Senior AI Solutions Engineer
Location: Wimbledon, United Kingdom; Stockholm, Sweden
Contract Type: Full Time Permanent
Job Reference ID: 11494
ApplyOur DevOps culture is strong: we believe in “release small, release often.” Thanks to our fully automated CI/CD pipelines, we push over 13,000 releases to production every year, delivering value to customers in real time. We use modern technologies across backend, frontend, apps, data and infrastructure, and we’re continuously evolving. We tackle complex engineering challenges such as real-time scalability, database migrations with no downtime, and peak transaction loads, all while maintaining an exceptional and safe customer experience.
Turning skills into thrills
- Technical Expertise
- Strategic Thinking and Innovative
- Adaptive Problem-Solving & Experimentation
- Cross-Functional Collaboration
- Agility & Adaptability
- Curiosity & Continuous Learning
Turning skills into thrills
United by our three values
Striving for excellence and beyond
Taking ownership and upholding high standards every day
As one team, we achieve more
Senior AI Solutions Engineer
About the role
As a Senior AI Solutions Engineer, you'll design, build, and run AI solutions that make a real difference in day-to-day decision-making across the business. This is a hands-on engineering role focused on shipping AI into production, not prototypes.
You'll work across Python + Java microservices, LLM/RAG systems, vector search, and data pipelines, deploying to AWS (incl. Bedrock) and Azure (Azure AI Foundry). You'll partner closely with the Lead AI Solutions Engineer, platform engineers, analysts, and data teams to deliver scalable capabilities that are secure, observable, and maintainable.
What you'll do
Build production AI systems (LLMs + RAG)
Design and implement RAG-powered services (assistants, chat experiences, semantic search) using modern LLM patterns
Improve retrieval quality through embeddings, metadata enrichment, ranking strategies, and evaluation feedback loops
Build modular components that can be reused across multiple use cases and domains
Develop scalable APIs and microservices
Build and maintain backend services and APIs using Python (FastAPI/LangChain/Hugging Face) and Java
Create clean service boundaries, versioned APIs, and secure integration patterns for enterprise environments
Produce high-quality documentation and maintain an engineering standard that scales beyond one team
Engineer reliable data and embedding pipelines
Build and operate pipelines for ingestion, embedding generation, chunking strategies, and metadata processing
Orchestrate ETL/ELT workflows using Airflow for batch and near-real-time use cases
Ensure governance, security, and privacy requirements are met (and provable)
Operate in cloud with strong engineering hygiene
Deploy solutions across AWS and Azure, using CI/CD and IaC to keep releases safe and repeatable
Containerise and run workloads with Docker and Kubernetes, working with Platform Engineering on Kindred Cloud
Build with production realities in mind: logging, monitoring, failure handling, scalability, and cost controls
Own semantic search and vector database performance
Implement and optimise vector search using PGVector / ChromaDB, including indexing strategies and query performance
Work with Sentence Transformers / OpenAI embeddings and similarity techniques (e.g., cosine similarity) to improve precision/recall
Collaborate, influence, and raise the bar
Work across teams to align on design choices, integration patterns, and shared reusable components
Mentor others through reviews, pairing, and knowledge-sharing sessions
Bring pragmatic innovation: test new approaches, keep what works, and productise it
What success looks like
AI features move from idea → production with measurable adoption and value
RAG systems deliver relevant, trustworthy outputs with clear performance indicators
Services are secure, observable, and operationally stable (not fragile demos)
Engineers and stakeholders trust the platform and can build on it without reinventing the wheel
What we're looking for
5+ years in backend engineering, data engineering, or AI/ML integration roles
Strong hands-on skills in Python and solid experience with Java (or deep JVM ecosystem experience)
Practical experience building with LLMs, embeddings, semantic search, and RAG-style architectures
Experience with vector databases (PGVector/ChromaDB or similar) and retrieval optimisation
Strong delivery habits: CI/CD, Docker, Kubernetes, and Infrastructure as Code (Terraform/CloudFormation)
Cloud experience across AWS (EC2, S3, Lambda, Bedrock, CodePipeline etc.) and/or Azure AI Foundry
Comfortable working with stakeholders, ambiguity, and trade-offs — you can turn fuzzy problems into shipped outcomes
Nice to have
Experience fine-tuning or adapting models for domain use cases
Experience building internal developer platforms or reusable AI components
Experience with evaluation/observability for GenAI systems (quality, latency, cost, drift, safety)
Prior experience in regulated environments or with identity/security integrations (SSO, IAM)
Why join
Work on real AI products used across the organisation — not proofs of concept
Modern stack: LLMs, RAG, vector search, Kubernetes, multi-cloud
Strong cross-functional collaboration with data, platform, and product teams
Space to innovate, improve foundations, and build capabilities that scale
Testimonials
-
Bertrand Le Piolot
My mission is to position cybersecurity as a business enabler, by finding the right balance between security requirements and business development objectives.
Bertrand Le Piolot
Group Cybersecurity Director -
Lesya Liskevych
Our team turns every customers interaction into mainingful insights, leveraging AI to personalise and enhance the user experience on our gaming platform.
Lesya Liskevych
Head of Product Insights & AI Automation Technology -
From improving product features to enhancing safe gaming practices, data isn't just information, it's a catalyst for innovation and maintaining the Group's integrty.
Nonna Shakhova
Cloud Data EngineerNonna Shakhova
A European gaming champion
FDJ UNITED is a European leader in betting and gaming, trusted for its iconic brands and technological strength across around 15 regulated markets. We’re rapidly digitising our lottery business and expanding our sports-betting footprint, creating exciting opportunities to build the next generation of player experiences. Here you’ll work on high-impact projects: modernising platforms, scaling data-driven personalisation, and developing tools that both delight customers and protect them. Our goal is to strengthen customer relationships through smarter identification and insights. That means meaningful, purpose-driven work, from customer service to marketing, product design, compliance and more. All within an international, innovation-focused environment. We are shaping the future of gaming, join us!
Benefits
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