N

Nathan Parraga Thiesen

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São Paulo, Brazil

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Résumé


Jobs verified_user 0% verified
  • H
    Senior Backend Engineer
    HIglobe
    Mar 2025 - Current (1 year 4 months)
    • Designed the banking partner integration abstraction, enabling new partners to be onboarded against a common interface — reducing per-partner engineering effort across the team. • Delivered backend components for Higlobe's credit card product as part of a cross-functional team effort, owning my surface area from design through production. • Expanded the backend observability platform, extending monitoring, tracing, and alerting coverage across services on AWS to improve operability and incident response.
  • Z
    Senior Software Engineer
    Zefi.ai
    Jun 2024 - Mar 2025 (10 months)
    • Owned end-to-end delivery of AI agent and chat assistant features for the customer-facing product, working full stack across backend services, the RAG pipeline, and React frontend. • Established the organization's cloud infrastructure from scratch, designing and implementing the Terraform foundation on AWS that the team builds on. • Stood up the observability platform from zero, instrumenting services with OpenTelemetry to give the team production visibility into the AI pipeline.
  • Fractal
    Senior Full-Stack Engineer
    Fractal
    Apr 2023 - Jan 2024 (10 months)
    • Contributed to the development of idOS, a decentralized identity protocol for web3, building on Kwildb — a decentralized SQL database — while Kwil itself was still in active development. • Worked on Fractal's KYC engine, the system powering identity verification across the platform's web3 integrations. • Resolved performance bottlenecks across the KYC backend — slow endpoints, inefficient database queries, background job throughput, and third-party integration latency — improving the responsiveness of the verification pipeline.
  • M
    Cloud Engineer
    Mineiros
    Oct 2021 - Apr 2022 (7 months)
    • Built a Go CLI tool from scratch that automatically generated documentation for Terraform modules, streamlining maintenance of Mineiros' large module library. • Contributed to Mineiros' open-source Terraform modules — widely used across the IaC community — alongside internal modules spanning GCP, AWS, and GitHub providers.
  • Passbase
    Senior Software Engineer
    Passbase
    Jun 2021 - Oct 2021 (5 months)
    • Built new Go services from scratch with a focus on reliability, observability, and performance. • Designed and shipped production infrastructure for the Data Intelligence domain as part of a team — authoring Terraform/Terragrunt modules deployed on AWS with Vault and Nomad. • Maintained the legacy Ruby on Rails API alongside the Go migration work.
  • cargo.one
    Senior Software Engineer
    cargo.one
    Dec 2020 - May 2021 (6 months)
    • Contributed across multiple product areas of cargo.one's Python + gRPC microservices on Kubernetes/GCP, including Airflow data pipelines.
  • Chattermill
    Senior Software Engineer
    Chattermill
    Mar 2020 - Aug 2020 (6 months)
    • Designed and led implementation of a clean-architecture refactor of legacy monolithic services, introducing the patterns and structure the team built on going forward. • Owned major pieces of the REST APIs powering Chattermill's analytics and dashboards features. • Contributed to team-wide architectural discussions and agile process improvements.
  • Marley Spoon
    Senior Software Engineer
    Marley Spoon
    Jul 2018 - Mar 2020 (1 year 9 months)
    • Owned major pieces of the internal tools and operations domain, shipping features across the systems that supported Marley Spoon's logistics and fulfillment workflows. • Contributed to the company's event-driven platform on Kafka with Avro schemas, building and maintaining services that exchanged events across the wider microservices architecture. • Developed and maintained REST and GraphQL APIs alongside React + Redux frontends, working full-stack across the product surface. • Mentored junior engineers on patterns, code review, and shipping practices.
  • Zendesk
    Software Engineer
    Zendesk
    Feb 2017 - Jun 2018 (1 year 5 months)
    • Co-inventor on a Zendesk patent for a web widget that facilitates telephone calls between customers and support agents (US Pat. 11,595,523), originating from work on Zendesk Talk's customer-facing voice channels. • Contributed across Zendesk Talk — a real-time telephony product spanning voice, call routing, agent-facing real-time UI, and integrations with the wider Zendesk ecosystem. • Worked on a system that needed to be robust, low-latency, and reliable at scale, contributing across the full development lifecycle.
  • G
    Full-Stack Developer
    GoConqr
    May 2016 - Nov 2016 (7 months)
    Social e-learning platform built on Ruby on Rails and Backbone.js.
  • R
    Full-Stack Developer
    Resultados Digitais (RD Station)
    Feb 2014 - May 2016 (2 years 4 months)
    • One of the lead full-stack engineers on RD Station, a marketing automation SaaS serving 2,500+ B2B clients at the time, making architecture and design decisions across the platform during a period of rapid growth. • Developer of the Lead Scoring project and architect of the lead segmentation and custom fields features — three of the platform's core data and targeting capabilities. • Shipped CRM integrations (Pipedrive, Salesforce, Agendor, others), social media posting and monitoring, and the in-app Google Analytics conversion reporting.
  • V
    Php/Java Engineer
    VH Soluções em Informática
    May 2013 - Feb 2014 (10 months)
    Started as lead PHP engineer; later joined the Java team developing document management, public administration, and budget systems for the Legislative Assembly of Santa Catarina.
  • V
    Qa Assistant
    Vista Software
    Sep 2011 - Nov 2012 (1 year 3 months)
    Implemented the company's Quality Management System, leading to its ISO 9001:2008 certification.
Projects (professional or personal) verified_user 0% verified
  • I
    Independent Project & Sabbatical
    Apr 2022 - Apr 2023 (1 year 1 month)
    Mix of personal audio engineering projects and time away from full-time employment.