About
Ariel is a highly accomplished Software and Data Engineer with over 20 years of expertise in designing, building, and maintaining complex software systems. He excels in architecting scalable backend platforms, optimizing large-scale financial data systems, and leading full-stack development. Currently, he is focused on AI systems engineering, specializing in agentic architectures, LLM integrations, and autonomous workflow orchestration, demonstrated by the successful launch of an AI-assisted CV platform.
Work
BairesDEV/HCG Fund Management
|Senior Software Engineer
Remote, Brazil, Brazil
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Summary
As a Senior Software Engineer at BairesDEV/HCG Fund Management, Ariel designed and maintained critical financial data systems, focusing on validation frameworks, ETL pipelines, and scalable backend platforms.
Highlights
Designed and maintained a Java 21/Gradle validation framework with advanced rules and roll-forward checks, achieving over 90% SonarQube coverage and delivering JSON/S3 outputs.
Optimized PostgreSQL schemas and queries for large-scale financial data, implementing deduplication, ownership logic, and schema migrations to enhance performance.
Operated and managed services within Kubernetes (EKS) using Helm/FluxCD, successfully leading service migrations and troubleshooting critical infrastructure issues like replication lag and DNS failures.
Drove validation, infrastructure, and data quality initiatives, maintaining comprehensive documentation and providing essential on-call production support.
Collaborated with multidisciplinary teams to improve developer productivity, system reliability, and overall data integrity across projects.
Involves
|Senior Software Engineer
Remote, Brazil, Brazil
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Summary
As a Senior Software Engineer at Involves, Ariel contributed to full-stack development, API integrations, and cloud infrastructure leveraging Java, Spring Boot, Node.js, and AWS.
Highlights
Developed robust backend systems and APIs utilizing Java 8+, Spring Boot, and Node.js to facilitate complex data processing and integrations.
Contributed to frontend development using React and Angular 2, enhancing user interfaces and experience for key applications.
Implemented scalable cloud solutions using AWS services including Lambda, SQS, S3, and EC2 to support critical operations.
Lume Tecnologia
|Software Architect
Brazil, Brazil, Brazil
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Summary
As Software Architect at Lume Tecnologia, Ariel defined strategic architectural approaches, oversaw project execution, and led full-stack development to deliver high-quality, scalable software solutions.
Highlights
Defined and implemented architectural approaches, making critical design decisions that guided software development from conception to hands-on implementation.
Oversaw project progress, rigorously enforcing coding standards and ensuring delivered solutions consistently met high requirements for quality, security, and scalability.
Architected and delivered new software solutions from scratch, independently selecting programming languages, database models, and technical stacks, ensuring functionality both online and offline.
Modernized a critical legacy system using modern technologies, achieving seamless data consistency and successful migration from the outdated platform.
Led comprehensive full-stack development efforts across a mixed technology stack including Java, Angular 2, Node.js, Electron, SQLite, DB2, and MySQL.
BRQ IT Services/Sascar (Michelin Group)
|Full Stack Developer
Brazil, Brazil, Brazil
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Summary
As a Full Stack Developer at BRQ IT Services/Sascar (Michelin Group), Ariel contributed to feature design, implemented full-stack solutions, and optimized system performance for key projects.
Highlights
Contributed to key feature design decisions and delivered end-to-end full-stack implementations for web applications.
Implemented system internationalization, successfully enabling Spanish language support for enhanced user accessibility.
Refactored and modernized the user interface, improving user experience and application aesthetics.
Optimized system performance and scalability, leading to improved application responsiveness and capacity.
Education
Federal University of Technology - Parana
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Master's (Unfinished)
Data Mining & Artificial Intelligence
Courses
Completed coursework; thesis not finished.
Pontifícia Universidade Católica do Paraná
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Postgraduate Degree, Specialization
Web Technologies
Universidade Estadual do Centro-Oeste
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Bachelor's Degree
Systems Analysis (Computer Science)
Skills
Artificial Intelligence & Agentic Systems
Autonomous Agents, Multi-Agent Workflows, LLM Integrations, OpenAI Agents SDK, CrewAI, LangGraph, AutoGen, Docker, Cloud Deployment, CI/CD Integration.
Software Architecture & Design
System Design, Architectural Decision-Making, Scalability, Maintainability, Clean Code Practices.
Backend Programming
Java (8-21), Spring, Spring Boot, Play Framework, Kafka, Python, Django, Django REST Framework (DRF), FastAPI, Flask, Pandas.
Frontend Programming
ReactJS, Angular 2, JavaScript.
Databases
PostgreSQL, DuckDB, MySQL, MS SQL, DB2, MongoDB.
Infrastructure
AWS, Terraform, Kubernetes (EKS), Docker, Helm, FluxCD, Azure.
CI/CD & Testing
Jenkins, Github Actions, JUnit, TestNG, Mockito, SonarQube.
Version Control
Git, SVN.