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Hi, I’m Christopher Wei, a Senior AI data annotation and evaluation specialist with 9+ years of experience across software engineering, data quality, and AI-driven systems. I apply structured analytical thinking to review, label, and evaluate AI outputs using principled guidelines and rigorous attention to detail. I’m reliable, self-motivated, and communicative, delivering consistent, high-quality annotation across complex, multi-format datasets. I thrive in cross-functional teams, translating complex models into clearly labeled data for AI training and evaluation.…Hi, I’m Christopher Wei, a Senior AI data annotation and evaluation specialist with 9+ years of experience across software engineering, data quality, and AI-driven systems. I apply structured analytical thinking to review, label, and evaluate AI outputs using principled guidelines and rigorous attention to detail. I’m reliable, self-motivated, and communicative, delivering consistent, high-quality annotation across complex, multi-format datasets. I thrive in cross-functional teams, translating complex models into clearly labeled data for AI training and evaluation.

Christopher Wei

Full Stack Developer, Back-End Developer, Front-End Developer, +6

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Hi, I’m Christopher Wei, a Senior AI data annotation and evaluation specialist with 9+ years of experience across software engineering, data quality, and AI-driven systems. I apply structured analytical thinking to review, label, and evaluate AI outputs using principled guidelines and rigorous attention to detail. I’m reliable, self-motivated, and communicative, delivering consistent, high-quality annotation across complex, multi-format datasets. I thrive in cross-functional teams, translating complex models into clearly labeled data for AI training and evaluation.…Hi, I’m Christopher Wei, a Senior AI data annotation and evaluation specialist with 9+ years of experience across software engineering, data quality, and AI-driven systems. I apply structured analytical thinking to review, label, and evaluate AI outputs using principled guidelines and rigorous attention to detail. I’m reliable, self-motivated, and communicative, delivering consistent, high-quality annotation across complex, multi-format datasets. I thrive in cross-functional teams, translating complex models into clearly labeled data for AI training and evaluation.

Available to hire

Hi, I’m Christopher Wei, a Senior AI data annotation and evaluation specialist with 9+ years of experience across software engineering, data quality, and AI-driven systems. I apply structured analytical thinking to review, label, and evaluate AI outputs using principled guidelines and rigorous attention to detail.

I’m reliable, self-motivated, and communicative, delivering consistent, high-quality annotation across complex, multi-format datasets. I thrive in cross-functional teams, translating complex models into clearly labeled data for AI training and evaluation.

Skills

AI Data Labelling

React JS

TypeScript

AI Collection (Video)

JavaScript

Experience Level

AI Data Labelling

Expert

React JS

Expert

TypeScript

Expert

AI Collection (Video)

Expert

JavaScript

Expert

HTML5

Expert

CSS

Expert

AI Collection (Audio)

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Optiver

April 1, 2022 - Present

Directed the end-to-end architecture of an Oracle Service Cloud case management platform, configured incident management workflows, and established routing rules, queue configurations, and workspace layouts for an 8-person team. Engineered an integration layer with MuleSoft to synchronize customer data across back-office systems, authored comprehensive functional/technical documentation, and implemented JavaScript-based workspace enhancements to reduce handle time. Deployed Oracle Integration Cloud pipelines for event propagation with robust error handling. Built Oracle BI dashboards for key KPIs, established real-time SLA alerting and escalation, and delivered a unified 360-degree customer view within Oracle Service Cloud. Extended native API capabilities with a PHP utility layer, and guided governance to maintain data integrity across environments while mentoring junior engineers.

Software Engineer at Meta

January 1, 2018 - April 1, 2022

Led the design of a multi-tenant Oracle Service Cloud backend with data isolation and RBAC, built a MuleSoft-based ingestion pipeline to synchronize large interaction datasets, and developed segmentation and lead-scoring workflows to optimize campaigns. Reworked BI reporting to support high-concurrency dashboards, collaborated with cross-functional teams to translate CRM requirements into concrete configuration and integration specifications, and ensured secure, scalable delivery across the organization.

Software Engineer Intern at Microsoft

May 1, 2016 - August 1, 2016

Delivered a cloud-based SaaS platform using Oracle Integration Cloud patterns, enabling end-to-end workflows for test ordering, administration, and result tracking. Implemented role-based access control for secure data submission across multiple organizations and designed a scalable multi-tenant backend with robust data validation and error handling.

Intern at Applied Predictive Technologies

May 1, 2015 - July 1, 2015

Expanded the Category Management Insights product by introducing an output module and ensured backward compatibility with legacy dashboards. Crafted complex SQL queries to unify data across old and new schemas, enabling more comprehensive analytical reporting.

Software Engineer Intern at NEC Laboratories America, Inc

May 1, 2014 - August 1, 2014

Led development of embedded DSP software for precise laser-based spectrometry, implementing Beer-Lambert Law-based algorithms to compute gas concentrations from spectral data. Built a data acquisition pipeline with resilient real-time visualization for researchers.

Intern at NEC Laboratories America, Inc

May 1, 2014 - August 1, 2014

Led precise laser-based spectrometry hardware with embedded DSP software, deriving gas concentrations using Beer-Lambert Law principles. Built a resilient data acquisition pipeline for high-frequency measurements and rendered live concentration visualizations for researchers.

Software Engineer Intern at Applied Predictive Technologies

May 1, 2015 - July 1, 2015

Extended the Category Management Insights product by introducing a new output module and ensuring backward compatibility with legacy data. Transformed historical analysis retrieval via SQL queries to expose data across old and new schemas.