RKRyan Kang
@ryankang
Backend engineer who loves building systems that scale and perform.
United StatesWhat I'm looking for
I am a dedicated backend engineer with a passion for creating systems that are not only efficient but also reliable. My journey in technology has been driven by a desire to solve complex problems and design clean architectures that ensure smooth operations behind the scenes. I thrive on the challenge of building infrastructure that just works—no drama, no surprises.
Throughout my career, I have had the privilege of working with leading companies like Amazon, JetBlue, and Yahoo, where I have honed my skills in backend development, event-driven architecture, and API design. My experience includes developing robust ETL pipelines, optimizing microservices, and integrating AI/ML solutions to enhance system performance. I take pride in my ability to leverage cloud technologies, particularly AWS, to build scalable and efficient backend systems.
As I continue to grow in my career, I am excited about the opportunity to tackle new challenges and contribute to innovative projects that push the boundaries of technology. I believe that the backend is where the real magic happens, and I am committed to ensuring that everything hums along seamlessly.
Experience
Work history, roles, and key accomplishments
Senior Back End Engineer
Amazon
Oct 2022 - Apr 2025 (2 years 6 months)
Worked on backend development for the Automated Vehicle Inspection (AVI) system, focusing on handling real-time large vehicle inspection data processing. Developed an event-driven ETL pipeline for vehicle inspection analysis reports using AWS S3, Lambda, SageMaker, SNS, and SQS. Provisioned and managed all infrastructure using AWS CDK, including Lambdas, Step Functions, DynamoDB, AppSync, and S3 b
Back End Engineer
JetBlue
Sep 2019 - Sep 2022 (3 years)
Enhanced the microservices-based booking management system by implementing gRPC for inter-service communication, reducing API response times. Designed and integrated a personalized recommendation system using data from a centralized data warehouse (Redshift). Improved API performance and reliability by implementing GraphQL query optimization and Apollo caching, reducing redundant data fetching and
Back End Engineer
Yahoo
May 2016 - Sep 2019 (3 years 4 months)
Contributed to the backend system enhancement for Yahoo Mail, optimizing real-time emails data streaming pipeline with Kafka and AWS Kinesis. Improved backend services for Yahoo Search, enhancing search query processing, ranking algorithms, and recommendation systems with Elasticsearch, Hadoop, and Spark. Developed chatbot integrations for Facebook and Kik Messenger with RESTful APIs, NLP services
Software Engineer Intern
Yahoo
May 2015 - Aug 2015 (3 months)
Applied object-oriented programming principles in Java and Python, following SOLID guidelines to enhance code maintainability and reusability. Gained practical experience with OOP design patterns while contributing to the development of a high-traffic backend service. Engaged in code reviews and pair programming as part of an agile team, gaining hands-on experience with collaborative development p
Education
Degrees, certifications, and relevant coursework
UOUniversity of Oregon
Bachelor of Science, Computer Science
Grade: 3.8
Activities and societies: Won first place in the University of Oregon programming/coding championship (2015)
Completed a Bachelor of Science in Computer Science. Won first place in the University of Oregon programming/coding championship in 2015.
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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