Job Overview
Location
London - The River Building HQ
Job Type
Full-time
Category
Software Development
Date Posted
July 21, 2026
Full Job Description
📋 Description
- • Build the infrastructure that helps Deliveroo teams move GenAI ideas from prototype to production, increasing the velocity of business impact from AI across the company.
- • Work on our open-weights serving stack — real-time GPU endpoints, high-throughput batch inference, and fine-tuning (SFT/DPO/LoRA) — alongside the LLM Gateway, Agent Gateway, evals infrastructure, guardrails, and cost attribution.
- • Design scalable, high-performance systems for model serving, batch inference, GPU autoscaling, and fine-tuning that power real customer and internal automation use cases.
- • Push the cost and latency frontier of GPU inference — turning batch jobs that took days into hours and cutting inference cost by multiples — while giving product teams a clean choice across open-weight and closed-source models with reliability, fallback, observability, and cost controls built in.
- • Build platforms that support rapid experimentation while meeting production standards for latency, scale, monitoring, SLOs, playbooks, and operational excellence.
- • Partner closely with ML engineers, product engineers, data scientists, and platform teams across DoorDash, Wolt, and Deliveroo to turn emerging GenAI capabilities into durable platform primitives.
- • Shape the future of the centralized GenAI platform — including emerging directions such as reinforcement learning (RLHF/RLVR), agent optimization, and other post-training and agentic techniques — enabling the next generation of AI-powered products, agents, automation, and personalization.
🎯 Requirements
- • BSc, MSc, or PhD in Computer Science or equivalent
- • 3+ years of industry experience in software engineering
- • Strong backend engineering fundamentals, especially in Python and distributed systems.
- • Experience building production services, APIs, data pipelines, or ML infrastructure at scale.
- • Experience operating systems in production, including observability, debugging, reliability, incident response, and performance/cost optimization.
🏖️ Benefits
- • Competitive salary
- • Comprehensive benefits package
- • Opportunity to work with a leading technology company
- • Collaborative and dynamic work environment
- • Professional development opportunities
- • Flexible working arrangements
- • IMPORTANT CATEGORIZATION:
- • This job posting is categorized as:
- • Software Development
- • IMPORTANT LOCATION EXTRACTION:
- • city: London
- • region: null
- • country_code: GB
- • is_remote: false
- • IMPORTANT RULES:
- • The job title says 'Software Engineer' which indicates that the job is categorized as 'Software Development'. The description mentions software engineering, backend engineering, and distributed systems which further confirms this categorization.
- • The job is located in London, UK, which is a specific location. Therefore, the city, region, and country code are extracted accordingly.
- • The job is not remote, so is_remote is set to false.
- • The job does not match any of the specific child categories, so the parent category 'Software Development' is selected.
- • The confidence level is set to 0.95 as the job title and description clearly indicate that the job is a software development role.
- • The reasoning for the category choice is that the job title and description mention software engineering, backend engineering, and distributed systems, which are all key aspects of software development.
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About Deliveroo Holdings plc
Deliveroo operates an online food-delivery marketplace connecting consumers with restaurants and grocery retailers through a logistics network of riders. Founded in 2013 in London, the platform processes orders via mobile and web, manages dispatch, and provides data analytics to partners. Revenue comes from commissions, delivery fees, and subscription memberships. It serves urban markets across Europe, Asia-Pacific, and the Middle East, holding licenses as a technology intermediary and courier service provider.
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