Jaime Huarsaya
Rivera

Led 6-month refactoring consolidating 3 models + PostgreSQL view into a single optimized model — improving query performance and system clarity for 4+ engineers, and enabling precise user access tracking previously obscured across database views and policy scopes. Created detailed before/after architecture diagrams to facilitate cross-team decision-making across engineering, product, and data stakeholders.

Integrated Freyda/Nomad AI APIs to automate document ingestion from client portals, emails, and external systems — eliminating manual uploads and reducing data quality issues by 90%. The customer support team shifted focus from manual processing to high-value client support.

Resolved critical data integrity issues in the AI document processing pipeline. Delivered database repair scripts for 50K+ documents and proposed architectural improvements that were adopted by the engineering team.

Built document access visualization with advanced filtering, giving company admins real-time audit capabilities for investor document permissions across the entire platform. Implemented automated document validation that flags clarity issues for the data team, improving accuracy of investment reporting for end clients.

Identified and fixed a performance regression in company core React components — opened hotfix PR benefiting all product teams and coordinated a long-term solution with the frontend team. Active product contributor during discovery: questioning user flows, identifying edge cases, validating technical feasibility, and breaking down complex requirements into parallel-executable tasks.

Led 18-month performance optimization initiative reducing critical endpoint response times by 70%+ through strategic database indexing, query optimization, and backend refactoring across the Terra Performance team.

Designed bulk update service processing 100K+ records efficiently using Rails and custom SQL, enabling new data management workflows for the operations team.

Established monitoring and alerting infrastructure improving bug detection speed by 40%, enabling proactive issue resolution before customer impact. Facilitated technical planning sessions, requirements workshops, and pair programming to maintain team alignment.

Technical lead for multiple cross-team features, coordinating with product, design, and engineering stakeholders. Mastered Vue.js component architecture — lifecycle hooks, computed properties, reactive templates — applying these patterns to build performant UIs, later translating that knowledge to the React ecosystem.

Owned authentication/authorization overhaul for Founder Music using Devise + Pundit, enabling secure role-based access control for music industry professionals. Led zero-downtime migrations — Rails 4→5 and Elasticsearch 4→6 — for a production app serving thousands of daily users.

Built one-click delivery feature in React Native enabling seamless order fulfillment through DoorDash and Onfleet APIs, handling async state management and error recovery for a mobile app serving 5K+ monthly users. Also built the delivery integration layer connecting Solidus e-commerce with those APIs.

Designed REST API for driver payroll automation, aggregating data from multiple third-party services with error handling and retry logic — reducing manual processing from 8 hours/week to <1 hour while eliminating calculation errors entirely.

Developed Elasticsearch-powered task search for GuideCX (formerly Beynd) with GraphQL API using Rails backend and React frontend. Implemented Metabase analytics dashboard giving business stakeholders self-serve access to real-time metrics and KPIs.

Founded consultancy to build a high-performance Java POS application for resource-constrained environments (<256MB RAM). Led a team of 2 engineers + 2 designers, conducting design reviews and facilitating technical mentorship using Agile practices (Jira, Trello, Slack) — taking the product from concept to production with pixel-perfect implementation.

Built AI agent system using CrewAI + OpenAI API to automate video editing workflows with Openshot integration, orchestrating multiple AI models with Python. Developed intelligent automation tools combining LLMs with traditional APIs for client business process optimization.

Built multiple React apps using Vite + TypeScript + React Router with modular architecture and reusable component patterns. Created full-stack apps connecting React frontends (axios, Redux, Zustand) with Rails APIs. Built a Rails application for temple facilities management with a WebAssembly PDF reader — reducing mobile PDF crashes to 0%.

Created a JavaScript SDK wrapping Google Maps API with a simplified interface for common mapping use cases. Maintained and customized Open Journal Systems (OJS) for Universidad Nacional de San Agustín — managing frontend customizations, server infrastructure, technical support, and institutional contracts. Deployed production Rails apps to DigitalOcean VPS with Capistrano automation.