Bruno Darshan Lopes Machado

Senior Software Engineer · Backend & Full Stack · Distributed Systems · Fintech · SRE

Phone: +55 (86) 99553-1707

Email: brunodarshan@gmail.com

LinkedIn: linkedin.com/in/brunodarshan

Location: Teresina, Brazil — Remote

Professional Summary

Senior Software Engineer with 8+ years of experience building and sustaining high-scale distributed systems, event-driven architectures and critical infrastructure modernization, across fintech (payments and recurring billing), real estate, healthcare supply chain and legal tech. Strong backend foundation in Ruby on Rails, Java, Kotlin and Node.js, with AWS, Kafka/SQS, Terraform and CI/CD. Hands-on with observability and SRE (Datadog, Grafana, New Relic, SLO/SLI, on-call, postmortems). Experienced in technical specs (RFCs), leading and mentoring multidisciplinary squads, and in using generative AI (Claude, Gemini) and custom MCP servers to boost engineering productivity.

Work History

Senior Software Engineer Vindi Pagamentos (Remote) — Sep. 2025 – Present
  • Engagement team in a POS (Point of Sale) context — features for customer retention, lifecycle optimization and loyalty metrics on high-criticality financial automation systems.
  • Payment gateway integrations (authentication, transactions, refunds) and recurring billing & subscription APIs — billing cycles, plans, upgrades/downgrades and failure handling.
  • Payment webhooks and events with idempotency and delivery-failure resilience; financial reconciliation reports ensuring data integrity across systems.
  • Cloud infrastructure as code with Terraform, validated and deployed through GitHub Actions and GitLab CI; SLO/SLI tracking.
  • Built custom MCP (Model Context Protocol) servers connecting LLMs (Claude, Gemini) to Jira, GitHub and GitLab.
Stack: Ruby on Rails · React · PostgreSQL · Redis · Sidekiq · Kafka · AWS · Terraform · GitHub Actions · GitLab CI
Senior Software Engineer III OLX Brasil — Zap Imóveis (Remote) — Nov. 2023 – Apr. 2025
  • B2B lead distribution system for Zap Imóveis — Java and Kotlin microservices with complex business rules at high scale.
  • Led maintenance of market data systems and ensured microservices reliability.
  • Queue-based infrastructure with AWS SQS FIFO + DLQ for strict ordering and guaranteed delivery; Apache Kafka consumers for data lake ingestion (ETL) and decoupled platform operations.
  • GraphQL BFF in Node.js/TypeScript with unit and integration tests in Jest.
  • Observability with Datadog, Grafana and New Relic; contributed to structuring SLO/SLI metrics.
Stack: Java · Kotlin · Node.js · TypeScript · Python · .NET · React · PostgreSQL · Kafka · AWS SQS · AWS · GitHub Actions · Datadog
Tech Coordinator & Senior Full Stack Developer Bionexo (Remote) — Nov. 2020 – Nov. 2023
  • Technical coordination of a multidisciplinary team of 5 engineers — technical planning, code reviews, mentoring and governance.
  • Led the replacement of legacy database view-engine reports with a real-time, data-driven architecture for the hospital supply chain market.
  • Delivered an MVP for a top-tier client migration to the main healthcare purchasing platform.
  • SRE: on-call rotation, incident postmortems and SLO/SLI metrics; stability and response-time monitoring with New Relic and Grafana.
Stack: Ruby on Rails · Java · Node.js · React · PostgreSQL · Elasticsearch · Redis · Sidekiq · AWS · OCI · Grafana · New Relic
Full Stack Developer Jus.com.br — Dec. 2018 – Nov. 2020
  • Maintained high-traffic distributed services for legal tech and refactored legacy systems, focusing on stability and architectural compliance.
  • Key participant in backend architectural decisions; tracked SLO/SLI for service availability.
Stack: Ruby on Rails · Go · Python · PostgreSQL · Elasticsearch · Redis · Sidekiq · Docker · Kubernetes · AWS
Mobile Developer (Contractor) AMC Publicidade — “Teresina em Dia” Android app — Jul. 2018 – Nov. 2018
  • Built an Android app in React Native + Expo — interactive city-zone map, stack navigation and REST API integration. Modernized in 2026 to React Native 0.81, Expo SDK 54 and React 19.
Stack: React Native · Expo · JavaScript · REST APIs

Technical Skills

Education & Certifications

Languages