darkm.devresume

Matheus Bortoletto

Principal / Staff Software Engineer

Summary

Software engineer with experience bootstrapping backend foundations, infrastructure, and core product loops at early-stage startups. Heavy focus on distributed systems, cloud infrastructure, and production AI agent architecture. Usually brought in to take platforms from zero to production, build core monetization features, or salvage mission-critical projects that stalled.

Professional Experience

OppiziGlobal Remote
Principal / Staff Software EngineerPresent
  • Agentic Orchestration & Observability: Architected core infrastructure for complex, distributed workflows and multi-agent systems leveraging Temporal; integrated Langfuse for comprehensive LLM tracing, prompt versioning, and token budget analytics.
  • AI Developer Platform: Designed and deployed a containerized developer experience platform using Docker and Claude Code, abstracting deep technical contexts to allow non-technical stakeholders to securely build and validate features.
  • Infrastructure Turnarounds: Acted as primary AWS infrastructure owner; successfully revived, stabilized, and refactored multiple mission-critical legacy projects.
  • Core & Growth Leadership: Led the Core Engineering and Adoption teams through an internal reorganization, driving localized NPS improvements and delivering a custom US tax compliance engine.
  • Revenue Generation: Engineered a technical proof-of-concept for a new distribution channel, unblocking bottlenecks and directly unlocking $800K in ARR.
SuaQuadraSão Paulo, Brazil
Founding Software Engineer
  • Platform Ownership: Technical owner of the client-facing demand platform; built the core marketplace architecture using Golang (Gin), Postgres, and Next.js from scratch.
  • Systems Engineering: Engineered distributed microservices for real-time event scheduling, localized OTP authentication, geospatial functionality, and deep HubSpot CRM synchronization.
  • Growth Stack Architecture: Implemented a high-performance growth pipeline (Technical SEO, GTM, Amplitude, TikTok/AdWords pixels), maintaining a 95+ PageSpeed score via advanced SSR.
  • Infrastructure & CI/CD: Deployed and maintained containerized environments using Kubernetes, GCP, Keycloak, and ArgoCD for continuous, zero-downtime delivery.
BuserSão José dos Campos, Brazil
Tech Lead / Senior Software Engineer (Buser Encomendas)
  • New Business Venture: Partnered with leadership to bootstrap "Buser Encomendas" from zero, incubating and building a brand-new cargo and parcel logistics vertical entirely within the existing Buser ecosystem.
  • TMS Engineering: Designed, developed, and launched the core Transportation Management System (TMS) natively integrated with complex Brazilian government regulatory and fiscal APIs.
  • Mobile Ecosystem: Designed and delivered a QR-code-based mobile application (React Native) for real-time cargo tracking and logistics operator warehouse routing.
  • Team Scaling: Scaled the engineering unit from 1 to 5 developers; designed the technical interviewing pipeline and engineered onboarding documentation.
VuxxSão Paulo, Brazil
Software Engineer
  • Delivery Tracking & UI: Engineered real-time delivery tracking features, native app enhancements, and core client portals to optimize fleet management efficiency.
  • Mobile Scanner Optimization: Integrated a highly performant QR-code scanner into the native delivery mobile application to significantly streamline driver check-ins and package processing.
  • Production Stability: Provided continuous support and system maintenance across the fleet logistics architecture, resolving core service degradations and executing brand-aligned platform redesigns.
Batepapo UOLSão Paulo, Brazil
Software Engineer
  • UI Modernization & Performance: Refactored and modernized legacy chat interfaces into highly interactive React+Redux web applications handling high-concurrency traffic.
  • Monetized Features: Developed and launched premium user engagement primitives, directly supporting new revenue streams through the implementation of VIP accounts, a premium sticker marketplace, and private chat photo-sharing capabilities.

Education & Certifications

  • MBA in Business Administration — USP/Esalq (Thesis: Analysis of the production of scientific content about Startups in Latin America) 2020
  • Bachelor of Technology Systems Analysis and Development — Instituto Federal de São Paulo 2019
  • Certifications: Data Structures & Algorithms (LeetCode, 2024) · TechLead Leadership Program (ITFL, 2023)

Technical Skills

Languages
Golang, Python, JavaScript/TypeScript, PHP, Kotlin, SQL
Frameworks
Next.js, React, Django, Gin, Vue, Laravel
AI & Orchestration
Temporal, Agno, Langfuse, Agentic Harness, Evaluation, Ollama
Cloud & Infra
AWS, GCP, Docker, Kubernetes, ArgoCD, GitHub Actions, PostgreSQL, MongoDB, SQS, S3, RabbitMQ
Growth & Data
Amplitude, Segment/GTM, HubSpot, Technical SEO