Oleg Mullaev Email & Phone Number

Plano, Texas, United States

Dallas, Texas, United States

Customer: FAANG CompanyProjects: Data Algo Enrichment, AES, FraudDescription:Developed comprehensive solutions to ensure the quality of Big Data pipelines. The solution includes:Designing and presenting test plansArchitecting and developing robust testing framework for validationIntegrating automated testing into CI/CD processResponsibilities:Create and present detailed test plansDevelop and implement testing frameworkIntegrate automated testing pipelines into CI/CD processesDefine and implement technical vision and roadmapDevelop and deploy test automation frameworksAchievements:Created detailed test strategy and test plan documentsImplemented continuous integration practices, reducing development bottlenecks and speeding up release cyclesSuccessfully delivered full automation for all projectsBuilt testing framework and CI/CD process from scratchAchieved over 90% test coverage with 100% pass rateManaged multiple projects simultaneously while maintaining strict adherence to timelines and quality standardsTechnologies: Java, Spark, Solr, gRPC client, Company's internal tools, BASH, Kubernetes

Dallas, Texas, United States

Customer: Neiman MarcusProject: Checkout TransformationDescription:Facilitated the digital transformation of the checkout system from ATG to AWS Serverless microservices.Responsibilities:Defined technical vision and roadmapImplemented test automation frameworkReduced regression risks by creating robust automated tests that covered critical areas of the applicationFacilitated effective communication between developers and QA teams for seamless issue resolutionConducted end-to-end and functional testing for API, UI, and AWS Serverless componentsIntegrated automated testing pipelines into CI/CD processAchievements:Successfully delivered Checkout project to productionImplemented comprehensive testing framework for all system components and platformsEstablished CI process from scratchAchieved over 90% UI, API, and AWS Lambda test coverage with 95% pass rateTechnologies: Java, Selenide, Guice, Feign, AWS SDK, DynamoDB, AWS Lambda

Dallas, Texas, United States

Customer: FAANG CompanyProject: Ingestion Pipeline SupervisorDescription:Ensured the quality of a complex system with UI, REST API, and Big Data components.Responsibilities:Defined technical vision and implementation roadmapDeveloped and implemented test automation frameworkConducted end-to-end and functional testing for web services, UI, and Big Data domainsIntegrated automated testing pipelines into CI/CD processAchievements:Introduced automation testing for both backend and frontendBuilt testing framework and CI process from scratchAchieved over 90% test coverage with 100% pass rateTechnologies: Java, JavaScript, TestCafe, Kafka Client, Company's internal tools

Dallas, Texas, United States

Customer: Kohl'sProject: Amazon ReturnsDescription:Ensured quality for a complex system consisting of batch jobs, REST API, and mobile components. Fully responsible for the end-to-end testing of the Amazon Returns project.Responsibilities:Led QA Automation team of over 10 engineersDeveloped and prototyped unique testing solutionsDefined technical vision and implementation roadmapImplemented test automation frameworkConducted end-to-end and functional testing for web services, batch jobs, and mobile applicationsConfigured mobile automation using HeadSpin with farm of real Zebra devicesIntegrated and maintained CI for individual and combined system componentsServed as primary contact with customer for test approach, feature requirements, and demosAchievements:Fully responsible for testing of Amazon Returns from start to finishIntroduced automation testing, establishing development and release sign-off processBuilt automated testing framework and CI process from scratchImplemented web service validation and batch data management approachesConfigured and implemented mobile automation using HeadSpin with Zebra devicesTechnologies: Java, Spring, Appium, JPA, Jacoco, Sprimber, Cucumber, Allure, GCP, SFTP, HeadSpinAwards:Awarded "Innovator of Year" for this projectLed team awarded as "Delivery Team of Year"

San Francisco Bay Area

Customer: Macy'sProjects: EMLP, ChatbotDescription:Automated testing for a React-based Machine Learning application and Chatbot. Developed and implemented a solution for preparing and automating model learning using autogenerated datasets.Responsibilities:Developed and maintained automated testing framework from scratchIntroduced Continuous Integration to projectAutomated generation of datasets and machine learning process for applicationServed as main point of contact with customer for test approach discussions and demosAchievements:Built testing framework and CI process from scratchEnsured more than 90% test coverage for new featuresMentored junior developers, providing guidance on best practices and coding techniques for improved productivityTechnologies: CypressJS, React, Mocha, Allure, Argo Workflows, Kubernetes, npm

San Francisco Bay Area

Customer: Kohl'sProject: BigData CampaignsDescription:Developed a solution to ensure data integrity and safety during technology stack switching for Big Data ETL pipelines, including:Fully automated end-to-end and functional testing integrated into CI/CD pipelinesImplementation of scalable testing infrastructure to facilitate full migration from bash/hive legacy to streaming spark solutionResponsibilities:Developed and prototyped unique testing solutionsDefined technical vision and implementation roadmap for data integrity solutionImplemented test automation frameworkConducted end-to-end and functional testing of ETL pipelinesIntegrated Continuous Integration for Big Data automation testingServed as primary contact with customer for test approach and feature requirements discussions, and demosAchievements:Introduced automation testing, establishing proper development cycle and release sign-off processBuilt testing framework and CI process from scratchAchieved over 95% test coverage with 95% pass rateImplemented approaches for test data preparation, management, and verificationTechnologies: Java, Spring, TestNG, Allure, Hive, Hadoop, HDFS, Azkaban, Spark, Google Storage, BASH

St Petersburg, St Petersburg City, Russia

Customer: Integral AD ScienceProjects: Crawler, News URL Feeder, DPSDescription:Developed a solution to ensure data integrity for Big Data ETL pipelines (both batch and streaming), including:Data monitoring and alerting rules-based system and data profiling toolsFully automated smoke and regression testing integrated into CI/CD pipelinesScalable testing infrastructure using provisioned AWS for high-parallelized isolated environmentsResponsibilities:Developed and prototyped unique testing solutionsLed QA Automation team of three engineersDefined technical vision and implementation roadmap for data integrity solutionsImplemented test automation frameworkConducted smoke, regression, and acceptance testing of ETL pipelinesIntegrated Continuous Integration for Big Data automation testingServed as primary contact with customer for test approach and feature requirements discussions, and demosAchievements:Introduced automation testing, establishing proper development cycle and release sign-off processBuilt testing framework and CI process from scratchAchieved over 90% test coverage with 95% pass rateImplemented approaches for test data preparation, management, and verificationAchieved weekly successful releases with no production rollbacks after implementing CI for automation testingEducated and transferred knowledge to new team membersTechnologies: Python, Hadoop, HBase, HDFS, Oozie, Spark, PyTest, HappyBase, Paramiko, BASHAwards:Led team awarded as "Delivery Team of Year"

St Petersburg, St Petersburg City, Russia

Customer: BlackHawk NetworkProject: CardpoolDescription:Automated testing of Angular applications, including the admin panel Ramen 3 and the advanced search.Responsibilities:Developed and prototyped unique testing solutionsLed QA Automation team of three engineersDeveloped and maintained testing frameworkIntroduced Continuous Integration to projectServed as main point of contact with customer for test approach discussions and demosCollaborated on cross-functional teams to deliver high-quality software products on timeAchievements:Built testing framework and CI process from scratchEnsured more than 95% test coverage for new featuresTrained junior QA team membersTechnologies: Angular2, ng-grid2, Protractor, Jasmine, Allure, Express, npm

St Petersburg, St Petersburg City, Russia

Customer: Raymond JamesProject: Advanced SearchDescription:Automated testing of Angular applications.Responsibilities:Developed and prototyped unique testing solutionsDeveloped and maintained automated testing frameworkImplemented Continuous Integration processFacilitated effective communication between developers and QA teams for seamless issue resolutionAchievements:Achieved more than 95% test coverage for new featuresReduced regression risks by creating robust automated tests that covered critical areas of applicationTechnologies: Angular2, ng-grid2, Protractor, Allure, Cucumber, Jasmine, Chai, npm

St Petersburg, St Petersburg City, Russia

Customer: RingCentralProject: RingCentral Chrome ExtensionDescription:Automated testing of Angular applications.Responsibilities:Developed and prototyped unique testing solutionsDeveloped and maintained testing frameworkImplemented continuous integration practices, reducing development bottlenecks and speeding up release cyclesCommunicated regularly with customer for requirements discussion and demosAchievements:Built testing framework and CI process from scratchAchieved 90% feature coverageEnabled regular successful releases of productTechnologies: Angular, Selenium WebDriver (Java), JBehave, Git, Jenkins, SIPjs

Saratov, Russia

Customer: Kohl'sProject: Total Value ServiceDescription:Automated testing of REST and SOAP services.Responsibilities:Developed and prototyped unique testing solutionsDeveloped and maintained testing frameworkProvided detailed defect reports, enabling swift identification and resolution of issues by development teamsAchievements:Successfully delivered TVS project to productionImplemented comprehensive testing framework for all system components and platformsEstablished CI process from scratchAchieved over 90% test coverage with 100% pass rateTechnologies: JBehave, RESTEasy, JDBC, Spring, OracleDB, Gigaspace (XAP), Git, Gerrit, Jenkins

Saratov, Russia

Customer: Raymond JamesProject: GenesisDescription:Automated testing of a deployment orchestrator.Responsibilities:Developed and prototyped unique testing solutionsDeveloped and maintained testing frameworkConducted regular demos to customerAchievements:Achieved more than 90% feature coverage, including orchestration of MSSQL and Oracle, IIS, JBoss, Redgate SQL Compare, etc.Enabled regular successful releases of productOptimized existing test suites for faster execution, saving valuable development timeTechnologies: Ruby, Cucumber, Rest client, POpen, PowerShell, Git, Putty, TFS, Jenkins

Saratov, Russia

Project: Book E-libraryDescription:Developed a web application for sharing electronic and physical books among company employees.Responsibilities:Developed robust and scalable platform using Ruby on RailsIntegrated Cucumber framework to ensure comprehensive automated testingFocused on creating user-friendly interface and reliable user experienceAchievements:Successfully implemented complete Proof of Concept (PoC) solution, including innovative features for book assignments and queuingAchieved 100% functionality coverage with automated tests, ensuring high quality and reliabilityTechnologies: PostgreSQL, Ruby, Git, Cucumber, Ruby on Rails, Capybara, RSpec