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Hi, I’m Jeffrey Rene, a senior software engineer with 15+ years of experience building and scaling distributed, high-availability systems. I specialize in React, Java, Node.js, Python, and Scala, and I’ve designed microservices, RESTful and event-driven architectures, and performance-critical backend services. I enjoy turning complex requirements into reliable, scalable solutions. I’ve led design reviews, collaborated with SREs to set SLOs and error budgets, and guided refactoring of legacy monoliths into modular services. I’m passionate about maintaining security, reliability, and maintainability while delivering cloud-native capabilities that empower internal teams and customers.…Hi, I’m Jeffrey Rene, a senior software engineer with 15+ years of experience building and scaling distributed, high-availability systems. I specialize in React, Java, Node.js, Python, and Scala, and I’ve designed microservices, RESTful and event-driven architectures, and performance-critical backend services. I enjoy turning complex requirements into reliable, scalable solutions. I’ve led design reviews, collaborated with SREs to set SLOs and error budgets, and guided refactoring of legacy monoliths into modular services. I’m passionate about maintaining security, reliability, and maintainability while delivering cloud-native capabilities that empower internal teams and customers.

Jeffrey Rene

Full Stack Developer, Web Developer, Back-End Developer, +5

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Hi, I’m Jeffrey Rene, a senior software engineer with 15+ years of experience building and scaling distributed, high-availability systems. I specialize in React, Java, Node.js, Python, and Scala, and I’ve designed microservices, RESTful and event-driven architectures, and performance-critical backend services. I enjoy turning complex requirements into reliable, scalable solutions. I’ve led design reviews, collaborated with SREs to set SLOs and error budgets, and guided refactoring of legacy monoliths into modular services. I’m passionate about maintaining security, reliability, and maintainability while delivering cloud-native capabilities that empower internal teams and customers.…Hi, I’m Jeffrey Rene, a senior software engineer with 15+ years of experience building and scaling distributed, high-availability systems. I specialize in React, Java, Node.js, Python, and Scala, and I’ve designed microservices, RESTful and event-driven architectures, and performance-critical backend services. I enjoy turning complex requirements into reliable, scalable solutions. I’ve led design reviews, collaborated with SREs to set SLOs and error budgets, and guided refactoring of legacy monoliths into modular services. I’m passionate about maintaining security, reliability, and maintainability while delivering cloud-native capabilities that empower internal teams and customers.

Available to hire

Hi, I’m Jeffrey Rene, a senior software engineer with 15+ years of experience building and scaling distributed, high-availability systems. I specialize in React, Java, Node.js, Python, and Scala, and I’ve designed microservices, RESTful and event-driven architectures, and performance-critical backend services. I enjoy turning complex requirements into reliable, scalable solutions.

I’ve led design reviews, collaborated with SREs to set SLOs and error budgets, and guided refactoring of legacy monoliths into modular services. I’m passionate about maintaining security, reliability, and maintainability while delivering cloud-native capabilities that empower internal teams and customers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Javanese

Fluent

English

Fluent

Work Experience

Senior Software Engineer at Google

April 18, 2026 - Present

Senior Software Engineer at Google

March 1, 2023 - Present

Designed and maintained backend services in Java and Python for large-scale internal platforms with strict SLOs and multi-region availability; built Node.js APIs for internal apps; developed distributed microservices with retries, circuit breaking, and graceful degradation; implemented Scala-based data pipelines with Spark; used Protobuf/gRPC for inter-service communication; integrated with internal Pub/Sub, Spanner, and Bigtable; optimized tail latency and throughput; built tooling for deployment and on-call diagnostics; developed React-based dashboards; implemented event-driven architectures.

Senior Software Engineer at Amazon Music

October 1, 2020 - March 1, 2023

Developed Java and Python backend services for catalog management, playback metadata, and user personalization; built RESTful APIs for web, mobile, and Alexa clients; implemented Node.js tools for internal content operations; handled millions of playback events with focus on scalability and data consistency; integrated with DynamoDB, S3, and SQS; optimized JVM performance; contributed to personalization pipelines; authored tests and supported on-call incident handling.

Founding Engineer at Mynd

July 1, 2017 - September 1, 2020

Built backend services in Python and Java for property accounting, payments, and tenant workflows; designed RESTful APIs for internal tools and customer-facing apps; modeled data and business logic for rent processing; integrated third-party payments, identity verification, and notifications; improved service performance and wrote unit/integration tests.

Full-Stack Web Developer at Freelance

May 1, 2012 - June 1, 2017

Delivered full-stack web applications with Python backends and relational databases; developed REST APIs; implemented authentication, authorization, and data validation; designed schemas and optimized queries; delivered custom solutions for small business clients; deployed and supported applications in production.