# Md Hossain > Staff Software Engineer at AppDynamics Location: Fremont, California, United States Profile: https://flows.cv/mdhossain • 12+ years of experience in Application Architecture, Technical Design, Development, and Performance Tuning across diverse industries. • Expertise in Java/J2EE, Microservices, API development, and cloud platforms like Kubernetes and Docker. • Proven ability to lead teams in delivering high-impact projects on time, including mentorship and offshore management. • Extensive experience in secure coding, performance optimization, and interacting with clients for requirements gathering and analysis. ## Work Experience ### Staff Software Engineer @ AppDynamics Jan 2020 – Present | San Francisco Bay Area Led, Designed and Developed common ingestion services and span grouping services to process MLT data for unified business performance observability solutions. • Led a team of 5 engineers across multiple locations, successfully delivering complex application features. • Designed and implemented zodiac functionality to decouple and centralize HTTP call for cross project integration which simplified hazelcast serverless platform • Security champion to lead fedramp for several project in the organization. • Designed and implemented GRPC and HTTP services, improving data processing efficiency • Conducted secure code reviews and utilized security scanning tools to ensure a secure codebase. • Developed SGS services for Kafka Streams data ingestion to group trace and span date to enhanced application monitoring along with custom metrics. • Designed and Developed Vault-client to centralize password retrieval. • Provide production support periodically. ### Lead Software Engineer @ Macy's Jan 2013 – Jan 2020 | San Francisco Bay Area Led, designed and developed core platform components like caching-core, DB-client, batch-core, and security APIs to be used across all the other project, ensuring scalability and performance. • Architected a security gateway that reduced unauthorized traffic by 25%. • Conducted penetration testing and code scanning using OWASP Dependency-Check and Esapi. • Owned R&D process to improve macy’s.com to prevent security vulnerability. • Implemented Spring Boot-based batch processing, reducing data processing time by 20%. • Designed and developed security framework to integrate with HTTP service to prevent security vulnerability. • Developed Security Thread Model to apply during system design review to proactively identify security vulnerabilities and risks within the design. • Led a team of 7 engineers, both onsite and offshore, to deliver critical platform updates. ### Sr. Software Engineer @ HBO Jan 2011 – Jan 2013 Integrated caching solutions using Memcached, improving system response time by 30%. • Designed RESTful services with Spring and Hibernate, enhancing system performance. • Led backend development efforts in an Agile environment, ensuring timely delivery of features. ### Sr. Software Developer @ Barclays Capital Jan 2009 – Jan 2011 Worked on the Transaction Recording Hub (TRHub) to validate and report transactions for regulatory compliance. • Developed Spring Batch jobs to process large-scale financial data, ensuring compliance with FSA and BAFIN regulations. • Designed and implemented modular components using Java and Spring, improving system maintainability and scalability. ## Education ### MSc in Computer Science University of Louisiana at Lafayette ### Bsc in Computer Science Minnesota State University, Mankato ## Contact & Social - LinkedIn: https://linkedin.com/in/md-hossain-27738020 --- Source: https://flows.cv/mdhossain JSON Resume: https://flows.cv/mdhossain/resume.json Last updated: 2026-04-12