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Pedro Henrique Bufulin de Almeida

Pedro Henrique Bufulin de Almeida

Software Engineer | Blockchain

Santa Mônica, Rua Marciano Santos 99 apartamento 402, Uberlândia, Minas Gerais, BR, 38408-112
(55) (34) 9 9904-2502
Portuguese, English

Background


About

About

software engineer with 6+ years of experience building and securing distributed systems, backend infrastructure, and blockchain applications. Experienced in scaling systems and cryptographic verification. Built systems that reduce attack surface, enforce correctness, and automate operational workflows. Strong background in Linux environments.

Work Experience

Work Experience

  • Software Engineer, Semiotic Labs

    Jan, 2024 - Feb, 20262 years 1 month

    Worked on cryptographic verification infrastructure for blockchain data across EVM and non-EVM networks. Focused on correctness, security, and reliability of distributed systems processing financial data.

    • Built Rust-based systems to validate blockchain state and detect inconsistencies across chains

    • Implemented cryptographic verification pipelines to ensure correctness of off-chain data

    • Developed zk-proof based systems to verify Uniswap pool data onchain

    • Worked with The Graph stack (subgraphs, substreams) to process and validate large-scale data pipelines

    • Improved system reliability on handling financial data

  • Founder, Bufulink

    Jan, 2020 - Apr, 20266 years 3 months

    Founded and operated a software consultancy focused on backend systems, infrastructure automation, and secure system design.

    • Built internal tools that minimized human error

    • Developed and audited smart contracts, ensuring correctness and reducing security risks in financial logic

    • Implemented chatbots and integrations that automated workflows and improved system observability

    • Managed infrastructure and deployments in Linux environments, emphasizing reproducibility and isolation

  • Tech Lead, Equals9

    Dec, 2021 - Dec, 20232 years

    Led development of a blockchain-based tournament platform with financial flows and reward distribution.

    • Designed backend services in Node.js on AWS Lambda to support secure and scalable platform operations

    • Built internal tooling to monitor smart contracts, transactions, and wallet flows

    • Implemented a secure Ethereum transaction signing system using AWS Nitro Enclaves to protect private keys

    • Developed token distribution mechanisms and analyzed system behavior through simulations

    • Improved reliability and security of financial flows involving user funds and on-chain interactions

  • Smart Contract Software Engineer, Bitboundaire

    May, 2022 - Jan, 20238 months

    Worked on blockchain integrations connecting on-chain logic with external data sources.

    • Developed smart contracts with focus on correctness and secure execution

    • Integrated off-chain data using Chainlink oracles

    • Ensured reliability and integrity of cross-system data flows

  • Frontend Developer, Getmore

    Mar, 2021 - Nov, 20218 months

    Built dashboards and monitoring tools for financial cashback systems.

    • Developed internal tools for monitoring financial operations and system activity

    • Improved visibility into system behavior through dashboards

    • Worked with React and TypeScript to build reliable interfaces for operational workflows

  • Full Stack Developer, Inngage - Engajamento de Usuários

    Jul, 2019 - Jan, 20206 months

    Worked on backend systems responsible for large-scale notification delivery.

    • Built backend services orchestrating push notification delivery pipelines

    • Improved SQL database structure and query performance

    • Refactored legacy systems to improve reliability and maintainability

    • Supported frontend-backend integrations for operational tooling

Projects Experience

Projects Experience

  • Self-Sovereign Camera System

    Jun, 2023 - Nov, 20235 months

    Distributed surveillance system with detection capabilities.

    • Built distributed architecture with multiple services

    • Focused on system reliability and data handling

Skills

Skills

  • Security Engineering

    Infrastructure Hardening

    Secure System Design

    Cryptographic Verification

    Threat Reduction

    Smart Contract Security

    Key Management

    Zero Trust Concepts

  • Systems & Infrastructure

    Linux

    Docker

    AWS

    Distributed Systems

    Backend Services

    CI/CD

    Observability

  • Programming

    Rust

    Node.js

    TypeScript

    Solidity

    SQL

  • Automation & Tooling

    Workflow Automation

    Internal Tools

    Scripting

    API Integrations

    Infrastructure Automation

Education

Education

  • Computer Science, Bachelor, UFU - Universidade Federal de Uberlândia

    Feb, 2017 - Apr, 2024