Mauricio – Python, React, Typescript

Software consultancy delivering end-to-end product development, from building MVPs from scratch to extending existing applications and supporting their infrastructure.

• Co-founded the company with a business partner and later became the sole proprietor, overseeing both client engagements and technical delivery;
• Partnered with clients across multiple industries and markets to deliver end-to-end software development and consulting services;
• Scoped client engagements, translated business requirements into technical solutions, and defined architecture and technical direction while remaining hands-on with development;
• Built MVPs from scratch, extended existing products, and supported the infrastructure required to run them;
• Delivered an ISP management dashboard for a Finnish client using Ruby on Rails and PostgreSQL;
• Delivered a scheduling application for healthcare clinics in Brazil using Ruby on Rails, React, and PostgreSQL;
• Supported an early-stage legal technology product with company culture, product strategy, and MVP planning in collaboration with senior stakeholders, including the CTO;
• Managed and mentored a junior developer, providing technical guidance and supporting delivery of bespoke client solutions;
• Developed client solutions using Ruby on Rails, React, Node.js, Django, GraphQL, and REST APIs, with more recent work involving LLM integrations.

Decentralized ISP providing fixed wireless internet and networking hardware, with customer-facing, network operations, and e-commerce platforms supporting connectivity management and hardware sales.

• Engineered the decentralized ISP operating stack across customer dashboard, shared UI, Deployer OSS/BSS, APIs, workers, and headless commerce;
• Built and shipped customer-facing features on dashboard.dawninternet.com, including login via Extension API, account recovery, and referrals and rewards UX;
• Designed API endpoints and SQL aggregations powering pings visualizations across API and dashboard;
• Implemented epoch-aware reward logic and validator-side fixes and tests to keep reward points and time-series charts accurate across weekly intervals;
• Built the storefront from scratch on Shopify Hydrogen hosted on Oxygen using the Storefront API and GraphQL for catalog, cart, and checkout;
• Delivered coupon, referral, and reward features across storefront and dashboard;
• Hardened OpenWiFi and Nautobot provisioning with validation, logging, retries, and incident fixes;
• Executed the SendGrid email delivery migration between environments, ensuring continuity of Beta communications.

Internet service platform for residential apartment buildings, supporting online subscriptions, network provisioning, billing, installation scheduling, customer management, and network monitoring.

• Led modernization of the company’s platform, delivering architectural changes across billing, customer onboarding, service provisioning, and installation scheduling;
• Owned billing, account management, service, and scheduling functionality within a Django monolith;
• Implemented two-factor authentication for admin and customer applications, supporting SOC 2 readiness;
• Migrated CI/CD from GitLab to GitHub Actions while upgrading Django and integrations with Stripe and Nautobot;
• Automated Stripe billing workflows, SMS notifications, and appointment reminders, reducing manual operations;
• Designed building and unit data models and migration tooling to support new network provisioning workflows;
• Built SQL aggregations powering usage and network health dashboards for support teams and property managers;
• Delivered property manager invitation and promotional reward features supporting customer acquisition and retention initiatives.

A user-friendly HR platform that streamlines administrative tasks and ensures compliance.

• Played a key role in developing and evolving the HR platform;
• Built Zapier 2.0 triggers to support workflow automation;
• Integrated Segment Analytics across Workflows, Reports, and Documents;
• Expanded Timeline Permissions and Timeline Notes functionality;
• Delivered billing integration with the CyberSource payment gateway;
• Developed billing and UNUM partner integrations to streamline payment workflows and strengthen system connectivity;
• Produced clean, well-tested code and actively participated in code reviews and architecture discussions;
• Optimized team processes and owned large, complex epics spanning multiple layers and dependencies.

Multi-tenant SaaS platform for managing medical projects, enabling teams to configure workflows, process data in bulk, track work across stages, and generate documents.

• Developed Node.js and TypeScript backend services with Express and NestJS for multi-tenant medical project workflows;
• Built BullMQ and Redis job pipelines for asynchronous and background processing;
• Implemented bulk XLSX data imports and automated PDF document generation;
• Developed functionality supporting configurable workflows and movement of work across project stages;
• Wrote Jest and Mocha tests following a test-first development approach;
• Deployed and operated Dockerized services on Google Cloud using Cloud Run and Pub/Sub.

E-commerce and editorial platform for luxury watches, offering new and pre-owned products across the US and Japan, alongside editorial content, watch insurance services, and a dedicated community platform.

• Joined a staff-augmentation team supporting the development and evolution of a luxury watch e-commerce and editorial platform across the US and Japan;
• Developed storefront and editorial features using Ruby on Rails and React;
• Contributed to improving software development processes while collaborating with an international team of consultants;
• Implemented accessibility improvements, push notifications, analytics, and homepage content scheduling;
• Developed and maintained Shopify integrations supporting e-commerce workflows;
• Built document handling workflows for a custom watch insurance service;
• Contributed to the evolution of the company’s in-house CMS, insurance, and community platforms.