Solutions Architect

X4 Technology; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A cutting-edge technology firm in London seeks a Solution Architect for Generative AI in Fintech. This role involves architecting scalable AI systems, mentoring teams, and advising clients on deploying AI solutions. The ideal candidate will have a strong background in cloud platforms and Generative AI technologies. This position offers a unique opportunity to work at the forefront of AI advancements within a dynamic enterprise environment.

Qualifications

• Proven experience as a Solution Architect, Software Architect, or AI Architect.
• Background in Fintech or Payments is preferred.
• Strong understanding of Generative AI technologies.

Responsibilities

• Architect and implement enterprise Generative AI solutions.
• Lead the architecture of secure, production-ready solutions.
• Act as a trusted technical advisor to clients.

Skills

Experience as a Solution Architect

Client-facing skills

Understanding of security architecture

Strong background in cloud platforms

Excellent stakeholder communication

Tools

Azure OpenAI

OpenAI API

LangChain

Kubernetes

Job description

Solution Architect – Generative AI - Fintech

Location: London

I’m currently partnering with an innovative Financial Services business that is building cutting‑edge Generative AI platforms for enterprise clients. They are looking for a Solution Architect who can bridge deep technical expertise with client‑facing advisory skills to deliver scalable, secure AI solutions.

This is a fantastic opportunity to work at the forefront of LLMs, enterprise AI architecture, and cloud‑native systems, helping organisations deploy real‑world GenAI applications at scale.

The Role

As a Solution Architect, you will play a pivotal role in designing and delivering advanced Generative AI solutions for enterprise customers. You’ll collaborate with engineering, product, and business teams to architect robust systems while advising clients on the best ways to deploy AI within complex environments.

You’ll also act as a technical leader across client engagements, shaping solution design, ensuring security and compliance, and influencing the evolution of the company’s AI platform.

What You’ll Be Doing

• Architect and implement enterprise Generative AI solutions using LLMs, RAG pipelines, prompt engineering and frameworks such as LangChain
• Design scalable AI systems using Azure OpenAI, OpenAI API, Claude, Bedrock or Vertex AI
• Lead the architecture of secure, production‑ready solutions across cloud and distributed environments
• Act as a trusted technical advisor to clients, guiding deployment and integration into existing systems
• Produce architecture documentation, diagrams and technical design artefacts
• Mentor delivery teams and support successful implementation across complex projects
• Influence the product roadmap based on real‑world deployment needs and evolving AI trends

What They’re Looking For

• Experience as a Solution Architect, Software Architect, AI Architect, or Enterprise Architect
• Strong background in cloud platforms (AWS, Azure, or GCP)
• Previous experience in a Fintech / Payments environment
• Knowledge of Generative AI technologies, LLMs, RAG architectures, and ML deployment
• Familiarity with DevOps, CI/CD, and infrastructure as code
• Strong understanding of security architecture and enterprise system integration
• Excellent client‑facing and stakeholder communication skills
• Nice to have: Kubernetes, containerisation, microservices architecture