# Jianju Liu > Software Development Manager | Product & Platform Engineering in Regulated FinTech | Cloud & Distributed Systems | AI & Blockchain Location: San Francisco Bay Area, United States Profile: https://flows.cv/jianju Software Development Manager responsible for core backend platforms and shared services, and for the delivery of customer-facing, regulated products across two consumer lending product lines, supporting $1B+ in quarterly origination volume while balancing speed, quality, and compliance in production environments. Hands-on engineering leader who builds and grows globally distributed teams, translates product and business priorities into executable plans, and delivers reliable product increments from design through launch. Brings strong technical judgment, architectural rigor, and business awareness to complex financial systems. Inventor on multiple U.S. patents covering AI/ML credit profiling and adaptive modeling, fair-lending, and blockchain transaction controls, reflecting a sustained focus on innovation in complex financial systems. ## Work Experience ### Senior Software Development Manager @ LendingClub Jan 2021 – Jan 2026 | San Francisco Bay Area Led engineering for the core backend platform and shared services powering loan application and decisioning workflows across two consumer lending product lines, with direct product engineering ownership for one line, supporting $1B+ quarterly lending volume. - Built and operated two globally distributed, high-performing teams(8/9 engineers each): one full-stack product team and one backend platform team, embedding reliability engineering practices, including availability targets, operational readiness, and proactive incident reduction, enabling CI/CD across multiple time zones. - Hired, onboarded, and developed engineers, establishing clear ownership, performance expectations, growth paths, and a sustainable work model for globally distributed teams, while providing hands-on technical leadership through mentorship, system design, implementation, code reviews, and production-readiness practices to raise the teams’ technical bar and delivery confidence. - Translated business priorities into team plans and milestones, delivered end-to-end platform capabilities and service enhancements from design through launch, while strengthening production resilience through incident response, postmortem learning, and proactive capacity and performance planning. - Delivered AI/ML-driven recommendation integrating into distributed backend services, ensuring scalable, monitored, and reliable inference. - Led platform modernization of origination systems across product lines, evolving customer workflows, APIs, and backend services to support product growth and compliance outcomes, improving reusability, maintainability, and audit readiness, and delivering next-generation solutions. - Partnered closely with stakeholders in Product, Credit Risk, Compliance, and shared platform teams, retaining accountability for origination quality and outcomes for successful AWS and microservice migrations from design through audited, incremental rollout with zero production disruption. ### Principal Software Engineer @ LendingClub Jan 2015 – Jan 2021 | San Francisco Bay Area - Owned the technical integrity and architectural coherence of the Personal Borrower Platform, ensuring reliability, performance, and security at scale. - Designed and led the rollout of company-wide data security enhancements, improving data protection while increasing response performance and system consistency. - Drove lean, rapid-validation processes for customer segmentation and feature experimentation, delivering production-ready prototypes across architecture, technology, and delivery planning. ### Senior Software Engineer @ Monitise Americas, Inc. Jan 2013 – Jan 2015 | 781 Lincoln Ave Contributed to the development of mobile banking and payments platforms supporting secure consumer transactions and real-time financial engagement at scale. Alerting+ Played a key role in Alerting+, an enterprise customer engagement platform, helping evolve the system from one-way notifications to interactive, real-time communication. Designed and implemented backend services and messaging workflows, improving system responsiveness and scalability to handle high-volume financial alerts with strong reliability and low latency. ### Principal Software Engineer @ Comcast Cable Jan 2006 – Jan 2013 | San Francisco Bay Area (Marin) Led architecture and development of distributed platform services powering millions of digital devices across large-scale cable networks. Delivered highly available, high-performance systems enabling next-generation digital TV services across both legacy and cloud-integrated platforms, remaining hands-on in critical design, implementation, and performance validation. XRE Applications Rapidly established domain expertise and served as a technical leader through cross-team collaboration and knowledge sharing, contributing to first-class user experiences for millions of cloud-powered digital set-top boxes. CNS Architected and led integration of data-source providers and backend services for a highly available, large-scale video-on-demand platform supporting millions of Comcast devices. Drove architectural consistency and system integrity across a complex ecosystem spanning multiple delivery networks, with hands-on implementation of key interfaces and integration components. Messaging Platform Owned the architecture and design of a highly available messaging system targeting millions of set-top boxes across Comcast’s cable network. Defined the scalable TCP-based protocol and connection management architecture, and contributed directly to implementation and load testing to meet stringent throughput and reliability requirements. ESS Oversaw scalability and performance architecture for this core service, responsible for initializing millions of edge devices. Guided concurrency and throughput design while contributing to performance tuning and validation at a national scale. ATS It is a highly available and scalable service for millions of digital set-top-boxes in nation-wide network to have the latest police file. I was responsible for the KHv2 protocol as communication pipeline between ATS servers and STBs. ### Senior Software Engineer @ TVWorks Jan 2001 – Jan 2006 | San Francisco Bay Area (Marin) I was responsible of developing highly scalable and available distributed enterprise applications: Twoway Packaging A high performance component to generate payload fits to specific protocol in two-way communication for STBs. Server Install Toolkit This toolkit was to install all regional products. It has an open architecture to run sanity checks at various points during the installation. I was the technical lead. Programming A workflow processor with a data storage for content assets to be programmed. I implemented the workflow engine, data modeling and database design/tuning, data-access layer (DAO). Catalog It is data storage solution to massive program assets from cable network operators. I played a key role in this project and eventually became the product owner until it was handed to offshore party. Commerce Portal It is a portal solution for TV consumers doing business on-line. I was responsible for the integration with a 3rd-party XML-engine. It presented more than 80,000 inventory items for purchase. ## Education ### Master of Science (MS) in Computer Science California State University-Sacramento ### Master of Business Administration - MBA in Entrepreneurship and Strategic Innovation; Business Analytics University of Illinois Urbana-Champaign ### Bachelor of Engineering (BEng) in Computer Engineering Dalian Maritime University ## Contact & Social - LinkedIn: https://linkedin.com/in/jianjujayliu --- Source: https://flows.cv/jianju JSON Resume: https://flows.cv/jianju/resume.json Last updated: 2026-04-17