Francis Lagueu

Lead backend/full-stack engineer with 8+ years delivering marketplace, fintech, and care coordination products; shipped 25+ production features and supported platforms used by 200+ internal users and thousands of end customers. Strong backend foundation in Scala (Play Framework), Java (Spring/Struts), and TypeScript (Node.js/NestJS), with hands-on REST API integration, data modeling, asynchronous processing, and PostgreSQL-backed platform architecture. Experienced leading end-to-end delivery of full-stack platforms with Next.js, NestJS, TanStack Query, Zustand, and AI-enabled workflows, including Google Vertex AI scheduling automation.

Product-minded collaborator who ships quickly and iterates safely, balancing reliability, maintainability, and time-to-market; reduced critical production defects by ~30% through targeted refactors, stronger test coverage, and safer release practices.

Lead Software Engineer at CDO Solutions (2025-10 – Present)

• Lead an engineering team through the end-to-end architecture and implementation of a comprehensive care coordination platform using a full-stack Next.js and NestJS architecture backed by PostgreSQL.
• Integrated Google Vertex AI to engineer an intelligent scheduling agent, automatically parsing users' connected calendars to recommend optimal appointment and chaperone time slots.
• Designed a highly responsive frontend leveraging TanStack Query for data fetching and Zustand for scalable state management, successfully delivering the platform's Proof of Concept (PoC) and Alpha versions via Jira-tracked sprints.

Software Engineer at Angi Inc. (2021-12 – 2026-01)

• Led development of mission-critical workflows for an enterprise portal (React, Next.js, TypeScript, Material UI), delivering 10+ complex API-backed forms and admin tools used by 200+ internal users; improved workflow completion time by ~25%.
• Modernized flagship CRM (BETTI) by integrating Spring Boot microservices with legacy Struts/Spring systems, reducing API error rates by ~20% and cutting on-call tickets by ~30% through stronger validation and safer rollouts.
• Optimized Ads & Leads APIs (Scala/Play) and Next.js user flows, improving p95 API latency by ~15% and increasing lead creation success rate by ~10% via payload tuning, caching, and defensive error handling.
• Resolved 50+ stability bugs across frontend and backend; strengthened unit/integration tests and CI checks to reduce regressions and support weekly releases.

Software Engineer at InvestCloud, Inc. (2019-05 – 2021-12)

• Architected a reusable AML screening component integrating Equifax Anti-Money Laundering APIs; standardized request/response mapping and enrichment for 5+ client workflows, reducing integration effort by ~40%.
• Built an asynchronous trading order-status processing engine (Java/Groovy/Oracle) that ingested and reconciled 10k+ external updates/day; improved reliability and reduced duplicate/late updates by ~25% using idempotency and concurrency-safe batching.
• Designed an internal framework for account opening and onboarding with a third-party trading platform, reducing end-to-end onboarding time from days to hours by automating validations and status tracking.
• Implemented entity account creation via APEX Clearing House APIs and automated workflows via Jenkins, decreasing manual steps by ~30% and improving auditability with structured logs and error reporting.

Software Engineer at Andromeda Software, Inc. (2017-06 – 2018-10)

• Developed and maintained Adobe InDesign plugin panels (JavaScript/ActionScript), resolving 30+ defects and improving stability for production publishing workflows.
• Designed UI tooling for color selection and image positioning/resizing, reducing layout creation time by ~20% for common templates and page types.
• Partnered with QA and documentation to ship marketing site releases with zero critical launch-day issues across multiple client rollouts.

M.S. in Computer Science – California State University, Northridge (2018)

B.S. in Computer Science – California State University, Northridge (2017)