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Julios Rocha
From Brazil 01:38 AM (GMT-03:00)
$30/hr or $60,000/yr
Active 1 hour ago
Member since Oct 2026

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Full-Stack Engineer

Full-Stack Engineer
Available for hire
Years of experience
7+ years
Experience level
Senior
Available for
Full-time, Part-time, Contract
Available from
11 Nov 2026

Full-Stack Software Engineer with 7+ years of experience focused on designing, building, and maintaining scalable, high-performance systems. I have a strong command of distributed systems development, microservices architecture, and Event-Driven Architecture with Apache Kafka messaging. My technical stack includes Go (Golang), Node.js, TypeScript, and React, and I actively implement cloud-native solutions, particularly with AWS.

I have solid experience working in mission-critical environments where high traffic volumes demand a deep focus on resilience and data integrity. My background includes leading the structural design of financial pipelines, resolving complex systemic incidents, and continuously evolving observability metrics.

I adopt modern development approaches, with practical experience integrating advanced Artificial Intelligence agents into my workflow to accelerate development, execute structural migrations, optimize infrastructure, and resolve performance bottlenecks while maintaining strict technical quality standards.

Skills

JavaScript React.js Next.js Vue.js Node.js Express.js Redis Docker AWS Kubernetes Micro-frontends Microservices MongoDB PostgreSQL GitHub Figma CI/CD ChatGPT HTML Go BigQuery Apache Kafka Message queues

Languages

English

Employment History

Fullstack Engineer at Isaac 2025 - 2026
● System Resilience & Risk Mitigation ○ Led the investigation and implementation of a resilience mechanism for Kafka-based event consumption, introducing heartbeats and upgrading libraries to prevent silent failures in critical financial pipelines ○ Engineered a high-scale validation strategy using Blue-Green deployment, performing statistical comparison across 30M+ transactions to ensure 99.9% data parity and zero-impact rollouts for millions of users. ○ Identified and resolved critical race conditions in payment processing by implementing automated re-processing mechanisms, ensuring data consistency in highly concurrent distributed systems. ● Quality & Reliability Focus Engineered an automated validation workflow using LLMs to verify business logic changes in high-stakes financial engines, leveraging Kafka event replay and differential analysis to ensure zero errors. ○ Developed an AI-augmented observability dashboard to validate complex bank transfer configurations, reducing operational error rates to near zero by proactively identifying data discrepancies. ○ Developed automated reconciliation and validation workflows to detect and correct data inconsistencies, ensuring high-fidelity execution of critical financial pipelines. ● Skills: Go, React, TypeScript, GCP, SQL, Kafka, Redis, BigQuery, Datadog, Feature Flag
Software Engineer at OLX Brasil 2022 - 2025
● Architected and implemented the migration of the company's primary point of sale to a Server-Driven UI architecture, increasing revenue from this source by 12%. The solution was widely adopted in other applications company-wide, enabling dynamic control of business logic and validation rules from the backend, significantly reducing deployment risks, and ensuring the consistent enforcement of compliance standards across multiple platforms. ● Developed automated data entry systems for advertising metadata, reducing human error rates and significantly improving data accuracy and integrity during the ingestion process. This solution automated part of the ad insertion workflow, reducing total user time spent by 30% and providing a more seamless experience. ● Optimized integration with a third-party API, reducing the operational costs of an internal product by over 20%.Implemented a reconciliation mechanism for failed message reprocessing, eliminating financial errors in a workflow integrated with a paid external system. ● Skills: React, Next.js, Node, TypeScript, HTML, CSS, Tailwind, Design System, AWS, Postgres, MySQL
Software Engineer at Centro de Inovação EDGE 2019 - 2022
● Web & Multi-Framework Development: Frontend Engineer at an EMBRAPII unit affiliated with the Federal University of Alagoas (UFAL), developing innovation projects for several partner companies using React, Vue.js and TypeScript. ● Innovation & Complex UI: Contributed to the creation of an internal management system focused on user experience and developed an interactive tool utilizing the Canvas API, enabling the visual construction of diagram-based product catalogs. ● Leadership & Mentorship: Leveraging the university ecosystem, actively participated in talent development, mentoring students and recent graduates through their initial professional experiences in software development and coding best practices.

Education

Bachelor of Computer Science at Universidade Federal de Alagoas (UFAL) 2016 - 2022
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