K

Kareem Maize

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California, United States

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Résumé

Jobs verified_user 0% verified
  • N
    Senior Software Engineer
    NGI
    Mar 2020 - Oct 2025 (5 years 8 months)
    Client: Target CorporationProject: Target Unified Commerce Modernization PlatformLed the modernization of Target's nationwide eCommerce ecosystem, replacing legacy ATG monoliths with a cloud-native, event-driven, and AI-powered commerce platform designed for omnichannel retail, real-time insights, and personalized shopping experiences.Directed the migration from monolithic architecture to domain-driven microservices using Java 21, Spring Boot 3, Spring Cloud Gateway, and Kotlin, structured around CQRS, DDD, and hexagonal architecture principles.Established Target Application Platform (TAP) a Kubernetes (EKS)-based internal framework standardizing observability, security, configuration, and deployment automation across 200+ microservices.Imp
  • Accenture
    Senior Developer
    Accenture
    Sep 2017 - Feb 2020 (2 years 6 months)
    Developed and maintained enterprise healthcare web applications supporting claims processing, eligibility verification, and member enrollment for over 5 million plan participants.Built and enhanced RESTful APIs using Java 8, Spring MVC, and Spring Boot 1.x, integrating with legacy SOAP / HL7 endpoints for payer-provider data exchange.Implemented UI flows for provider search, benefit summary, and pre-authorization dashboards using Angular 6, TypeScript, and Bootstrap, reducing support tickets by 30%.Integrated FHIR-compliant APIs for interoperability between internal systems and external partners following CMS guidelines.Refactored claims adjudication modules to support new ICD-10 coding standards and regulatory updates.Migrated selected wor
  • Elastic
    Software Engineer
    Elastic
    Sep 2013 - Aug 2017 (4 years)
    Enhanced the core Elasticsearch engine and plugin framework, improved support for custom tokenizers, analyzers, and custom similarity scoring pipelines using Apache Lucene in Java 7/8.Contributed to ingest optimization for Logstash and Beats, focusing on improving ingest throughput and reliability while processing large volumes of data. Defined custom input and output filters in Ruby, instrumented with memory profiling.Designed and defined scalable index templates and time-based rollover policies for high-volume log data; built reusable index lifecycle scripts enabling multi-tenant usage patterns and shard allocation strategies.Built internal dashboards using AngularJS, D3.js, and Handlebars to visualize cluster state, shard movements, and
  • New Relic
    Software Developer
    New Relic
    Jun 2012 - Aug 2013 (1 year 3 months)
    Contributed core features to the Java APM agent, implementing bytecode-level instrumentation for Tomcat, Jetty, Spring, Play Framework, and Hibernate to capture transaction traces and performance metrics.Developed instrumentation logic using the Java Instrumentation API, ASM 3.x, and AspectJ weaving to monitor method timing, exceptions, JDBC calls, and external service requests with minimal runtime overhead.Optimized internal data serialization using Protocol Buffers and compact binary payloads, reducing agent-to-collector network usage by ~40%.Ensured backward compatibility with Java 6/7 and legacy servlet containers through fallback bytecode strategies and dynamic agent configuration.Built and maintained backend telemetry services in Scal
  • Coupa Software
    Software Developer
    Coupa Software
    Sep 2010 - May 2012 (1 year 9 months)
    Developed reusable business modules using Ruby on Rails 3 and Groovy/Grails, covering requisition creation, purchase orders, budget validation, and multi-level approval workflows.Designed multi-tenant database schemas in PostgreSQL 9 and Oracle 11g, implementing tenant isolation, configurable lookup tables, and metadata-driven form routing.Built interactive UIs using jQuery, AJAX, Haml/ERB templates, and Bootstrap 2, improving responsiveness and user adoption among finance and procurement teams.Implemented budget-validation logic through PL/SQL procedures and ActiveRecord callbacks, performing GL code lookups, policy checks, and cap-limit enforcement.Integrated Coupa's API layer with third-party ERP systems (Oracle E-Business Suite, SAP) vi
Education verified_user 0% verified
  • University of Pittsburgh
    Bachelor's degree, Computer Science
    University of Pittsburgh
    Aug 2006 - May 2010 (3 years 10 months)