Raheenul Hasan

About Raheenul Hasan

Engineering leader with 11 years of experience building and scaling AI-powered platforms across Search, FinTech, Health-Tech, and global consumer products.At Apple, I work on Generative AI and semantic search platforms, focusing on LLM inference systems, RAG pipelines, and large-scale search infrastructure serving multi-locale global users. I lead a team of engineers and collaborate closely with product, security, and platform stakeholders on system design and execution.Key Achievements- Spearheaded enterprise-wide GenAI initiative with RAG and semantic search capabilities- Engineered Kafka pipelines handling 100M+ encrypted records with zero-lag disaster recovery- Transformed search experiences across 112 locales for millions of users- Reduced application downtime from 22 days to <1 day (2100% efficiency gain)- Saved 30K+ man-hours annually through enterprise search solutions- Achieved cultural shift to 80% test coverage across all applicationsPrimary areas of focus:GenAI platforms · Search infrastructure · Distributed systems · Streaming architectures · Engineering leadershipLet\'s connect if you\'re passionate about AI/ML, financial technology, or building high-performance engineering teams!

Experience

1. Senior Software Engineer (Applied Machine Learning)

   Apple

   Mar 2022 — Present · Hyderabad, IN

   Key Achievements- Architected and deployed RAG-based semantic search system, improving search relevance by 35%- Built real-time Kafka pipelines processing 100M+ encrypted records daily with zero-lag disaster recovery- Led global search optimization initiative spanning APAC, EMEA, and Americas regions- Reduced critical application downtime from 22 days to <1 day annually (2100% efficiency improvement)- Implemented enterprise search solution saving engineering hours annually- Drove team-wide adoption of testing best practices, achieving 80% code coverageTechnical Stack: Python, Java, LLMs (GPT-4, Claude, Llama), RAG, Vector Databases, Kafka, Kubernetes, AWS/GCP, PyTorchLeadership: Manage cross-functional collaboration with Product, Design, and Data Science teams; mentor junior engineers; drive technical architecture decision

Education

• Amity University Lucknow Campus

  B.Tech CSE, Computer Science and Engineering

  2011 — 2015

• Birla Institute of Technology and Science, Pilani

  M.Tech , Computer Software Engineering

Skills

• Xml
• C
• Programming
• Microsoft Powerpoint
• Html
• Python
• Javaserver Pages (Jsp)
• Oracle Sql Developer
• Sql
• Linux
• Hibernate
• Maximo
• C++
• Javascript
• Microsoft Sql Server
• Mysql
• Spring Mvc
• Core Java
• Windows
• Ibm Db2
• Microsoft Excel
• Java
• Microsoft Office
• Teamwork
• Team Management