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Willie L P Silva

@willielpsilva

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Senior Backend Engineer at BairesDev modernizing legacy workflows into Python microservices with Apache Kafka.

Brazil

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What I'm looking for

I’m interested in remote opportunities with product companies where I can contribute to scalable backend platforms, distributed systems, AI-powered products, and developer-focused tools.

At BairesDev, I’ve been modernizing legacy Oracle-based workflows as Python microservices and implementing event-driven communication with Apache Kafka. I now contribute to a healthcare platform, developing features and maintaining production services with Python and FastAPI.

At Pam, I led architecture for Django applications and helped migrate a large Python 2 codebase to Python 3 incrementally without disrupting production. I also designed memory-efficient background processing services and automated deployments with Fabric.

Across transportation, healthcare, fintech, and enterprise software, I’ve worked on distributed systems, REST APIs, and cloud-native services. I’m expanding into AI/LLM application development with LangChain and LangGraph, and I build software products including DS-Archives and Linker.

Experience

Work history, roles, and key accomplishments

Current

Engenheiro de software

Current

BairesDev

May 2024 - Present (2 years 5 months)

As a Senior Backend Engineer, I've been working on large-scale backend systems across the transportation and healthcare industries, focusing on modernizing legacy applications and building cloud-native services.

My work began with the modernization of legacy Oracle-based workflows, redesigning them as Python microservices and implementing event-driven communication using Apache Kafka. This migrat

Software Developer Consultant

Pam

Oct 2022 - Apr 2024 (1 year 6 months)

As a Software Development Consultant and Partner, I was responsible for defining the technical direction of enterprise software projects, combining software architecture, technical leadership and hands-on development.

I led the architecture of Django-based web applications, helping design scalable and maintainable solutions while establishing engineering standards and best practices across the de

Software Developer at Provu

Provu

Jan 2022 - Sep 2022 (8 months)

As a Backend Engineer, I worked on a fintech platform built on a microservices architecture, focusing on backend services that support credit analysis and financial decision-making.

My work involved developing and maintaining Python-based microservices using Flask, as well as implementing asynchronous communication between services using Amazon SQS and RabbitMQ to support scalable and resilient b

Sr Software Developer

Pam

Oct 2016 - Dec 2021 (5 years 2 months)

As a Software Developer, I was involved in the complete software development lifecycle, working directly with customers to transform business requirements into software solutions and supporting projects from initial design through deployment and production.

During this period, I developed enterprise web, desktop and backend applications for clients across different industries, working with techno

Software Developer

TECSOFT

Oct 2014 - Nov 2016 (2 years 1 month)

As a Software Developer, I worked on enterprise software solutions spanning backend, desktop and web development, contributing to systems used in industries such as fuel retail and hospitality.

My responsibilities included improving the performance and maintainability of ASP.NET applications written in C#, developing and maintaining REST APIs, and building hybrid applications using HTML, CSS and