Hi, I'm Wenjun Qu, a passionate full-stack developer with over two years of experience in building scalable cloud solutions and modern backend architectures. I specialize in Java, AWS, and the Spring Framework, while also creating dynamic and responsive user interfaces using React. I'm committed to delivering robust, end-to-end applications that enhance operational efficiency and improve user experience. With a strong background in both backend and frontend technologies, I thrive on solving complex problems through efficient data processing and automation. My expertise extends from designing high-throughput data pipelines to containerizing applications with Docker for improved scalability. I am excited to contribute my skills and knowledge to innovative projects that make a difference.

Hi, I'm Wenjun Qu, a passionate full-stack developer with over two years of experience in building scalable cloud solutions and modern backend architectures. I specialize in Java, AWS, and the Spring Framework, while also creating dynamic and responsive user interfaces using React. I'm committed to delivering robust, end-to-end applications that enhance operational efficiency and improve user experience. With a strong background in both backend and frontend technologies, I thrive on solving complex problems through efficient data processing and automation. My expertise extends from designing high-throughput data pipelines to containerizing applications with Docker for improved scalability. I am excited to contribute my skills and knowledge to innovative projects that make a difference.

Available to hire

Hi, I’m Wenjun Qu, a passionate full-stack developer with over two years of experience in building scalable cloud solutions and modern backend architectures. I specialize in Java, AWS, and the Spring Framework, while also creating dynamic and responsive user interfaces using React. I’m committed to delivering robust, end-to-end applications that enhance operational efficiency and improve user experience.

With a strong background in both backend and frontend technologies, I thrive on solving complex problems through efficient data processing and automation. My expertise extends from designing high-throughput data pipelines to containerizing applications with Docker for improved scalability. I am excited to contribute my skills and knowledge to innovative projects that make a difference.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Javanese
Advanced
Aragonese
Intermediate

Work Experience

Remote Software Engineer - Deloitte – IRS Modernization Project at SkillStorm Commercial Services LLC, Contractor at Deloitte
June 1, 2025 - August 20, 2025
Led the engineering of a high-throughput data pipeline using Spring Batch to transfer and transform over one million daily records, which improved data ingestion performance by 43.75%. Developed and implemented an event-driven microservices architecture with AWS SQS and S3 events to automate workflows and reduce latency. Optimized backend retrieval with MongoDB indexes and PostgreSQL synchronization. Built fault-tolerant services using advanced Java exception handling and Spring Retry to increase resilience during high volume processing. Created a centralized monitoring service with Spring Boot for real-time database activity visibility and automated reconciliation to ensure data accuracy. Containerized applications using Docker for scalability and peak season performance.
Full-Stack Developer at SkillStorm Commercial Services LLC
September 1, 2023 - August 20, 2025
Developed a full-stack warehouse management application featuring RESTful APIs with Spring Boot and PostgreSQL enabling real-time inventory tracking. Designed a dynamic React frontend with a multi-filter search interface that enhanced operational efficiency by 20%. Integrated backend and frontend using Axios to ensure seamless asynchronous data requests. Built a secure tax calculation platform combining Spring backend data validation with React frontend providing real-time user feedback.

Education

Master of Science at New York University
September 1, 2018 - May 1, 2020
Bachelor of Science at Stony Brook University
September 1, 2015 - May 1, 2017

Qualifications

AWS Certified Cloud Practitioner
January 11, 2030 - August 20, 2025
Java Foundations Certified
January 11, 2030 - August 20, 2025

Industry Experience

Government, Financial Services, Software & Internet