Iuri Lugão Machado

Senior Elixir Software Engineer

Arionkoder

Jan 2026 - Current (9 months)

Senior Elixir Engineer

PepsiCo

Sep 2025 - Dec 2025 (4 months)

Spearheaded development of an EDI X12 integration platform via AS2 and SFTP using Elixir, Phoenix, and Oban, backed by PostgreSQL and Kafka, delivering scalable B2B data exchange capabilities. Established Spec Driven Development practices for AI-augmented coding workflows.

Senior Elixir Developer

Erlang Solutions

Mar 2020 - Sep 2025 (5 years 7 months)

Spearheaded the technical integration of a major US bottler's e-commerce platform with their mission-critical legacy warehouse and ERP systems (EDI x12), utilizing a robust Elixir, OTP, and Phoenix stack, complemented by GraphQL with Absinthe and Oban. This engineered a seamless data pipeline that dramatically improved automation and optimized data flow across the enterprise by reducing manual intervention by 90% of the orders and accelerating data processing by one day. Designed and implemented a pivotal order splitting system, powered by advanced optimization algorithms developed in Elixir. This delivered a verifiable reduction in third-party logistics costs by approximately $1 million per quarter. Key contributor to a groundbreaking AI-d

Software Consultant

Erlang Solutions

Feb 2020 - Current (6 years 8 months)

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Senior Analyst

Apr 2019 - Dec 2019 (9 months)

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Senior Elixir Developer

Apr 2019 - Dec 2019 (9 months)

As technical lead, spearheaded the development of a fault-tolerant wallet and payments system using Elixir and PostgreSQL, featuring a Phoenix and Ecto backend with Absinthe-powered GraphQL API for mobile integration. This system was designed as the user banking face of the platform, processing thousands of transactions daily. Led the creation of a sophisticated risk analysis and pricing system, involving intricate integrations with the Brazilian Exchange (B3). Developed using Python and Django due to the availability of extensive financial libraries. Instrumental in establishing a compliance-aligned CI/CD pipeline using CircleCI, enabling rapid and reliable deployment of both applications on AWS Fargate and Elastic Beanstalk, removing the

Elixir Software Developer

Rezolve AI

Aug 2018 - Apr 2019 (9 months)

Directed a critical database migration from MongoDB to PostgreSQL/CockroachDB to enhance support for the system's relational data structure, bringing the project to near completion. The platform, built with Elixir and Phoenix, utilized Ecto as the data layer and JSON APIs for front-end integration. Played a key role in architecting the company's payment processing engine, using Elixir, Phoenix, and Ecto. Designed to handle diverse acquirers and payment scenarios, including major Chinese payment platforms like Alipay and WeChat Pay, processing up to thousands of transactions per day.

Software Developer

Rezolve AI

Aug 2018 - Apr 2019 (9 months)

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Elixir Software Developer

Aug 2017 - Aug 2018 (1 year 1 month)

Core contributor to the complete rewrite of a monolithic legacy Elixir, Phoenix, and Ecto application, strategically transforming it into a cutting-edge, cloud-native microservices architecture. Key responsibilities encompassed full lifecycle development of critical financial services: including a high-throughput acquiring service for transaction processing, a robust PCI-compliant credit card storage system, and a sophisticated settlement system for automated financial reconciliation. All services were engineered using Elixir, Phoenix, OTP, and Ecto, underpinned by a PostgreSQL database. Integrated these mission-critical services through a strategic blend of REST APIs and AWS SNS calls for seamless interoperability and real-time event-drive

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Software Developer

Aug 2017 - Aug 2018 (1 year 1 month)

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Elixir Software Developer

Dec 2016 - Jun 2017 (7 months)

Primary focus was leading the migration of a monolithic Ruby on Rails application to a more performant and scalable architecture utilizing Elixir and Phoenix, incorporating Channels for real-time interaction, and Ecto for robust data management. This strategic overhaul resulted in a tenfold increase in performance and scalability, particularly crucial for managing peak loads associated with tracking extensive student reading records. Contributed to the development of the examination module, enabling teachers to collaboratively build exams based on specific books, which students would then use to answer questions. This teacher-facing component facilitated real-time, multi-teacher interactions for collaborative exam development. The applicati

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Software Developer

Dec 2016 - Jun 2017 (7 months)

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Company Owner

Nov 2016 - Current (9 years 11 months)

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Software Developer

Sep 2016 - Oct 2016 (2 months)

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Software Developer

Airfy

Mar 2016 - Aug 2016 (6 months)

Worked as a contractor developing microservices.

Software Intern

TOTVS

Oct 2014 - Oct 2015 (1 year 1 month)

Gained extensive experience in advanced bug fixing, specifically addressing complex concurrency issues within Java applications. Focused on resolving critical integration challenges involving Java Native Interface (JNI) with C++ middleware, primarily for digital TV and set-top box platforms across multiple vendors in the Brazilian Digital TV market.

Intern

TOTVS

Oct 2014 - Oct 2015 (1 year 1 month)

- Porting and maintaining software to architectures most used on embedded systems.

Iuri Lugão Machado

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Iuri Lugão Machado

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