Working as part of the Web Experimentation & Personalization Product's Engineering Team.𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨:- Leading development of NextGen Experimentation Powered by AI with Data Science and Analytics team.- Resolved a critical DynamoDB auto-scaling issue and timeout errors for a microservice with an average request rate of 450 requests per second, which experienced spikes up to 45K during peak hours.- Led and migrated Visual Editor's core microservice from… Show more Working as part of the Web Experimentation & Personalization Product's Engineering Team.𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨:- Leading development of NextGen Experimentation Powered by AI with Data Science and Analytics team.- Resolved a critical DynamoDB auto-scaling issue and timeout errors for a microservice with an average request rate of 450 requests per second, which experienced spikes up to 45K during peak hours.- Led and migrated Visual Editor's core microservice from Python 2 to Python 3 in Google App Engine, resulting in a 99% reduction in vulnerabilities, completed within 3 months, and used by thousands of customers.- Developed CI/CD pipelines with GitHub Actions to GCP and AWS for 2 core microservices.- Designed end-to-end Behavioral, Technical, and System Design interview guidelines, led interview pipelines and updated onboarding documentation to expedite new team member integration, thus accelerating their impact on projects.- Actively participated in code reviews, ensuring clean code practices and providing constructive feedback to improve code quality. Show less

I worked at Craftsmen, collaborating with Kunnusta, a European company under the Fonn Group. My role involved optimizing and developing features for Kunnusta.io, a cloud-native multi-platform publishing and integration service.𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨:• Spearheaded adoption of BFF Architecture in React client app, resulting in remarkable performance gains and 6x faster user login.• Successfully migrated news microservices to AWS Step Function, Lambda, and SQS, attaining… Show more I worked at Craftsmen, collaborating with Kunnusta, a European company under the Fonn Group. My role involved optimizing and developing features for Kunnusta.io, a cloud-native multi-platform publishing and integration service.𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨:• Spearheaded adoption of BFF Architecture in React client app, resulting in remarkable performance gains and 6x faster user login.• Successfully migrated news microservices to AWS Step Function, Lambda, and SQS, attaining 99% uptime, resolving bottlenecks, and achieving 50%+ speed enhancement.• Actively participated in code reviews, ensuring clean code practices and providing constructive feedback to improve code quality. Show less

𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨:• Successfully migrated 1 AWS Lambda microservice to a hybrid architecture with AWS Lambda and SQS, ensuring 99% uptime and resolving concurrency issues. This resulted in 100% prevention of duplicate media asset uploads.• Spearheaded migration efforts for 2 AWS Fargate-based microservices to AWS Lambda, significantly reducing cold start times by over 50% and cutting monthly microservice costs by approximately 40%.• Integrated and developed… Show more 𝙆𝙚𝙮 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨:• Successfully migrated 1 AWS Lambda microservice to a hybrid architecture with AWS Lambda and SQS, ensuring 99% uptime and resolving concurrency issues. This resulted in 100% prevention of duplicate media asset uploads.• Spearheaded migration efforts for 2 AWS Fargate-based microservices to AWS Lambda, significantly reducing cold start times by over 50% and cutting monthly microservice costs by approximately 40%.• Integrated and developed comprehensive backend REST APIs for 2 social media publishing integrations using AWS API Gateway, Lambda, SQS, and SNS.• Actively participated in code reviews, ensuring clean code practices and providing constructive feedback to improve code quality. Show less

𝙃𝙞𝙜𝙝𝙡𝙞𝙜𝙝𝙩𝙚𝙙 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨 𝙖𝙣𝙙 𝘾𝙤𝙣𝙩𝙧𝙞𝙗𝙪𝙩𝙞𝙤𝙣𝙨:• Taught Computer Science and Engineering courses including Data Structure, Algorithm, and Object-Oriented Programming, ensuring students had a strong understanding of the subject matter.• Implemented interactive teaching methods in DIU Blended Learning Center to enhance student engagement and understanding of online classes during COVID-19 lockdowns.• Advised Batch-193 academically and… Show more 𝙃𝙞𝙜𝙝𝙡𝙞𝙜𝙝𝙩𝙚𝙙 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨 𝙖𝙣𝙙 𝘾𝙤𝙣𝙩𝙧𝙞𝙗𝙪𝙩𝙞𝙤𝙣𝙨:• Taught Computer Science and Engineering courses including Data Structure, Algorithm, and Object-Oriented Programming, ensuring students had a strong understanding of the subject matter.• Implemented interactive teaching methods in DIU Blended Learning Center to enhance student engagement and understanding of online classes during COVID-19 lockdowns.• Advised Batch-193 academically and provided guidance to help students achieve their academic goals.• Acted as Club Advisor for the Development Wing of DIU CPC Club.https://sites.google.com/view/SayefReyadh/teaching Show less