Oren Vilderman

Experienced Backend Engineer with 5+ years in designing high-throughput, distributed cloud-native systems using Node.js, TypeScript, and AWS/GCP. Focused on API design, performance optimization, reliability, and end-to-end ownership.

Software Engineer at Lexense Technologies LTD (2022-01 – Present)

Cloud-native backend development and infrastructure optimization

• Built internal tools to manage and maintain a large monorepo (500+ packages), improving developer efficiency and system reliability
• Advocated clean code practices and conducted code reviews, ensuring high-quality, maintainable backend solutions
• Replaced the application bundle size from 4.5 MB to 670 kB, improving performance and maintainability
• Improved CI/CD pipeline efficiency using GitHub Actions, achieving cost reductions through parallelized scripts and early failure detection
• Built scalable solutions using GCP services to enhance reliability and performance

Backend Automation Developer at Pepperi (2019-01 – 2022-01)

Microservices infrastructure design and CI/CD automation

• Designed and implemented a microservices infrastructure on AWS with Node.js and Express, boosting system stability and performance
• Reduced deployment time from several days to two hours by creating a fully automated CI/CD pipeline with Jenkins and Bitbucket
• Improved microservices response time by 600ms through efficient AWS resource handling
• Enhanced company SDKs by adding features and resolving critical bugs, streamlining integration for backend and frontend teams

Backend Implementer of Automation Solutions at Pepper (Bank Leumi) (2019-01 – 2019-12)

Test automation framework integration and mobile testing infrastructure

• Integrated Quantum (Perfecto) test automation framework into the development workflow to enable seamless remote APK testing on real devices
• Installed and configured Maven-based infrastructure to support local execution without requiring APK signing or additional steps
• Created automated testing workflows, reducing manual intervention and enhancing team productivity
• Accelerated debugging and development cycles by streamlining mobile test execution directly from developers machines
• Ensured compliance with strict security standards through secure backend implementations

Project Manager & Backend Automation Developer at HomeDiet (2018-01 – 2019-12)

Backend development and project management with automation focus

• Developed backend solutions in Java with a focus on automation to improve efficiency
• Managed remote development teams, implementing structured Jira workflows
• Reduced task reopen rates by introducing automated Jira task validations
• Delivered projects on time and within budget by providing comprehensive PRDs

B.A. in Behavioral Science – Netanya Academic College (2012-01 – 2015-12)

Certification in QA Automation Engineer – SVCollege (2018-01 – 2019-12)

Certification in Responsive Web Design – freeCodeCamp (2019-01 – 2019-12)

Certification in Software Architect – DevOps experts College (2025-01 – 2025-01)