StepStone Group

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StaffSoftwareEngineer(AI)

London, England, United Kingdom FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for mid candidates.

The Brief

“Staff Software Engineer (AI) at StepStone Group. Skills: agentic AI systems, Large Language Models, scalable, secure, reliable and observable architectures, AWS, Python. 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.

move our agentic AI capabilities beyond experimentation and into dependable products that operate safely and effectively at scale; ensure production readiness, scalability, reliability and security; ensure excellence across testing, monitoring, evaluation, guardrails and operational support; raise overall engineering quality

Industry & Context.

job platform

What They're Looking For.

Must Have

Staff-level software engineering background, expertise in Python, 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

at least one of Java, TypeScript or. NET, 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; help others make confident, pragmatic decisions; engaging both technical and non-technical stakeholders

Communication Scope

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

Process & Methodology

Lead large-scale implementation and deployment

Full Job Description

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 3,000+ employees and be part of reshaping the labour market and becoming the world’s leading job platform. We are recruiting for a Staff Software Engineer (AI) to help design, build and evolve production-grade agentic AI systems. This is a strategic, hands-on engineering leadership role focused on integrating Large Language Models into scalable, secure, reliable and observable architectures. This is an individual contributor leadership role with no direct line management responsibility. You will help move our agentic AI capabilities beyond experimentation and into dependable products that operate safely and effectively at scale across our global marketplace. Working closely with software engineers, machine learning engineers, data scientists, product managers, analysts and technical leaders, you will shape how we build, test, deploy, monitor and govern AI-powered systems. Success in this role will depend as much on influence and communication as on technical depth. You will need to create alignment across teams, explain complex concepts clearly, and help others make confident, pragmatic decisions. Your responsibilities * Design, architect and deliver agentic, LLM-powered systems in AWS, ensuring production readiness, scalability, reliability and security. * Provide technical leadership to evolve AI solutions from experimentation into robust, observable and maintainable products. * Collaborate cross-functionally with product, engineering, ML and data teams to align technical decisions with user needs, business priorities and long-term platform strategy. * Define and drive engineering standards, reusable patterns, t

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