Jeremy Felder

🏗️ Skills

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GitHub

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LinkedIn

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X (Twitter)

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🏢 Work Experience

Software Engineer, Ingonyama

Mar 2023 - Present

• Leading design of a hybrid cloud/on-prem architecture for optimized GPU performance
• Developed OSS GPU library for accelerating Zero Knowledge proof primitives using Go, Rust, and C++
• Built and maintained the CI for the OSS GPU Library
• Integrated our library into projects achieving 80% reduction in proving time on average

Blockchain Security Researcher, OpenZeppelin

Jan 2022 - Mar 2023

• Manually reviewed smart contract code for security issues
• Developed a static analysis tool using Python to help automate findings and writing up low level issues freeing 35% of time for auditors

Zengo

Feb 2019 - Jan 2022

• DevSecOps and Tier 2 Technical Support Team Leads, May 2021 – Dec 2022
  • Managed teams of 3 devops engineers and 2 technical support engineers
  • Designed and built monitoring and alerting system using AWS Cloudwatch, Xray, SNS, SES, Eventbus
  • Designed and created our IaC to allowing for repeatable deployments using Cloudformation and SAM CLI reducing rollbacks by 80%.
  • Managed AWS Accounts and Internal permissions for 3rd party services
  • Created internal customer troubleshooting tool reducing time to resolution by 50%
• Senior Software Engineer, Nov 2020 – May 2021
  • Backend AWS Architect and Developer
    • Built a robust backend that scaled to serving hundreds of thousands of users
    • Reduced total AWS cost by 97% by reconfiguring default settings
  • Identified and resolved production DoS due to misconfigured restify API
  • Managed AWS accounts and coordinated deployments
• Software Engineer, February 2019 – Nov 2020
  • Full Stack developer – React Native, Swift, Kotlin, Node.js, AWS
  • Part of on call production team
  • Integrated 10’s of 3rd party blockchain services and interfaces
  • Designed and built security features
  • Built the first iteration of Android app