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Superior problem-solving and cross-team communication skillsProgramming Language Skills● Proficient: Java● Familiar with: C#● Experience with: C, C++
Microsoft
View- Website:
- microsoft.com
- Employees:
- 10
- Company phone:
- 0124 415 8000
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Senior Software EngineerMicrosoft Jun 2021 - PresentRedmond, Washington, UsAzure Security• Lead and coordinate the security prevention conversation among service teams.• Mitigate and prevent credential leaks to protect Microsoft and its clients.• Design and develop a centralized system to provide suppression support, service team information integration, tickets filing and detailed repro procedure.
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Business OwnerSmart Coding School Jun 2016 - PresentBellevue, Washington, Us -
Software Development Engineer IiAmazon Jan 2020 - May 2021Seattle, Wa, UsWeblab A/B test platform development:• Designed and implemented the Policy Engine long launched Weblab campaign to warn internal users to terminate/wrap up their experiments if no longer needed and running for a while. • Designed and implemented the Block days automation system to automatically set and lift the block days on A/B tests based emergent events and sales events, save 100% effort for night ops job, save 100% memory spent on experiments no longer used. Improved time granularity from date scale to second scale and handle the different time zone A/B test blocking and unblocking. • Modernized the Weblab APIs into micro services. -
Software EngineerMicrosoft Nov 2016 - Dec 2019Redmond, Washington, Us• Developed the substrate search suggestions platform to improve platform stability, agility and compatibility.• Added new feature of shared mailbox and group mailbox to suggestions and query.• Implemented the flighting train migration to allow data scientists to control flights efficiently.• Improved the decoupling watchdogs monitoring the health of service running on each server. • Implemented web service platform migration and upgrades with the inner data abstraction and adapters.• Implemented of REST search data schema and REST API handlers by using C#.As part of On-call Rotation, helped in live site monitoring of product through mitigation steps, engaging partner teams.
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Software Development EngineerAmazon Jul 2015 - Jun 2016Seattle, Wa, Us• Participated in design and implementation of Tax Rate Validation in Vendor Central System, Vendor Notification Service, Business Advisor Service, Aggregate Consistency Enforcement System, and Metrics Alarms by using AWS & Java.• Participated in the on-call Rotation, helped in live site monitoring of product through mitigation steps, engaging partner teams.
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Teaching Assistant (Computer Science)University Of Washington Jan 2014 - Dec 2014Seattle, Wa, UsTeaching Content: Fundamental algorithms and data structures for implementation. Techniques for solving problems by programming. Linked lists, stacks, queues, directed graphs. Trees: representations, traversals. Searching (hashing, binary search trees, multiway trees). Garbage collection, memory management. Internal and external sorting. Key computational abstraction levels below modern high-level languages; number representation, assembly language, introduction to C, memory management, the operating-system process model, high-level machine architecture including the memory hierarchy, and how high-level languages are implemented. Fundamentals of enumeration, discrete probability, and applications of randomness to computing which is the foundation of Machine Learning and Artificial Intelligence. Hold office hours, tutor 100 students, and grade homework and exams. -
Teaching Assistant (Computer Science)University Of Washington Sep 2013 - Dec 2013Seattle, Wa, UsTutored the algorithm and syntax in Java programming for an AP class at Roosevelt High School as a UW based tutor.Taught the HTML & CSS for two web programming classes
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Research Assistant (Computer Science)University Of Washington Jun 2013 - Dec 2013Seattle, Wa, UsUtilized Java & C to analyze the Android's sensor data and trimmed down the relation among the data groups.Reduced the runtime the implement of an analysis program from O(n^2) to O(n).
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Differential Equation GraderUniversity Of Washington Mar 2013 - Oct 2013Seattle, Wa, UsGrade four math classes homework and give the feedback to the students.Publish the grades on catalyst on time.
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Software EngineerSimply Measured, A Sprout Social Company Jun 2014 - Sep 2014Seattle, Wa, UsAdded new features to a Java Application Mason: Designed and developed both the font-end (Swing Lib) and the back-end of reporting tools Wrote JUnit Tests and accessibility features.Designed web-portal reports tools (internal tools) based on conductor service: a bridge between back-end service and front-end webpage. Visualized the data and enable the database's functionality of update/edit/insert at front-end.
David Liu Skills
David Liu Education Details
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University Of WashingtonComputer Science -
Clark CollegeHigh School Diploma
Frequently Asked Questions about David Liu
What company does David Liu work for?
David Liu works for Microsoft
What is David Liu's role at the current company?
David Liu's current role is Senior Software Engineer at Microsoft.
What is David Liu's email address?
David Liu's email address is si****@****oft.com
What is David Liu's direct phone number?
David Liu's direct phone number is (888) 469*****
What schools did David Liu attend?
David Liu attended University Of Washington, Clark College.
What skills is David Liu known for?
David Liu has skills like Java, C#, C++, C, Algorithms, Computer Science, Software Design, Machine Learning, Software Development, Dynamodb, Teaching, Css.
Who are David Liu's colleagues?
David Liu's colleagues are Mohamed Zribi, Yahiri Pacome, Sumeet Kumar Chandnani, Martin Kasík, Guillermo Saavedra Ulloa, Yashovardhan Dhanania, Vivi Lee.
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