Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a Senior Java Software Engineer with 9+ years of experience designing and delivering mission-critical software across high-performance, distributed, and defense-adjacent domains. I excel in Java, RESTful API design, microservices, and containerization with Docker, translating complex data structures into reliable, production-grade systems. I take ownership of architecture through deployment, thrive on cross-functional collaboration, and mentor teammates to raise the team's reliability and impact. I focus on delivering precise, scalable solutions that improve operational visibility and reduce risk for trading, CRM, and analytics platforms.…I'm a Senior Java Software Engineer with 9+ years of experience designing and delivering mission-critical software across high-performance, distributed, and defense-adjacent domains. I excel in Java, RESTful API design, microservices, and containerization with Docker, translating complex data structures into reliable, production-grade systems. I take ownership of architecture through deployment, thrive on cross-functional collaboration, and mentor teammates to raise the team's reliability and impact. I focus on delivering precise, scalable solutions that improve operational visibility and reduce risk for trading, CRM, and analytics platforms.

Christopher Wei

Full Stack Developer, Back-End Developer, Front-End Developer, +2





I'm a Senior Java Software Engineer with 9+ years of experience designing and delivering mission-critical software across high-performance, distributed, and defense-adjacent domains. I excel in Java, RESTful API design, microservices, and containerization with Docker, translating complex data structures into reliable, production-grade systems. I take ownership of architecture through deployment, thrive on cross-functional collaboration, and mentor teammates to raise the team's reliability and impact. I focus on delivering precise, scalable solutions that improve operational visibility and reduce risk for trading, CRM, and analytics platforms.…I'm a Senior Java Software Engineer with 9+ years of experience designing and delivering mission-critical software across high-performance, distributed, and defense-adjacent domains. I excel in Java, RESTful API design, microservices, and containerization with Docker, translating complex data structures into reliable, production-grade systems. I take ownership of architecture through deployment, thrive on cross-functional collaboration, and mentor teammates to raise the team's reliability and impact. I focus on delivering precise, scalable solutions that improve operational visibility and reduce risk for trading, CRM, and analytics platforms.

Available to hire

I’m a Senior Java Software Engineer with 9+ years of experience designing and delivering mission-critical software across high-performance, distributed, and defense-adjacent domains. I excel in Java, RESTful API design, microservices, and containerization with Docker, translating complex data structures into reliable, production-grade systems.

I take ownership of architecture through deployment, thrive on cross-functional collaboration, and mentor teammates to raise the team’s reliability and impact. I focus on delivering precise, scalable solutions that improve operational visibility and reduce risk for trading, CRM, and analytics platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Fluent

Work Experience

Software Engineer at Optiver

April 1, 2022 - Present

Architected a high-throughput Java-based order execution pipeline across 5 live trading venues, establishing deterministic routing and submission integrity. Built a fault-tolerant market data ingestion service via Java microservices with Docker deployments to normalize and distribute real-time feeds from global exchanges. Designed 40+ RESTful endpoints to expose real-time position and order book data for internal risk dashboards. Decomposed a monolithic order management system into 3 microservices, enabling targeted scaling under peak conditions. Implemented dynamic bid/ask pricing and automated position management with circuit-breakers, optimizing latency with cache-aware structures and object pooling.

Software Engineer at Meta

January 1, 2018 - April 1, 2022

Delivered a full-scale Java-based CRM platform covering contact tracking, pipeline management, and account reporting. Built a high-performance ingestion pipeline using distributed Java microservices to synchronize large customer datasets across 4 regional environments. Implemented a scalable multi-tenant backend with enforced data isolation and RBAC. Developed a customer segmentation engine and a 360-degree activity tracking system. Created automated lead scoring and leveraged containerization with Docker to ensure environment parity. Refactored legacy SQL for high-concurrency dashboards, improving performance.

Software Engineer Intern at Microsoft

May 1, 2016 - August 1, 2016

Designed and delivered a cloud-based clinical SaaS platform enabling end-to-end drug testing workflows including test ordering, administration, and result tracking. Implemented secure result submission with fine-grained RBAC, ensuring compliance with clinical data privacy and regulatory standards. Built a scalable multi-tenant backend to support concurrent clinical operations across healthcare organizations. Added robust error handling to validate and sanitize drug test result ingestion. Collaborated with product managers and clinical stakeholders to translate healthcare requirements into reliable features within a four-month engagement.

Software Engineer Intern at Applied Predictive Technologies

May 1, 2015 - July 1, 2015

Extended the Category Management Insights product by adding an analytical output module and compatibility layer to bridge the Test and Learn dashboard with legacy analysis data. Wrote SQL queries to extract, restructure, and expose data across old and new schemas, enhancing historical analysis retrieval within the dashboard.

Intern at NEC Laboratories America, Inc

May 1, 2014 - August 1, 2014

Operated precision laser-based spectrometry hardware via embedded DSP software to yield accurate measurements of environmental gas concentrations. Implemented Beer-Lambert Law-based algorithms to derive concentrations from optical measurements. Built a resilient data acquisition pipeline for high-frequency readings and rendered live gas concentration data through a real-time visualization interface.