Justin Konecny

Senior Software Engineer · Security & Privacy

Working on AI security and privacy at Meta.

Professional Experience

Meta

Senior Software Engineer

Applied AI - Security, Trust, & Privacy
August 2026 - Present | NJ (Remote)

Improving model capabilities in security and privacy across Meta's AI systems.

Python
Rust
TypeScript

Meta

Software Engineer

AI Security
February 2026 - August 2026 | NJ (Remote)

Building dynamic policy enforcement systems and security tooling to control AI agent sessions and detect insecure code across Meta's developers.

Hack
Rust
TypeScript

Meta

Software Engineer

Secure Product Auth
October 2024 - February 2026 | NJ (Remote)

Hardened and augmented authentication infrastructure across Facebook, Reality Labs, Instagram, and Threads through 2FA security, login session management, and account integrity improvements.

Hack
C++
Python

Meta

Software Engineer

Meta Account Access Infra
September 2023 - October 2024 | NJ (Remote)

Built federated identity registration APIs and account access infrastructure supporting millions of users migrating to Meta's next-gen identity platform.

Hack
React
GraphQL

Meta

Privacy Engineer

Incident Response
February 2022 - September 2023 | Menlo Park, CA

Designed tooling to detect, quantify, and prioritize privacy incidents across Meta products. Performed operational anlayses (root cause analysis, variant anlaysis, data lineage anlaysis, etc.) to identify issues and drive cross-product, cross-platform systemic mitigations and remediations.

Hack
React
Python
GraphQL
SQL
Machine Learning

Facebook

Privacy Engineering Intern

Incident Response
May 2021 - August 2021 | Menlo Park, CA (Remote)

Built a full-stack web application to quantify and investigate technical privacy incidents across Meta products.

Hack
React
SQL

Places For Less

Full-Stack Software Engineering Co-op

May 2020 - January 2021 | Boston, MA

Architected full-stack solutions for anonymous user tracking and A/B testing, and integrated Twilio, Gmail, and Salesforce APIs to improve sales team efficiency.

PHP
Laravel
Vue.js
SQL
Git
Salesforce API
Twilio API

Rocket Software

Software Engineering Co-op

July 2019 - December 2019 | Waltham, MA

Implemented features in a React/TypeScript web application and built concurrent thread-management utilities in Java.

Java
React
TypeScript
Git
Bash

Education

Northeastern University

2017 - 2021 | Boston, MA

Bachelor of Science in Cybersecurity
Minor in Mathematics
Summa Cum Laude

  • Algorithms & Data Structures
  • Networks & Distributed Systems
  • Software Development
  • Object-Oriented Design
  • Network Security
  • Computer Systems
  • Systems Security
  • Cryptography
  • Theory of Computation
  • Software Vulnerabilities & Security
  • Foundations of Cybersecurity
  • Fundamentals of CS 1 & 2
  • Discrete Structures
  • Probability & Statistics
  • Statistics & Stochastic Processes
  • Embedded Design: Robotics
  • Differential Equations & Linear Algebra
  • Linear Algebra
Java
Python
Git
AWS
C
C++
Racket
LaTeX
AMD64 Assembly