI, Bedrock), prompt orchestration, tool usage, interaction patterns, Expertise in AI system design, state management, memory strategies, evaluation approaches, guardrails, observability, performance optimisation for LLM-powered systems, communication and influencing skills, experience mentoring engineers, driving high standards across teams, engaging both technical and non-technical stakeholders

Nice to Have

Kubernetes a plus

What You'll Do.

architect and deliver agentic

LLM-powered systems in AWS

Provide technical leadership to evolve AI solutions from experimentation into robust

observable and maintainable products

Define and drive engineering standards

tools and best practices for building responsible

consistent and scalable AI systems

Lead large-scale implementation and deployment

How You'll Work.

Team & Collaboration

Collaborate cross-functionally with product, engineering, ML and data teams; create alignment across teams; explain complex concepts clearly; help others make confident, pragmatic decisions; mentoring engineers

Communication Scope

communication and influencing skills; explain complex concepts clearly; clearly communicating architectural decisions

Process & Methodology

Lead large-scale implementation and deployment

Free ATS check

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