Chandan Singh
Lead Engineer
Little Elm,TX
Summary
Lead Software Engineer with 13+ years of experience delivering large scale, customer facing platforms in retail and fintech. Strong blend of hands-on backend engineering and people leadership, with a proven ability to drive execution, align stakeholders, and ship complex systems under real world constraints. Known for unblocking teams, setting technical direction, and owning delivery end-to-end.
Overview
14
14
years of professional experience
Work History
Lead Engineer
Best Buy Inc
Richfield, MN
06.2017 - Current
- Led teams of 4–6 engineers across Search, Voice Platform, and TotalTech initiatives, owning delivery plans, technical direction, and execution quality.
- Partnered with product, business, and platform stakeholders to define scope, sequence work, and make pragmatic tradeoffs between performance, features, and timelines.
- Led delivery of Smart Search, coordinating product retrieval, facets, prompts, caching, and downstream ML integrations.
- Drove architectural changes that improved p95–p99 latency by ~30% vs Search 1.0, eliminating serial dependencies and shortening the critical path.
- Guided teams through parallelizing request flows, stabilizing performance under peak traffic, and reducing tail-latency regressions.
- Led design and rollout of the TotalTech Savings dashboard, aligning engineering, data, and marketing teams around shared contracts and delivery milestones.
- Improved TotalTech core endpoint performance by 60–70% through request-flow redesign, optimized data access, and tighter response contracts.
- Served as core developer for customer-facing Alexa and Google Home voice skills, building backend services using Node.js and JavaScript and contributing to React-based tooling for configuration and testing.
- Designed and implemented end-to-end voice interaction flows, integrating voice platforms with backend commerce and search systems for low-latency, reliable responses.
- Mentored engineers through code reviews, design sessions, and production incident retrospectives, improving code quality and delivery confidence.
- Owned delivery readiness including rollout plans, monitoring, and operational handoffs, reducing production incidents and recovery time.
Senior Software Engineer
Capgemini
Charlotte, NC
08.2016 - 06.2017
- Built secure, compliant REST APIs for mortgage and financial dashboards using Spring Boot.
- Acted as technical point of contact, translating business requirements into backend designs and coordinating across distributed teams.
- Led backend development for large-file ingestion and processing pipelines at TIAA.
- Reviewed offshore code, enforced quality standards, and ensured delivery timelines and regulatory compliance.
- Enhanced software functionality by identifying and resolving complex technical issues.
- Developed scalable applications using agile methodologies for timely project delivery.
Software Engineer
Menlo Technologies
Hyderabad, Pennsylvania
02.2013 - 08.2015
- Built backend systems to parse and process SEC filings into structured financial datasets.
- Developed REST APIs powering executive compensation analytics and benchmarking tools.
- Collaborated with analytics and frontend teams to support reporting and visualization needs.
- Delivered unit-tested systems within customer-prescribed timeframes.
- Implemented effective debugging strategies, resulting in fewer software defects and increased reliability.
Software Engineer
Cravaka Info Systems
Hyderabad, Pennsylvania
01.2012 - 02.2013
- Developed backend services for real-time GPS tracking of large-scale field operations.
- Implemented ingestion, persistence, and monitoring workflows to support live dashboards.
- Integrated new technologies into existing systems, increasing capabilities and improving overall performance.
Education
Master of Science - Computer Science
Silicon Valley University
San Jose, CA09-2016
Skills
Primary: Java (7–21), Kotlin, Spring Boot, WebFlux, Solr, Redis, GraphQL
Timeline
Lead Engineer
Best Buy Inc
06.2017 - Current
Senior Software Engineer
Capgemini
08.2016 - 06.2017
Software Engineer
Menlo Technologies
02.2013 - 08.2015
Software Engineer
Cravaka Info Systems
01.2012 - 02.2013
Master of Science - Computer Science
Silicon Valley University