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Professional Resume

324 words
Weijian Zhang
Author
Weijian Zhang
Building cloud infrastructure and Agentic AI solutions. ECS/Fargate, distributed systems, Java, Python.

Professional Summary
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Results-oriented Software Engineer with a Master’s in Computer Engineering and extensive experience at Amazon Web Services (AWS). Proven track record in building cloud infrastructure from scratch, leading technical initiatives for high-scale container services (ECS/Fargate), and pioneering Agentic AI solutions to automate operational workflows.

Technical Skills
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  • Languages: Java, Python, TypeScript
  • Cloud & Infrastructure: AWS (EC2, ECS, Fargate, Bedrock, Lambda), Docker
  • GenAI / ML: Agentic AI, AWS Bedrock, Strands Framework, Claude, Amazon Q
  • Tools: Git, AWS CDK

Experience
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Amazon Web Services (AWS) May 2019 – Present
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Bedrock / Agentic AI Jan 2024 – Present
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  • Architected a multi-agent solution using AWS Bedrock and the Strands framework to automate the “General Limit Increase” lifecycle — reduced end-to-end resolution time by 75% and eliminated 20 hours of weekly engineering overhead
  • Pioneered a “solopreneur” workflow leveraging Claude and Amazon Q CLI to simulate a full development squad, accelerating the SDLC by 5x
  • Built and shipped a production-grade codebase (12k+ lines, 100+ commits) in just 30 days

Tech Lead, ECS Managed Instance Observability Service May 2019 – Dec 2023
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  • Led a team of 7 to migrate from legacy WebSocket-based stateful systems to a stateless RESTful architecture, resolving a 100-connection-per-node bottleneck and mitigating 65k port exhaustion risks
  • Engineered an Async I/O model achieving a 10x increase in single-node concurrency to support 200,000+ instances and 10k RPS peak throughput
  • Developed a defense-in-depth authentication mechanism integrating IAM identity with VPC-source path validation
  • Reduced manual overhead and improved on-call incident response efficiency by 80% via CloudWatch Cross-Account Observability
  • Orchestrated end-to-end automation of Cell creation workflow, reducing delivery time from 6 months to 3 days (60x improvement)

Bosch 2015 – 2016
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  • Designed and developed a custom Android application for the Boost Recuperation System with Bluetooth/CAN protocol connectivity
  • Developed a virtual testing environment for vehicle ECUs (ABS/ESP)

Education
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DegreeSchoolYear
M.S. Computer EngineeringNew York University (NYU)2017–2018
B.S. Computer EngineeringRose-Hulman Institute of Technology2012–2015