Hello, I'm Debraj

  • Senior Principal Engineer at Bolster AI
  • 15+ years of experience in cybersecurity, video platforms, and ad-tech
  • Expert in architecting scalable distributed systems and Gen AI solutions
  • Proven track record of driving technical initiatives from concept to production
  • AWS certified with deep expertise in databases and backend architecture
  • Passionate about building resilient, production-grade software
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Debraj Maity

Technical Skills

AI & Emerging Tech Agentic Coding (Claude Code, Gemini CLI, Cursor), Model Context Protocol (MCP), AI Prompts, LLMs (Claude Sonnet, OpenAI o3, Llama 3.2, Mixtral), Gen AI Stack
Languages Java, TypeScript, Python, Golang, Rust, JavaScript, C/C++, Shell Script, Perl, PHP (Polyglot)
Databases MySQL/MariaDB, PostgreSQL, Elasticsearch, OpenSearch, Redis, Cassandra, Riak, Time-series DB, Vitess DB
Cloud & DevOps AWS (EC2, EKS, S3, RDS, CloudWatch, Lambda, Bedrock, Elasticache), Azure, Kubernetes, Docker, Terraform, Ansible, Jenkins, Harness
Frameworks & Tools NestJS, Spring Boot, Dropwizard, go-gin, Kafka, NATS, gRPC, REST, WebSocket, Splunk, Prometheus, ELK Stack
Architecture Microservices, Event-Driven Design, Data Pipelines/ETL, API Design, Test-Driven Development (TDD)

Professional Experience

Bolster AI
Senior Principal Engineer
October 2025 - Present | Santa Clara, CA
  • Leading multiple AI-enabled engineering projects to build next-generation Bolster AI products
  • Driving architectural decisions and feature development using agentic coding tools (Claude Code, Cursor)
  • Tech stack: Python, TypeScript, Golang, Rust, Elasticsearch, PostgreSQL, AWS, Azure, OpenAI
Bolster AI
Principal Engineer
January 2024 - September 2025 | Santa Clara, CA
  • Architected and tech-led AI-based email security product, increasing SOC workflow efficiency using agentic AI
  • Managed teams through technical leadership and architectural ownership without direct reports
  • Led POCs, sprint planning, feature implementation, code optimization/reviews, and mentorship
  • Built next-generation products using Gen AI across backend and infrastructure layers
Proofpoint Inc
Staff Software Engineer
January 2022 - January 2024 | Sunnyvale, CA
  • Tech Lead for Threat Intelligence and Insights Platform, processing millions of email data points into actionable threat insights
  • Built scalable database-as-a-service using Vitess DB and Kubernetes; automated deployments via Harness CD pipeline
  • Architected solutions for multi-sharded MySQL databases with terabytes of storage, including shard splitting and online schema migration
  • Published technical blogs on scaling OLTP databases and database shard splitting
  • Provided mentorship and guidance to junior software engineers
Proofpoint Inc
Senior Software Engineer
December 2018 - January 2022 | Sunnyvale, CA
  • Built and enhanced DASH ingestor service consuming millions of Kafka stream data points for threat detection
  • Developed next-generation insights APIs delivering malicious message forensics, campaign information, and threat metadata
  • Redesigned critical components to boost system performance, quality, resiliency, and scalability
  • Implemented centralized Redis-based rate limiting and circuit breaker solutions for enhanced fault tolerance
  • Led migration of Golang-based services to Amazon EKS cluster with service discovery using Consul
Ooyala Inc
Software Engineer
June 2015 - May 2018 | Frisco, TX
  • Spearheaded Next-Gen Live/SPS Platform initiative using Golang/Java microservices, Docker, and Kubernetes
  • Built DNS service as Golang-based Dockerized microservice and resilient DNS provider
  • Created scalable, fault-tolerant Kafka consumer microservice using Spring Boot and Elasticsearch
  • Implemented core bidding logic and OpenRTB 2.3 protocol for SSP with <100ms latency
  • Built data flow pipeline using Amazon Kinesis for real-time log processing

Education

University of Texas at Dallas
MS, Computer Science | 2012 - 2014
University of Pune, India
BE, Electronics and Telecommunication | 2003 - 2007

Certifications & Awards

Certifications: AWS Database Specialty | AWS Developer Associate | HackerRank SQL | Proofpoint AI/ML Introduction | AI For Everyone

Awards: Customer Delight Award (Proofpoint) • 2nd Place Ooyala Dallas Hackathon • Above and Beyond Award (Infosys) • On The Spot Award • Certificate of Excellence