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I'm Junjie Cao, a Master of Artificial Intelligence student with 13 years of software engineering and technical support experience. I have progressed to Senior Software Engineer and Support Escalation roles, delivering reliable cloud deployments and guiding critical production issue resolution across global teams. I specialize in cloud technologies (Azure, AWS), infrastructure automation, and data-driven problem solving, and I am excited to apply AI knowledge to scalable, innovative solutions.…I'm Junjie Cao, a Master of Artificial Intelligence student with 13 years of software engineering and technical support experience. I have progressed to Senior Software Engineer and Support Escalation roles, delivering reliable cloud deployments and guiding critical production issue resolution across global teams. I specialize in cloud technologies (Azure, AWS), infrastructure automation, and data-driven problem solving, and I am excited to apply AI knowledge to scalable, innovative solutions.

Junjie Cao (Jason Cao)

Developer, Full Stack Developer, Back-End Developer, +3

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I'm Junjie Cao, a Master of Artificial Intelligence student with 13 years of software engineering and technical support experience. I have progressed to Senior Software Engineer and Support Escalation roles, delivering reliable cloud deployments and guiding critical production issue resolution across global teams. I specialize in cloud technologies (Azure, AWS), infrastructure automation, and data-driven problem solving, and I am excited to apply AI knowledge to scalable, innovative solutions.…I'm Junjie Cao, a Master of Artificial Intelligence student with 13 years of software engineering and technical support experience. I have progressed to Senior Software Engineer and Support Escalation roles, delivering reliable cloud deployments and guiding critical production issue resolution across global teams. I specialize in cloud technologies (Azure, AWS), infrastructure automation, and data-driven problem solving, and I am excited to apply AI knowledge to scalable, innovative solutions.

Available to hire

I’m Junjie Cao, a Master of Artificial Intelligence student with 13 years of software engineering and technical support experience. I have progressed to Senior Software Engineer and Support Escalation roles, delivering reliable cloud deployments and guiding critical production issue resolution across global teams.

I specialize in cloud technologies (Azure, AWS), infrastructure automation, and data-driven problem solving, and I am excited to apply AI knowledge to scalable, innovative solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Support Escalation Engineer at Microsoft

November 1, 2021 - August 1, 2025

Specialized in Microsoft Azure ARM and Storage services, providing tier-2/3 support to a global customer base across diverse industries and geographies. Resolved 2+ technical cases daily, consistently ranking in the Top 5 of 40+ engineers based on CSAT. Diagnosed and solved complex deployment issues involving ARM templates, policy enforcement, and data redundancy in cloud environments. Collaborated cross-functionally with internal product teams (Compute, Networking) to triage and resolve escalated cases within SLA. Delivered internal tech talks on development lifecycle, troubleshooting practices, and product-specific deep dives, and contributed to internal documentation to scale knowledge across APAC regions.

Senior Software Engineer at EPAM

July 1, 2019 - November 1, 2021

Acted as principal engineer in a 6-member team, leading backend service design and development for cloud-native applications. Designed and implemented distributed systems on AWS using ECS for container orchestration, DynamoDB for storage, and SQS/SNS for asynchronous messaging. Built and troubleshooted cloud infrastructure, CI/CD pipelines, and deployment processes. Mentored junior engineers in Java best practices and AWS service adoption across multiple internal projects.

Senior Software Engineer at Oracle

March 1, 2018 - May 1, 2019

Senior Java Software Engineer on the Absence module within the HCM system, focusing on feature enhancements, defect resolution, and backward compatibility. Collaborated with a distributed Agile team across India and the United States, following Scrum/Sprint practices to deliver stable iterations.

Team Leader at Movitech

November 1, 2017 - March 1, 2018

Led backend development and project delivery as a team leader, guiding a small team through design, implementation, and QA for cloud-native applications. Facilitated cross-functional collaboration and contributed to architecture decisions.

Senior Software Engineer/Project Leader at SPSOFT CHINA

February 1, 2014 - November 1, 2017

Senior Software Engineer and Project Leader responsible for backend service development, system design, and delivery within a multi-year project. Led architectural decisions, mentored engineers, and coordinated cross-site collaboration across teams in China.

Software Engineer at HAITAI MEDICAL INFORMATION SYSTEMS CO., LTD

August 1, 2012 - May 1, 2013

Software Engineer contributing to medical information system development, focusing on application features, bug fixes, and system maintenance within a healthcare domain.