Abarna Asokan

Amazon • Application Development Engineer

Bio

Application Development Engineer using Python, TypeScript, Java, and AWS for backend automation, workflows, and AI self-service. At Amazon, cut incident resolution time 57.7% and eliminated ~41,000 manual support contacts/year. Seeking backend, platform/cloud, applied AI, SRE, developer tooling, technical solutions, or other experience-aligned roles. Target locations: New York City area, Chicago area, and New Jersey for onsite/hybrid roles, PLUS remote jobs within the United States.

Work experience

Application Development Engineer
Jan 2026 - Present
Amazon

Led AWS Bedrock diagnostic-agent integration into a customer-facing assistant across three engineering teams; built API schemas, backend tools, and safety guardrails. Estimated impact: 440K tickets/year (~$3.5M) deflected. Designed OAuth2 identity verification and ABAC authorization. Shipped DAG/BPMN detection and routing across 26 markets, eliminating ~41,000 manual support contacts/year. Built TypeScript/AWS CDK configuration-driven connectivity across 100+ services, multiple regions, and three environments with typed validation, Jest tests, security gating, and deploy-window guards. Diagnosed nested workflow defects and regional timeouts; led design reviews and staged rollouts.

PythonTypeScriptJavaAWSAWS BedrockAWS CDKJestOAuth2ABAC
Support Engineer III
Jan 2025 - Jan 2026
Amazon

Built an LLM-agent deployment-failure analyzer chaining three control-plane APIs; cut mean resolution time 57.7% (~15 to ~6 days), using a root-cause taxonomy from a 58-case study. Automated storage recovery with authorization, approval, account/region validation, bounded execution, and audit logging: 186 production runs, zero data loss, 57.9% faster recovery. Built queue-driven provisioning bots with five-signal idempotency, dry-run mode, and reviewed production changes across three regions. Built S3/Athena/QuickSight analytics used by 25+ engineers across 15+ services, reducing manual reporting ~60%; cut alert latency ~80%. Resolved ~1,157 cases in 2025 at 89.8% resolution; participated in on-call and authored runbooks.

AWSAmazon S3Amazon AthenaAmazon QuickSightLLM Tool-Calling
Support Engineer II
Nov 2023 - Jan 2025
Amazon

Led a Java service migration to a replacement ticketing API ahead of end of life, with consumer inventory, staging validation, formal change management, and per-script monitoring; zero lost tickets. Built Active Directory reconciliation and drift alerting; migrated RBAC access across SSO applications with zero access outage. Drove runtime upgrades, credential rotation, removal of an unauthenticated endpoint, HTTPS enforcement on production load balancers, and a multi-region CDK VPC.

JavaAWS CDKAWSActive DirectorySSORBACHTTPSVPC
Programmer Analyst
Oct 2019 - Jan 2021
Cognizant

Built a SAP-integrated warehouse extension that raised online order capacity by 60%; automated SQL data workflows. Based in Chennai, India.

SAPSQL

Skills

ABACAWSAWS BedrockAWS CDKActive DirectoryAmazon AthenaAmazon QuickSightAmazon S3HTTPSJavaJestLLM Tool-CallingOAuth2PythonRBACSAPSQLSSOTypeScriptVPC