An engineer with a love for media and scalable systems

Arun Ajay

Hi! My name is Arun Ajay Waving Pikachu
Currently a Software Development Engineer II @ Audible Audible logo I specialize in building and scaling systems that power experiences with a global reach. Previously modernized & scaled royalty systems at Sony Music Entertainment Sony Music logo and implemented ad fraud prevention pipelines and detection mechanisms at Twitch Twitch logo

Career Highlights

$0.0B+

Revenue Processing System Scaled

0+

Microservices Scaled & Owned

0M+

Live Ad Impressions Safeguarded

$0K

Creator Payouts Protected

Professional Experience

Audible logo

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 logo

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 logo

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

Skills

Languages

PythonJavaTypeScriptJavaScriptGraphQLSQLHTMLCSS

Frameworks & Libraries

FastAPIFlaskExpressSQLAlchemygRPCJestPytestApollo GraphQLReactSvelteNext.jsTailwind CSS

Cloud & Infrastructure

AWS LambdaAirflowDynamoDBKafkaAWS S3DockerAWS SQSTerraformAWS IAMSnowflakeAWS SNSMySQLAWS EC2RedisAWS ECS

Monitoring & Observability

DatadogAWS CloudWatchSentryGrafana

Other Tools

JenkinsGitHub ActionsHuskyNeo4jOpenAPIPyPI

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