Software Engineer · Full-Stack · Distributed Systems
Andrew Ni
Building systems that scale. From high-concurrency enterprise platforms at Walmart Global Tech to real-time data pipelines processing 40M+ records — I engineer software that moves fast and holds.
Re-engineered ELM 2.0 (Enterprise Location Master) end-to-end, accelerating 200+ monthly location change requests with refined internal workflows.
Maintained SDL (Store Directory Lookup), a high-concurrency platform serving 5,000+ daily users across 40+ global regions.
Reduced production change lead time by 80% through Automated CRQ pipelines with integrated quality-control gates.
Implemented Sensory Friendly Hours fields in Location Hours Manager, enhancing accessibility across thousands of U.S. retail locations.
Scaled DC Alignment Tool to Canada and Mexico markets, facilitating international supply chain expansion.
Jul 2024 — Present
Current
LanguagesJavaTypeScriptSQL
FrameworksSpring BootAngularReact
Infra & DataKafkaCassandraSolrJenkinsDocker
AI & ToolingGitHub CopilotClaude SonnetGPT-4o
02
Software Engineer Intern
Walmart Global Tech · Bentonville, AR
Engineered a data sync utility with Spring Boot, Kafka, and Cassandra to reconcile 40M+ records via automated cron scheduling.
Built a real-time event monitoring system with automated email notifications for synchronization milestones.
Created a utility for precise data replication across 15+ Cassandra tables in Dev, Stage, and Prod environments.
Designed a responsive React.js dashboard with optimized Axios interceptors for Spring Boot microservice communication.
May 2023 — Aug 2023
Internship
LanguagesJavaJavaScriptSQL
FrameworksSpring BootReact
Infra & DataKafkaCassandraJenkinsDocker
03
Software Engineer Intern
Estack · Tbilisi, GE
Built a full-stack real estate platform from scratch using Node.js and MySQL, centralizing property management and discovery.
Optimized backend search with RESTful API endpoints for complex multi-parameter property filtering.
Architected a scalable database schema for user profiles and property listings with high availability and data integrity.
Aug 2021 — Nov 2021
Internship
LanguagesJavaScriptSQL
FrameworksNode.jsExpress
Infra & DataMySQL
04
Frontend Developer
Purdue Hack The Future · West Lafayette, IN
Digitized Jessie's Kids Foundation's funding process with a custom full-stack web solution, replacing manual email workflows.
Improved site performance by 30% through optimized asset loading and a mobile-first UI using Materialize CSS.
Engineered a secure administrative dashboard for board members to adjudicate funding applications.
Sep 2020 — May 2021
Volunteer
LanguagesJavaScriptHTML/CSS
FrameworksMaterialize CSS
02
Skills
Languages
JavaPythonJavaScriptTypeScriptSQLHTML/CSS
Frameworks
Spring BootReactNext.jsNode.jsExpressAngularMaterial-UI
Infrastructure & Data
KafkaCassandraSolrMySQLMongoDBDockerJenkinsGit
AI & Tooling
GitHub CopilotClaude SonnetGPT-4o
03
Projects
Job Application Tracker
Local-first · LinkedIn Auto-Scrape · Analytics
Built a local-first job tracker that auto-scrapes LinkedIn listings — paste a URL and it extracts title, company, location, salary, and description instantly.
Tracks applications through a full status pipeline (Applied → Interviewing → Offer/Rejected) with inline editing, duplicate detection, and CSV export.
Designed an analytics dashboard with Chart.js visualizations — status funnel, weekly activity, monthly trends, top companies, and location breakdowns.
Implemented keyboard shortcuts, stale-application indicators, toast notifications, and responsive WCAG 2.2 AA accessible design.