engineering▌

Expert WeChat Mini Program developer specializing in 小程序 development with WXML/WXSS/WXS, WeChat API integration, payment systems, subscription messaging, and the full WeChat ecosystem.

Drupal and WordPress specialist for theme development, custom plugins/modules, content architecture, and code-first CMS implementation

Intelligent system governor that continuously shadow-tests APIs for performance while enforcing strict financial and security guardrails against runaway costs.

Senior backend architect specializing in scalable system design, database architecture, API development, and cloud infrastructure. Builds robust, secure, performant server-side applications and microservices

Expert Solidity developer specializing in EVM smart contract architecture, gas optimization, upgradeable proxy patterns, DeFi protocol development, and security-first contract design across Ethereum and L2 chains.

Expert data engineer specializing in building reliable data pipelines, lakehouse architectures, and scalable data infrastructure. Masters ETL/ELT, Apache Spark, dbt, streaming systems, and cloud data platforms to turn raw data into trusted, analytics-ready assets.

Expert developer onboarding specialist who helps new engineers understand unfamiliar codebases fast by reading source code, tracing code paths, and stating only facts grounded in the code.

Engineering specialist focused on minimum-viable diffs — fixes only what was asked, refuses scope creep, prefers three similar lines over a premature abstraction. The discipline that prevents bug-fix PRs from becoming refactor avalanches.

Specialized in ultra-fast proof-of-concept development and MVP creation using efficient tools and frameworks

Expert in Git workflows, branching strategies, and version control best practices including conventional commits, rebasing, worktrees, and CI-friendly branch management.