Principal Software Developer - Search

Key Skills

Python Programming, Scala Programming, C++, Java Programming, Machine learning techniques, Data science techniques, SQL, Apache Hadoop, MapReduce, TensorFlow, PyTorch, R Programming

Job Description

As a principle engineer in the Search Engine team, you will be responsible for Hotstar video search engine & services, with multi-scenarios and multi-languages, which enhances international users' search experiences. In this role, you will be building a distributed, self-developed search engine cluster as well as multi-functional search services for Hotstar that will support over 10 million search requests per day. You will work on Java Spring developing environment and AWS cloud deployment, technologies such as: Spring Cloud, Kubernetes, Kafka, Redis, Hive, Database, RPC and CDN to build a scalable and high availability search cluster as well as a time-efficient popularity based multi-profile ranking algorithm.

Responsibility:

• improve the architecture of Hotstar search engine and the key techniques including query understanding / query rewriting / ranking
• Optimize the overall user experience for the Hotstar video search
• Build distributed search clusters in multi-scenarios and multi-language that can handle more than 10 million international search requests.
• Build monitoring and alerts to track cluster status and service performance; maintain high available search clusters
• Optimize ranking algorithm based on NLP and ML.
• Advocate engineering best practices, including design patterns, code review and automated unit/functional testing.
• Introduce the team to the value of new technologies and frameworks through experimentation

Requirements:

• 5+ years demonstrated coding skills and experiences in java and web service; Profound understanding of web and database technologies; Familiar with spring boot framework
• Experience & knowledge on micro service CI/CD and orchestration
• Experience with the following technologies and applications is a plus but not required: ElasticSearch, Lucene, NLP, ML
• Experience with vertical search engine and ranking technology is a plus
• Keep Learning: A strong grasp of computer science fundamentals
• Bias for Action: The ability to jump into a project and contribute immediately to both architecture and implementation
• Collaboration: Great communication and collaboration skills and a strong teamwork ethic
• Written and spoken communication skills in both Chinese and English

Education?

• M.S. or Ph.D. in Computer Science / Electronics Engineering is preferred