I'm a Senior Backend Engineer with 18+ years of experience building scalable Java and Spring-based systems. I focus on microservices, clean code, design patterns, TDD, and reliable server-side development in cloud-native environments. Throughout my career I've designed and delivered SaaS platforms, real-time analytics, and IoT tracking solutions, driving measurable outcomes and revenue growth through collaboration and engineering excellence.

Sar Shalom Simchi

I'm a Senior Backend Engineer with 18+ years of experience building scalable Java and Spring-based systems. I focus on microservices, clean code, design patterns, TDD, and reliable server-side development in cloud-native environments. Throughout my career I've designed and delivered SaaS platforms, real-time analytics, and IoT tracking solutions, driving measurable outcomes and revenue growth through collaboration and engineering excellence.

Available to hire

I’m a Senior Backend Engineer with 18+ years of experience building scalable Java and Spring-based systems. I focus on microservices, clean code, design patterns, TDD, and reliable server-side development in cloud-native environments.

Throughout my career I’ve designed and delivered SaaS platforms, real-time analytics, and IoT tracking solutions, driving measurable outcomes and revenue growth through collaboration and engineering excellence.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

Hebrew (modern)
Fluent
English
Advanced

Work Experience

Senior Software Engineer at NICE (via AgileSparks)
January 1, 2022 - Present
Senior backend engineer on a microservices-based SaaS platform for call centers; improved system modularity and scalability using Java 17, Spring Boot, REST APIs, JPA, MySQL, and AWS. Mentored junior developers and contributed to CI/CD pipelines.
Senior Backend Developer at ContGuard
January 1, 2021 - December 31, 2022
Built an IoT tracking platform for 250+ shipping containers with real-time telemetry; improved anomaly detection by 55% using real-time analytics with Java, Kotlin, and Spring Boot.
Principal Engineer at Western Digital
January 1, 2018 - December 31, 2021
Developed log analytics systems using Java, Vaadin, and MongoDB; processed 500+ logs daily; integrated REST APIs and improved UX and performance on Linux environments.
Senior Java Full Stack Developer at Nextrade Technologies (Startup)
January 1, 2013 - December 31, 2018
Developed a scalable platform for 100K+ users, delivering high availability; utilized Java, Spring, Groovy, Grails, Hibernate, SQL, REST APIs, and Maven.

Education

B.A. in Science majoring in Computer Science at Open University, Tel Aviv
January 11, 2030 - December 25, 2025

Qualifications

Software Architecture & System Design
January 1, 2023 - December 31, 2024
Spring Boot 3 & Spring Framework 6
January 11, 2030 - December 25, 2025
Docker & Kubernetes (hands-on labs)
January 11, 2030 - December 25, 2025
AWS (S3, EC2)
January 11, 2030 - December 25, 2025
Apache Kafka Essential Training
January 11, 2030 - December 25, 2025
Conducting Code Reviews (LinkedIn Learning)
January 11, 2030 - December 25, 2025

Industry Experience

Software & Internet, Telecommunications, Professional Services, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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