Andrew Charneski

Senior Software Engineer

United States13 yrs 4 mos experience

AI ML PractitionerAI Enabled

Key Highlights

20+ years in software engineering and AI architecture.
Creator of the Cognotik AI platform with 57k+ downloads.
Expert in high-performance computing and distributed systems.

Stackforce AI infers this person is a Full-Stack Software Engineer specializing in AI and High-Performance Computing.

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Skills

Core Skills

Ai SystemsHigh-performance ComputingFull-stack DevelopmentReal-time Data ServicesCloud MigrationWeb Service ProductionalizationPerformance EngineeringCross-platform DevelopmentData Service ArchitectureDatabase DevelopmentReal-time Security SystemsGaming Industry Applications

Other Skills

Amazon Elastic MapReduce (EMR)ScalaAzkabanPython (Programming Language)Apache RangerReact.jsTypeScriptKotlinSpringJavaApache HiveAmazon Web Services (AWS)Apache StormRedisSpring Framework

About

Full-Stack Software Engineer and AI Architect with 20+ years of experience architecting scalable enterprise systems and 9+ years pioneering AI/ML solutions. Expert in Java/Kotlin ecosystems, Distributed Systems, and High-Performance Computing. Creator of the Cognotik AI platform (57k+ downloads) and MindsEye neural network framework. Possesses deep expertise spanning the full stack: from low-level GPU programming (CUDA/CuDNN) and High-Performance Computing via FFI/Project Panama to cloud infrastructure (AWS) and user-facing AI products. Proven track record at Fortune 500 companies (Amazon, Expedia, Grubhub) delivering mission-critical systems, including real-time ML inference (<5ms latency), petabyte-scale data pipelines, and bank-grade security systems.

Experience

13 yrs 4 mos

Total Experience

2 yrs 2 mos

Average Tenure

Current Experience

Grubhub

Senior Software Engineer

Nov 2018 – Jul 2025 · 6 yrs 8 mos · United States · Remote

Generative AI & Developer Tools: Architected agentic AI systems using LLMs for automated troubleshooting. Built full-stack AI-powered developer tools (React/TypeScript + Kotlin/Spring) for analyzing build failures.
High-Performance Java & FFI: Leveraged Java 21’s Project Panama (FFI) to build direct bindings to native SSL/SSH libraries, resolving critical connectivity failures.
Deployment Orchestration: Designed sophisticated multi-stage deployment platform with automated canary analysis and rollback capabilities.
Performance Optimization: Led deep performance analysis of mission-critical JVM applications (Apache Hive, Ranger, Azkaban). Achieved reduction in CPU/memory load through advanced profiling and GC tuning.
Data Platform Infrastructure: Supported PySpark-based data science workflows and petabyte-scale data processing using Azkaban. Maintained custom builds of core open-source platforms.
Observability: Designed Datadog dashboards and Splunk diagnostic queries for deep system observability.

Amazon Elastic MapReduce (EMR)ScalaAzkabanPython (Programming Language)Apache RangerAI Systems+1

Amazon

Software Consultant

Nov 2016 – Feb 2017 · 3 mos · Seattle, WA · On-site

Web Service Productionalization: Led the productionalization of a prototype Java web service for decision
support and automation.

JavaSpring FrameworkTechnical DocumentationWeb Service Productionalization

Expedia, inc.

Software Engineering Consultant

Oct 2014 – Nov 2018 · 4 yrs 1 mo · Bellevue, WA · On-site

Real-Time Data Services: Architected high-performance ads targeting system achieving TP95 <5ms latency at ~10k TPS using Scala, Redis, and Apache Storm.
Cloud Migration: Led migration of petabyte-scale big data infrastructure from on-premise Hadoop to AWS/Qubole.
Open Source Customization: Maintained a custom build of Apache Oozie featuring internal management tools.
Technical Leadership: Led projects with a team of 5 developers, establishing coding standards and best practices for high-performance distributed systems.

ScalaJavaAmazon Web Services (AWS)Apache StormRedisReal-Time Data Services+1

Hbo

Software Engineer

Dec 2013 – Sep 2014 · 9 mos · Seattle, WA · On-site

Performance Engineering: Refactored large-scale Spring web services, reducing CPU and memory load by 90% through debugging and optimization.
Developer Tooling: Developed static analysis tools based on Eclipse’s Java AST to enforce coding standards.

JavaJava Virtual Machine (JVM)TypeScriptPerformance Engineering

Various

Java Consultant

Apr 2011 – Dec 2013 · 2 yrs 8 mos · Seattle, WA · Hybrid

Plugged-In Technologies: Created a cross-platform video conferencing app and media server backend using Java/C.
Big Fish Games: Developed desktop/browser and Android video game streaming clients using Java, JNA, and libffmpeg.
Serials Solutions: Implemented new Java data services based on Hibernate, Cassandra, and Thrift.

JavaAndroidC (Programming Language)FfmpegCross-Platform Development

Distributed energy management

Chief Architect / Team Lead

Aug 2010 – Mar 2011 · 7 mos · Bremerton, WA · On-site

• Team Leadership & Architecture: Led a team of six, designed a high-performance data service and analytics platform for time series data using Java and Berkeley DB.

JavaPython (Programming Language)Berkeley DBSQLData Service Architecture

Marchex

Senior Software Engineer

Jun 2009 – Jul 2010 · 1 yr 1 mo · On-site

• Database & Web Development: Designed a MySQL partitioning service and maintained a GWT web application.

MySQLGWTJavaDatabase Development

Amazon.com

Software Development Engineer II

Sep 2007 – May 2009 · 1 yr 8 mos · Seattle, WA · On-site

Real-Time Security AI: Developed DDoS detection and response systems processing millions of requests per minute using ML for pattern recognition.
High Availability: Built distributed services ensuring 24/7 availability for critical infrastructure and payments data.
Systems Programming: Developed Apache httpd C modules for routing and security.

JavaC++Amazon Web Services (AWS)PerlInternet Protocol Suite (TCP/IP)Real-Time Security Systems