01 · INDEX PRINCIPAL ENGINEER · AWS LONDON

ROHIT KAPOOR

Principal Engineer at AWS. Photographer. Builder of systems trusted by millions.

ROLE
Principal Software Engineer
DOMAIN
Distributed Systems · Agentic AI
BASE
London, United Kingdom
SINCE
AWS · 2015
SCROLL
02 The Work HIGH-SCALE DISTRIBUTED SYSTEMS

From the distributed systems the cloud is built on, to the agentic AI that reasons and acts across it.

0M+

ENTERPRISE CUSTOMERS SERVED

$0B+

ANNUAL REVENUE IMPACT

0+

ENGINEERS UNDER TECHNICAL AUTHORITY

0+

YEARS BUILDING AT AWS SCALE

01
2024 → NOW PRINCIPAL ENGINEER

Agentic AI at AWS Current Focus

Principal Engineer leading the technical vision and architecture for AWS's investment in agentic AI: autonomous, intelligent systems that reason and act continuously across cloud environments. Defining the engineering standards and system design that multiple teams and organizations build against.

02
2021 → 2024 SENIOR SDE

Foundational Cloud Infrastructure

Principal Engineer for a core AWS service trusted by millions of enterprise customers, generating $1B+ in annual revenue. Set the technical direction, architecture and engineering bar across multiple organizations, with authority over roadmap, operating plan and talent.

03
2015 → 2021 SDE

Distributed Systems at Scale

Built high-volume, highly resilient distributed systems handling hundreds of billions of events: real-time data pipelines, cross-source query federation, ML-driven anomaly detection, and guaranteed delivery infrastructure engineered for AWS-scale reliability.

03 Light & Frame SELECTED PHOTOGRAPHY

Beyond the context window. No tokens, just light.

04 About THE HUMAN BEHIND THE SYSTEMS

Engineer by day, explorer by everything else. Systems that scale to millions, photographs that capture a single moment.

Over a decade building the invisible infrastructure that enterprise cloud runs on has trained me to think in systems, reason about failure modes, and obsess over the details no one sees until they break. When I'm not architecting at cloud scale, I'm chasing light through a viewfinder, grinding chess openings, hunting the perfect bowl of ramen, or deep in a game on the PS5 pretending I don't have an early standup. The best decisions in code, in life, in chess come from knowing when not to move.