Derrick Cheah Email & Phone Number

Washington, Dc, Us

Rockville, Maryland, United States

Lead daily scrum meetings to ensure team progress is on track with our goals and communicated deliverablesMigrated 3 high cost EMR jobs to use instance fleets resulting in cost savings of over 50%Upgraded and patched log4j vulnerability for over 100 EMR jobs increasing team’s overall security coverageOversaw weekly grooming meetings, ensuring there is a set acceptance criteria for each storyCoordinated bi-weekly releases with multiple teams including operations and control as well any impacted downstream usersDelegated production issues between developers and ensured there was follow-up and resolution by end of business dayRedesigned documentation and change logs for jar files used companywide to ensure more transparency of the latest supported versionsConducted bi-weekly review of team’s security posture to ensure correct compliance and created stories for immediate resolution in out of compliance cases

Rockville, Maryland, United States

Wrote, optimized, and fixed hundreds of test cases in the beta test suite to maximize success of software testing with consistent, thorough approaches.Programmed three parallel implementations in Scala using the Spark framework that would execute SQL queries on a database and save the output to be analyzed.Conducted A2A comparisons using Databricks and parallel implementations to ensure new builds are providing expected outputs.Overhauled entire test suite that would not run and added ability to run tests for multiple market centers with one click without any manual intervention.Interacted with AWS EMR clusters to facilitate ETL processes by manually adding/updating steps and logging into clusters through SSH to set up source objects.Debugged code and located root causes of bugs by reviewing logs, SQL files, and running hive queries on AWS EMR clusters.Discovered and fixed a critical bug that was present in an ETL process for over three years by creating a parallel implementation that would compare outputs.Collaborated with developers and product owners to stay current on product features and intended functionality.Created accurate and efficient Bash scripts to facilitate automated testing of products and features.Acted as security champion for the team, ensuring our projects were in compliance with company standards.Took on a developer role and successfully completed multiple stories when lead developer was occupied with other issues.Operated under Agile and Scrum frameworks to complete releases every two weeks.Served as Scrum master for the team, facilitating daily standup and bi-weekly retrospective meetings.Verified and ensured that QA release branches were up to date after each release.Participated in and won a Hackathon challenge hosted on the ImmersiveLabs platform.Assisted in the interview process of new employees by posing interview questions and providing internal feedback.

Participated in a three month training program on full-stack software development using HTML, CSS, Bootstrap, jQuery, Angular, XML, and JSON for the front-end and Java, Spring, Hibernate, PostgreSQL, and JDBC for the back-end.Met with trainer on weekly basis to provide detailed project report and milestone updates.Collaborated with other developers to identify and alleviate number of bugs and errors in software.Gathered and defined user and leadership requirements for each project.Caliber Screenforce ProjectLed team of two developers to test front and back-end code using Jasmine, Karma, JUnit, and Spring Boot Test.Conducted daily scrum meetings to go over blockers and future plans.Performed code reviews to maximize test coverage.Created documentation of testing procedures for future modifications.Yellow SnowconeDeveloped a social media platform with a team of four using Java for the back-end, Angular for the front-end, and PostgreSQL as the database.Acted as Git Master by reviewing pull requests and ensuring all branches were up to date.Created routes to navigate between different views within the application.Connected to back-end technology using services to handle user requests.Implemented component for like/dislike functionality with dynamic updating of counts and custom images.Generated a component for reposting functionality.Mapped post entities to database tables using Hibernate.Handled create, read, update, and delete requests using controllers and repositories.

Sumner, Washington

Performed initial inspection of reservoir assembly, noting defects, missing pieces, and entered results into the Quantum management system.Conducted manual testing of valve systems to ensure proper functionality using low volume leak tests and pull force tests.Troubleshot problems as necessary, including unexpected leakage or incorrect pull force.Disassembled valves to replace damaged components as well as internal o-rings and back-up rings.Reassembled valves according to the guidelines and perform additional testing to see if prior problems were resolved.Filled reservoirs with correct amounts of CO2 and N2 according to the component maintenance manual specifications.Performed final inspection and testing of completed reservoir and valve/regulator assembly, ensuring correct pressures, no leakage, and all necessary items are properly installed.

Redmond, Washington

Conducted functional testing on game builds to sweep for bugs, software errors, and stability issues.Checked games for ratings, technical requirements, and legal issues using compliance testing strategies.Performed localization testing by playing through game builds and ensuring that translations were accurate.Executed soak tests by leaving the game open for prolonged periods of time in various modes of operation.Completed regression testing by ensuring that new game builds fixed known and reported bugs while making sure that no new bugs were introduced.Coordinated with other game testers to conduct multiplayer testing to ensure that all supported connectivity methods were functioning as expected.Gathered data on issues and vulnerabilities obtained through testing strategies and reported all findings, including improvement recommendations.Assessed software bugs and compiled findings along with steps to recreate the issue in documentation to report to developers.

University Of Illinois At Urbana-Champaign

Prototyped and tested a robot that lifts and transport parts bins with a team of 5 students.Designed and modeled mechanism to keep robot stable when docked to shelf using CREO.Assembled various mechanical parts to create the lift structure made from aluminum.Performed calculations to ensure the lift will provide enough torque.Attended bi-weekly meetings with designated team advisor.Communicated closely with sponsor company to ensure satisfactory completion of project.Charged with administration of budget for allocations of up to $1500.Delivered 3 presentations throughout the semester detailing the proposal, progress, and final product.

Urbana-Champaign, Illinois

Greet, welcomed, and checked students into the dining hall facility.This dining hall served approximately 1,000 students per day for breakfast, lunch, and dinner; totaling between 60,000-80,000 meals in a month.When not in the dining hall facility, I was tasked with cashier and stocking services for the student convenience store.This store is open throughout the day and is a popular place for students to purchase meals and snacks in between dining hall meal periods.When not operating the cashier station, I ensured that food and drinks were adequately stocked at all times.

University Of Illinois At Urbana-Champaign

Nominated as the Project Leader of 10 undergraduate engineers.Replicated a light to sound demo using a speaker, radio, solar cell, and laser pointer.Designed and modeled a puzzle box and miniature maglev train using known measurements with SOLIDWORKS and CREO.Assisted in the building of a 3D chocolate printer’s cooling system using aluminum, PVC piping, and air.Successfully presented and displayed these projects at the annual Engineering Open House attended by over 20,000 families, students, and faculty.

Studied under Professor LaViers in the field of Robotics and motionCollaborated with graduate students under the Professor on DARPA and ASPIRE projectsFocused on the field of SLAM robotics and how it can be implemented in the researchImproved upon a MATLAB simulation found online to be used for educational purposesDelivered a final presentation on the research and improvements performed

Orlando, Florida Area

Assisted hundreds of hotel guests on the pool deck with towel distribution, directions, and any inquiries.Proactively cleaned the pool deck throughout the day to ensure a clean and inviting environment for guests.Communicated closely with co-workers and managers to coordinate tasks and duties.Ensured the safety of children and adults on the pool deck and water slide.

Bachelor’S Degree, Engineering Mechanics

Activities and Societies: ADSA Workshops Committee Society for Engineering MechanicsThe Engineering Mechanics major focuses on the theory.

Study Abroad, Automotive Engineering

The Nagoya University Summer Intensive Program was a 6-week program focusing on automotive engineering technology. Speakers from major.

Bachelor Of Science - Bs, Engineering Mechanics