An engineer with a love for media and scalable systems

A engineer with a love for media and scalable systems
Hi! My name is Arun Ajay
Currently a Software Development Engineer II @ Audible
I specialize in building and scaling systems that power experiences with a global reach. Previously
modernized & scaled royalty systems at Sony Music Entertainment
and implemented ad fraud prevention pipelines and detection
mechanisms at Twitch 
Career Highlights
$0.0B+
Revenue Processing System Scaled
0M+
Live Ad Impressions Safeguarded
0+
Microservices Scaled & Owned
$0K
Creator Payouts Protected

Hi! My name is Arun Ajay
Currently a Software Development Engineer II @ Audible
I specialize in building and scaling systems that power experiences with a global reach. Previously
modernized & scaled royalty systems at Sony Music Entertainment
and implemented ad fraud prevention pipelines and detection
mechanisms at Twitch 
Career Highlights
$0.0B+
Revenue Processing System Scaled
0+
Microservices Scaled & Owned
0M+
Live Ad Impressions Safeguarded
$0K
Creator Payouts Protected
Professional Experience

Audible
Software Development Engineer II
Insights & Optimization Team
Newark, New Jersey
2025 — Present
- › Our team optimizes the Audible playback experience through data-driven insights. Operating across Android, iOS, and Web, we architect and own the ML-focused infrastructure necessary to identify and deliver performance optimizations across the entire playback ecosystem.

Sony Music Entertainment
Software Engineer
Royalties & Accounting Team
New York City, NY
2023 — 2025
- › Built and optimized features for the royalties and accounting platform, contributing to the system's scalability and performance. System processes $4.7B+ in revenue across 55k+ music labels and 15B+ media streams.
- › Modernized and refactored legacy React applications, improving code quality and driving better usability for internal users.
- › Designed and implemented backend services and data integrations using GraphQL, Kafka, and Neo4j to enhance data reliability and efficiency.
- › Led engineering initiatives by defining technical scopes, collaborating cross-functionally, and improving system monitoring and incident response.

Twitch
Software Development Engineer I
Ad Fraud Prevention Team
Remote
2022 — 2023
- › Strengthened Twitch's ad fraud prevention systems by designing and implementing detection mechanisms to safeguard the platform's integrity. Protected over 5M+ live ad impressions and preserved $100k+ in creator payouts.
- › Orchestrated a data pipeline processing over 100M+ rows of global Twitch traffic daily, streamlining delivery to Amazon’s Traffic Quality team via Airflow.
- › Migrated 10% of all Airflow DAGs at Twitch from a legacy Apache Airflow cluster to Amazon MWAA, improving reliability and security.
- › Created monitoring frameworks using CloudWatch, PagerDuty, and Grafana to improve system observability and incident response across the ad fraud team. Actively monitored 100+ KPIs