C R I S T I A N
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About Me

Cristian Luna

Backend Software Engineer with 3+ years of experience building scalable systems for high-traffic platforms including Amazon Music. Skilled in Java, REST APIs, AWS, SQL/NoSQL, and event-driven architectures, with a proven record of debugging complex systems and delivering reliable backend solutions.

Hello There!

I’m Cristian Luna, a results-driven Backend Software Engineer with over 3+ years of hands-on experience designing, developing, and scaling high-performance backend systems using Java, Spring Boot, AWS, and REST APIs.

  • Available for Freelancing & Full-Time Opportunities
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3+ years of hands-on experience in Backend Development

Expert in Java, Spring Boot, REST APIs & Microservices

Hands-on with Event-Driven Systems & Message Queues

Cloud deployment experience on AWS

Strong expertise in SQL & NoSQL Databases

Services

What I Offer

💻 Full-Stack Development

I design and develop complete, scalable web applications from concept to deployment — combining modern technologies.

🚀 Cloud & DevOps

Deploying applications on AWS & Azure with Docker, Kubernetes, Jenkins pipelines, and CI/CD automation for faster delivery.

🔄 API & Messaging Systems

Building REST APIs, implementing OAuth2 & JWT security, and integrating event-driven workflows with Kafka, JMS, and RabbitMQ.

My Resume

A snapshot of my professional journey — showcasing my experience, education, and growth as a Full-Stack Developer.

💼Experience

Apr 2022 – Present

Software Development Engineer

Amazon Music – Culver City, CA

Backend engineer building scalable data pipelines and AWS-based event-driven systems for real-time analytics.

  • Built Java & TypeScript pipelines processing 2M+ daily events.
  • Developed AWS Lambda, S3, DynamoDB & SQS based automations.
  • Implemented event-driven services using Java & REST APIs.
  • Resolved production issues via logs, tracing & monitoring.
  • Tech: Java, TypeScript, Python, AWS, Docker, SQL, Git, CI/CD.
Sep 2018 – Dec 2019

Engineering Programmer

Brown University

Worked on Linux systems and real-time computer vision research tools.

  • Maintained Debian Linux environments for 1,200+ users.
  • Built vision-based assistive prototypes with real-time tracking.
  • Tech: Python, Linux, OpenCV, TensorFlow, NumPy, Git.
Feb 2019 – May 2019

Data Visualization Engineer Intern

Logistimo

Focused on ETL pipelines and interactive data visualization.

  • Optimized ETL workflows for transportation datasets.
  • Built interactive charts for KPI analysis.
  • Tech: Python, SQL, ETL Tools, Linux, JIRA.

🎓Education

May 2020

Bachelor of Science in Computer Science

Brown University — Providence, RI

Built a strong foundation in computer science theory, software engineering, and data-driven systems with hands-on experience in algorithm design, mathematical modeling, and full-cycle software development. Actively participated in team-based academic projects, research-oriented problem solving, and system-level programming.

Relevant Coursework:

Artificial Intelligence, Machine Learning, Discrete Structures & Probability, Software Engineering, Databases, Multivariable Calculus, Algorithms, Operating Systems

Pro Skills

Let’s Explore My Skills

Java (Expert)
95%
Spring Boot & Microservices
92%
PostgreSQL, MySQL, MongoDB
90%
AWS & Azure
88%
Kafka, JMS, RabbitMQ
87%
Docker & Kubernetes
85%
CI/CD (Jenkins,GitHub)
90%
Spring Security, OAuth2, JWT
85%

Works & Projects

Explore my professional projects across Web, Mobile, and Automation domains. These highlight my expertise in building secure, scalable, and enterprise-grade systems using technologies like Java, Python, C++, PHP, Kotlin, Spring Boot, React.js, Angular, Microservices, Kafka, Docker, Kubernetes, AWS, and Azure.

Advanced Java Spring Bootcamp
BootCamp & Training

CodingNomads | Advanced Java + Spring Framework Bootcamp | Jan 2021 – Dec 2021

Completed an advanced backend-focused program covering Core Java, OOP, Spring Boot, RESTful APIs, and database-driven development using MySQL and PostgreSQL. Built multiple API-driven and full-stack projects following MVC architecture with authentication, validations, and reusable service layers.

Worked in Agile sprints, practiced Git/GitHub workflows, performed debugging, code reviews, and developed end-to-end CRUD applications integrating Java Spring Boot backends with React/JavaScript frontends.

Tech Stack: Java, Spring Boot, REST APIs, React, JavaScript, MySQL, PostgreSQL, Git, GitHub, Agile.

Character Traits

Who I Am

Analytical thinker with strong problem-solving skills, experienced in designing scalable enterprise solutions.
Analytical
Problem Solver
Detail-oriented backend engineer with a focus on accuracy, reliability, and performance optimization.
Detail-Oriented
Quality Driven
Collaborative team player, thriving in Agile/Scrum environments and cross-functional projects.
Collaborative
Team Oriented
Adaptable and continuously learning, quick to embrace new tools, technologies, and domains.
Adaptable
Continuous Learner

contact

Get in Touch with Me!

My Location:

Lynwood, CA

Contact Number:

8632491895

Email Me:

cristian@webappn.com

Ready to kickstart your next project?

Let’s connect and collaborate on impactful solutions. I’m open to full-time opportunities, consulting, or freelance work.

Let's Talk

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