AI Solutions Architect (AWS) – Builder of AI Workflows

Just Eat Takeaway.com; City of Westminster; On-site; GBP 90,000 - 130,000; Full time

Job summary

Just Eat Takeaway.com is seeking a technically sharp, product-minded engineer to push the frontier of AI across the organization. You will work with ambitious teams and partners to translate learnings into durable improvements, building production-ready AI solutions and evaluation frameworks.

You will collaborate across engineering and product, prototype prompts and agents, and design evaluations to quantify impact. A strong track record shipping end-to-end AI systems is highly valued.

Qualifications

• Experience building AI applications, agents, or evaluation systems.
• Ability to translate SME challenges into concrete technical signals.
• Production experience with AWS at scale (ECS, Lambda, DynamoDB, SQS).
• Fluency moving between prototyping, debugging, evaluation design, and cross-functional collaboration.

Responsibilities

• Work directly with internal teams and strategic partners to understand critical workflows, uncover failure modes, and identify high-impact AI improvement opportunities.
• Prototype and iterate on prompts, agents, and workflow designs to understand system behaviour and unlock real value.
• Synthesise findings for Product Engineering and Platform teams, turning usage patterns into reproducible evaluations and artefacts that improve product and platform quality.
• Build repeatable tools, patterns, and evaluation approaches that raise the quality bar across multiple use cases - not just one-off fixes.
• Operate with strong judgment in ambiguous environments, balancing immediate technical problem-solving with longer-term systemic improvement.
• Build relationships across our engineering and product communities, serving as a trusted technical partner to individuals and teams alike.

Job description

Just Eat Takeaway.com is seeking a technically sharp, product-minded engineer to push the frontier of AI across the organization. You will work with ambitious teams and partners to translate learnings into durable improvements, building production-ready AI solutions and evaluation frameworks.

You will collaborate across engineering and product, prototype prompts and agents, and design evaluations to quantify impact. A strong track record shipping end-to-end AI systems is highly valued.