**Lucas Saito**
Senior Backend Engineer
Plano, TX 75074
lucassaitooqp9p_bxp@indeedemail.com
+1 (603) 841-3910

### **Professional Summary**
Experienced Senior Backend Engineer specializing in system design and microservices architecture. Proficient in multiple programming languages, DevOps practices, and cloud infrastructure (AWS, GCP, Azure). Expertise in building scalable, high-availability distributed systems with modern technologies.

**Authorization:** Authorized to work in the US for any employer.

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### **Work Experience**

**Senior Backend Engineer**
*CodeSmith – Los Angeles, CA | May 2020 – Present*
- Migrated monolithic service to microservices, enabling horizontal scaling and increased throughput.
- Designed backend architectures using Node.js, Python, NestJS, and Django.
- Managed large-scale MongoDB deployments for scalable data storage.
- Implemented ELK stack (Elasticsearch, Logstash, Kibana) for log processing and visualization.
- Optimized CI/CD pipelines using Terraform, Ansible, and Jenkins.
- Hosted services on AWS, improving resource utilization.
- Transitioned team to Agile, boosting project delivery efficiency by 35%.

**Backend Engineer**
*Nexttech – Texas City, TX | Sep 2018 – Apr 2020*
- Built high-performance server-side applications with Java, SQL, and Spring Boot.
- Developed Kotlin/Java microservices, increasing YoY revenue by 15%.
- Managed Oracle DB, reducing data redundancy.
- Integrated AWS with Jenkins, accelerating deployment cycles.
- Enhanced debugging with Chrome DevTools and testing with Jest/Mocha.

**Backend Developer**
*Headspring – Dallas, TX | Sep 2016 – Aug 2018*
- Contributed to distributed system architecture for high availability.
- Developed server applications using Ruby, SQL, and Ruby on Rails.
- Resolved critical bugs using Kafka for message queue optimization.
- Migrated on-prem solutions to Oracle cloud services.
- Conducted testing with Selenium and trained teams on secure coding.

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### **Education**
**Bachelor’s Degree in Computer Science**
*University of Houston – Houston, TX | Sep 2012 – Aug 2016*

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### **Skills**
**Languages:** Java, Python, JavaScript, Kotlin, C/C++, Go, Rust, SQL, TypeScript
**Frameworks:** Spring Boot, Node.js, Django, Flask, FastAPI, Ruby on Rails
**Databases:** MongoDB, MySQL, PostgreSQL, Oracle, Cassandra, Redis, Neo4j
**Cloud & DevOps:** AWS, GCP, Azure, Docker, Kubernetes, Terraform, Jenkins, Ansible
**Testing:** Jest, Mocha, JUnit, Selenium, k6, JMeter
**Other:** Microservices, CI/CD, Agile/Scrum, Kafka, ELK Stack, REST APIs

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### **Certifications**
- CompTIA A+

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