Lucas Vieira
Software Engineer | Backend | Java | Spring Boot | AWS | Python | REST API | CI/CD
Lençóis Paulista, São Paulo, Brazil
About
Software engineer focused on building scalable, innovative solutions that solve real problems.
Core Skills:
- Backend systems architecture and distributed computing
- AI model integration and automation pipelines
- Cloud infrastructure and DevOps practices
- Database design and high-performance data processing
- Production monitoring and system reliability
Technical diploma in Systems Development. Currently studying Computer Science.
Experience
- Built high-throughput data processing pipelines using Python (boto3, asyncio) with AI model integrations, handling large-scale automated workflows
- Designed scalable distributed systems architecture on AWS using SQS, EventBridge, and ECR for asynchronous processing, scaling system capacity by 10x+
- Architected multi-service backend infrastructure with comprehensive observability, implementing error tracking (Sentry), real-time notifications, and performance monitoring
- Implemented robust CI/CD pipeline with automated testing, containerized deployments, and controlled release processes
- Enhanced system reliability by implementing custom observability for distributed message flows using Lambda and CloudWatch metrics
- Developed an ETL pipeline handling millions of data entries, automating extraction, transformation, and loading of YouTube video data into PostgreSQL database on AWS
- Integrated Google Play Store and Apple App Store data to track app downloads daily in a performance dashboard (Google Looker Studio)
- Implemented UTM parameter tracking in Firebase, allowing precise attribution of app installs by identifying referring YouTube channels
- Built integration with Notion API, extracting YouTube video scripts from Google Docs and processing metadata
- Developed data pipelines in Docker and used AWS (S3, ECR)
- Engineered client-server solutions using Lua, orchestrating advanced server-client and inter-server communications with integrated HTTP APIs, analytics, and persistent operations that supported 50M+ users
- Developed mobile applications in Unity using C#
- Integrated in-game analytics tracking, following MVC architecture and using the ServiceLocator Pattern
Technical Skills
Programming Languages
- Java
- Python
- C#
- Lua
- SQL
Backend & Frameworks
- Spring Boot
- REST APIs
- ETL Pipelines
- Microservices
- Distributed Systems
Cloud & AWS
- AWS Lambda
- AWS SQS
- AWS EventBridge
- AWS ECR
- AWS S3
- CloudWatch
Databases
- PostgreSQL
- MySQL
- SQLite
DevOps & Tools
- Docker
- CI/CD
- Git
- Sentry
Languages
Portuguese
Native or Bilingual
English
Full Professional (CEFR C1)
Education
Certifications & Achievements
More About Me
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