Sean Allen - Managed Account Coordinator

Sean Allen

Managed Account Coordinator

The Municipal District of Dundalk, United States

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Summary

🤩

Rockstar

🎓

Top School

Sean Allen is a technically grounded Managed Account Coordinator with 15 years of experience building resilient, scalable systems and leading teams to move core business metrics. He brings deep expertise in distributed systems, data workflows and SOA-style frameworks, and is the author of Storm Applied: Strategies for real-time event processing. An active open-source contributor, he has strengthened container security and distributed stream-processing code in notable projects such as microsoft/hcsshim and WallarooLabs/wally. Sean combines hands-on backend and security engineering with a passion for engineering culture that accelerates developer growth and productivity. Based in Dundalk, he pairs practical operational experience—from retail and team leadership roles to analyst internships—with a rare mix of musical and engineering hobbies that reflect a detail-oriented, creative problem solver.

15 years of coding experience

1 year of employment as a software developer

Bachelor of Arts - BA Criminal Justice, Bachelor of Arts - BA Criminal Justice at University at Albany

St. Joseph's Collegiate Institute

Github Skills (22)

back-end-development10

distributed-systems10

containerization10

networking10

go10

pony10

concurrency10

vhd9

ip9

tcp9

vhdx9

rego8

toml8

message-queue8

system-design8

Programming languages (24)

C#JavaC++CSSCRustObjective-C++Go

Github contributions (5)

WallarooLabs/wally

Dec 2015 - Oct 2020

Distributed Stream Processing

Role in this project:

Back-end Developer

Contributions:7 releases, 1027 commits, 217 PRs in 4 years 10 months

Contributions summary:Sean's commits primarily focus on implementing and refactoring core functionality for a distributed stream processing system. The contributions include initial setup, solving build errors, and refactoring socket-related code for data transmission. Furthermore, the user implemented features related to signal handling to enable graceful application shutdown, including data collection upon receiving a SIGTERM signal. The user was also responsible for the handling of a 1-to-many messaging and a wide range of state related functions.

stream-processingstreaming-datadata-streamdata-processingstreams

microsoft/hcsshim

May 2021 - Oct 2022

Windows - Host Compute Service Shim

Role in this project:

Backend Developer & Security Engineer

Contributions:126 reviews, 28 commits, 49 PRs in 1 year 5 months

Contributions summary:Sean's commits primarily focus on enhancing the security features and functionality within the `hcsshim` repository. Their contributions include the addition of dm-verity integrity options to VHDs for data integrity and the implementation of security policy enforcement, specifically for container command-line options and environment variables, as well as SCSI devices. Moreover, they've made modifications to internal tools and test files to align with the new security policy implementation. They also addressed a typo in an error message.

shimwindowshostcompute

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