Ankit Mahajan

About Ankit Mahajan

I’m a Senior Principal Engineer at Cardlytics with experience building and modernizing large-scale ad tech platforms. My work has spanned architecting core systems, scaling distributed services in the cloud, and mentoring engineers as they grow into senior roles. Previously, I led ad ingestion systems at Yahoo and worked on enterprise platforms at Accenture. Across these roles, I’ve focused on designing reliable, high-scale systems and collaborating with cross-functional teams to deliver products that have a real business impact.Skills & ExpertiseAd Tech Platforms: Campaign management, booking & activation, advertiser integrations, targeting & metadata systemsArchitecture: Cloud-native, microservices, event-driven systems, large-scale ingestion pipelines, observabilityData & Streaming: Kafka, Redis, Elasticsearch, Aurora/Postgres, SQL Server, HiveProgramming: Kotlin, Java, TypeScript/Node.js, Spring Boot, AWS Lambda, API GatewayCloud & DevOps: AWS, Docker, Kubernetes, Terraform, CI/CD pipelinesLeadership: Technical strategy, cross-functional collaboration, mentoring engineers, org-wide tech adoptionEmerging Tech: GenAI (RAG for knowledge discovery), AI/ML applications in Ad Tech

Experience

1. Senior Principal Software Engineer

   Cardlytics

   Apr 2025 — Present

Education

• Jaypee Institute of Information Technology, Noida

  Bachelor of Technology - BTech, Information Technology

Skills

• Java
• Java Enterprise Edition
• Spring
• Spring Batch
• Restful Webservices
• Ad Targeting
• Advertising
• Redis
• Rabbitmq
• Cloud Foundry
• Soap
• Html
• Javascript
• Dojo
• Jquery
• Ember.js
• Mysql
• Ibm Db2
• Websphere Portal
• Unit Testing Frameworks Like J-Mock,Jasmine,Soap-UI Test Suits, Selenium
• Monitoring Tools Like Splunk, Coradiant, Willy
• Agile Methodologies
• Team Management
• Requirements Analysis
• Jira
• Git
• Mockito
• Testng
• Maven
• Gradle