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Hi, I'm Bob Sun, a Cloud Architect and Software Engineer with a strong background in designing scalable, secure cloud infrastructure and high-performance backend systems. I excel at cloud migration, container orchestration, distributed systems, microservices architecture, IaC, DevOps, and full-stack development, delivering robust, maintainable, and cost-efficient solutions for enterprise and global-scale applications.…Hi, I'm Bob Sun, a Cloud Architect and Software Engineer with a strong background in designing scalable, secure cloud infrastructure and high-performance backend systems. I excel at cloud migration, container orchestration, distributed systems, microservices architecture, IaC, DevOps, and full-stack development, delivering robust, maintainable, and cost-efficient solutions for enterprise and global-scale applications.

Bob Sun

Architect, Full Stack Developer, Back-End Developer, +2

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Hi, I'm Bob Sun, a Cloud Architect and Software Engineer with a strong background in designing scalable, secure cloud infrastructure and high-performance backend systems. I excel at cloud migration, container orchestration, distributed systems, microservices architecture, IaC, DevOps, and full-stack development, delivering robust, maintainable, and cost-efficient solutions for enterprise and global-scale applications.…Hi, I'm Bob Sun, a Cloud Architect and Software Engineer with a strong background in designing scalable, secure cloud infrastructure and high-performance backend systems. I excel at cloud migration, container orchestration, distributed systems, microservices architecture, IaC, DevOps, and full-stack development, delivering robust, maintainable, and cost-efficient solutions for enterprise and global-scale applications.

Available to hire

Hi, I’m Bob Sun, a Cloud Architect and Software Engineer with a strong background in designing scalable, secure cloud infrastructure and high-performance backend systems.

I excel at cloud migration, container orchestration, distributed systems, microservices architecture, IaC, DevOps, and full-stack development, delivering robust, maintainable, and cost-efficient solutions for enterprise and global-scale applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Cloud Architect at SPLX

October 1, 2022 - Present

Designed and implemented cloud architecture for enterprise workloads across AWS and GCP, ensuring scalability, resilience, and security. Led cloud migration and cost optimization (auto-scaling, right-sizing); built CI/CD pipelines using Terraform, Kubernetes, and GitOps for automated deployments and environment provisioning; implemented comprehensive monitoring (Grafana, CloudWatch) for visibility and MTTR reduction; contributed to automated deployments and infrastructure provisioning.

Senior Cloud & Software Engineer at COMBIS

March 1, 2018 - Present

Defined cloud governance, security compliance, and disaster-recovery strategies; automated infrastructure provisioning and reliability improvements; collaborated with development and operations teams to enable scalable, secure cloud solutions; led CI/CD workflows and cloud adoption initiatives.

Software Engineer at Infobip

June 1, 2014 - Present

Worked on backend services and distributed systems for Infobip's global communications platform. Developed and maintained microservices (Java/Spring Boot, Kotlin) to process high-volume messaging, real-time communication, and backend infrastructure services. Contributed to full-stack development in some teams: backend service design, RESTful APIs, frontend tasks, and integration of scalable systems for global reach. Participated in system design, performance optimization, monitoring, and maintenance of platform reliability across multiple data centers.